{"id":23353,"date":"2025-12-11T19:08:14","date_gmt":"2025-12-12T03:08:14","guid":{"rendered":"https:\/\/shengenfab.com\/?p=23353"},"modified":"2025-12-11T19:21:46","modified_gmt":"2025-12-12T03:21:46","slug":"ppap-fai-and-cpk","status":"publish","type":"post","link":"https:\/\/shengenfab.com\/en_gb\/ppap-fai-and-cpk\/","title":{"rendered":"PPAP, FAI, and CPK \u2014 Quality Control Terms Engineers Should Know"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"23353\" class=\"elementor elementor-23353\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-17090e84 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"17090e84\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2fb76be5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2fb76be5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6df9ac23 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6df9ac23\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6f6be51b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6f6be51b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-51c34f5b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"51c34f5b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3fce3663 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3fce3663\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3e6a8e31 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3e6a8e31\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-5b6d6af7\" data-id=\"5b6d6af7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e5102a1 elementor-widget elementor-widget-text-editor\" data-id=\"e5102a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Have you ever launched a new metal part that met the drawing perfectly, only to find the assembly wouldn\u2019t fit later? Or received parts that were \u201cwithin tolerance,\u201d yet performance in the field failed?<\/p><p>That gap between design intent and production reality is what PPAP, FAI, and CPK are designed to close.<\/p><p>These three tools form the backbone of modern manufacturing quality control. They ensure that every process step \u2014 from the prototype to stable mass production \u2014 is measurable, traceable, and repeatable. Let\u2019s explore how they fit together in real manufacturing environments.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-decd959 elementor-widget elementor-widget-image\" data-id=\"decd959\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"640\" height=\"400\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/12\/PPAP-FAI-and-CPK.jpg\" class=\"attachment-large size-large wp-image-23364\" alt=\"PPAP, FAI, and CPK\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/12\/PPAP-FAI-and-CPK.jpg 640w, https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/12\/PPAP-FAI-and-CPK-300x188.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/12\/PPAP-FAI-and-CPK-18x12.jpg 18w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53cf7c6 elementor-widget elementor-widget-text-editor\" data-id=\"53cf7c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p><h2 class=\"wp-block-heading\">What PPAP Means and Why It Exists\uff1f<\/h2><p> <\/p><p>The Production Part Approval Process (PPAP) is a standardized method for demonstrating that a supplier\u2019s production process can consistently manufacture parts that meet all customer requirements. Originally developed in the automotive industry, PPAP is now widely used in aerospace, electronics, and precision sheet-metal fabrication \u2014 anywhere reliability, safety, and traceability matter.<\/p><p> <\/p><p>Rather than reacting to defects after mass production begins, PPAP prevents them by confirming process readiness in advance. It provides a clear, documented link between design specifications, manufacturing steps, and inspection methods.<\/p><p> <\/p><p>Research on automotive supply chains shows that over 70% of early quality issues stem from poor process documentation. A properly executed PPAP can reduce these issues by nearly half.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Core Elements of a PPAP Submission<\/h3><p> <\/p><p>A complete PPAP package typically includes 18 standard elements, though the depth varies by customer and product risk level.<\/p><p> <\/p><p>Key items include:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Design Records<\/strong> \u2013 Controlled drawings or CAD files that define the approved part revision.<\/li> <li><strong>Process Flow Diagram<\/strong> \u2013 Visual sequence from raw material to final packaging.<\/li> <li><strong>Control Plan<\/strong> \u2013 Identification of key process parameters and monitoring methods.<\/li> <li><strong>Dimensional Results<\/strong> \u2013 Measured data showing that sample parts meet tolerances.<\/li> <li><strong>Material &amp; Performance Test Reports<\/strong> \u2013 Verification of material properties and coatings.<\/li> <li><strong>Process Capability (Cp, Cpk)<\/strong> \u2013 Early statistical proof of process stability.<\/li> <li><strong>Part Submission Warrant (PSW)<\/strong> \u2013 Supplier\u2019s formal declaration of conformance.<\/li><\/ul><p> <\/p><p>Depending on the risk level, customers may require submissions at Levels 1\u20135. For example, Level 3 PPAP is common in precision sheet-metal work \u2014 including detailed inspection reports, control plans, and CPK data for critical features such as \u00b10.1 mm bending accuracy.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Why PPAP Matters to Engineers\uff1f<\/h3><p> <\/p><p>PPAP is often misunderstood as a compliance checklist. In reality, it\u2019s an engineering alignment tool that ensures design intent is translated into repeatable manufacturing reality.<\/p><p> <\/p><p>For design engineers, it guarantees the supplier understands functional tolerances and material requirements. For production teams, it defines the baseline for setups, tooling, and inspection frequency. For quality engineers, it provides auditable evidence for ISO 9001 or IATF 16949 systems.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Common Pitfalls and How to Avoid Them<\/h3><p> <\/p><p>Many PPAP submissions fail not because of poor manufacturing, but because of weak communication and incomplete data. Typical mistakes include:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Mismatched revisions<\/strong> between CAD files, drawings, and inspection reports.<\/li> <li><strong>Unverified measurement systems<\/strong> lead to inconsistent results across inspectors.<\/li> <li><strong>Missing or weak capability studies<\/strong> that can\u2019t statistically prove stability.<\/li> <li><strong>Siloed engineering and quality teams<\/strong> that prepare documents separately.<\/li><\/ul><p> <\/p><p>To avoid these issues:<\/p><p> <\/p><ol class=\"wp-block-list\"><li>Align drawings, process flow, and control plans under one revision before sampling.<\/li> <li>Perform a Measurement System Analysis (MSA) early to verify gauge consistency.<\/li> <li>Involve quality engineers during the DFM review, not after tooling is built.<\/li><\/ol><p> <\/p><p>Case data show that an early cross-functional review can reduce PPAP cycle time by 30% and cut resubmission rates in half.<\/p><p> <\/p><h2 class=\"wp-block-heading\">FAI \u2014 First Article Inspection and Its Role in Process Verification<\/h2><p> <\/p><p>If PPAP verifies the process plan on paper, <a href=\"https:\/\/shengenfab.com\/en_gb\/first-article-inspection\/\" target=\"_blank\" rel=\"noreferrer noopener\">First Article Inspection (FAI)<\/a> proves it in the real world. FAI is the first physical confirmation that the manufacturing process can produce a part that truly matches the drawing \u2014 not just in theory, but in measurable detail.<\/p><p> <\/p><p>During FAI, the first completed part (or assembly) is inspected for dimensions, material, surface finish, and function to ensure everything aligns with the design intent. It acts as a \u201cfirst checkpoint\u201d between prototype and full production.<\/p><p> <\/p><p>According to industry case studies, performing a thorough FAI before mass production can reduce late-stage nonconformities by up to 60%, saving thousands in rework and line stoppage costs.<\/p><p> <\/p><h3 class=\"wp-block-heading\">When is FAI required\uff1f<\/h3><p> <\/p><p>FAI is not a one-time task \u2014 it must be performed whenever a process or design change could affect fit, form, or function. Typical triggers include:<\/p><p> <\/p><ul class=\"wp-block-list\"><li>Launch of a new product or part revision.<\/li> <li>Tooling or equipment changes, such as a new die or fixture.<\/li> <li>A switch in material supplier or grade.<\/li> <li>Process relocation or extended downtime (often \u226512 months).<\/li><\/ul><p> <\/p><p>Each of these changes can shift process capability. FAI ensures that every restart begins from a verified baseline rather than an assumption.<\/p><p> <\/p><h3 class=\"wp-block-heading\">FAI vs. PPAP \u2014 Different Goals, Same Foundation<\/h3><p> <\/p><p>Though often used together, FAI and PPAP serve different purposes in the quality control framework.<\/p><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68b82a2 uael-header-sticky-no uael-border-yes elementor-widget elementor-widget-uael-table\" data-id=\"68b82a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"uael-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div itemscope class=\"uael-table-wrapper\" itemtype=\"http:\/\/schema.org\/Table\">\n\t\t\t<table id=\"uael-table-id-68b82a2\" class=\"uael-text-break uael-column-rules uael-table\" data-sort-table=\"no\" data-show-entry=\"no\" data-searchable=\"no\" data-responsive=\"no\">\n\t\t\t<thead>\n\t\t\t\t\t\t\t\t\t<tr class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"0\" class=\"sort-this elementor-repeater-item-0 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Category<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"1\" class=\"sort-this elementor-repeater-item-1 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">FAI<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"2\" class=\"sort-this elementor-repeater-item-2 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">PPAP<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/thead>\n\t\t\t<tbody>\n\t\t\t\t<!-- ROWS -->\n\t\t\t\t\t\t\t\t<tr data-entry=\"1\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffCategory\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Goal<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"FAI\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Verify the first manufactured part against design specs<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"PPAP\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Validate that the process can repeatedly produce conforming parts<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"2\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffCategory\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Timing<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"FAI\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Before or during pilot run<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"PPAP\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Before full production approval<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"3\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffCategory\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Focus<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"FAI\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Physical part verification<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"PPAP\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Process documentation and statistical proof<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"4\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffCategory\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Output<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"FAI\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Dimensional and material inspection report<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"PPAP\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Comprehensive approval package<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/tbody>\n\t\t<\/table>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb15941 elementor-widget elementor-widget-text-editor\" data-id=\"eb15941\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p><p>Think of FAI as the physical proof supporting the documented confidence that PPAP provides. A typical workflow in precision sheet metal production looks like this:<\/p><p> <\/p><p><strong>Prototype \u2192 FAI \u2192 PPAP \u2192 Production \u2192 CPK Monitoring<\/strong><\/p><p> <\/p><h3 class=\"wp-block-heading\">How to Conduct a Successful FAI\uff1f<\/h3><p> <\/p><p>FAI requires more than checking random dimensions \u2014 it follows a structured process that ties every measurement to the drawing.<\/p><p> <\/p><ol class=\"wp-block-list\"><li><strong>Preparation<\/strong>\uff1a Review the latest drawing revision, process flow, and control plan. Identify all critical dimensions and tolerances.<\/li> <li><strong>Dimensional Verification<\/strong>\uff1a Measure every feature on the drawing using calibrated instruments \u2014 from hole diameters to bend radii and flatness. Results are recorded in an FAI report that references each drawing balloon number.<\/li> <li><strong>Material &amp; Finish Verification<\/strong>\uff1a Confirm that the material certificates, <a href=\"https:\/\/shengenfab.com\/en_gb\/surface-finish-techniques-and-applications\/\" target=\"_blank\" rel=\"noreferrer noopener\">coatings, and treatments<\/a> (such as powder coating or anodizing) meet specifications.<\/li> <li><strong>Documentation &amp; Sign-off<\/strong>\uff1a Attach inspection results, certificates, and photos. Both quality and engineering teams must sign the report to ensure cross-functional review.<\/li><\/ol><p> <\/p><h3 class=\"wp-block-heading\">Typical Issues and Lessons Learned<\/h3><p> <\/p><p>Even experienced manufacturers encounter challenges during FAI. Some common mistakes include:<\/p><p> <\/p><ul class=\"wp-block-list\"><li>Measuring only a few key features instead of the complete drawing.<\/li> <li>Using outdated revision drawings.<\/li> <li>Skipping material verification after supplier changes.<\/li> <li>Treating FAI as a one-person task instead of a cross-department review.<\/li><\/ul><p> <\/p><p>The most effective approach is to view FAI as a design feedback tool rather than just a compliance step. When engineers and quality teams review FAI results together, they often uncover opportunities to simplify part geometry, tighten tolerances where necessary, or improve fixture design.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Why FAI Matters to Engineers\uff1f<\/h3><p> <\/p><p>FAI protects both design intent and production consistency.<\/p><p> <\/p><p>It provides engineers with data to:<\/p><p> <\/p><ul class=\"wp-block-list\"><li>Validate that their design can be manufactured as specified.<\/li> <li>Confirm that tooling and setup are performing correctly.<\/li> <li>Detect small deviations before they become costly trends.<\/li><\/ul><p> <\/p><p>In <a href=\"https:\/\/shengenfab.com\/en_gb\/precision-sheet-metal-fabrication\/\" target=\"_blank\" rel=\"noreferrer noopener\">precision sheet metal fabrication<\/a>, for example, FAI helps confirm critical dimensions such as hole spacing, enclosure alignment, or mounting flatness \u2014 all of which affect assembly performance and end-user reliability.<\/p><p> <\/p><h2 class=\"wp-block-heading\">CPK \u2014 Quantifying Process Stability and Capability<\/h2><p> <\/p><p>Once the process has passed FAI and PPAP approval, the next question engineers face is:<\/p><p> <\/p><p><em>Can we maintain the same level of accuracy across every batch?<\/em><\/p><p> <\/p><p>That\u2019s where CPK (Process Capability Index) comes in. CPK is a statistical measure that describes how well a process can produce parts within its design limits \u2014 not just once, but consistently over time. It provides a real-time picture of process stability, variation, and centering \u2014 the three pillars of continuous quality control.<\/p><p> <\/p><p>Studies show that improving CPK from 1.0 to 1.33 can reduce scrap rates by nearly 70%, thereby improving both yield and delivery reliability.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Understanding Cp and Cpk<\/h3><p> <\/p><p>Two capability indices are commonly used:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Cp (Process Potential)<\/strong> \u2013 Indicates the theoretical capability if the process were perfectly centered.<\/li> <li><strong>Cpk (Process Performance)<\/strong> \u2013 Reflects actual capability, accounting for process drift and mean shifts.<\/li><\/ul><p> <\/p><p>A high Cp but low Cpk indicates the process has potential but isn\u2019t properly centered \u2014 a common issue caused by machine bias, setup misalignment, or thermal expansion.<\/p><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c12d51 uael-header-sticky-no uael-border-yes elementor-widget elementor-widget-uael-table\" data-id=\"9c12d51\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"uael-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div itemscope class=\"uael-table-wrapper\" itemtype=\"http:\/\/schema.org\/Table\">\n\t\t\t<table id=\"uael-table-id-9c12d51\" class=\"uael-text-break uael-column-rules uael-table\" data-sort-table=\"no\" data-show-entry=\"no\" data-searchable=\"no\" data-responsive=\"no\">\n\t\t\t<thead>\n\t\t\t\t\t\t\t\t\t<tr class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"0\" class=\"sort-this elementor-repeater-item-0 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Indicator<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"1\" class=\"sort-this elementor-repeater-item-1 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Formula<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"2\" class=\"sort-this elementor-repeater-item-2 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Meaning<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/thead>\n\t\t\t<tbody>\n\t\t\t\t<!-- ROWS -->\n\t\t\t\t\t\t\t\t<tr data-entry=\"1\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffIndicator\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Cp<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Formula\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">(USL \u2013 LSL) \/ (6\u03c3)<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Meaning\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Compares tolerance width to total variation.<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"2\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffIndicator\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Cpk<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Formula\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">min[(USL \u2013 X\u0304) \/ (3\u03c3), (X\u0304 \u2013 LSL) \/ (3\u03c3)]<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Meaning\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Measures actual process centering and stability.<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/tbody>\n\t\t<\/table>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2dc5574 elementor-widget elementor-widget-text-editor\" data-id=\"2dc5574\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p><p>Where:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>USL \/ LSL<\/strong> = Upper \/ Lower Specification Limit<\/li> <li><strong>X\u0304<\/strong> = Process Mean<\/li> <li><strong>\u03c3<\/strong> = Standard Deviation<\/li><\/ul><p> <\/p><p><strong>Interpretation Guide:<\/strong><\/p><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12b18f7 uael-header-sticky-no uael-border-yes elementor-widget elementor-widget-uael-table\" data-id=\"12b18f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"uael-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div itemscope class=\"uael-table-wrapper\" itemtype=\"http:\/\/schema.org\/Table\">\n\t\t\t<table id=\"uael-table-id-12b18f7\" class=\"uael-text-break uael-column-rules uael-table\" data-sort-table=\"no\" data-show-entry=\"no\" data-searchable=\"no\" data-responsive=\"no\">\n\t\t\t<thead>\n\t\t\t\t\t\t\t\t\t<tr class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"0\" class=\"sort-this elementor-repeater-item-0 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Cpk Value<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"1\" class=\"sort-this elementor-repeater-item-1 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Process Evaluation<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"2\" class=\"sort-this elementor-repeater-item-2 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Approx. Defects per Million (DPMO)<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/thead>\n\t\t\t<tbody>\n\t\t\t\t<!-- ROWS -->\n\t\t\t\t\t\t\t\t<tr data-entry=\"1\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffCpk Value\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">&lt; 1.00<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Process Evaluation\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Not capable<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Approx. Defects per Million (DPMO)\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">&gt;66,800<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"2\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffCpk Value\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">1.00 \u2013 1.33<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Process Evaluation\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Marginal<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Approx. Defects per Million (DPMO)\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">63 \u2013 2,700<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"3\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffCpk Value\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">\u2265 1.33<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Process Evaluation\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Capable<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Approx. Defects per Million (DPMO)\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">&lt;64<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"4\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffCpk Value\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">\u2265 1.67<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Process Evaluation\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">High capability<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Approx. Defects per Million (DPMO)\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">&lt;0.6<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"5\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffCpk Value\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">\u2265 2.00<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Process Evaluation\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">World-class<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Approx. Defects per Million (DPMO)\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">&lt;0.002<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/tbody>\n\t\t<\/table>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26754d6 elementor-widget elementor-widget-text-editor\" data-id=\"26754d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p><p>Example: If a <a href=\"https:\/\/shengenfab.com\/en_gb\/laser-cutting-a-comprehensive-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">laser-cut<\/a> slot has a tolerance of \u00b10.10 mm, a mean deviation of 0.02 mm, and a \u03c3 of 0.02 mm, the resulting Cpk \u2248 is 1.33 \u2014 a capable process ready for production.<\/p><p> <\/p><h3 class=\"wp-block-heading\">How to Improve CPK\uff1f<\/h3><p> <\/p><p>A low CPK is not just a statistic \u2014 it\u2019s an early warning. It signals instability caused by uncontrolled variation. Improving it involves combining technical correction with disciplined process control.<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Center the Process<\/strong>\uff1a Adjust offsets, press depths, or tool paths to align the mean closer to the nominal value.<\/li> <li><strong>Reduce Variation Sources<\/strong>\uff1a Inspect tooling wear, clamp rigidity, or operator technique.<\/li> <li>For example, inconsistent press bending angles often stem from die wear or inconsistent back-gauge pressure.<\/li> <li><strong>Tighten Measurement Systems<\/strong>\uff1a Recalibrate gauges and ensure identical measurement methods across operators.<\/li> <li>In some plants, gage R&amp;R variation alone can distort CPK readings by up to 0.2 points.<\/li> <li><strong>Standardize Setup and Maintenance<\/strong>\uff1a Establish setup sheets and preventive maintenance routines to minimize machine drift.<\/li> <li><strong>Review Design Tolerances with Engineering<\/strong>: If natural process variation exceeds the design tolerance, collaborate with designers to balance manufacturability and functionality.<\/li><\/ul><p> <\/p><p>Data from production audits show that a 25% reduction in variation can increase CPK by nearly 40%, leading to lower rework and higher first-pass yield.<\/p><p> <\/p><h3 class=\"wp-block-heading\">CPK in Real Manufacturing Scenarios<\/h3><p> <\/p><p>In <strong>sheet metal fabrication<\/strong>, CPK monitoring applies to both dimensional and surface-critical features:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Bend Angle Repeatability<\/strong> \u2013 Press brake forming with \u00b11\u00b0 tolerance, tracked by CPK to verify tool wear.<\/li> <li><strong>Hole Position Accuracy<\/strong> \u2013 CNC punching or laser cutting monitored for \u00b10.05 mm consistency.<\/li> <li><strong>Weld Bead Width or Spot Diameter<\/strong> \u2013 Ensures uniform penetration and strength.<\/li> <li><strong>Surface Thickness in Coating or Plating<\/strong> \u2013 Verifies layer consistency in powder coating or zinc plating.<\/li><\/ul><p> <\/p><p>Each dataset becomes part of an ongoing Statistical Process Control (SPC) program, where trends are analyzed before defects occur. Modern manufacturing systems can automatically calculate and plot CPK in real time, allowing engineers to react before nonconforming parts leave the line.<\/p><p> <\/p><h3 class=\"wp-block-heading\">How Engineers Use CPK Data\uff1f<\/h3><p> <\/p><p>For engineers and quality teams, CPK isn\u2019t just a report \u2014 it\u2019s a decision-making tool. It helps answer critical production questions:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>When should tooling be serviced or replaced?<\/strong><\/li> <li><strong>Is the process trending toward instability?<\/strong><\/li> <li><strong>Can the process be transferred to another facility without revalidation?<\/strong><\/li><\/ul><p> <\/p><p>Regular CPK tracking allows you to detect subtle shifts that inspections alone can\u2019t catch. Combined with PPAP and FAI data, it turns your production floor into a predictive quality system, where potential issues are corrected before they affect delivery.<\/p><p> <\/p><h2 class=\"wp-block-heading\">How PPAP, FAI, and CPK Work Together in a Complete Quality System\uff1f<\/h2><p> <\/p><p>FAI, PPAP, and CPK are not separate checkboxes\u2014they are stages of a continuous quality control loop. Each ensures that design, process, and production align with measurable precision.<\/p><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db27f9c uael-header-sticky-no uael-border-yes elementor-widget elementor-widget-uael-table\" data-id=\"db27f9c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"uael-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div itemscope class=\"uael-table-wrapper\" itemtype=\"http:\/\/schema.org\/Table\">\n\t\t\t<table id=\"uael-table-id-db27f9c\" class=\"uael-text-break uael-column-rules uael-table\" data-sort-table=\"no\" data-show-entry=\"no\" data-searchable=\"no\" data-responsive=\"no\">\n\t\t\t<thead>\n\t\t\t\t\t\t\t\t\t<tr class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"0\" class=\"sort-this elementor-repeater-item-0 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Stage<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"1\" class=\"sort-this elementor-repeater-item-1 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Objective<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"2\" class=\"sort-this elementor-repeater-item-2 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Primary Tool<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th data-sort=\"3\" class=\"sort-this elementor-repeater-item-3 uael-table-col uael-table-head-cell-text\" scope=\"col\">\n\t\t\t\t\t\t\t\t<span class=\"sort-style\">\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Key Output<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/thead>\n\t\t\t<tbody>\n\t\t\t\t<!-- ROWS -->\n\t\t\t\t\t\t\t\t<tr data-entry=\"1\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffStage\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Prototype \/ Design Phase<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Objective\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Verify that the part meets design intent<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Primary Tool\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">FAI<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-3\" data-title=\"Key Output\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Dimensional and material inspection report<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"2\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffStage\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Process Validation<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Objective\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Confirm that the process can consistently produce conforming parts<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Primary Tool\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">PPAP<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-3 uael-table-col uael-table-body-cell-text elementor-repeater-item-3\" data-title=\"Key Output\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Approved submission package and control plan<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t\t<tr data-entry=\"3\" class=\"uael-table-row\">\n\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0 uael-table-col uael-table-body-cell-text elementor-repeater-item-0\" data-title=\"\ufeffStage\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Ongoing Production<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1 uael-table-col uael-table-body-cell-text elementor-repeater-item-1\" data-title=\"Objective\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Maintain process stability and detect drift early<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2 uael-table-col uael-table-body-cell-text elementor-repeater-item-2\" data-title=\"Primary Tool\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">CPK<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t<td class=\"uael-table-col uael-table-body-cell-text elementor-repeater-item-3 uael-table-col uael-table-body-cell-text elementor-repeater-item-3 uael-table-col uael-table-body-cell-text elementor-repeater-item-3\" data-title=\"Key Output\">\n\t\t\t\t\t\t\t<span class=\"uael-table__text\">\n\n\t\t\t\t\t\t\t\t<span class=\"uael-table__text-inner\">Statistical data and SPC trend charts<\/span>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t\t\t\t\t\t<\/tbody>\n\t\t<\/table>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a44ecfb elementor-widget elementor-widget-text-editor\" data-id=\"a44ecfb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><\/p><p>Together, these stages transform quality control from a reactive system into a predictive and data-driven framework. FAI validates the part, PPAP validates the process, and CPK validates the long-term consistency.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Creating a Continuous Feedback Loop<\/h3><p> <\/p><p>The real strength of these tools comes from their integration. Each stage feeds valuable data back into the next:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>FAI Results \u2192 PPAP Refinement<\/strong>: Measurement data from the first article helps engineers update control plans and set capability targets.<\/li> <li><strong>PPAP Data \u2192 CPK Monitoring<\/strong>: Once production begins, statistical analysis tracks real-time stability and confirms PPAP assumptions.<\/li> <li><strong>CPK Trends \u2192 FAI Rechecks<\/strong>: If process drift or tool wear is detected, a partial FAI verifies that the part still meets specification.<\/li><\/ul><p> <\/p><p>This feedback loop ensures that no deviation goes unnoticed \u2014 every variation triggers a review, correction, and revalidation cycle.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Best Practices for Engineers and Quality Teams<\/h2><p> <\/p><p>A strong quality framework depends on discipline, data, and teamwork. Here are actionable best practices that leading manufacturers follow:<\/p><p> <\/p><ol class=\"wp-block-list\"><li><strong>Integrate Quality at Design Stage<\/strong>: Define critical dimensions and tolerance stack-ups early. Build inspection points into CAD and process routing.<\/li> <li><strong>Document with Consistency<\/strong>: Keep all drawings, flow diagrams, and control plans under a synchronized revision control system.<\/li> <li><strong>Use Data for Decisions<\/strong>: Base tooling or tolerance changes on measured variation and CPK trends, not assumptions.<\/li> <li><strong>Align With Customers<\/strong>: Clarify the required PPAP level, FAI frequency, and acceptable CPK limits before production begins.<\/li> <li><strong>Adopt Digital Quality Tools<\/strong>: Use 3D scanning, automated CMM reports, and SPC dashboards to reduce manual entry errors.<\/li> <li><strong>Maintain Feedback Loops<\/strong>: Treat every inspection, audit, or capability study as a way to refine both product and process.<\/li><\/ol><p> <\/p><h2 class=\"wp-block-heading\">Conclusion<\/h2><p> <\/p><p>Quality engineering is not about catching defects \u2014 it\u2019s about building confidence in every stage of production. Together, they form a closed quality loop that transforms production from \u201cgood enough\u201d to predictable, traceable, and world-class.<\/p><p> <\/p><p>If you are preparing for a PPAP submission or need help with FAI and CPK work, our team at Shengen can support you at every step. We provide full sheet-metal quality documentation and capability checks. Our support covers prototype testing and continues through final production.<\/p><p> <\/p><p>You can contact us to talk about your project. <a href=\"https:\/\/shengenfab.com\/en_gb\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">You can also upload your CAD files<\/a> for a free DFM check and capability review.<\/p><p> <\/p><h2 class=\"wp-block-heading\">FAQs<\/h2><p> <\/p><h3 class=\"wp-block-heading\">What\u2019s the difference between PPAP and FAI?<\/h3><p> <\/p><p>FAI validates the first article against design specs. PPAP validates the process that will repeatedly produce it.<\/p><p> <\/p><h3 class=\"wp-block-heading\">When should CPK monitoring begin?<\/h3><p> <\/p><p>Start once full production is underway, after PPAP approval. Continue reviewing monthly or per batch.<\/p><p> <\/p><h3 class=\"wp-block-heading\">How often should FAI be repeated?<\/h3><p> <\/p><p>Whenever there\u2019s a design, material, or tooling change that could affect form, fit, or function.<\/p><p> <\/p><h3 class=\"wp-block-heading\">How can digital tools improve these processes?<\/h3><p> <\/p><p>They reduce reporting time, enable real-time CPK visualization, and improve audit data traceability.<\/p><p><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-733f6179\" data-id=\"733f6179\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-84ccc87 elementor-widget elementor-widget-heading\" data-id=\"84ccc87\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Hey, I'm Kevin Lee<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13d3fb23 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"13d3fb23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"640\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee.webp\" class=\"attachment-large size-large wp-image-6422\" alt=\"Kevin Lee\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee.webp 1024w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee-300x240.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee-768x614.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a46e5e3 elementor-widget elementor-widget-text-editor\" data-id=\"6a46e5e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0<\/p><p>For the past 10 years, I&#8217;ve been immersed in various forms of sheet metal fabrication, sharing cool insights here from my experiences across diverse workshops.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42f39bc9 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"42f39bc9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/shengenfab.com\/en_gb\/about-author\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">ABOUT ME<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1fafb88c elementor-widget elementor-widget-heading\" data-id=\"1fafb88c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"> Get in touch<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8b6be7 elementor-button-align-stretch elementor-widget elementor-widget-global elementor-global-893 elementor-widget-form\" data-id=\"a8b6be7\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;\\u4e0b\\u4e00\\u4e2a&quot;,&quot;step_previous_label&quot;:&quot;\\u4e0a\\u4e00\\u4e2a&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_offset&quot;:76,&quot;sticky_effects_offset&quot;:75,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_anchor_link_offset&quot;:0}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"\u65b0\u8868\u5355\" aria-label=\"\u65b0\u8868\u5355\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"23353\"\/>\n\t\t\t<input 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Quote<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"en_gb\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-651d2206 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"651d2206\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4282c784 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4282c784\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-267c314a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"267c314a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-44c4e83d custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"44c4e83d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-64f68fea\" data-id=\"64f68fea\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6cf341b3\" data-id=\"6cf341b3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5632675f custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5632675f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-3dbae9d8\" data-id=\"3dbae9d8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-52ace18d elementor-widget elementor-widget-image\" data-id=\"52ace18d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"640\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee.webp\" class=\"attachment-large size-large wp-image-6422\" alt=\"Kevin Lee\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee.webp 1024w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee-300x240.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2023\/12\/Kevin-Lee-768x614.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6cdcdecd\" data-id=\"6cdcdecd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-24299bf6 elementor-widget elementor-widget-heading\" data-id=\"24299bf6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Kevin Lee<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-61819b17 elementor-widget elementor-widget-text-editor\" data-id=\"61819b17\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>I have over ten years of professional experience in sheet metal fabrication, specializing in laser cutting, bending, welding, and surface treatment techniques. As the Technical Director at Shengen, I am committed to solving complex manufacturing challenges and driving innovation and quality in each project.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-22cab44d\" data-id=\"22cab44d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3928fdc9 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3928fdc9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b632ac4\" data-id=\"b632ac4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7473ac2c elementor-widget elementor-widget-heading\" data-id=\"7473ac2c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Related Resource<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32443b6b uael-post__link-complete-yes uael-equal__height-yes elementor-widget elementor-widget-uael-posts\" data-id=\"32443b6b\" data-element_type=\"widget\" data-e-type=\"widget\" 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href=\"https:\/\/shengenfab.com\/en_gb\/fillet-machining\/\" target=\"_self\" class=\"uael-post__complete-box-overlay\" aria-label=\"Link Complete Box\"><\/a>\n\t\t\t\t\n\t\t<div class=\"uael-post__inner-wrap uael-inner-wrap-disabled\">\n\n\t\t\t\t<div class=\"uael-post__thumbnail\">\n\t\t\t\n\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/fillet-machining\/\" target=\"_blank\" title=\"Fillet Machining: What Drives Cost and Part Quality\"><img decoding=\"async\" width=\"750\" height=\"419\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/04\/Why-Tight-Internal-Fillets-Get-Expensive.jpg\" class=\"attachment-full size-full wp-image-24569\" alt=\"Why Tight Internal Fillets Get Expensive\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/04\/Why-Tight-Internal-Fillets-Get-Expensive.jpg 750w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/04\/Why-Tight-Internal-Fillets-Get-Expensive-300x168.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/04\/Why-Tight-Internal-Fillets-Get-Expensive-18x10.jpg 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a>\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\n\t\t\t<div class=\"uael-post__content-wrap uael-content-wrap-disabled\">\n\t\t\t\t\t<h3 class=\"uael-post__title\">\n\n\t\t\n\t\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/fillet-machining\/\" target=\"_blank\">\n\t\t\t\tFillet Machining: What Drives Cost and Part Quality\t\t\t<\/a>\n\n\t\t\t\t<\/h3>\n\t\t\t\t\t<div class=\"uael-post__meta-data\">\n\t\t\t\t\t<span class=\"uael-post__date\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\n\t\t\t13 April 2026\t\t<\/span>\n\t\t\t\t<span class=\"uael-post__comments\">\n\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-comments\" viewbox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 192c0-88.4-93.1-160-208-160S0 103.6 0 192c0 34.3 14.1 65.9 38 92-13.4 30.2-35.5 54.2-35.8 54.5-2.2 2.3-2.8 5.7-1.5 8.7S4.8 352 8 352c36.6 0 66.9-12.3 88.7-25 32.2 15.7 70.3 25 111.3 25 114.9 0 208-71.6 208-160zm122 220c23.9-26 38-57.7 38-92 0-66.9-53.5-124.2-129.3-148.1.9 6.6 1.3 13.3 1.3 20.1 0 105.9-107.7 192-240 192-10.8 0-21.3-.8-31.7-1.9C207.8 439.6 281.8 480 368 480c41 0 79.1-9.2 111.3-25 21.8 12.7 52.1 25 88.7 25 3.2 0 6.1-1.9 7.3-4.8 1.3-2.9.7-6.3-1.5-8.7-.3-.3-22.4-24.2-35.8-54.5z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\tNo Comments\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<a class=\"uael-post__read-more 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class=\"uael-post__thumbnail\">\n\t\t\t\n\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/fingerprint-resistant-stainless-steel\/\" target=\"_blank\" title=\"Fingerprint Resistant Stainless Steel: How It Works,and How to Choose\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"409\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/Why-Surface-Appearance-Changes-Product-Perception-1.jpg\" class=\"attachment-full size-full wp-image-24454\" alt=\"Why Surface Appearance Changes Product Perception\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/Why-Surface-Appearance-Changes-Product-Perception-1.jpg 750w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/Why-Surface-Appearance-Changes-Product-Perception-1-300x164.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/Why-Surface-Appearance-Changes-Product-Perception-1-18x10.jpg 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a>\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\n\t\t\t<div class=\"uael-post__content-wrap uael-content-wrap-disabled\">\n\t\t\t\t\t<h3 class=\"uael-post__title\">\n\n\t\t\n\t\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/fingerprint-resistant-stainless-steel\/\" target=\"_blank\">\n\t\t\t\tFingerprint Resistant Stainless Steel: How It Works,and How to Choose\t\t\t<\/a>\n\n\t\t\t\t<\/h3>\n\t\t\t\t\t<div class=\"uael-post__meta-data\">\n\t\t\t\t\t<span class=\"uael-post__date\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\n\t\t\t12 March 2026\t\t<\/span>\n\t\t\t\t<span class=\"uael-post__comments\">\n\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-comments\" viewbox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 192c0-88.4-93.1-160-208-160S0 103.6 0 192c0 34.3 14.1 65.9 38 92-13.4 30.2-35.5 54.2-35.8 54.5-2.2 2.3-2.8 5.7-1.5 8.7S4.8 352 8 352c36.6 0 66.9-12.3 88.7-25 32.2 15.7 70.3 25 111.3 25 114.9 0 208-71.6 208-160zm122 220c23.9-26 38-57.7 38-92 0-66.9-53.5-124.2-129.3-148.1.9 6.6 1.3 13.3 1.3 20.1 0 105.9-107.7 192-240 192-10.8 0-21.3-.8-31.7-1.9C207.8 439.6 281.8 480 368 480c41 0 79.1-9.2 111.3-25 21.8 12.7 52.1 25 88.7 25 3.2 0 6.1-1.9 7.3-4.8 1.3-2.9.7-6.3-1.5-8.7-.3-.3-22.4-24.2-35.8-54.5z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\tNo Comments\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<a class=\"uael-post__read-more elementor-button\" 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href=\"https:\/\/shengenfab.com\/en_gb\/oem-vs-contract-manufacturing\/\" target=\"_blank\" title=\"OEM vs Contract Manufacturing: How to Choose the Right Model for Your Project\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"409\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/A-Finished-Drawing-Does-Not-Always-Mean-a-Production-Safe-Job.jpg\" class=\"attachment-full size-full wp-image-24371\" alt=\"A Finished Drawing Does Not Always Mean a Production Safe Job\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/A-Finished-Drawing-Does-Not-Always-Mean-a-Production-Safe-Job.jpg 750w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/A-Finished-Drawing-Does-Not-Always-Mean-a-Production-Safe-Job-300x164.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/03\/A-Finished-Drawing-Does-Not-Always-Mean-a-Production-Safe-Job-18x10.jpg 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a>\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\n\t\t\t<div class=\"uael-post__content-wrap uael-content-wrap-disabled\">\n\t\t\t\t\t<h3 class=\"uael-post__title\">\n\n\t\t\n\t\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/oem-vs-contract-manufacturing\/\" target=\"_blank\">\n\t\t\t\tOEM vs Contract Manufacturing: How to Choose the Right Model for Your Project\t\t\t<\/a>\n\n\t\t\t\t<\/h3>\n\t\t\t\t\t<div class=\"uael-post__meta-data\">\n\t\t\t\t\t<span class=\"uael-post__date\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\n\t\t\t9 March 2026\t\t<\/span>\n\t\t\t\t<span class=\"uael-post__comments\">\n\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-comments\" viewbox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 192c0-88.4-93.1-160-208-160S0 103.6 0 192c0 34.3 14.1 65.9 38 92-13.4 30.2-35.5 54.2-35.8 54.5-2.2 2.3-2.8 5.7-1.5 8.7S4.8 352 8 352c36.6 0 66.9-12.3 88.7-25 32.2 15.7 70.3 25 111.3 25 114.9 0 208-71.6 208-160zm122 220c23.9-26 38-57.7 38-92 0-66.9-53.5-124.2-129.3-148.1.9 6.6 1.3 13.3 1.3 20.1 0 105.9-107.7 192-240 192-10.8 0-21.3-.8-31.7-1.9C207.8 439.6 281.8 480 368 480c41 0 79.1-9.2 111.3-25 21.8 12.7 52.1 25 88.7 25 3.2 0 6.1-1.9 7.3-4.8 1.3-2.9.7-6.3-1.5-8.7-.3-.3-22.4-24.2-35.8-54.5z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\tNo Comments\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<a class=\"uael-post__read-more elementor-button\" href=\"https:\/\/shengenfab.com\/en_gb\/oem-vs-contract-manufacturing\/\" target=\"_blank\" aria-labelledby=\"uael-post-24369\">\n\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon elementor-align-icon-left\">\n\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-button-text\" id=\"uael-post-24369\">Readmore<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t<\/div>\n\n<\/div>\n\n<div class=\"uael-post-wrapper   blog\">\n\t<div class=\"uael-post__bg-wrap uael-bg-wrap-disabled\">\n\n\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/setup-cost-vs-unit-cost-in-sheet-metal-manufacturing\/\" target=\"_self\" class=\"uael-post__complete-box-overlay\" aria-label=\"Link Complete Box\"><\/a>\n\t\t\t\t\n\t\t<div class=\"uael-post__inner-wrap uael-inner-wrap-disabled\">\n\n\t\t\t\t<div class=\"uael-post__thumbnail\">\n\t\t\t\n\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/setup-cost-vs-unit-cost-in-sheet-metal-manufacturing\/\" target=\"_blank\" title=\"Setup Cost vs Unit Cost in Sheet Metal Manufacturing\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Setup-Cost-vs-Unit-Cost.jpg\" class=\"attachment-full size-full wp-image-24239\" alt=\"Setup Cost vs Unit Cost\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Setup-Cost-vs-Unit-Cost.jpg 750w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Setup-Cost-vs-Unit-Cost-300x200.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Setup-Cost-vs-Unit-Cost-18x12.jpg 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/a>\n\t\t\t\t\t<\/div>\n\t\t\n\t\t\t\n\t\t\t<div class=\"uael-post__content-wrap uael-content-wrap-disabled\">\n\t\t\t\t\t<h3 class=\"uael-post__title\">\n\n\t\t\n\t\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/en_gb\/setup-cost-vs-unit-cost-in-sheet-metal-manufacturing\/\" target=\"_blank\">\n\t\t\t\tSetup Cost vs Unit Cost in Sheet Metal Manufacturing\t\t\t<\/a>\n\n\t\t\t\t<\/h3>\n\t\t\t\t\t<div class=\"uael-post__meta-data\">\n\t\t\t\t\t<span class=\"uael-post__date\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\n\t\t\t6 February 2026\t\t<\/span>\n\t\t\t\t<span class=\"uael-post__comments\">\n\t\t\t\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fa-comments\" viewbox=\"0 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elementor-align-icon-left\">\n\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"elementor-button-text\" id=\"uael-post-24235\">Readmore<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\n\t<\/div>\n\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\n\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"uael-post__footer\">\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Have you ever launched a new metal part that met the drawing perfectly, only to find the assembly wouldn\u2019t fit later? Or received parts that were \u201cwithin tolerance,\u201d yet performance in the field failed? That gap between design intent and production reality is what PPAP, FAI, and CPK are designed to close. These three tools [&hellip;]<\/p>","protected":false},"author":1,"featured_media":23363,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[15],"class_list":["post-23353","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-sheet-metal-fabrication"],"_links":{"self":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/posts\/23353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/comments?post=23353"}],"version-history":[{"count":0,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/posts\/23353\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/media\/23363"}],"wp:attachment":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/media?parent=23353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/categories?post=23353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/tags?post=23353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}