{"id":10077,"date":"2024-07-22T00:26:58","date_gmt":"2024-07-22T08:26:58","guid":{"rendered":"https:\/\/shengenfab.com\/?p=10077"},"modified":"2026-11-01T23:50:23","modified_gmt":"2026-11-02T07:50:23","slug":"cnc-machining-tolerances","status":"publish","type":"post","link":"https:\/\/shengenfab.com\/es\/cnc-machining-tolerances\/","title":{"rendered":"Tolerancias en el mecanizado CNC: tablas, ajustes y gu\u00eda de dise\u00f1o"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10077\" class=\"elementor elementor-10077\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e4e9add elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e4e9add\" 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-67033bb5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"67033bb5\" 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-2abd1eb9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2abd1eb9\" 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-16f41928 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"16f41928\" 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-161e2177 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"161e2177\" 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-61636d81 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"61636d81\" 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-7362a490 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7362a490\" 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-6d05af1\" data-id=\"6d05af1\" 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-de4c66a elementor-widget elementor-widget-image\" data-id=\"de4c66a\" 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=\"768\" height=\"430\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/CNC-Machining-Tolerances-768x430.webp\" class=\"attachment-medium_large size-medium_large wp-image-10089\" alt=\"CNC Machining Tolerances\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/CNC-Machining-Tolerances-768x430.webp 768w, https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/CNC-Machining-Tolerances-300x168.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/CNC-Machining-Tolerances-18x10.webp 18w, https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/CNC-Machining-Tolerances.webp 1019w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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-1505dea elementor-widget elementor-widget-text-editor\" data-id=\"1505dea\" 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>CNC machining tolerances define the acceptable limit of dimensional variation for a manufactured part. The standard CNC machining tolerance is typically \u00b10.125 mm (\u00b10.005&#8243;). Tighter tolerances, such as \u00b10.025 mm (\u00b10.001&#8243;), are reserved for critical fits but significantly increase manufacturing costs.<\/p><p>While modern CNC machines are highly accurate, they cannot produce perfect dimensions every time due to tool wear, thermal expansion, and material stress. Therefore, every dimension on an engineering drawing must have a defined tolerance.<\/p><p>This guide bridges the gap between design intent and shop-floor reality. Use the quick links below to find standard tolerance charts, learn how to select fits, and discover how to optimize your drawings for better pricing.<\/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-ef72218 elementor-widget elementor-widget-html\" data-id=\"ef72218\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div style=\"overflow-x: auto;\">\r\n  <table style=\"width: 100%; border-collapse: collapse; border: 1px solid #000; font-family: sans-serif; text-align: left;\">\r\n    <thead>\r\n      <tr>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">What You Need to Solve<span style=\"display:none;\">[cite: 47]<\/span><\/th>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Relevant Section<span style=\"display:none;\">[cite: 47]<\/span><\/th>\r\n      <\/tr>\r\n    <\/thead>\r\n    <tbody>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Find common tolerance ranges<span style=\"display:none;\">[cite: 47]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">CNC Tolerance Basics and Typical Ranges<span style=\"display:none;\">[cite: 47]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Determine how tight a part needs to be<span style=\"display:none;\">[cite: 47]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Choosing Tolerances for Fit and Function<span style=\"display:none;\">[cite: 47]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Learn how to specify tolerances on drawings<span style=\"display:none;\">[cite: 47]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Specifying Tolerances Clearly on Engineering Drawings<span style=\"display:none;\">[cite: 47]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Understand machining limits and costs<span style=\"display:none;\">[cite: 47]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Machining Factors That Limit Achievable Tolerances<span style=\"display:none;\">[cite: 47]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Verify supplier quality and conformance<span style=\"display:none;\">[cite: 47]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Verifying Supplier Capability and Part Conformance<span style=\"display:none;\">[cite: 47]<\/span><\/td>\r\n      <\/tr>\r\n    <\/tbody>\r\n  <\/table>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c12282 elementor-widget elementor-widget-text-editor\" data-id=\"5c12282\" 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<h2 id=\"cnc-tolerance-basics-and-typical-ranges\" class=\"atx\">CNC Tolerance Basics and Typical Ranges<\/h2><p>This section explains how to read tolerance callouts and provides baseline reference information for standard machining capabilities.<\/p><h3 id=\"size-limits\" class=\"atx\">Size Limits<\/h3><p>A tolerance sets the upper and lower limits of an acceptable dimension. For example, <code>\u00d820 \u00b10.05 mm<\/code> indicates a nominal diameter of 20 mm, a maximum limit of 20.05 mm, and a minimum limit of 19.95 mm. The total tolerance band is 0.10 mm.<\/p><p>Tolerances are expressed in different formats depending on design intent:<\/p><ul><li><strong>Bilateral:<\/strong> <code>20 \u00b10.05<\/code> (variation allowed equally in both directions from nominal)<\/li><li><strong>Unilateral:<\/strong> <code>20 +0.10 \/ -0.00<\/code> (variation allowed in only one direction)<\/li><li><strong>Limit:<\/strong> <code>20.10 \/ 19.95<\/code> (directly stating the absolute maximum and minimum limits)<\/li><\/ul><p><em>Tolerance<\/em> is the designed allowance on the drawing. <em>Actual deviation<\/em> is the measured difference from the nominal size on a physical part. <em>Repeatability<\/em> indicates how consistently a machine can hold that dimension across a production batch.<\/p><h3 id=\"typical-ranges\" class=\"atx\">Typical Ranges<\/h3><p>Machining capabilities vary by equipment, material, and part geometry. The following ranges represent typical expectations for modern CNC equipment under stable conditions.<\/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-d053681 elementor-widget elementor-widget-html\" data-id=\"d053681\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div style=\"overflow-x: auto;\">\r\n  <table style=\"width: 100%; border-collapse: collapse; border: 1px solid #000; font-family: sans-serif; text-align: left;\">\r\n    <thead>\r\n      <tr>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Feature or Requirement<span style=\"display:none;\">[cite: 48]<\/span><\/th>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Reference Range<span style=\"display:none;\">[cite: 48]<\/span><\/th>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Applicable Conditions<span style=\"display:none;\">[cite: 48]<\/span><\/th>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Verification Needs & Cost Impact<span style=\"display:none;\">[cite: 48]<\/span><\/th>\r\n      <\/tr>\r\n    <\/thead>\r\n    <tbody>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">General Dimensions<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">\u00b10.125 mm (\u00b10.005\")<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Standard 3-axis\/4-axis milling on common metals (e.g., 6061, 304 SS).<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Default title block rules apply. Most cost-effective.<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Precision Fits<br>(Holes\/Shafts)<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">\u00b10.013 mm to \u00b10.025 mm (\u00b10.0005\" to \u00b10.001\")<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Reamed holes, turned bearing journals, rigid setups.<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Requires specific tooling and inspection methods. Moderate cost increase.<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">High-Precision Features<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">\u00b10.005 mm (\u00b10.0002\")<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Grinding, jig boring, or temperature-controlled precision turning.<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\"><strong>High Cost:<\/strong> Requires transitioning from milling to grinding, temperature-controlled environments, and CMM reporting.<span style=\"display:none;\">[cite: 48]<\/span><\/td>\r\n      <\/tr>\r\n    <\/tbody>\r\n  <\/table>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-94fcdf8 elementor-widget elementor-widget-text-editor\" data-id=\"94fcdf8\" 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>These values are baseline references. The achievable tolerance always depends on the specific combination of part size, feature geometry, material rigidity, and workholding setup.<\/p><h3 id=\"standards-and-defaults\" class=\"atx\">Standards and Defaults<\/h3><p>When specific dimensions are not individually toleranced on a drawing, they default to a general standard. Many manufacturers apply standard title block rules based on the number of decimal places (e.g., <code>.XX = \u00b10.01\"<\/code>, <code>.XXX = \u00b10.005\"<\/code>) or reference international standards like ISO 2768 (e.g., ISO 2768-m for medium precision).<\/p><p>General tolerances apply to non-critical features like overall length, chamfers, or clearance holes. Shaft and bore fits require independent evaluation and explicit callouts. Always specify the governing standard and its revision year on the drawing so the manufacturer knows exactly how to inspect un-toleranced dimensions.<\/p><h2 id=\"choosing-tolerances-for-fit-and-function\" class=\"atx\">Choosing Tolerances for Fit and Function<\/h2><p>This section details how to determine specific control requirements based on the part&#8217;s intended application in an assembly.<\/p><h3 id=\"functional-features\" class=\"atx\">Functional Features<\/h3><p>Using the aluminum bearing housing example, the tolerance strategy must align with the physical function of each feature:<\/p><ul><li><strong>Bearing Bore:<\/strong> Requires a precise diametric tolerance and strict surface finish to ensure proper bearing retention and prevent fretting.<\/li><li><strong>Mounting Base:<\/strong> Requires flatness and perpendicularity controls to ensure flush contact with the mating assembly and prevent bolt-induced distortion.<\/li><li><strong>Bolt Hole Pattern:<\/strong> Requires positional control to ensure fasteners align with the threaded holes on the mating chassis.<\/li><li><strong>Outer Profile:<\/strong> Merely defines the physical boundary; a loose general tolerance is sufficient and reduces machining time.<\/li><\/ul><p>Applying dimensional tolerances alone does not guarantee function. Size controls the width or diameter, but geometric tolerances (GD&amp;T) control form (like cylindricity), and roughness dictates the surface texture.<\/p><h3 id=\"hole-and-shaft-fits\" class=\"atx\">Hole and Shaft Fits<\/h3><p>Fits define the physical relationship between mating components. In engineering drawings, these are often designated using the ISO alphanumeric system (e.g., an <strong>H7\/g6<\/strong> fit for a sliding bearing). Using standard codes helps manufacturers immediately understand the design intent. Fits are categorized into three types:<\/p><ul><li><strong>Clearance Fit:<\/strong> The shaft is always smaller than the hole, allowing free movement or sliding.<\/li><li><strong>Interference (Press) Fit:<\/strong> The shaft is always larger than the hole, requiring force or thermal expansion to assemble, creating a rigid joint.<\/li><li><strong>Transition Fit:<\/strong> Can result in either a slight clearance or slight interference, used for precise location and alignment.<\/li><\/ul><p><strong>Calculation Example for a Clearance Fit:<\/strong> Assume a nominal 10 mm shaft and hole intended for a slip fit.<\/p><ul><li><strong>Hole Specification:<\/strong> <code>\u00d810.000 +0.015 \/ -0.000<\/code> (Min size: 10.000, Max size: 10.015)<\/li><li><strong>Shaft Specification:<\/strong> <code>\u00d810.000 -0.010 \/ -0.025<\/code> (Min size: 9.975, Max size: 9.990)<\/li><li><em>Minimum Clearance<\/em> = Minimum Hole (10.000) &#8211; Maximum Shaft (9.990) = 0.010 mm<\/li><li><em>Maximum Clearance<\/em> = Maximum Hole (10.015) &#8211; Minimum Shaft (9.975) = 0.040 mm<\/li><\/ul><p>Fit selection must account for operating temperatures (especially thermal expansion disparities between different metals, like an aluminum housing and a steel bearing) and the assembly method used on the production floor.<\/p><h3 id=\"tolerance-stack-up\" class=\"atx\"><a href=\"https:\/\/shengenfab.com\/tolerance-stacking\/\" target=\"_blank\" rel=\"noopener\">Tolerance Stack-Up<\/a><\/h3><p>Tolerance stack-up occurs when the allowable variations of individual dimensions combine linearly across an assembly.<\/p><p>Consider a shaft carrying three spacers, each dimensioned at <code>20 \u00b10.1 mm<\/code>, resting against a machined step. In a worst-case scenario, if all three spacers are machined to their maximum limit (20.1 mm), the total length will be 60.3 mm. If the mating housing slot is machined to its minimum limit of <code>60.0 mm<\/code>, the parts will not assemble, despite every individual component passing its own drawing requirements.<\/p><p>Worst-case analysis assumes all dimensions are at their extreme limits simultaneously. For assemblies with many components, statistical methods (such as Root Sum Square, RSS) are used to calculate a more probable accumulation.<\/p><blockquote><p><strong>DFM Practical Fix:<\/strong> To mitigate stack-up issues without tightening all tolerances (which directly drives up machining costs), engineers often leave one non-critical component (such as an end-cap, shim, or washer) with an adjustable or custom-cut tolerance. This acts as a buffer for the entire assembly, absorbing the accumulated variations of the cheaper, looser-toleranced parts.<\/p><\/blockquote>\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-4600c99 elementor-widget elementor-widget-image\" data-id=\"4600c99\" 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=\"768\" height=\"430\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/tolerance-of-cnc-machines-768x430.webp\" class=\"attachment-medium_large size-medium_large wp-image-10090\" alt=\"tolerance of cnc machines\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/tolerance-of-cnc-machines-768x430.webp 768w, https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/tolerance-of-cnc-machines-300x168.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/tolerance-of-cnc-machines-18x10.webp 18w, https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/tolerance-of-cnc-machines.webp 1019w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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-2907c79 elementor-widget elementor-widget-text-editor\" data-id=\"2907c79\" 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<h2 id=\"specifying-tolerances-clearly-on-engineering-drawings\" class=\"atx\">Specifying Tolerances Clearly on Engineering Drawings<\/h2><p>This section focuses on translating functional requirements into clear, executable instructions that prevent misinterpretation and pricing assumptions on the shop floor.<\/p><h3 id=\"general-tolerances\" class=\"atx\">General Tolerances<\/h3><p>Every engineering drawing must establish a baseline for dimensions that do not require specific control. This is typically managed through title block rules or by referencing standards like ISO 2768.<\/p><p>A frequent drafting error occurs when CAD software automatically exports default decimal places. For example, a designer models a standard bracket and the software outputs a thickness of <code>10.00<\/code>. If the title block dictates that two decimal places (<code>.XX<\/code>) require a <code>\u00b10.1 mm<\/code> tolerance, but three decimal places (<code>.XXX<\/code>) demand a <code>\u00b10.01 mm<\/code> tolerance, arbitrarily changing the dimension to <code>10.000<\/code> forces the machinist to treat a simple bracket as a precision component.<\/p><p>Align your decimal places with your intended title block rules. Reserve specific, localized tolerance callouts exclusively for functional features to avoid paying precision prices for non-critical surfaces.<\/p><h3 id=\"datums-and-position\" class=\"atx\">Datums and Position<\/h3><p>Datums establish the reference framework for manufacturing setups and quality inspection. They should always reflect how the part physically mounts in the final assembly. For our aluminum bearing housing example, the flat mounting base should act as primary Datum A, because that surface dictates the part&#8217;s orientation when bolted to the chassis.<\/p><p>When specifying bolt hole patterns, traditional X\/Y coordinate tolerances create a square tolerance zone. <a href=\"https:\/\/shengenfab.com\/true-position-in-gdt\/\" target=\"_blank\" rel=\"noopener\">Geometric Dimensioning and Tolerancing (GD&amp;T)<\/a> uses True Position, which creates a cylindrical tolerance zone, offering 57% more acceptable area for the hole center without compromising assembly.<\/p><p>However, GD&amp;T must be applied practically. While True Position provides a larger functional tolerance zone, overusing complex GD&amp;T on simple, non-critical holes forces the supplier to move the part to a Coordinate Measuring Machine (CMM) for inspection instead of using standard hand tools. This inspection bottleneck directly drives up the quoted price.<\/p><h3 id=\"final-part-condition\" class=\"atx\">Final Part Condition<\/h3><p>Drawings often fail to specify whether dimensions apply <em>before<\/em> or <em>after<\/em> surface treatments like <a href=\"https:\/\/shengenfab.com\/what-is-anodized-aluminum\/\" target=\"_blank\" rel=\"noopener\">anodizing<\/a>, <a href=\"https:\/\/shengenfab.com\/plating-and-other-finishing-options-for-sheet-metal-fabrication\/\" target=\"_blank\" rel=\"noopener\">plating<\/a>, or<a href=\"https:\/\/shengenfab.com\/powder-coating-steel\/\" target=\"_blank\" rel=\"noopener\"> powder coating<\/a>.<\/p><p>Surface treatments add physical thickness. Type III Hard Anodizing, for instance, typically adds 0.025 mm to 0.05 mm of thickness per surface. If a bore is machined exactly to the nominal size of a tight H7 fit, the subsequent anodizing layer will shrink the hole diameter, causing the bearing press-fit to fail.<\/p><p>If &#8220;DIMENSIONS APPLY AFTER FINISH&#8221; is missing from the drawing, the machine shop will machine to nominal, the plater will add the coating, the part will fail inspection, and the buyer typically absorbs the cost of the scrapped batch. Explicitly state the final condition, or provide pre-plating tolerances.<\/p><p>Additionally, for large, thin-walled parts that are easily deformed (like thin aluminum rings), clearly state whether the part should be measured in a &#8220;Free State&#8221; or constrained to a fixture to simulate its installed condition.<\/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-224b1d6 elementor-widget elementor-widget-image\" data-id=\"224b1d6\" 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=\"768\" height=\"430\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/CNC-Machining-768x430.webp\" class=\"attachment-medium_large size-medium_large wp-image-10087\" alt=\"CNC Machining\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/CNC-Machining-768x430.webp 768w, https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/CNC-Machining-300x168.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/CNC-Machining-18x10.webp 18w, https:\/\/shengenfab.com\/wp-content\/uploads\/2024\/07\/CNC-Machining.webp 1019w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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-7a2eba0 elementor-widget elementor-widget-text-editor\" data-id=\"7a2eba0\" 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<h2 id=\"machining-factors-that-limit-achievable-tolerances\" class=\"atx\">Machining Factors That Limit Achievable Tolerances<\/h2><p>Designers must recognize that a tolerance is not just a digital number; it is bound by physics, material properties, and machine mechanics.<\/p><h3 id=\"material-stability\" class=\"atx\">Material Stability<\/h3><p>Materials react differently to the heat and cutting forces generated during machining.<\/p><p>Metals possess specific thermal expansion coefficients. For example, aluminum expands at roughly 23 \u00b5m\/m\u00b7\u00b0C. If a 500 mm aluminum plate heats up by just 5\u00b0C during aggressive roughing, it temporarily expands by nearly 0.06 mm. If the drawing demands a <code>\u00b10.02 mm<\/code> overall tolerance, the part may measure perfectly inside the warm machine enclosure, but it will shrink and fail once it reaches thermal equilibrium in a temperature-controlled QA lab.<\/p><p>Engineering plastics (such as POM, Nylon, or PTFE) present even greater stability challenges due to high thermal expansion rates, moisture absorption, and internal stress relief. Specifying a metal-grade <code>\u00b10.01 mm<\/code> tolerance on a plastic component is usually impractical; the material&#8217;s natural environmental warping will exceed the tolerance band during transit.<\/p><h3 id=\"geometry-and-clamping\" class=\"atx\">Geometry and Clamping<\/h3><p>Part geometry determines how rigidly a component can be held and how far a cutting tool must extend. Lack of rigidity introduces vibration and deflection, directly limiting achievable accuracy.<\/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-0023ff5 elementor-widget elementor-widget-html\" data-id=\"0023ff5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div style=\"overflow-x: auto;\">\r\n  <table style=\"width: 100%; border-collapse: collapse; border: 1px solid #000; font-family: sans-serif; text-align: left;\">\r\n    <thead>\r\n      <tr>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Feature Condition<span style=\"display:none;\">[cite: 49]<\/span><\/th>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Primary Risk<span style=\"display:none;\">[cite: 49]<\/span><\/th>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Actionable Design Improvements<span style=\"display:none;\">[cite: 49]<\/span><\/th>\r\n      <\/tr>\r\n    <\/thead>\r\n    <tbody>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Thin Walls (< 1 mm)<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Material deflection or vibration (chatter) under cutting pressure, causing uneven surfaces or out-of-tolerance thickness.<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Increase wall thickness where possible, add internal support ribs, or allow the supplier to use custom soft jaws.<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Deep Holes \/ Cavities<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Tool deflection causes the hole to taper or wander off-center at the bottom.<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\"><strong>Rule of Thumb:<\/strong> Maintaining tight tolerances becomes exponentially more expensive when the depth-to-diameter (L:D) ratio exceeds 4:1 for milling or 8:1 for drilling. Reduce depth or open tolerances at the bottom.<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Long, Slender Shafts<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Workpiece bending (runout) away from the cutting tool in the center of the span.<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Specify looser tolerances in the middle of the shaft, or design centers to allow for tailstock support during turning.<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Multi-Face Features<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Re-chucking the part to machine different sides introduces physical re-positioning errors.<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Design critical concentric features, or hole patterns that must align perfectly, to be machined from a single setup (one orientation).<span style=\"display:none;\">[cite: 49]<\/span><\/td>\r\n      <\/tr>\r\n    <\/tbody>\r\n  <\/table>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1372513 elementor-widget elementor-widget-text-editor\" data-id=\"1372513\" 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<h3 id=\"process-selection\" class=\"atx\">Process Selection<\/h3><p>Machinists select tools and routing based on the required tolerance, geometry, and surface finish. Tightening a tolerance often forces a fundamental change in the manufacturing process.<\/p><p>For a standard clearance hole, a machinist simply uses a drill. However, standard drills wander and cannot hold perfect cylindricity or exact diameters. If the drawing demands a precise <code>\u00b10.015 mm<\/code> bearing fit, the machinist cannot just &#8220;drill it more carefully.&#8221; They must drill the hole undersize, use a boring bar to straighten the hole&#8217;s axis, and finally use a precision reamer to achieve the final dimension.<\/p><p>Tightening a tolerance usually means adding entirely new operations, tool changes, and slower feed rates. Process selection must always balance the necessary functional fit against the compounding cost of these additional machining steps.<\/p><h2 id=\"reducing-cost-through-better-tolerance-design\" class=\"atx\">Reducing Cost Through Better Tolerance Design<\/h2><p>This section translates technical specifications into commercial impact, explaining exactly why your quoted price changes and how to adjust your design for better manufacturability (DFM) without compromising performance.<\/p><h3 id=\"cost-drivers\" class=\"atx\">Cost Drivers<\/h3><p>When a machine shop estimator reviews an RFQ with tight tolerances, the price increase is not an arbitrary multiplier. It reflects concrete, measurable additions to the manufacturing workflow:<\/p><ul><li><strong>Setup and Fixturing:<\/strong> Tight geometric tolerances (like perpendicularity between two faces) often require custom-machined soft jaws or specialized workholding to prevent the part from distorting when clamped.<\/li><li><strong>Secondary Operations:<\/strong> A standard milled finish might hold <code>\u00b10.1 mm<\/code>. If you require <code>\u00b10.005 mm<\/code>, the part must be moved to a cylindrical grinder or wire EDM. Each machine change adds setup time and labor.<\/li><li><strong>Tool Wear and Process Interruption:<\/strong> To hold a <code>\u00b10.01 mm<\/code> bore, the machinist cannot let the cutting tool wear down. They must stop the machine frequently to measure mid-cycle, adjust tool offsets, and replace endmills long before their normal end-of-life.<\/li><li><strong>Inspection and Reporting:<\/strong> Measuring a highly toleranced part requires programming a Coordinate Measuring Machine (CMM), allowing the part to acclimate to the QA lab&#8217;s temperature, and generating detailed First Article Inspection (FAI) reports.<\/li><\/ul><p><strong>The &#8220;Headache Tax&#8221;:<\/strong> When estimators see an over-toleranced drawing, they don&#8217;t just calculate machine time\u2014they add a hidden <strong>&#8216;risk premium&#8217; (or &#8216;headache tax&#8217;)<\/strong> to cover anticipated scrap, or worse, they simply <strong>&#8216;No-Quote&#8217;<\/strong> the project to avoid the liability. Good tolerance design doesn&#8217;t just lower the price; it ensures you actually get quotes from top-tier suppliers.<\/p><h3 id=\"design-adjustments\" class=\"atx\">Design Adjustments<\/h3><p>Before freezing a design, evaluate whether the cost drivers align with the part&#8217;s actual function. Minor adjustments can yield significant savings:<\/p><ul><li><strong>Relax Non-Critical Dimensions:<\/strong> Leave external profiles, clearance holes, and chamfers at standard general tolerances (e.g., ISO 2768-m).<\/li><li><strong>Remove Cross-Face Dependencies:<\/strong> If a tight tolerance spans two opposing faces, the machinist must flip the part, losing their precise zero-point. If possible, redesign the part so all critical concentric or aligned features can be machined from a single orientation.<\/li><li><strong>Improve Clamping and Tool Access:<\/strong> Ensure the part has parallel, flat surfaces that a standard vise can grip securely. Standardized corner radii prevent the need for fragile, slow-cutting micro-tools.<\/li><li><strong>Verify Surface Roughness:<\/strong> Do not blanket the drawing with an Ra 0.8 (32 \u00b5in) requirement. Use standard Ra 3.2 (125 \u00b5in) for general surfaces, reserving Ra 0.8 or finer strictly for O-ring grooves or sliding bearing journals.<\/li><\/ul><h3 id=\"before-and-after-example\" class=\"atx\">Before-and-After Example<\/h3><p>Consider two different drafting approaches for an aluminum bearing housing.<\/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-64ece1c elementor-widget elementor-widget-html\" data-id=\"64ece1c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div style=\"overflow-x: auto;\">\r\n  <table style=\"width: 100%; border-collapse: collapse; border: 1px solid #000; font-family: sans-serif; text-align: left;\">\r\n    <thead>\r\n      <tr>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Comparison Area<span style=\"display:none;\">[cite: 50]<\/span><\/th>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Original Requirement<span style=\"display:none;\">[cite: 50]<\/span><\/th>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Adjusted Requirement<span style=\"display:none;\">[cite: 50]<\/span><\/th>\r\n        <th style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Expected Manufacturing Impact<span style=\"display:none;\">[cite: 50]<\/span><\/th>\r\n      <\/tr>\r\n    <\/thead>\r\n    <tbody>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Tolerance Allocation<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Blanket \u00b10.02 mm applied across all dimensions via title block.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">\u00b10.02 mm strictly on bearing bore; ISO 2768-m for outer profile.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Eliminates unnecessary precision milling on non-functional exterior surfaces.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Datum Structure<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Vague or conflicting datums not aligned with assembly.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Datums match the physical mounting base and primary locating pins.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Reduces misinterpretation and inspection setup time.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Final Condition<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Ambiguous surface finish requirements.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Explicitly states \"Dimensions Apply AFTER Hard Anodize.\"<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Eliminates the risk of the bore shrinking out-of-spec, reducing scrap.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n      <\/tr>\r\n      <tr>\r\n        <td style=\"border: 1px solid #000; padding: 12px; font-weight: bold;\">Inspection Plan<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Unspecified; implies full CMM layout for all dimensions.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">CMM report required only for the bearing bore and mounting flatness.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n        <td style=\"border: 1px solid #000; padding: 12px;\">Drastically reduces QA bottleneck, enabling faster, more accurate quoting.<span style=\"display:none;\">[cite: 50]<\/span><\/td>\r\n      <\/tr>\r\n    <\/tbody>\r\n  <\/table>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1cf84fd elementor-widget elementor-widget-text-editor\" data-id=\"1cf84fd\" 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<h2 id=\"verifying-supplier-capability-and-part-conformance\" class=\"atx\">Verifying Supplier Capability and Part Conformance<\/h2><p>Specifying the right tolerance is only half the process; you must also ensure the supplier can reliably hit those numbers and that both parties agree on how to measure them.<\/p><h3 id=\"capability-evidence\" class=\"atx\">Capability Evidence<\/h3><p>Almost any decent machine shop can brute-force one perfect <strong>&#8220;golden sample&#8221;<\/strong> by making ten parts and throwing away nine. But producing 1,000 parts with consistent fits requires statistical process control.<\/p><p>For critical projects, ask the supplier to confirm how they intend to hold the key features (e.g., will they ream or bore that hole?). If transitioning to high volume, require process capability data (such as Cp and Cpk scores) to prove their machining process is statistically stable, rather than relying on them manually sorting out the bad parts at the end of the line.<\/p><h3 id=\"measurement-methods\" class=\"atx\">Measurement Methods<\/h3><p>Discrepancies often arise when the supplier and the buyer use different methods to measure the same feature.<\/p><p>Ensure the inspection tool matches the tolerance requirement. A micrometer is suitable for precision outer diameters, while verifying true position or flatness over a large area typically requires a CMM.<\/p><p><em>Note on Resolution vs. Accuracy:<\/em> A digital caliper that displays 0.01 mm resolution is rarely accurate or repeatable to 0.01 mm, especially in the hands of different operators. Relying on calipers for tolerances tighter than <code>\u00b10.05 mm<\/code> is a common source of false rejections.<\/p><p><strong>The Correlation Problem:<\/strong> A common dispute occurs when the supplier measures a bore with a precise plug gauge (Pass), but the buyer inspects incoming parts using a CMM in a different temperature environment (Fail). To prevent this, your RFQ must explicitly align the <strong>inspection correlation<\/strong>: if a feature is critical, agree on the exact measurement tool, fixturing, and setup state before production begins.<\/p><h3 id=\"acceptance-requirements\" class=\"atx\">Acceptance Requirements<\/h3><p>Establish clear acceptance criteria before the first chip is cut.<\/p><ul><li>Specify the inspection scope: Do you require a First Article Inspection (FAI) report, AQL sampling (e.g., inspecting 10% of the batch), or 100% inspection on critical features?<\/li><li>Define exactly which measured data points must be recorded on the inspection report.<\/li><li>Establish a deviation workflow. If a non-critical feature is out of tolerance by 0.01 mm, is there a Material Review Board (MRB) process to approve it &#8220;as-is,&#8221; or is it an automatic rejection?<\/li><\/ul><p><strong>Need help evaluating your tolerances?<\/strong> <a href=\"https:\/\/shengenfab.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Submit your 2D drawings and 3D models<\/a> with your critical fits, locating features, or sealing surfaces highlighted, and our engineering team will provide a comprehensive DFM and tolerance review to help optimize your manufacturing costs.<\/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-6b1655af\" data-id=\"6b1655af\" 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-721bfb60 elementor-widget elementor-widget-heading\" data-id=\"721bfb60\" 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-21669f8b elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"21669f8b\" 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 loading=\"lazy\" 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-22e77161 elementor-widget elementor-widget-text-editor\" data-id=\"22e77161\" 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-3776858c elementor-align-center elementor-widget elementor-widget-button\" data-id=\"3776858c\" 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\/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-6e5b574c elementor-widget elementor-widget-heading\" data-id=\"6e5b574c\" 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 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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-3e4d814c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3e4d814c\" 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-784f51e6 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"784f51e6\" 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-30d35e43\" data-id=\"30d35e43\" 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-11f26c22\" data-id=\"11f26c22\" 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-40a23867 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"40a23867\" 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-4de8c67b\" data-id=\"4de8c67b\" 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-667bd346 elementor-widget elementor-widget-image\" data-id=\"667bd346\" 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 loading=\"lazy\" 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-59ceeec0\" data-id=\"59ceeec0\" 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-1add1aed elementor-widget elementor-widget-heading\" data-id=\"1add1aed\" 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-779a41e elementor-widget elementor-widget-text-editor\" data-id=\"779a41e\" 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-7f1909e8\" data-id=\"7f1909e8\" 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-6df619a7 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6df619a7\" 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-560ce07\" data-id=\"560ce07\" 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-5a6545af elementor-widget elementor-widget-heading\" data-id=\"5a6545af\" 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-4be0cf00 uael-post__link-complete-yes uael-equal__height-yes elementor-widget elementor-widget-uael-posts\" data-id=\"4be0cf00\" data-element_type=\"widget\" data-e-type=\"widget\" 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href=\"https:\/\/shengenfab.com\/es\/compound-die-stamping\/\" 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\/es\/compound-die-stamping\/\" target=\"_blank\" title=\"Compound Die Stamping: When to Use It and What It Costs\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/11\/Compound-Die-Stamping-of-Stainless-Steel-Mounting-Plates.webp\" class=\"attachment-full size-full wp-image-26409\" alt=\"Compound Die Stamping of Stainless Steel Mounting Plates\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/11\/Compound-Die-Stamping-of-Stainless-Steel-Mounting-Plates.webp 800w, 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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 noviembre 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 hay comentarios\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\/es\/compound-die-stamping\/\" target=\"_blank\" aria-labelledby=\"uael-post-26408\">\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-26408>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   fabrication \">\n\t<div class=\"uael-post__bg-wrap uael-bg-wrap-disabled \">\n\n\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/es\/progressive-vs-compound-vs-transfer-die-stamping\/\" 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\/es\/progressive-vs-compound-vs-transfer-die-stamping\/\" target=\"_blank\" title=\"Progressive vs Compound vs Transfer Die Stamping\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/10\/Stamped-Metal-Parts-on-a-Workshop-Bench.webp\" class=\"attachment-full size-full wp-image-26350\" alt=\"Stamped Metal Parts on a Workshop Bench\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/10\/Stamped-Metal-Parts-on-a-Workshop-Bench.webp 800w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/10\/Stamped-Metal-Parts-on-a-Workshop-Bench-300x169.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/10\/Stamped-Metal-Parts-on-a-Workshop-Bench-768x432.webp 768w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/10\/Stamped-Metal-Parts-on-a-Workshop-Bench-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/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\/es\/progressive-vs-compound-vs-transfer-die-stamping\/\" target=\"_blank\">\n\t\t\t\tProgressive vs Compound vs Transfer Die Stamping\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\t26 octubre 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 hay comentarios\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\/es\/progressive-vs-compound-vs-transfer-die-stamping\/\" target=\"_blank\" aria-labelledby=\"uael-post-26349\">\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-26349>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   materials \">\n\t<div class=\"uael-post__bg-wrap uael-bg-wrap-disabled \">\n\n\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/es\/prototyping-materials\/\" 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\/es\/prototyping-materials\/\" target=\"_blank\" title=\"Prototyping Materials: How to Choose the Right Material\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/09\/Machined-Plastic-Housing-Gear-and-Bushing.webp\" class=\"attachment-full size-full wp-image-26199\" alt=\"Machined Plastic Housing, Gear, and Bushing\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/09\/Machined-Plastic-Housing-Gear-and-Bushing.webp 800w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/09\/Machined-Plastic-Housing-Gear-and-Bushing-300x169.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/09\/Machined-Plastic-Housing-Gear-and-Bushing-768x432.webp 768w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/09\/Machined-Plastic-Housing-Gear-and-Bushing-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/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\/es\/prototyping-materials\/\" target=\"_blank\">\n\t\t\t\tPrototyping Materials: How to Choose the Right Material\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\t27 septiembre 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 hay comentarios\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\/es\/prototyping-materials\/\" target=\"_blank\" aria-labelledby=\"uael-post-26198\">\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-26198>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   fabrication \">\n\t<div class=\"uael-post__bg-wrap uael-bg-wrap-disabled \">\n\n\t\t\t\t\t<a href=\"https:\/\/shengenfab.com\/es\/press-joining\/\" 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\/es\/press-joining\/\" target=\"_blank\" title=\"Press Joining in Sheet Metal: Design, Cost, and Quality\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/09\/Press-Joining.webp\" class=\"attachment-full size-full wp-image-26140\" alt=\"Press Joining\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/09\/Press-Joining.webp 800w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/09\/Press-Joining-300x169.webp 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/09\/Press-Joining-768x432.webp 768w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/09\/Press-Joining-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/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\/es\/press-joining\/\" target=\"_blank\">\n\t\t\t\tPress Joining in Sheet Metal: Design, Cost, and 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\t21 septiembre 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 hay comentarios\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\/es\/press-joining\/\" target=\"_blank\" aria-labelledby=\"uael-post-26139\">\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-26139>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>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Las tolerancias en el mecanizado CNC definen el l\u00edmite aceptable de variaci\u00f3n dimensional de una pieza fabricada. La tolerancia est\u00e1ndar en el mecanizado CNC suele ser de \u00b10,125 mm (\u00b10,005\u2033). Las tolerancias m\u00e1s estrictas, como \u00b10,025 mm (\u00b10,001\u2033), se reservan para ajustes cr\u00edticos, pero aumentan considerablemente los costes de fabricaci\u00f3n.<\/p>","protected":false},"author":1,"featured_media":10086,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[19],"class_list":["post-10077","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dfm","tag-cnc-machining"],"_links":{"self":[{"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/posts\/10077","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/comments?post=10077"}],"version-history":[{"count":14,"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/posts\/10077\/revisions"}],"predecessor-version":[{"id":26374,"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/posts\/10077\/revisions\/26374"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/media\/10086"}],"wp:attachment":[{"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/media?parent=10077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/categories?post=10077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shengenfab.com\/es\/wp-json\/wp\/v2\/tags?post=10077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}