{"id":22941,"date":"2025-11-24T19:52:57","date_gmt":"2025-11-25T03:52:57","guid":{"rendered":"https:\/\/shengenfab.com\/?p=22941"},"modified":"2025-11-24T20:05:06","modified_gmt":"2025-11-25T04:05:06","slug":"emi-rfi-shielding-in-custom-sheet-metal-fabrication","status":"publish","type":"post","link":"https:\/\/shengenfab.com\/en_gb\/emi-rfi-shielding-in-custom-sheet-metal-fabrication\/","title":{"rendered":"EMI\/RFI Shielding in Custom Sheet Metal Fabrication"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"22941\" class=\"elementor elementor-22941\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2e031248 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2e031248\" 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-6c39b51e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6c39b51e\" 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-73f50218 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"73f50218\" 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-71142e37 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"71142e37\" 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-1607f4a6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1607f4a6\" 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-5b3122c8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5b3122c8\" 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-5628b6c2 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5628b6c2\" 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-88b6d61\" data-id=\"88b6d61\" 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-e8e8a1f elementor-widget elementor-widget-text-editor\" data-id=\"e8e8a1f\" 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>Electronics today operate faster, smaller, and closer together than ever. This density makes them more vulnerable to electromagnetic interference that can quietly disrupt performance or cause system failure.<\/p><p>Every circuit emits and receives electromagnetic energy. When uncontrolled, these signals leak through enclosures and couple into nearby components. That\u2019s electromagnetic interference (EMI)\u2014and at higher frequencies, it becomes radio frequency interference (RFI).<\/p><p>In automotive, aerospace, and communication systems, even minor interference can cause readings to shift or reset processors. In one test, a 1 mm seam gap reduced a control unit\u2019s shielding by 30 dB, enough to trigger unstable operation. This is why modern design teams treat EMI\/RFI protection as a structural requirement, not an afterthought.<\/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-239f0ca elementor-widget elementor-widget-image\" data-id=\"239f0ca\" 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=\"426\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/EMIRFI-Shielding-in-Custom-Sheet-Metal-Fabrication.jpg\" class=\"attachment-large size-large wp-image-22949\" alt=\"EMIRFI Shielding in Custom Sheet Metal Fabrication\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/EMIRFI-Shielding-in-Custom-Sheet-Metal-Fabrication.jpg 640w, https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/EMIRFI-Shielding-in-Custom-Sheet-Metal-Fabrication-300x200.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/EMIRFI-Shielding-in-Custom-Sheet-Metal-Fabrication-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-15a46f1 elementor-widget elementor-widget-text-editor\" data-id=\"15a46f1\" 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 Causes EMI and RFI\uff1f<\/h2><p> <\/p><p>Interference can come from inside a device\u2014or from the environment around it. Both paths need control for stable performance.<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Internal sources:<\/strong> switching power supplies, microprocessors, and high-speed digital lines.<\/li> <li><strong>External sources:<\/strong> antennas, motors, or radio transmitters that inject unwanted energy.<\/li><\/ul><p> <\/p><p>When unshielded, these signals cause cross-talk, data errors, or total communication loss. In vehicles, EMI may disrupt safety sensors; in hospitals, RFI can distort medical readings. The goal of shielding is simple: stop emissions from escaping and prevent outside fields from entering.<\/p><p> <\/p><h2 class=\"wp-block-heading\">How Shielding Works\uff1f<\/h2><p> <\/p><p>A proper shield protects electronics through three physical mechanisms. Together, they determine real-world effectiveness.<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Reflection:<\/strong> Conductive metal surfaces reflect electromagnetic waves.<\/li> <li><strong>Absorption:<\/strong> The metal\u2019s magnetic and resistive properties dissipate some energy as heat.<\/li> <li><strong>Grounding continuity:<\/strong> Remaining charge flows safely to ground, maintaining clean internal signals.<\/li><\/ul><p> <\/p><p>Shielding effectiveness is often expressed in decibels (dB). A 20 dB reduction equals a 90% cut in interference energy. A 60 dB barrier blocks 99.9%\u2014enough for most industrial or aerospace systems.<\/p><p> <\/p><p>Material conductivity, magnetic permeability, and thickness all influence this number. For instance, copper shields can reach 100 dB attenuation at 1 GHz, while thin aluminum housings typically achieve 80\u201390 dB.<\/p><p> <\/p><h3 class=\"wp-block-heading\">The Role of Enclosure Design<\/h3><p> <\/p><p>A strong material alone isn\u2019t enough\u2014geometry and assembly determine the shield\u2019s success.<\/p><p> <\/p><p>Even tiny openings act like antennas. Tests show that unsealed joints as small as 0.5 mm can leak high-frequency energy. That\u2019s why engineers design overlapping flanges, folded seams, and continuous contact paths to ensure optimal performance.<\/p><p> <\/p><p>Effective enclosures maintain a conductive circuit around all sides.<\/p><p> <\/p><p>This requires:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Seam control:<\/strong> Use overlaps or conductive gaskets to close paths.<\/li> <li><strong>Consistent contact:<\/strong> Keep joining surfaces free from paint or oxidation.<\/li> <li><strong>Grounding:<\/strong> Connect all panels to a single ground point to avoid floating voltages.<\/li><\/ul><p> <\/p><p>When these practices start in the CAD model, fabrication and assembly become more predictable. Designing for shielding early can improve compliance results and cut late-stage rework by more than 50%.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Materials and Manufacturing in EMI\/RFI Shielded Enclosures<\/h2><p> <\/p><p>Material selection defines how effectively an enclosure reflects or absorbs electromagnetic waves. The best choice balances conductivity, strength, corrosion resistance, and long-term cost stability.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Choosing the Right Material<\/h3><p> <\/p><p>Copper offers unmatched conductivity, while aluminum combines good shielding with low weight. Stainless steel resists corrosion and handles structural loads but has higher resistivity.<\/p><p> <\/p><p>Below is a simplified comparison used in many fabrication projects:<\/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-f9abc21 uael-header-sticky-no uael-border-yes elementor-widget elementor-widget-uael-table\" data-id=\"f9abc21\" 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-f9abc21\" 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\">Material<\/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\">Conductivity<\/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\">Magnetic Permeability<\/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\">Corrosion Resistance<\/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=\"4\" class=\"sort-this elementor-repeater-item-4 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\">Typical Use Case<\/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=\"\ufeffMaterial\">\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\">Copper<\/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=\"Conductivity\">\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\">Excellent<\/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=\"Magnetic Permeability\">\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\">Low<\/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=\"Corrosion Resistance\">\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\">Moderate<\/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-4\" data-title=\"Typical Use Case\">\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-frequency enclosures, RF connectors<\/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=\"\ufeffMaterial\">\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\">Aluminum<\/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=\"Conductivity\">\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\">Very Good<\/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=\"Magnetic Permeability\">\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\">Low<\/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=\"Corrosion Resistance\">\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<\/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-4 uael-table-col uael-table-body-cell-text elementor-repeater-item-4\" data-title=\"Typical Use Case\">\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\">Lightweight housings, telecom or avionics boxes<\/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=\"\ufeffMaterial\">\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\">Stainless Steel<\/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=\"Conductivity\">\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\">Moderate<\/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=\"Magnetic Permeability\">\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<\/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=\"Corrosion Resistance\">\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\">Excellent<\/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-4 uael-table-col uael-table-body-cell-text elementor-repeater-item-4 uael-table-col uael-table-body-cell-text elementor-repeater-item-4\" data-title=\"Typical Use Case\">\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\">Harsh environments, structural housings<\/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=\"\ufeffMaterial\">\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\">Nickel Silver<\/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=\"Conductivity\">\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\">Good<\/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=\"Magnetic Permeability\">\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\">Moderate<\/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 uael-table-col uael-table-body-cell-text elementor-repeater-item-3\" data-title=\"Corrosion Resistance\">\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<\/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-4 uael-table-col uael-table-body-cell-text elementor-repeater-item-4 uael-table-col uael-table-body-cell-text elementor-repeater-item-4 uael-table-col uael-table-body-cell-text elementor-repeater-item-4\" data-title=\"Typical Use Case\">\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\">Decorative housings with functional shielding<\/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=\"\ufeffMaterial\">\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\">Mu-Metal<\/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=\"Conductivity\">\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\">Low<\/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=\"Magnetic Permeability\">\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\">Very High<\/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 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=\"Corrosion Resistance\">\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\">Moderate<\/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-4 uael-table-col uael-table-body-cell-text elementor-repeater-item-4 uael-table-col uael-table-body-cell-text elementor-repeater-item-4 uael-table-col uael-table-body-cell-text elementor-repeater-item-4 uael-table-col uael-table-body-cell-text elementor-repeater-item-4\" data-title=\"Typical Use Case\">\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\">Low-frequency magnetic shielding<\/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-138a933 elementor-widget elementor-widget-text-editor\" data-id=\"138a933\" 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>In real conditions, copper enclosures can achieve up to 100 dB attenuation at 1 GHz. Aluminum housings reach around 85\u201390 dB, while stainless steel performs best at low frequencies due to its magnetic properties.<\/p><p> <\/p><p>From a cost perspective, aluminum is typically 30\u201340 % cheaper than copper and easier to machine. That\u2019s why many industrial designs utilize aluminum, offering a balance between cost, conductivity, and corrosion resistance.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Matching Material to Frequency Range and Environment<\/h3><p> <\/p><p>Shielding performance depends on both the type of interference and the operating environment. Engineers must match material physics to application needs.<\/p><p> <\/p><p>At low frequencies (below 10 MHz), magnetic permeability is most significant\u2014steel and Mu-metal effectively absorb magnetic energy. At high frequencies (above 10 MHz), electrical conductivity dominates\u2014copper and aluminum reflect most of the wave energy.<\/p><p> <\/p><p>Environmental conditions refine that choice further:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Outdoor or marine systems:<\/strong> Aluminum or stainless steel with passivation or anodizing.<\/li> <li><strong>Medical or laboratory devices:<\/strong> Nickel-plated steel to ensure clean, non-contaminating surfaces.<\/li> <li><strong>Automotive or industrial controls:<\/strong> Zinc- or tin-plated steels that resist humidity and maintain surface conductivity.<\/li><\/ul><p> <\/p><p>Choosing the right coating or finish early prevents oxidation that can raise contact resistance and weaken long-term shielding by as much as 20 dB.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Manufacturing Methods for Shielded Sheet Metal Parts<\/h2><p> <\/p><p>Fabrication methods determine whether the selected material performs as intended. Precision, consistency, and repeatability all contribute to real-world shielding results.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Laser Cutting and CNC Punching<\/h3><p> <\/p><p>Ideal for custom shapes, vent patterns, and prototype enclosures. <a href=\"https:\/\/shengenfab.com\/en_gb\/laser-cutting-a-comprehensive-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">Laser-cut<\/a> edges maintain tight tolerances for clean gasket contact zones, reducing leakage paths. Best suited for low- to mid-volume runs or designs that may still change.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Stamping and Deep Drawing<\/h3><p> <\/p><p>When production exceeds a few thousand pieces, <a href=\"https:\/\/shengenfab.com\/en_gb\/mastering-sheet-metal-stamping-a-complete-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">stamping<\/a> becomes a cost-effective option. Tooling investment is higher, but once set, parts are highly consistent. <a href=\"https:\/\/shengenfab.com\/en_gb\/what-is-deep-drawing\/\" target=\"_blank\" rel=\"noreferrer noopener\">Deep drawing<\/a> produces seamless housings that eliminate weld seams, improving mechanical strength and shielding performance by up to 10 dB.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Photochemical Etching<\/h3><p> <\/p><p>Used for thin, detailed EMI shields and gasket frames under 0.2 mm thickness. This process introduces no mechanical stress, maintaining dimensional accuracy even in delicate patterns. Engineers often choose etching for small electronic shields that require rapid design iteration without the need for new tooling.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Expanded Metal Foils and Mesh<\/h3><p> <\/p><p>Expanded foils deliver lightweight, flexible shielding for ventilation panels or curved surfaces. They combine good electrical continuity with open airflow, making them ideal for aerospace and high-density enclosures. Some designs integrate foil layers directly into sandwich structures or thermal panels for dual-purpose use.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Welding, Joining, and Conductivity<\/h3><p> <\/p><p>A well-made shield depends on reliable electrical contact across every joint. The joining method directly influences resistance, durability, and EMI stability.<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Spot or seam welding:<\/strong> Ensures continuous metal-to-metal bonding.<\/li> <li><strong>Conductive gaskets or finger stock:<\/strong> Maintain contact on removable panels.<\/li> <li><strong>Surface cleaning before assembly<\/strong> removes oxides and coatings that increase resistance.<\/li><\/ul><p> <\/p><p>For bolted joints, designers often specify serrated washers or nickel plating beneath fasteners. Properly treated seams maintain joint resistance below 2 milliohms, preventing voltage differences and ensuring consistent attenuation over the enclosure\u2019s lifespan.<\/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-cb08d20 elementor-widget elementor-widget-image\" data-id=\"cb08d20\" 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=\"500\" height=\"333\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/Sheet-Metal-Welding-2.jpg\" class=\"attachment-large size-large wp-image-22948\" alt=\"Sheet Metal Welding (2)\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/Sheet-Metal-Welding-2.jpg 500w, https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/Sheet-Metal-Welding-2-300x200.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2025\/11\/Sheet-Metal-Welding-2-18x12.jpg 18w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/>\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-42fecb0 elementor-widget elementor-widget-text-editor\" data-id=\"42fecb0\" 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\">Design Considerations for Effective EMI\/RFI Shielding<\/h2><p> <\/p><p>The most cost-effective EMI protection begins long before fabrication starts. Early design planning prevents electrical gaps, simplifies assembly, and improves compliance test results.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Integrating Shielding Early in Design<\/h3><p> <\/p><p>When shielding is built into the CAD model, engineers can align folds, seams, and contact zones for clean conductivity. For example, overlapping flanges or continuous bends block field leakage better than butt joints. Tests show that simple overlap designs can improve attenuation by 15\u201325 dB compared with flat seams.<\/p><p> <\/p><p>This approach also helps fabricators maintain accuracy without extra tooling. By defining joint geometry early, teams can avoid late-stage rework, resulting in a reduction of lead time and cost by up to 30% in some projects.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Managing Apertures, Openings, and Ventilation<\/h3><p> <\/p><p>Openings are unavoidable, but every hole weakens the shield. Proper vent and aperture design allows airflow without creating paths for electromagnetic leakage.<\/p><p> <\/p><p>The effectiveness of a hole depends on its size relative to the wavelength of the incident light. A reliable rule is to keep the diameter smaller than one-twentieth of the wavelength of the target frequency. At 1 GHz (wavelength \u2248 300 mm), holes under 15 mm still preserve solid shielding.<\/p><p> <\/p><p>To balance function and protection, engineers use:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Honeycomb vents:<\/strong> thin, conductive cells that block high-frequency waves.<\/li> <li><strong>Conductive meshes or perforated sheets:<\/strong> maintain electrical continuity with cooling airflow.<\/li> <li><strong>Gasketed vent covers:<\/strong> seal removable sections for consistent contact pressure.<\/li><\/ul><p> <\/p><p>When combined with precise laser cutting, these features maintain both form and electrical integrity throughout the product life cycle.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Grounding and Joint Continuity<\/h3><p> <\/p><p>A shield is only as good as its electrical path. Proper grounding transforms an assembly of panels into a single conductive enclosure that dissipates unwanted energy.<\/p><p> <\/p><p>Good grounding design includes:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Bare metal contact zones<\/strong> under fasteners or between panels.<\/li> <li><strong>Conductive coatings<\/strong>, such as nickel or tin plating, are used on joining surfaces.<\/li> <li><strong>Bonding straps or studs<\/strong> connecting isolated panels to a common ground.<\/li><\/ul><p> <\/p><p>In testing, joints with contact resistance below 2 m\u03a9 deliver consistent shielding over thousands of assembly cycles. Even slight oxidation can double the resistance, so design engineers often specify protected yet conductive finishes.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Surface Finishes and Conductive Coatings<\/h3><p> <\/p><p>The right finish protects the enclosure without sacrificing conductivity. This step is critical because non-conductive coatings can isolate panels and degrade performance.<\/p><p> <\/p><p><strong>Conductive plating options:<\/strong><\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Tin plating<\/strong> \u2014 easy soldering and strong corrosion resistance.<\/li> <li><strong>Nickel plating<\/strong> \u2014 durable for outdoor or industrial use.<\/li> <li><strong>Zinc-nickel alloys<\/strong> \u2014 cost-efficient, compatible with steel housings.<\/li><\/ul><p> <\/p><p>For visual or corrosion protection, <a href=\"https:\/\/shengenfab.com\/en_gb\/powder-coating-steel\/\" target=\"_blank\" rel=\"noreferrer noopener\">powder coating<\/a> can still be used selectively. Engineers mask grounding pads or add conductive inserts to maintain contact zones. Some enclosures now use carbon-filled or silver-based paints to combine durability with EMI performance, especially in hybrid metal-plastic assemblies.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Assembly and Maintenance Design<\/h3><p> <\/p><p>Shielding must remain reliable through handling, assembly, and long-term service. Well-designed joints and fasteners prevent degradation caused by vibration, corrosion, or repeated access.<\/p><p> <\/p><p>Key design practices include:<\/p><p> <\/p><ul class=\"wp-block-list\"><li><strong>Beryllium-copper finger stock<\/strong> for high-cycle doors and covers.<\/li> <li><strong>Locking stainless fasteners<\/strong> to maintain torque and minimize loosening.<\/li> <li><strong>Consistent tightening torque<\/strong> to avoid warping panels or creating air gaps.<\/li><\/ul><p> <\/p><p>Factory data shows that consistent fastener torque can improve shielding repeatability by up to 10 dB across units. Such simple details ensure the final assembly performs as designed\u2014not just on paper.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Real-World Applications of EMI\/RFI Shielding<\/h2><p> <\/p><p>High-frequency electronics across various industries rely on well-designed sheet metal enclosures to remain stable and compliant. Here\u2019s how shielding appears in practice.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Electronics and Telecommunications<\/h3><p> <\/p><p>High-speed communication equipment demands uninterrupted signal integrity. Shielded sheet metal housings maintain the stability of sensitive components in the presence of constant electromagnetic activity.<\/p><p> <\/p><p>Routers, IoT gateways, and control modules utilize aluminum or copper enclosures to shield against interference from nearby transmitters. Laser-cut vents and gasketed seams allow cooling while maintaining continuity. In one telecom case, improving seam overlap reduced emissions by 35 %, enabling full EMC certification without redesign.<\/p><p> <\/p><p>As 5G networks and data centers expand, these design controls help prevent cross-talk, protect throughput, and reduce downtime caused by unseen interference.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Automotive and Transportation<\/h3><p> <\/p><p>Vehicles combine dozens of control units, sensors, and high-voltage systems\u2014all of which emit electromagnetic fields. Proper shielding ensures reliable communication and stable safety systems.<\/p><p> <\/p><p>Battery management systems, radar sensors, and motor controllers use precision-bent housings to confine electromagnetic fields. Aluminum and zinc-coated steel are commonly used because they offer a combination of conductivity, corrosion resistance, and cost efficiency.<\/p><p> <\/p><p>Seam welding and tin plating are often applied to maintain low contact resistance over millions of vibration cycles. In production tests, stainless steel or zinc-coated steel covers retained over 95% of their shielding performance after long-term thermal cycling.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Aerospace and Defense<\/h3><p> <\/p><p>Aerospace systems require lightweight, high-performance shielding that can withstand altitude, vibration, and extreme temperature conditions. Every gram counts, so the choice of material and process is critical.<\/p><p> <\/p><p>Aluminum alloys and expanded metal foils provide strong EMI protection with minimal weight. Honeycomb vent panels allow airflow while maintaining attenuation levels above 60 dB across high-frequency bands.<\/p><p> <\/p><p>Precision forming ensures perfect panel alignment and continuity of grounding. Each enclosure undergoes conductivity and resistance verification before final assembly\u2014a practice that ensures long-term reliability under harsh flight conditions.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Medical and Industrial Equipment<\/h3><p> <\/p><p>Hospitals and industrial plants are filled with electromagnetic noise. Shielding is essential to prevent signal distortion or false readings in sensitive systems.<\/p><p> <\/p><p>Medical imaging machines, monitors, and laboratory analyzers often use nickel-plated or stainless steel housings for both hygiene and shielding performance. In one hospital installation, upgrading to a continuous-ground cabinet reduced interference spikes by 70 % during operation.<\/p><p> <\/p><p>Industrial control panels are exposed to vibration, humidity, and heavy loads. Stainless steel or powder-coated aluminum enclosures combine structural strength with stable electrical continuity, ensuring long service life even in demanding environments.<\/p><p> <\/p><h2 class=\"wp-block-heading\">Conclusion<\/h2><p> <\/p><p>Effective EMI\/RFI shielding isn\u2019t just about putting electronics inside a metal box\u2014it\u2019s an engineered system that links material science, fabrication precision, and electrical design.<\/p><p> <\/p><p>Custom sheet metal fabrication enables enclosures that protect signals, manage heat, and meet exact mechanical tolerances. When planned from the start, these designs reduce test failures, lower production costs, and increase long-term reliability.<\/p><p> <\/p><p>Need help designing or fabricating shielded sheet metal enclosures? Our engineering team offers complimentary DFM reviews, material recommendations, and rapid prototyping for EMI\/RFI-sensitive components. <a href=\"https:\/\/shengenfab.com\/en_gb\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Upload your CAD file today<\/a>, and we\u2019ll help you find the most efficient way to make your design production-ready.<\/p><p> <\/p><h2 class=\"wp-block-heading\">FAQs<\/h2><p> <\/p><h3 class=\"wp-block-heading\">What is the difference between EMI and RFI shielding?<\/h3><p> <\/p><p>EMI encompasses all electromagnetic disturbances, whereas RFI refers to the higher-frequency range of the electromagnetic spectrum.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Which metals provide the best shielding?<\/h3><p> <\/p><p>Copper and aluminum are ideal for high-frequency interference; steel or Mu-metal handles low-frequency magnetic fields more effectively.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Can powder-coated enclosures still work as shields?<\/h3><p> <\/p><p>Yes, if contact areas remain conductive. Grounding pads or masked zones maintain surface continuity.<\/p><p> <\/p><h3 class=\"wp-block-heading\">How is shielding effectiveness measured?<\/h3><p> <\/p><p>It\u2019s typically measured in decibels (dB) using standardized attenuation tests across different frequency ranges.<\/p><p> <\/p><h3 class=\"wp-block-heading\">Which industries depend most on EMI\/RFI shielding?<\/h3><p> <\/p><p>Telecommunications, automotive, aerospace, medical, and industrial automation\u2014all rely on strong shielding for performance and safety.<\/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-48dfe199\" data-id=\"48dfe199\" 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-165f8653 elementor-widget elementor-widget-heading\" data-id=\"165f8653\" 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-1378f706 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"1378f706\" 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-347a47a elementor-widget elementor-widget-text-editor\" data-id=\"347a47a\" 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-3519e142 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"3519e142\" 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-43dce408 elementor-widget elementor-widget-heading\" data-id=\"43dce408\" 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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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-4a15359f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4a15359f\" 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-4a416feb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4a416feb\" 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-393b7759 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"393b7759\" 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-43667e42 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"43667e42\" 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-596f08f1\" data-id=\"596f08f1\" 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-2d248b48\" data-id=\"2d248b48\" 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-40bd69d2 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"40bd69d2\" 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-5151fb03\" data-id=\"5151fb03\" 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-19fcfc8d elementor-widget elementor-widget-image\" data-id=\"19fcfc8d\" 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-77411c52\" data-id=\"77411c52\" 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-4eaabe4a elementor-widget elementor-widget-heading\" data-id=\"4eaabe4a\" 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-553e8645 elementor-widget elementor-widget-text-editor\" data-id=\"553e8645\" 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-4424b2f6\" data-id=\"4424b2f6\" 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-7a221781 custom-ele-section-css elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7a221781\" 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-6c6744d3\" data-id=\"6c6744d3\" 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-610144cb elementor-widget elementor-widget-heading\" data-id=\"610144cb\" 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-6f41904a uael-post__link-complete-yes uael-equal__height-yes elementor-widget elementor-widget-uael-posts\" data-id=\"6f41904a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;classic_slides_to_show&quot;:4,&quot;classic_slides_to_show_tablet&quot;:2,&quot;classic_slides_to_show_mobile&quot;:1,&quot;classic_pagination_type&quot;:&quot;ajax&quot;,&quot;classic_show_filters&quot;:&quot;no&quot;}\" data-widget_type=\"uael-posts.classic\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"uael-post__header\">\n\t\t\t\t\t<\/div>\n\t\t<div class=\"uael-post__body\">\n\t\t\t\n\t\t\n\t\t<div class=\"uael-blog-terms-position- uael-post-image-top uael-post-grid uael-posts\" data-query-type=\"custom\" data-structure=\"normal\" data-layout=\"\" data-page=\"22941\" data-skin=\"classic\" data-filter-default=\"\" data-offset-top=\"30\" >\n\n\t\t\t\t\t\t\t<div class=\"uael-post-grid__inner uael-post__columns-4 uael-post__columns-tablet-2 uael-post__columns-mobile-1\">\n\t\t\t\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\/fingerprint-resistant-stainless-steel\/\" 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\/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\" href=\"https:\/\/shengenfab.com\/en_gb\/fingerprint-resistant-stainless-steel\/\" target=\"_blank\" aria-labelledby=\"uael-post-24442\">\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-24442\">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\/oem-vs-contract-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\/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 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\/setup-cost-vs-unit-cost-in-sheet-metal-manufacturing\/\" target=\"_blank\" aria-labelledby=\"uael-post-24235\">\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-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\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\/sheet-metal-feature-proximity-rules-for-reliable-forming\/\" 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\/sheet-metal-feature-proximity-rules-for-reliable-forming\/\" target=\"_blank\" title=\"Sheet Metal Feature Proximity Rules for Reliable Forming\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Sheet-Metal-Feature-Proximity-Rules.jpg\" class=\"attachment-full size-full wp-image-24163\" alt=\"Sheet Metal Feature Proximity Rules\" srcset=\"https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Sheet-Metal-Feature-Proximity-Rules.jpg 750w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Sheet-Metal-Feature-Proximity-Rules-300x200.jpg 300w, https:\/\/shengenfab.com\/wp-content\/uploads\/2026\/02\/Sheet-Metal-Feature-Proximity-Rules-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\/sheet-metal-feature-proximity-rules-for-reliable-forming\/\" target=\"_blank\">\n\t\t\t\tSheet Metal Feature Proximity Rules for Reliable Forming\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\t4 February 2026\t\t<\/span>\n\t\t\t\t<span 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aria-labelledby=\"uael-post-24157\">\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-24157\">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>Every circuit emits and receives electromagnetic energy. When uncontrolled, these signals leak through enclosures and couple into nearby components. That\u2019s electromagnetic interference (EMI)\u2014and at higher frequencies, it becomes radio frequency interference (RFI).<\/p>","protected":false},"author":1,"featured_media":22950,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[15],"class_list":["post-22941","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\/22941","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=22941"}],"version-history":[{"count":0,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/posts\/22941\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/media\/22950"}],"wp:attachment":[{"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/media?parent=22941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/categories?post=22941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shengenfab.com\/en_gb\/wp-json\/wp\/v2\/tags?post=22941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}