Sheet Metal Fabrication Guide — Processes and Tolerances：...
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<p>Sheet metal fabrication processes:</p>
<ul>
<li>Laser cutting (±0.1mm) — fast, flexible</li>
<li>CNC punching (±0.05mm) — high volume</li>
<li>Bending (±0.5°) — most common forming</li>
<li>Welding (various) — assembly</li>
<li>Surface treatment — powder coating, plating</li>
</ul><p>Full guide: https://www.mfgabc.com/guides/sheet-metal-fabrication-guide.html</p>
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<p>踩过坑的来评论区说说。</p>