
CNC Machining Tolerances: What You Must Know
Most people don’t think cnc machining tolerances can cause big trouble. I didn’t either. Not until I got my first prototype back. It looked okay.
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Most people don’t think cnc machining tolerances can cause big trouble. I didn’t either. Not until I got my first prototype back. It looked okay.

I’ve seen parts come off a CNC machine that look flawless, until they don’t fit. That’s what happens when you assume “machined” means “precise.” That’s

A design lead once told me they picked injection molding for a pilot run because it “felt more professional.” The irony? They only needed 200

I remember the first time I ordered a CNC part. I asked for a smooth finish. But when the part arrived, it had rough lines

I remember watching an EDM machine for the first time. It didn’t cut. It didn’t grind. It just… sparked. There was no contact. No noise.

I’ve tried manual machining. Casting. Injection molding. Each one worked—for a while. Until parts came back warped or delivery ran late. Eventually, I realized the

I used to think milling and grinding were just two words for the same thing. Maybe you’ve thought that too. Back when I first started

Grinding. Polishing. I used to hear those terms used like they meant the same thing. Back then, I didn’t question it. I just assumed finishing

A startup once approached us after their previous supplier delayed a CNC prototype by three weeks, which meant they missed their product launch window. You
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