CNC Machining Guides For Buyers And Engineers
Tolerances, materials, finishes, DFM, and what to put on a drawing before you send it. Written from the shop floor, for people who have to sign off on parts.
No Guides Here Yet
This topic is still being written. If there is something specific you need answered before you send a drawing, ask Owen directly.
Chat With OwenThe Guides Are General. Your Drawing Is Not.
Reading about tolerances is one thing, knowing whether yours adds cost is another. Send the STEP or PDF with the material and quantity, and Owen comes back within 24 hours on business days with a price, a lead time, and DFM notes written for that exact part.
Send Your Drawing, Get A Quote In 24 Hours
A STEP, IGES, or PDF file with the material, quantity, and the tolerances that matter is enough to start. You get a price, a lead time, and manufacturability feedback from a real person, not a bot.
Owen Lan
Sales, Zhongjiecheng Auto
Replies within 24 hoursEvery message from this page reaches me directly. If a guide raised a question about your own part, send the drawing and ask it. I answer with how we would run it and what it costs.
Prototypes and production runs both welcome. Tolerances, finishes, inspection records, and packing are confirmed before you pay a deposit.
Owen Lan
Sales, Zhongjiecheng Auto CNC Machining
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