There are a few easy steps you can take to optimize your designs for computer numerical control (CNC) machining. By following design-for-manufacturing (DFM) rules, you can get more out of CNC machining's broad capabilities. This can be challenging though, as industry-wide specific standards do not exist.
In this article, we offer a comprehensive guide to the best design practices for CNC machining. To compile this extensive up-to-date information, we asked for feedback from industry experts and CNC machining service providers. If you are optimizing for costs, check out.
CNC machining is a subtractive manufacturing technology. In CNC, material is removed from a solid block using a variety of cutting tools that rotate at high speed—thousands of RPM—to produce a part based on a CAD model. Both metals and plastics can be CNC machined.
CNC-machined parts have high dimensional accuracy and tight tolerances. CNC is suitable for both high-volume production and one-off jobs. In fact, CNC machining is currently the most cost-effective way of producing metal prototypes, even compared to 3D printing.
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