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CNC machining tools (such as end mills or milling cutters) leave rounded internal corners. The corner radius can be reduced by using a smaller diameter machining tool, but it requires both a smaller tool to process the material and more passes-usually at a slower speed to reduce the risk of deflection or tool breakage -Leading to more processing time.

Therefore, we recommend adding an inner corner radius of at least 1/3 of the cavity depth and using the same radius on all inner edges. This helps eliminate tool changes, which increase complexity and significantly increase runtime.

Please contact us at zhang@pride-cnc.com