A milling cutter usually refers to a multi-edge cutting tool with the shape of a solid of revolution, and the cutting teeth arranged either on the periphery or on an end face or on both. Generally, the quality of the surfaces machined by milling is superior to that of drilling.Ĥ. The permissible cutting speeds and feeds for milling are three to four times higher than those for drilling.ģ. Milling operations can be utilized to create flat, contoured, and helical surfaces, for thread and gear cutting, and more purposes.Ģ. Drilling or CNC drilling is a machining process used to produce a through or blind hole in a workpiece. Then how to distinguish between drilling and milling, what are the exact difference between them?ġ.Capabilities. CNC milling and drilling are two widely used subtractive machining processes that creating the desired part through removing materials.
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