Machining.Blog® is a weekly blog focused on manufacturing career development. It features blog articles on the fundamentals of manufacturing for aspiring machinists. Our goal is to create an interest in manufacturing in the USA. Our writer Matthew Schowalter has worked in manufacturing for 24 years, and he covers the topics that matter to someone starting their career in manufacturing.

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CNC Machining Process Planning - 25 Considerations

CNC Machining Process Planning - 25 Considerations

Matthew Schowalter, CMfgT
CNC Machining, CNC Programming, Machining, Machinist

When planning a CNC machining process there are many considerations and options to choose. From cutting tool selection to cutting parameters, the choices have a major effect on the end results. Here is what it might take to define a CNC toolpath:

  • Job Name

  • Part Number

  • Part Revision

  • Stock Size X

  • Stock Size Y

  • Stock Size Z

  • Material

  • Work / Fixture Offset

  • Programming Operation Name

  • Cutting Tool Type

  • Cutting Tool Diameter

  • Cutting Tool Corner Radius

  • Cutting Tool Flute Length

  • Cutting Tool Shoulder Length

  • Number of Flutes on a Cutting Tool

  • Cutting Tool Speed

  • Cutting Tool Feed Rate

  • Ramp Entry Feed Rate

  • Plunge Entry Feed Rate

  • Stepover in X/Y

  • Stepdown in Z

  • X/Y Stock Allowance

  • Z Stock Allowance

  • The Maximum Depth of the Toolpath

  • The Cycle Time

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