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CNC Machining Process Planning - 25 Considerations

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