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Course 04

CNC fundamentals

Understand axes, work zero, clearance, cutter shapes, tool-length measurement and entry motion before choosing settings for your own machine and workholding.

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5 lessonsAbout 25 min
Understand axes, work zero, clearance, cutter shapes, tool-length measurement and entry motion before choosing settings for your own machine and workholding.
Understand axes, work zero, clearance, cutter shapes, tool-length measurement and entry motion before choosing settings for your own machine and workholding.

Inside this course

  1. 01

    Understand axes and work zero

    Connect the drawing coordinates to the stock and the machine.

    5 min
  2. 02

    Understand safe clearance

    See why the cutter lifts before travelling across the stock.

    4 min
  3. 03

    Recognise the main cutter shapes

    Compare flat end mills, ball noses and V-bits and find their measured geometry.

    5 min
  4. 04

    Change a bit and measure its length

    Watch a short bit leave the collet, fit a longer bit and measure it on a fixed bit setter.

    6 min
  5. 05

    Compare plunge and ramp entry

    Read the difference between vertical entry and descending along a path.

    5 min

Every lesson is available without an account.