Multi-Axis Toolpaths for Mastercam 2018



Taught by Master CNC Instructor, Colin Gilchrist, this course on Multi-Axis programming will introduce the student to both 4 and 5 Axis machining concepts.

Class Dates:
January 9, 11, 16, 18

Class Times:
Eastern Time 7:30 – 9:30 pm
Pacific Time 4:30 – 6:30 pm

Space is limited so Sign up today!



We will begin with programming a 4 Axis part using Rotary Axis positioning. We will look at Rotary Axis positioning for both Vertical and Horizontal machines. After discussing 4th Axis positioning, we will then work through an example of a simultaneous 4th axis toolpath. For 5 Axis we start with 3 +2 positioning, which is still the main 5 Axis technique used for 5 Axis. After positioning is addressed, we use the Curve, Swarf, and Flow 5X Toolpaths to machine a variety of 5 Axis parts. After completing this course you should have a basic understanding of both 4 and 5 Axis toolpath creation.

Topics Covered

  1. 4th Axis Setup
  2. 4th Axis Positioning – VMC
  3. 4th Axis Positioning – HMC
  4. Work Offsets: center of rotation or multiple offsets?
  5. Simultaneous 4th Axis Toolpaths
  6. 4th Axis Wrapping: Contour, Pocket, 2D Dynamic
  7. Multi-Axis Rotary (4th Axis) Toolpath.
  8. 5 Axis Setup
  9. 5 Axis Machine Types: Trunnion, Head/Table, Gantry
  10. 5X Curve Toolpath
  11. Swarf Toolpath
  12. Flow 5 Axis
  13. Tilting + Lead/Lag
  14. Fanning
  15. Chain Synchronization
  16. Lead In/Out
  17. Collision Options: Tilt Away
  18. 4/5 Axis Programming considerations
  19. Understanding Vectors
  20. Advanced Multi-Axis Toolbox: Introduction to ModuleWorks
  21. Simulation
  22. Post Processing


Colin Gilchrist is Technical Director at eapprentice, previously he worked as post processor developer for CNC Software, the makers of Mastercam; he has worked as a CNC programmer at Boeing and as a Mastercam Instructor and trainer.


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