CNC 4th Axis Demonstration: Variable Helix

Demonstration of machining a variable helix on a Haas MiniMill2 CNC with a HA5C rotary indexer.
Modeled with SolidWorks and CAM generated using HSMWorks. 3D Adaptive (trochoidal high-efficiency machining) and 2-D Contour toolpaths.
1" OD 6061-T6 Aluminum, 1/8" flat endmill, 1/4" chamfer endmill
Portions of the video are 10x speed.