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Gear planing

Chip-breaking process where gears are planed using cutters shaped like the tooth space.

Beskrivning
Illustration of Gear planing

The process

The rack form cutting tool is moved back and forth along the axial gear periphery while the tool slowly moves towards the center until the gear teeth form is achieved. The tool distance to the axis is maintained while the tool continues to oscillate and move along the workpiece tangent while the workpiece is slowly rotated.

Advantages and disadvantages
In comparison with alternative methods
Uses cutting tool with only one contact
Inner shapes can be created by using a special extension tool
Slow method