Page 125 - MILLING CATALOG p319-550

Tangential entering by arc (recommended) USER GUIDE THREAD MILLING TOOLS

The tool enters the material in an arc movement. 1
At the end of the thread, the tool also extends in DC
an arc movement from the material. This method is
recommended because the cutter gradually enters the
material and the load on the tool increases gradually.

Internal Threading

DW DC 2
13
64

5

External Threading

2

DW 3
4

5

DW - Workpiece diameter
DC - Cutter Diameter
1-2: Rapid approach
2-3: Tangential entry by arc
3-4: Helical movement during one full orbit (360°)
4-5: Tangential exit by arc
5-6: Rapid return

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