Tungsten Carbide Screw-tap’ Tapping Problem and Solution I

It often occurs some problems when the tungsten carbide screw-tap’s is tapping, involving the thread is too large. There are several factors in the followings:

1.Tungsten carbide screw-tap’s selection is incorrect;

2.Eccentric Bottom;

3.Nonuniform axial feed;

4.Tungsten carbide screw-tap’s tolerance wrong choice;

5. Cutting speed is too high.

There are the solutions in the followings:
           
1.Choosing the right conditions to be processed by the tap

2.Tapping float switch / improvement Bottom

3.Tapping float switch / improvement tools

4.Reducing the number of tungsten carbide screw-tap’s chip flutes, flute expand capacity chip space;

5.Reduce cutting speed.

 

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