Tungsten Carbide Screw-tap’ Tapping Problem and Solution III

There are some problems during the tungsten carbide screw-tap’s is tapping, involving the  broken tap when processing or retraction. Look at the followings:

1.Tungsten carbide screw-tap’s selection is incorrect; Choosing the right conditions to be processed by the tungsten carbide screw-tap.

2.Encountering the bottom of the hole during the tungsten carbide screw-tap’s is tapping; Bottom depth examination.

3.Cutting excessive torque; Tapping shorten the length; using wire-tapping spiral groove.

4.Bottom is too small; Select the bottom hole diameter according to the corresponding standards.

 

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