Tool breakage during advance or return
BACK
| Possible causes | Solution |
| tapping size hole too small | observe tapping size hole dia. acc. to DIN 336 or respective standards |
| teeth of chamfer lead overloaded | - longer chamfer lead (blind or through hole) - increase no. of teeth of chamfer lead by increasing no. of flutes - apply tap sets |
| tap hits bottom of tapping size hole | - check hole depth - apply tension/compression tap chuck |
| - lack of or incorrect chamfer of tapping size hole - postional or angle error of tapping size hole |
- correct chamfer angle of tapping size hole - ensure correct tool clamping - apply floating tap holder - check core drill |
| - tool hardness not suitable for the application - cutting edge geometry not suitable for the application |
apply suitable tap for the individual application |