Обший каталог Yamawa 2016 - 2017 - страница 851

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25. 25. Trouble Shooting

Prevent clogging of chipsChip Prevent excessive cutting torqueping Improve tapping methodTapTapping Prevent clogging of chipsoperation Tap
●Use workpiece material which has even structure and hardness.�Pay attention to tapping position and material thick- ness.●If possible, use finer pitch tapi or shorter tapping length.
Provide deeper tapping hole (Blind hole).�Provide bigger bored hole. ●Prevent work hardnening.●Prevent slanting of holes.�Provide bigger bored hole. �Provide deeper tapping hole (Blind hole).
●Provi●Avoid inconsistent feed. �Use tapping holder with torque limitter. de countersinking on hole the en●Prevent centering-off with workpiece. ●Prevent vibration of axis of tap. ●Use the tap holder of floating type. trance.●Use the tap holder of floating type. ●Prevent vibration of axis of tap. ●Prevent centering-off with workpiece.
●Reduce cutting speed.●Reduce cutting speed.
●Use the other cutting oil which prevent cold welding.●Check the viscosity.
●Remove unnecessary chips during tapping. ●Provide bigger space for chip disposal.●Remove unnecessary chips d ●Provide bigger space for chipuring tapping. disposal.
●Use PO taps (Through hole). ●Use SP taps (Blind hole). ●Use Roll tap.●Use PO taps (Through hole). ●Use SP taps (Blind hole). ●Use Roll tap.
●Provide bigger chip room.●Be careful about burni ●Reconsider length of c ●Use set tap(Serial or co ●Adjust relief angle onng during re-sharpening. utting chamfer. nventional). cutting chamfer.●Change material of tap. ●Provide smaller cutting angle. ●Provide proper hardness.●Provide bigger chip room. ●Reconsider length of cutting �Use oil hole tap. ●Provide shorter thread lengtchamfer. h to tap.