Общий каталог Yamawa 2021 - страница 706

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Prevent clogging of chipsChippi Prevent excessive cutting torqueng Improve tapping methodTapTapping o Prevent clogging of chipsperation TapSP
∙ Use workpiece material which has regular structure and hardness.SL
∙ Pay attention to tapping position and material thickness.∙ If possible, use fi ner pitch length.i tap or shorter tappingPO
∙ Provide deeper tapping hole (blind hole).∙ Provide bigger bored hole. ∙ Prevent work hardening.∙ Prevent slanting of holes.∙ Provide bigger bored holes. ∙ Provide deeper tapping hole (blind hole).ST
∙ Provide countersinking onhole entrance.ROLL
∙ Avoid inconsistent feed.
∙ Use tapping holder with torque limiter.∙ Prevent centering-off with workpiece. ∙ Prevent vibration of tap. ∙ Use fl oating type holder.∙ Prevent centering-off with workpiece. ∙ Prevent vibration of axis of tap. ∙ Use fl oating type holder.CARBIDE LONG
∙ Reduce cutting speed.∙ Reduce cutting speed.
∙ Use lubricant which prevents cold welding.∙ Check the viscosity.HAND TAPS
∙ Remove unncessary chips during tapping. ∙ Provide bigger space for chip disposal.∙ Remove unnecessary chi ∙ Provide bigger space forps during tapping. chip disposal.EG (STI) SPECIAL THREADS
∙ Use PO tap (through hole). ∙ Use SP tap (blind hole). ∙ Use roll tap.∙ Use PO tap (through hole). ∙ Use SP tap (blind hole). ∙ Use roll tap., GAUGES THREAD
∙ Provide bigger chip room.∙ Change material of tap. ∙ Provide smaller cutting angle. ∙ Provide proper hardness.∙ Provide bigger chip room ∙ Reconsider length of cutt ∙ Use oil hole tap. ∙ Provide shorter thread le. ing chamfer. ngth to tapMILLS DIES
∙ Reconsider length of cuttin ∙ Use set tap (Serial or conve ∙ Adjust relief angle on cuttig chamfer. ntional). ng chamfer..CENTER
∙ Be careful about burning during re-sharpeningDRILLS