Общий каталог Widia 2017

problem	increase m/min	reduce m/min	increase chip load	decrease chip load where failure occurs	use tougher carbide grade	use harder carbide grade	apply coolant	possi use coated carbide	ble sol use topping insert	ution change infeed angle	check for insert movement and reseat	reduce tool overhang	reselect shim	apply chipbreaker style	reduce DOC	adjust centre height	begin cutting threads 12mm before workpiece	change infeed method
chatter	�			�							�	�				�		�
bur on crest	�								�									�
short tool life		�	�	�		�		�										�
chipped leading edge			�	�	�
chipped trailing edge					�					�
broken nose (fi rst pass)	�														�	�
broken nose (after fi rst pass)				�	�					�			�					�
built-up on cutting edge	�		�				�	�										�
premature topping													�
splitting threads																	�
poor chip evacuation														�				�

Общий каталог Widia 2017 - страница 681