Каталог Tungaloy глубокое сверление 2 - страница 25

Tr o u b l e s h o o t i n g for tip wear Examples of trouble with cutting edge 4. Crater wear 2. Flaking 1. Chipping, fracture 5. Initial chipping 3. Flank wear Problem Cause Solution Grade Cutting conditions / other Chipping, fracture - Excessive vibration or impact - Use a tough grade - Reduce the feed rate - Torn away built-up edge - Eliminate the vibration Flaking - Excessive vibration or impact - Use a tough grade - Reduce the feed rate - Eliminate the vibration Flank wear - Cutting speed too high - Use a grade with high wear - Reduce the cutting speed - Inadequate tool toughness resistance - Reduce the feed rate - Use a coated grade - Use coolant properly Crater wear - Cutting speed too high - Use a grade with high wear - Reduce the cutting speed - Feed rate too high resistance - Reduce the feed rate - Inadequate tool toughness - Use a coated grade - Use coolant properly Initial chipping - Inappropriate guide bush or - Use a tough grade - Adjust or change the guide pilot hole bushing or pilot hole - Misalignment - Reduce the feed rate - Correct the misalignment Tungaloy 25