Каталог Tungaloy глубокое сверление 1 - страница 20

Tr o u b l e s h o o t i n g for insert damages Examples of trouble with cutting edge 4. Crater wear 1. Chipping, fracture 2. Flaking 5. Initial chipping 3. Flank wear Problem Cause Solution Grade Cutting conditions / other 1. Chipping, - Excessive vibration or impact - Use a tough grade - Reduce the feed rate fracture - Torn away built-up edge - Eliminate the vibration 2. Flaking - Excessive vibration or impact - Use a tough grade - Reduce the feed rate - Eliminate the vibration 3. 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 4. 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 5. 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 020 www.tungaloy.com