Каталог Tungaloy глубокое сверление 2 - страница 25
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Каталог Tungaloy глубокое сверление 1
Tro u b l e s h o oting fo r tip wear
Examples of trouble with cutting edge
4. Crater wear
2. Flaking
1. Chipping, fracture
5. Initial chipping
3. Flank wear
| Problem | Cause | Sol | ution |
| Grade | Cuttingconditions / other | ||
| Chipping, fracture | - Excessive vibration or impact - Torn away built-up edge | - Use a tough grade | - Reduce the feed rate - 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 - Inadequate tool toughness | - Use a grade with high wear resistance - Use a coated grade | - Reduce the cutting speed - Reduce the feed rate - Use coolant properly |
| Crater wear | - Cutting speed too high - Feed rate too high - Inadequate tool toughness | - Use a grade with high wear resistance - Use a coated grade | - Reduce the cutting speed - Reduce the feed rate - Use coolant properly |
| Initial chipping | - Inappropriate guide bush or pilot hole - Misalignment | - Use a tough grade | - Adjust or change the guide bushing or pilot hole - Reduce the feed rate - Correct the misalignment |