552 Каталог SUMITOMO 2015 Режущий инструмент и инструментальная оснастка Стр.548

Каталог SUMITOMO 2015 Инструмент и оснастка Стр. 548 0552 ENG Lab2u

Technical Guidance Troubleshooting for Technical Guidance Turning Troubleshooting for Turning Failure Cause Countermeasures Tool Edge Failure Flank Wear (Si Grade lacks wear resistance. Rake angle is too small. Cutting speed is too fast. Feed rate is far too slow. Select a wear-resistant grade. P30 P20 P10 K20 K10 K01 Use an insert with a larger rake angle. Decrease the cutting speed Increase feed rates. Crater Wear K1 MU Grade lacks crater resistance. Rake angle is too small. Cutting speed is too fast. Feed rate is too fast. Depth of cut is too large. Select a crater-resistant grade. Select a grade with a smooth coating. Use an insert with a larger rake angle. Select an appropriate chipbreaker. Decrease the cutting speed Reduce feed rates and depth of cut. Chipping / Grade lacks toughness. Insert falls off due to chip build-up. Cutting edge lacks toughness. Feed rate is too fast. Depth of cut is too large. Select a tougher grade. P10 P20 P30 K01 K10 K20 Select a more adhesion-resistant grade. Coated carbide or cermet grades. Increase amount of honing on cutting edge. Reduce rake angle. Reduce feed rates and depth of cut. Fracture Grade lacks toughness. Cutting edge lacks toughness. Holder lacks toughness. Feed rate is too fast. Depth of cut is too large. Select a tougher grade. P10 P20 P30 K01 K10 K20 Select a chipbreaker with a strong cutting edge. Select a holder with a larger approach angle. Select a holder with a larger shank size. Reduce feed rates and depth of cut. Built-up Edge Inappropriate grade selection. Dull cutting edge. Cutting speed is too slow. Feed rate is too slow. Select a grade with less affinity to the work material. Coated carbide or cermet grades. Select a grade with a smooth coating. Use an insert with a larger rake angle. Reduce amount of honing. Increase cutting speeds. Increase feed rates. ’lastic Deformatior Grade lacks thermal resistance. Rake angle is too small. Cutting speed is too fast. Feed rate is too fast. Depth of cut is too large. Not enough cutting fluid. Select a thermal-resistant grade. Use an insert with a larger rake angle. Decrease the cutting speed Reduce feed rates and depth of cut. Supply appropriate amount of coolant. Notch Wear jV,. Grade lacks wear resistance. Rake angle is too small. Cutting speed is too fast. Feed rate is too fast. Depth of cut is fixed. Select a wear-resistant grade. P30 P20 P10 K20 K10 K01 Select a grade with a smooth coating. Use an insert with a larger rake angle. Decrease the cutting speed Reduce feed rate. Alter depth of cut to shift the notch location. 548