WIDIA - Полный каталог инструмента - 2017
Solid Carbide Drills
Troubleshooting Guide
problem
hole too big
hole too small
hole not cylindrical
для размещения заказа - zakaz@widiahanita.ru
source
cutting conditions
solution
• Check cutting values, increase cutting speed, or reduce feed.
clamping chuck
• Check clamping accuracy and torque transmission. Use hydraulic
clamping chuck or high-precision chucking system.
wrong drill
• Check drill diameter. Please note that drills are ground to a positive
tolerance. Check concentric running.
insufcient coolant
cutting conditions
wrong drill
clamping chuck
• Check cooling lubricant. In the case of internal coolant supply,
increase coolant pressure. In the case of external coolant supply,
adjust positioning of coolant jet. Cool from both sides.
• Decrease feed; increase speed.
• Check cutting-edge diameter.
• Check clamping accuracy and torque transmission. Use hydraulic
clamping chuck or high-precision chucking system.
workpiece movement
wrong drill
cutting conditions
• Stabilise workpiece chucking and check stability of machine tool.
• Check drill type and drilling depth.
Use longer drills.
• Reduce feed at entry.
T148
zakaz@widiahanita.ru
www.widiahanita.ru