now we share Analysis of common issues in Gun Drill Tool, please read below.
Issue: Chipping Causes:
1. Inconsistent feed rate, with feed being too low.
2. The workpiece material has internal defects that cause impact force.
3. The cutting edge is rough or severely worn.
4. The chip space is too small, causing poor chip evacuation.
5. Vibration, instability of the machine tool or instability of the clamped components.
6. The carbide tip is too short.
Problem: Built-up edge of Gun Drill Tool
Cause:
1. Inappropriate type of coolant.
2. The feed rate is not constant and is too high.
3. The spindle speed is suitable for the material characteristics.
4. The cutting tool is worn and rough.
5. Workpiece material.
6. The cross-sectional shape of the drill bit is not suitable or the drilling angle is not appropriate.
Problem: Overheating of drill bit of Gun Drill Tool
Cause:
1. Insufficient flow of cooling fluid.
2. The feed rate is too high.
3. The spindle speed is too high.
4. Insufficient chip space in the chip groove, leading to poor chip evacuation.
5. The cooling system is under pressure and the coolant temperature is too high.

