Hole Finishing
Reamer Custom Solution Capabilities
(continued)
Problem
Conical hole profi le wider at drill entry point
Surface quality does not meet specifi cation
Feed grooves
widia.com
Cause
Possible Remedy
1. Reaming tool running out of centre.
2. Slanted cutting surface/asymmetrical
cutting.
3. Workpiece twisted. • Use equalising adaptor.
• Spot face as drilling preparation.
• Take the direction of impact
into account when clamping the
workpiece.
1. Tool cutters worn.
2. Reaming tool running out of centre.
3. Incorrect technology data
(cutting parameters).
4. Inadequate chip evacuation. •
•
•
•
•
1. Built-up edge. • Change cooling lubricant.
• Change cutting speed.
Use equalising adaptor.
Re-align, use fl oating head.
Change cooling lubricant.
Change cutting speed.
Measure reamers and
send for repairs.
W33
Reamer Troubleshooting