Hole Finishing
Reamer Custom Solution Capabilities
Reamer Troubleshooting
Problem
Hole diameter too large
Cause
Possible Remedy
1. Reaming tool running out of centre.
2. Concentricity of pilot hole and ream
machining unsatisfactory.
3. Built-up edge.
4. Unsuitable cooling lubricant.
5. Reaming tool diameter too large. •
•
•
•
•
Use equalising adaptor.
Re-align, use fl oating head.
Change cooling lubricant.
Change cutting speed.
Measure reamers and
send for repairs.
1. Reamer worn.
2. Unsuitable cooling lubricant.
3. Reaming allowance too small. • Replace and refi t tool.
• Change cooling lubricant.
• Increase reaming allowance.
1. Concentricity of pilot hole and
reaming unsatisfactory.
2. Positioning accuracy of pilot hole
to reaming. • Re-align, use equalising adaptor.
• Correct positioning accuracy.
1. Concentricity of pilot hole and
reaming unsatisfactory.
2. Reaming tool skim cutting
with ledger. • Re-align, use fl oating head.
• Securely clamp reaming tool axially.
Nom diameter
Hole diameter too small
Nom diameter
Conical hole profi le wider towards drill runout
Nom diameter
Conical hole profi le wider at drill entry point
(continued)
W32
widia.com
Nom diameter