Page 706 - Iscar

USER GUIDE
REAMERS Troubleshooting

Problem
Cause
Solution
• Reamer or pilot hole not centered • Use a floating reamer chuck or correct pilot hole
• Reamer too large • Check size of reamer and correct if necessary
Hole too large • Cooling / lubrication problems • Change lubricant and increase coolant pressure
dnom
• Worn reamer • Replace the reamer
• Reaming allowance too small • Increase reaming allowance
Hole too small • Cooling / lubrication problems • Change lubricant and increase coolant pressure
dnom
• Misalignment between • Re-align or use a floating reamer chuck
pre hole and reamer centers
Conical hole
(larger bottom)
dnom
• Misalignment between • Re-align or use a floating reamer chuck
Conical hole pre-hole and reamer centers • Secure the tool axially
(larger • Material jammed between reamer
entrance) and hole in the upper hole section
dnom
• Worn reamer • Replace the tool
• Misalignment between • Re-align or use a floating reamer chuck
Poor surface pre-hole and reamer centers • Increase coolant pressure
finish • Problems with chip evacuation • Change cutting parameters
• Incorrect cutting parameters • Change cutting parameters
• Built-up edge or coolant conditions

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