Каталог Iscar высокоточные развертки и метчики 2022 - страница 33

REAMERS USER GUIDE Troubleshooting Problem Cause Solution Hole too large • 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 • Cooling / lubrication problems • Change lubricant and increase coolant pressure dnom Hole too small • Worn reamer • Replace the reamer • Reaming allowance too small • Increase reaming allowance • Cooling / lubrication problems • Change lubricant and increase coolant pressure dnom Conical hole • Misalignment between pre hole • Re-align or use a floating reamer chuck (larger bottom) and reamer centers dnom Conical hole • Misalignment between pre-hole • Re-align or use a floating reamer chuck (larger entrance) and reamer centers • Secure the tool axially • Material jammed between reamer and hole in the upper hole section dnom Poor surface finish • Worn reamer • Replace the tool • Misalignment between pre-hole • Re-align or use a floating reamer chuck and reamer centers • Increase coolant pressure • Problems with chip evacuation • Change cutting parameters • Incorrect cutting parameters • Change cutting parameters or coolant conditions • Built-up edge 343