Каталог Iscar высокоточные развертки и метчики 2022 - страница 33

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Troubleshooting

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