A15-SUP_US-EN

DRILLING |

: Solid Carbide Drilling Solutions ®

Troubleshooting Guide

A

Use Through Tool Coolant

Increase

Decrease

Increase

Change Point Angle

Align / Repair Spindle

Shorten Flute Length

DRILLING

Coolant Pressure

Coolant Flow

Feed Rate G Speed G Feed Rate A G Speed G

B

Problem

Condition

Lack of Drill Rigidity Improper Cutting Parameters

Excessive Margin Wear Cutting Edge Chipping Chattering/Vibration Built-up Edge D Chipping of Point

B

Decrease Tool Life

BORING

Long Chips Chip Packing Blue Chips

Evacuation C

Poor Chip

Workpiece Deflection Bell Mouth Oversized Hole Undersized Hole Hole Leadoff Workpiece Burning Tool Deflection Harder Materials Retract Spiral Exit Burr

C

Hole Form

REAMING

Performance

: Primary solution : Secondary solution

D

BURNISHING A : Do not reduce feed rates below threshold of good chip form B : Run coolant through tool when drilling greater than 3xD. C : Add peck cycle to help clear chips D : Ensure coolant quality with regular maintenance free of swarf G : Refer to speed and feed chart

E

THREADING

X

SPECIALS

IMPORTANT: Factory technical assistance is available for your specific applications through our Application Engineering department. ext: 7611 | email: appeng@alliedmachine.com

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