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PROBLEM SOLVING
Milling problems are often caused by one or more of the follow-
ing factors, which should be carefully checked in a systematic
and logical manner.
Speeds and Feeds
for recommendations.
Coolants
Seek advice from your supplier.
Cutter Selection
Always select the correct type and quality of cutter to suit the
application.
Arbors
Straightness/runout/size/wear/damage
Bushing-wear/damage.
Re-sharpening
Clearance angles.
Runout
Burning/overheating
Surface finish
Milling Machines
Slides and gib strips
Lead screws and nuts
Backlash elimination
Attachments
Defective workheads
Worn tailstocks
Worn centres
