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V1.0
Magnetic Drilling and Tapping Press
9027525
Visit www.princessauto.com for more information
23
Excessive cutter
breakage
1.
Steel swarf or dirt
under cutter
2.
Incorrectly re-
sharpened or
worn cutter
3.
Cutter skipping
4.
Slide needs
adjustment
5.
Cutter not
attached tightly to
arbor
6.
Insufficient use of
cutting oil;
unsuitable type of
oil
7.
Incorrect speed
1.
Remove cutter and clean
thoroughly
2.
Always have instructions
and new cutter on hand
to refer to for correct
tooth geometry
3.
See Care & Maintenance
section
4.
Tighten grub screws
supporting the slide
5.
Adjust set screws and
lubricate
6.
Inject light oil into the
coolant inducing ring
check that oil is being
metered into the cutter
when pilot is depressed.
If not, check the pilot
groove and arbor
internally for dirt or
apply oil externally
7.
Ensure correct gear is
used for the cutter
Excessive cutter wear 1.
See Care &
Maintenance
section
2.
Incorrectly re-
sharpened cutter
3.
Inconsistent
cutting pressure
1.
Always have instructions
and new cutter on hand
to refer to for correct
tooth geometry
2.
Sharpen or replace
3.
Use sufficient, steady
pressure to slow the drill
down, which will result in
optimum cutting speed
and chip load