Sharpening Bits Of Different Lengths And Diameters - DRILL DOCTOR 350X Guia Del Usuario

Problem
Heel same height or higher
than the cutting edge
Cutting Edge
Heel
Relief Angle
Problem
Bit backing out or
slipping out of the
jaws when you are
sharpening
Sharpening Bits of Different
Lengths and Diameters
Drill Bits Of Different Sizes
Too many rotations of a small-diameter bit may result in
incorrect sharpening and too few on a large bit may not
sharpen enough.
• 3/32-inch bits—use 2 to 4 half-turns,
• 1/8-inch bits—use 4 to 6 half-turns,
• 3/8-inch bits—use 16 to 20 half-turns.
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Cause
Bit is misaligned or the Cam
failed to stay in contact with
the Cam Guide during sharp-
ening.
Solution
Carefully repeat the alignment
and sharpening procedure,
making sure to use light pres-
sure to keep the Cam in contact
with the Cam Guide during
sharpening.
Cause
Too much pressure during
sharpening, dirty Chuck, or
Chuck not tightened enough.
Solution
Use just enough pressure to
keep the Cam in contact with
the Cam Guide. If the bit con-
tinues to slip, clean the Chuck
as described on Page 17.
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