Drill-doctor XP Manuel d'utilisateur télécharger pdf (Page 9)

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Split the point

Press Chuck slowly and firm-

ly into the Splitting Port until

it stops. Remove the chuck,

rotate one-half turn, and

repeat.

Check the tip of the bit care-

fully to determine that both

sides of the bit are split equal-

ly. Compare it to this illustra-

tion. If it does not match,

study the information below.

Identifying Correctly Split Drill Bits

(And What to Do With Those That Aren’t!)

Correctly Split

Grit Tube Attachment

The Grit Tube attach-

ment is designed to keep

any sparks caused by

sharpening safely inside

the machine and away

from you. In addition, the

Grit Tube reduces the

sharpening dust in the

air and on your work-

bench.

Simply insert the Grit Tube into the Splitting Port of your

Drill Doctor when sharpening. It will catch the grit that is

formed from the sharpening process. Clean the inside of

your Drill Doctor and the Grit Tube on a regular schedule.

The grit tube is designed to accept a standard 1-1/4" shop

vacuum for extended periods of sharpening.

Split lines are nearly straight

across.

Undersplit

Split lines do not meet

in the center but

Chisel Edge remains.

Not enough material

has been removed

from the Heel of

the drill bit.

Split Line

Solution

More grinding is needed for larg-

er drill bits. If one side of the bit

is undersplit, insert the Chuck

into the Splitting Port again and

split both sides. Push the Chuck

into the Port until it stops.

Repeat until the split sides are

equal and look like the correctly

split bit shown above.

Oversplit

Too much material

removed.

Split lines are joined

in the center and

Chisel Edge has

been removed.

Solution

Reinsert the chucked bit into the

Sharpening Port and remove

enough of the tip until the split

tip looks like the correctly split

bit above.

Splitting Port

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Drill-doctor XP Manuel d'utilisateur Page 9

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