Universal Optical Drill Grinder
Operator's Manual Issue 06/01 Rev 02
29
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Either: deviations according to Fig. B:
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Slacken locknut on dressing diamond
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Turn diamond by 1/8 turn ccw
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Tighten locknut on dressing diamond
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Adjust grinding wheel
-
Regrind drill
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Or: deviations as shown in Fig. C:
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Slacken locknut on dressing diamond
-
Turn diamond by 1/8 turn cw
-
Tighten locknut on dressing diamond
-
Adjust grinding wheel
-
Regrind drill
If there are still deviations outside tolerances,
reproduce the factory adjustment.
See section on
Reproducing the factory adjustment
on page 30.
Only perform work with machine at
standstill
Maintenance
Adjusting cutting edge geometry
The machine is adjusted at the factory so that the
cutting edge between the primary cutting angle and the
secondary clearance angle runs precisely across the tip
of the drill (Fig. A).
If, after a first grind, this edge does not run as shown
in Fig. A, reset the grinding wheel against the stop and
regrind the drill.
See the section on
mounting grinding wheel
on page
23.
If this defect is not removed in this way, it can be
corrected as follows: