GSC GS-29, Operation Manual

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(continued from previous page)
Slot of clamping nut
Parallel
Cutting edge
Web thickness
Fig. 8-4 Fig. 8-5
※
If the drill's cutting edge is not parallel to the slot of the clamping nut, adjust the scale
and reposition the drill. (Fig. 8-6)
Slot
Increase the scale
Slot
Decrease the scale
Fig. 8-6
※
The drill's web thickness is thicker than original after re-sharpening many times,
the scale should be increased until the cutting edge is parallel to the slot.
※
You could also choose to use the parallel alignment device to check the parallelism.
(See chapter “ XI. The use of the Parallel Alignment Device ”)
※
Make sure the positioning result is correct before starting the grinding procedure.
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