GSC GS-29, Руководство по эксплуатации

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XI. The use of the Parallel Alignment Device
Align the parallel device with the two slots of the
clamping nut, then connect them as shown in
the picture on the right.
Verify the parallelism of the drill’s cutting lip with
the flat figure of the hole on the parallel device.
Incorrect
Decrease
the scale
Correct
Cutting lip parallel
Incorrect
Increase
the scale
XII. The use of Metal Shims
There are 3 pieces metal shims as standard accessories.
● 2 pieces of 0.1 mm metal shims.
● 1 piece of 0.3 mm metal shim.
Align the hole of the shim to the pin on the web thinning
grinding shelf then put it on as shown in the picture on the right.
Adding one shim of 0.1 mm will expand 0.2 mm of the point size,
adding 0.3 mm shim will expand 0.6 mm of the point size and so on.
Tip of drill without thinning,
use only the cutting lip
grinding shelf to sharpen
this form. Web thinning made by normal
grinding procedure without
adding metal shims.
Point size: 0.2 mm - 0.4 mm Web thinning result with
metal shims.
Point size: 0.4 mm or bigger
depend the shims added
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