System information

SECTION FOUR - PREPARATORY FUNCTIONS (G CODES)
Feedrate may need adjustment for proper operation of the tap holder. If the tap is pulled too far
in the holder, feedrate should be increased. If the tap is pushed into the holder, feedrate should be
decreased.
Boring cycle (G85)
G85 G98/G99 Z___ R____ F___
The G85 command specifies the boring cycle. At each axis position this cycle will do the
following.
1. Rapids to point R
2. Feeds to point Z
3. Feeds to point R
4. Rapids to initial point if specified by the G98 code
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