GSK GSK983Ma, User Manual

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Chapter Three Programming
115
Part 1 Programming
G90 G91
Fig. 7.2.2 Absolute or increment programming
(B) The return operation is performed, the tool is returned to the point R plane or the initial level
plane which is determined by the specification of G98 or G99. Refer to the Fig. 7.2.3.
G98 G99
Fig. 7.2.3 Initial level and point R plane
The initial level does not change even when drilling is performed in the G99 mode. If the last
retraction position is point R plane, the start point is then regarded as point R. if the return position is
on the initial point plane, and the initial point is then regarded as start point.
(C) Specify a data corresponding with the drilling can be composed of a block after the G73,
G74, G76, as well as from G81 to G89. The command data is registered in the control unit by the
modal value, which the data corresponding with the canned cycle machining is specified in terms
of the following commands.
G □□ X____Y____Z____R____Q____P____F____L____
；
Hole machining mode Hole position data Hole machining data times of cycle