GSK980MDc Milling CNC System User Manual
72
I Programming
Note: Because the radius compensation setting and canceling of the above program are done in the subprogram,
the whole workpiece will be over cut if B-type tool starting and retraction of radius compensation C mode is
used. In order to compensate the whole rotated workpiece figure with radius compensation function when the
above program is in execution, please set state parameter NO.002 SUP to 0, otherwise, above mentioned
effects will not be achieved.
3.24 Compound Cycle Command
3.24.1 Brief for Canned Cycle
Generally, the canned cycle is a machining movement completion from one block with G function to the
completion of multi-block specified. Canned cycles make it easier for the programmer to create programs.
With a canned cycle, a frequently used machining operation can be specified in a single block with a G
function; without canned cycles, multiple blocks are needed, and canned cycles can shorten the program to
save memory.
3.24.1.1 Canned cycle list
G
codes
Drilling
Operation at the
bottom of a hole
Retraction Application
G73
Intermittent
feed
── Rapid feed High-speed peck drilling cycle
G74 Feed Dwell, spindle CCW Feed Left-hand tapping cycle
G76 Cutting feed Spindle orientation Rapid feed Finishing boring cycle
G80 ── ── ── Canned cycle cancellation
G81 Feed ── Rapid feed Drilling, point drilling
G82 Feed Dwell Rapid feed Drilling, boring, counter boring
G83
Intermittent
feed
── Rapid feed Peck drilling cycle
G84 Feed Dwell, spindle CW Feed Tapping
G85 Feed ── Feed Boring
G86 Feed Spindle stop Rapid feed Boring
G88 Feed Dwell, spindle stop manual Boring
G89 Feed Dwell Feed Boring
G110
Intermittent
feed
Full-circle helical
rough milling
Rapid feed
Round groove internal rough
milling CCW
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