M-Series Operator’s Manual 4/9/15
G76 – Fine Bore Cycle
WARNING!!! G76 requires that the machine be capable of orienting the spindle and that a custom M19
macro is present in order to command the inverter to orient the spindle. Please contact your dealer to
confirm that your machine meets these requirements before attempting to use this cycle.
Format G76 X__ Y__ Z__ R__ Q__
R = Point R Q = Distance to pull away from wall in Y+ direction at bottom of hole.
Example:
G76 X1 Y1 Z-3 R.1 Q.2 ; Bore hole at X1 Y1 retract .2 in Y+ direction
Y10 ; ... and another one at X1 Y10
G80 ; cancel canned cycles
G81 - Drilling and Spot Drilling
G81 is a general purpose drilling cycle. The hole is drilled in a single feedrate move, and then the tool is retracted
at the rapid rate.
Example:
G90 ; Absolute positioning
G01 X3.00 Y1.50 Z.5 ; G01 mode before canned cycle
G99 ; Set for R point return
G81 X3.250 Y1.75 Z-.650 R.1 F3 ; Drill at X3.25 Y1.75
X4.5 Y3.5 ; Drill at X4.5 Y3.5
G80 ; Cancel canned cycle, return to G1
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