3 G/M Codes
3 - 67
3. G84 Z(W ) __ Q__ R___ F__ D2
(1) Z W Position of hole bottom is specified by an absolute or incremental
value (Z-direction)
(2) D=2 Threading of third spindle end face
(3) Other parameters are the same as above
G84 and G80 are used in pairs. If G80 is missing, program will report an Err18.
G84 Z-axis application example:
N10 M70 third spindle switched as servo-spindle mode
N20 T1
N30 G0 X-20.C0.
N40 Z3.
N50 G84 Z-20.F1.R2.D2
N60 C60.
N70 C120.
N80 G80
N90 M71 third spindle switched back to main spindle mode
N100G0 Z20.
N110 M2
G84 X axis application example:
N10 M60 Second spindle switched as servo-spindle mode
N20 T1
N30 G0X5.C0.
N40 Z3.
N50 G84U-10.F1.R4.D1
N60 C60.
N70 C120.
N80 G80
N90 M61 Second spindle switched back to spindle mode
N100 M02
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