Specifications

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CONCISE GUIDE FANUC 97
EXAMPLEOF PIECE EXCHANGE WITH COUPLE REDUCTION
….(Machining side spindle)
M10 (Spindle and back spindle rotation with open jaws enabling)
M269 (Confirm opening jaws of back spindle)
G97 S500 M4 (Spindle rotation for synchronism)
M71 (Synchronism between spindles in speed and phase enabling)
G0 B- (Back spindle positioning at one mm from the quote of piece exchange)
G65 P9200 Q5020 B-4 ( Couple reduction at 20% on B axe enabling with explorative run of 4 mm, the
reduction can change from 20 to 50%
M268(Closing back spindle jaws)
G4 U0.3 (Time of pause for piece exchange)
M69 (Opening jaws spindle)
G94 (Enabling feed in mm/min)
G91 (Enabling movement incremental co-ordinates)
G1 B3 F200 (Incremental displacement of B axe of 3 mm)
G90 (Recall of absolute movement co-ordinates)
G65 P9200 Q 5100 (recall nominal couple)
G0 B0 (Positioning back spindle for further machining)
M72 (Synchronism between spindles not enabled)
G95 (Recall feed in mm/turn)
M11 (Spindle and back spindle rotation with open jaws not enabled)
…. (Machining side back spindle)