Programming Manual

LNC-MILLG76 Fine Boring CycleG76 Fine Boring CycleCommand FormatG76 X__ Y__ Z__ R__ P__ Q__ K__ F__;Argument Instruction• X__Y__Coordinate of hole position (mm).• Z__Coordinate of hole bottom (mm).• R__Coordinate of R point (i.e. retraction point) (mm).• Q__Offset of hole bottom (mm), and the migration direction is set by systemparameter #0121.• K__Times of iterations.• F__Feedrate (G94 mm/min) (G95 mm/rev).Action Instruction (taking G17 plane for example)1. Fast position to the hole position (X, Y, yet maintain the original height oftool);2. Fast position to the coordinate of R point (R);3. Cut to the hole bottom position (Z) with specified cutting feedrate androtation speed of spindle;4. If P is specified, dwell at the hole bottom position for specified time;5. Spindle stops, execute M19 to do spindle positioning;6. Tool migrates, the migration distance is set by argument Q, and themigration direction is set by parameter #0121;74 LNC Technology Co., Ltd.