G99 Canned Cycle R Plane Return (Group 10)

Next Generation Control Mill Operator's Manual

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Using G99, the Z-Axis will stay at the R plane between each X and/or Y location. When obstructions are not in the path of the tool G99 saves machining time.

G99R Plane Return. After the first hole, the Z Axis returns to the R plane position [G99] and moves to the second hole position. This is a safe move in this case because there are no obstacles.

% O69899 (G98/G99 INITIAL POINT & R PLANE RETURN) ; (G54 X0 Y0 is top right corner of part) ; (Z0 is on top of the part) ; (T1 is a drill) ; (BEGIN PREPARATION BLOCKS) ; T1 M06 (Select tool 1) ; G00 G90 G17 G40 G49 G54 (Safe startup) ; G00 G54 X1. Y-0.5 (Rapid to 1st position) ; S1000 M03 (Spindle on CW) ; G43 H01 Z2. (Tool offset 1 on) ; M08 (Coolant on) ; (BEGIN CUTTING BLOCKS) ; G81 G99 X1. Z-0.5 F10. R0.1 (Begin G81 using G99) ; G98 X2. (2nd hole and then clear clamp with G98) ; X4. (Drill 3rd hole) ; (BEGIN COMPLETION BLOCKS) ; G00 Z2. M09 (Rapid retract, Coolant off) ; G53 G49 Z0 M05 (Z home, Spindle off) ; G53 Y0 (Y home) ; M30 (End program) ; %

This command changes how the F address is interpreted. The value of F indicates inches per revolution of the spindle when Setting 9 is set to INCH, while F indicates millimeters per revolution of the spindle when Setting 9 is set to MM.

Be aware: Many service and repair procedures should be done only by authorized personnel. The service technicians at your Haas Factory Outlet (HFO) have the training, experience, and are certified to do these tasks safely and correctly. You should not do machine repair or service procedures unless you are qualified and knowledgeable about the processes.

Danger: Some service procedures can be dangerous or life-threatening. DO NOT attempt a procedure that you do not completely understand. Contact your Haas Factory Outlet (HFO) and schedule a service technician visit if you have any doubts about doing a procedure.