G248 Radial Bore and Dwell and Manual Retract Canned Cycle (Group 09)

Classic Control - Lathe Operator's Manual

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C - C-Axis absolute motion command
F - Feed Rate
P - The dwell time at the bottom of the hole
R - Position of the R plane (Diameter)
*X - Position of bottom of hole (Diameter)
*Y - Y-axis absolute motion command
*Z - Z-axis absolute motion command

* indicates optional

This G code stops the tool at the bottom of the hole, and dwells with the tool turning for the time designated with the P value. At this point the tool is manually jogged out of the hole. The program continues when CYCLE START is pressed.

% o62481 (G248 RADIAL BORE, DWELL, MANUAL RETRACT) ; (G54 X0 Y0 is at the center of rotation) ; (Z0 is on the face of the part) ; (T1 is a boring tool) ; (BEGIN PREPARATION BLOCKS) ; T101 (Select tool and offset 1) ; G00 G18 G20 G40 G80 G99 (Safe startup) ; G98 (Feed per minute) ; M154 (Engage C Axis) ; G00 G54 X5. Y0.125 Z-1.3 (Rapid to 1st position) ; P500 M133 (Live tool CW at 500 RPM) ; M08 (coolant on) ; (BEGIN CUTTING BLOCKS) ; G248 X2.1 Y0.125 Z-1.3 C35. R4. P1. F20. ; (Bore to X2.1) ; X1.85 Y-0.255 Z-0.865 C-75. (next position) ; (BEGIN COMPLETION BLOCKS) ; G00 Z1. M09 (Rapid retract, coolant off) ; M155 (Disengage C Axis) ; M135 (Live tool off) ; G53 X0 Y0 (X & Y Home) ; G53 Z0 (Z Home) ; M30 (End program) ; %

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.