G83 Normal Peck Drilling Canned Cycle (Group 09)

Classic Control - Lathe Operator's Manual

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G83 Normal Peck Drilling Canned Cycle (Group 09)

*C - C-Axis absolute motion command (optional)
F - Feed Rate in inches (mm) per minute
*I - Size of first cutting depth
*J - Amount to reduce cutting depth each pass
*K - Minimum depth of cut
*L - Number of repeats
*P - The dwell time at the bottom of the hole
*Q - The cut-in value, always incremental
*R - Position of the R plane
*W - Z-axis incremental distance
*X - X-axis motion command
*Y - Y-axis motion command
Z - Position of bottom of hole

* indicates optional

G83 Peck Drilling Canned Cycle: [1] Rapid, [2] Feed, [3] Start or end of stroke, [4] Dwell, [#22] Setting 22, [#52] Setting 52.

note: If I, J, and K are specified, a different operating mode is selected. The first pass will cut in the value of I, each succeeding cut will be reduced by amount J, and the minimum cutting depth is K. Do not use a Q value when programming with I,J, and K.

Setting 52 changes the way G83 works when it returns to the R plane. Usually the R plane is set well outside the cut to insure that the chip clearing motion allows the chips to clear the hole. However, this is wasted motion when first drilling through this empty space. If Setting 52 is set to the distance required to clear chips, the R plane can be put much closer to the part being drilled. When the clear move to R occurs, the Z will be moved past R by this value in Setting 52. Setting 22 is the amount to feed in Z to get back to the same point at which the retraction occurred.

% o60831 (G83 NORMAL PECK DRILLING) ; (G54 X0 is at the center of rotation) ; (Z0 is on the face of the part) ; (T1 is a drill) ; (BEGIN PREPARATION BLOCKS) ; T101 (Select tool and offset 1) ; G00 G18 G20 G40 G80 G99 (Safe startup) ; G50 S1000 (Limit spindle to 1000 RPM) ; G97 S500 M03 (CSS off, spindle on CW) ; G00 G54 X0 Z0.25 (Rapid to 1st position) ; M08 (Coolant on) ; (BEGIN CUTTING BLOCKS) ; G83 Z-1.5 F0.005 Q0.25 R0.1 (Begin G83) (BEGIN COMPLETION BLOCKS) G00 G53 X0 M09 (X home, coolant off) ; G53 Z0 M05 (Z home, spindle off) ; M30 ; %
% (LIVE PECK DRILL - AXIAL) ; T1111 ; G98 ; M154 (Engage C-Axis) ; G00 G54 X6. C0. Y0. Z1. ; G00 X1.5 Z0.25 ; G97 P1500 M133 ; M08 ; G83 G98 C45. Z-0.8627 F10. Q0.125 ; C135. ; C225. ; C315. ; G00 G80 Z0.25 ; M155 ; M135 ; M09 ; G28 H0. (Unwind C-Axis) ; G00 G54 X6. Y0. Z1. ; G18 ; G99 ; M01 ; M30 ; %

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.