G83 Normal Peck Drilling Canned Cycle (Group 09)

Classic Control - Mill Operator's Manual

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F - Feedrate
*I - Size of first peck depth
*J - Amount to reduce peck depth each pass
*K - Minimum depth of peck
*L - Number of holes if G91 (Incremental Mode) is used, also G81 through G89.
*P - Pause at end of last peck, in seconds (Dwell)
*Q - Peck depth, always incremental
*R - Position of the R plane (position above the part)
*X - X-Axis location of hole
*Y - Y-Axis location of hole
*Z - Position of the Z-Axis at the bottom of hole

* indicates optional

If I, J, and K are specified, the first pass will cut in by the amount 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.

If P is specified, the tool will pause at the bottom of the hole for that amount of time. The following example will peck several times and dwell for 1.5 seconds:

G83 Z-0.62 F15. R0.1 Q0.175 P1.5 ;

The same dwell time will apply to all subsequent blocks that do not specify a dwell time.

G83 Peck Drilling with I, J, K and Normal Peck Drilling: [#22] Setting 22.

Setting 52 changes the way G83 works when it returns to the R plane. Usually the R plane is set well above the cut to ensure that the peck motion allows the chips to get out of the hole. This wastes time as the drill starts by drilling empty space. If Setting 52 is set to the distance required to clear chips, you can set the R plane much closer to the part. When the chip-clearing move to R occurs, Setting 52 determines the Z-Axis distance above R.

G83 peck Drilling Canned Cycle with Setting 52 [#52]

% O60831 (G83 PECK DRILLING CANNED CYCLE) ; (G54 X0 Y0 is at the top-left of part) ; (Z0 is on top of the part) ; (T1 is a 0.3125 in. stub drill) ; (BEGIN PREPARATION BLOCKS) ; T1 M06 (Select tool 1) ; G00 G90 G40 G49 G54 (Safe startup) ; G00 G54 X2. Y-2. (Rapid to 1st position) ; S1000 M03 (Spindle on CW) ; G43 H01 Z0.1 (Activate tool offset 1) ; M08 (Coolant on) ; (BEGIN CUTTING BLOCKS) ; G83 Z-0.720 Q0.175 R0.1 F15.(Begin G83) ; (Drill 1st hole at current X Y location) ; X2. Y-4. (2nd hole) ; X4. Y-4. (3rd hole) ; X4. Y-2. (4th hole) ; (BEGIN COMPLETION BLOCKS) ; G00 Z1. M09 (Rapid retract, Coolant off) ; G53 G49 Z0 M05 (Z home, Spindle off) ; G53 Y0 (Y 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.