Example 6: TNC with G94 Modal Rough Turning Cycle

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This example is TNC with a G94 modal rough turning cycle.

TNC G94 Rough Turning Cycle

Operation Tool Offset Tool Nose Radius Tip
roughing T1 01 0.032 3

Setting 33: FANUC

% o30941 (TNC WITH G94 MODAL TURNING CYCLE) ; (G54 X0 is at the center of rotation) ; (Z0 is on face of the part) ; (T1 is an OD cutting tool) ; (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 X3.1 Z0.1 (Rapid to 1st position) ; M08 (Coolant on) ; G96 S200 (CSS on) ; (BEGIN CUTTING BLOCKS) ; G94 G41 X1.0 Z-0.5 K-0.577 F.03 (Begin G94 w/ TNC) ; Z-0.6 (Optional additional pass) ; Z-0.7 (Optional additional pass) ; (BEGIN COMPLETION BLOCKS) ; G00 G40 X3.1 Z0.1 M09 (TNC off, coolant off) ; G97 S500 (CSS off) ; G53 X0 (X home) ; G53 Z0 M05 (Z home, spindle off) ; 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.

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