Beginner's Guide to CNC Lathe Programming: G71 Turning Cycle Example
Submit by: Vikram
Summary
Write the CNC lathe programming for a FANUC controlled machine using canned cycles. Take the diameter of the work piece = 30mm, depth of cut = 0.5mm, speed = 1200rpm. Assume feed and other data suitably.
Drawing/Image
CNC Program
N0 G90 F0.5 S1200 T0101 M03 N10 G00 X35 Z2 N30 G71 U0.5 R1 N35 G71 P36 Q90 U0.05 W0.05 N36 G01 X20 Z0 N50 G01 X20 Z-15 N60 G02 X25 Z-25 R15 N70 G01 X25 Z-40 N80 G03 X30 Z-50 R15 N90 G01 X30 Z-70 N100 G28 U0 W0 N110 M05 M30
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CNC Machine
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