If you have spent some time on cnc machine with fanuc control in cnc machine workshop, then you might surely have used G72 Canned Cycle Facing and cnc turning cycle G71.
Because cnc cycle programming in fanuc cnc control is just easy.
Why do we use cnc cycles read pros and cons of cnc programming cycles. In this post I am going to elaborate the use, and programming of the G72 Canned Cycle Facing on Fanuc cnc control.
For Fanuc G71 turning cycle read this article about G71.
Fanuc cnc control is widely used, no doubt one of the most favorite cnc control of cnc programmers, due to its ease of programming and durability.
N5 G00 X65 Z42 N6 G72 W2 R2 N7 G72 P8 Q9 U0 W0 F0.3 N8 G00 Z30 N9 G01 X20
Here are all the parameters for G72 Canned Cycle Facing
First CNC Block of G72 Canned Cycle Facing
W Depth of cut.
R Return value after a cut is complete.
Second CNC Block of G72 Canned Cycle Facing
P Contour start block number.
Q Contour end block number.
P & Q The cnc program blocks between the P block number and Q block number will be repeated until the end dimension is not met.
U Finishing allowance in x-axis.
W Finishing allowance in z-axis.