In today's vocational training, we learned about the return point of the fixed cycle, where many mistakes were made in drilling.
What is a drilling and fixing cycle?
The drilling cycle is a fixed cycle that simply specifies the hole position and drills the same hole.
Its format is as follows. The program is fanac.
G-G-Z-R-F-K-.
First G: G98 (initial point return) G99 (R point return)
Second G: Hole processing mode (G81~89) In this case, G81 was used.
Z: Hole depth
R:R point
F: Feed speed
K: Keep K0.
As you can see in the image, point R is the point where the drilling shifts from fast forwarding to cutting feed.
Use initial point return and R-point return.
One of the teams that I conducted the exercise with used all initial point returns.
By using the G99 R-point return, the return point is closer, thus reducing machining time!The following is a list of the most common problems with the
Please refer to the program I have created in this issue, which uses R-point return!
Chinese
Comment