G-Code Screw Thread Tips

In this video, Marc from GCodeTutor talks about how to program screw threads with G-Code.

He starts by discussing in depth how we program with the G76 two-line screw thread cycle, covering each word that is used and what they all mean.

The G76 also has a single-line version that some machines use to produce a thread. Marc also shows us how we write a program to use this method.

Next, we look at how to machine an internal thread and how it is different from an external thread in regards to writing the G-Code.

Left-handed threads often catch people out when it comes to writing the program, Marc shows us what we need to change to our G76 program to turn a left-handed thread instead of a right-handed one.

Finally, we are shown how to use G32 and G92 methods of screw cutting and why we would use them instead of the standard G76.

If you want any more information about these codes or other G-code information, head to
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