how do you use this to in your program and can some please explain what they mean.
how and what does it mean H0 and D0 in you program.
I think H means you tool offset so should I write the tool  number  I am using or shoul I leave at 0?
For D should I put the tool diameter?
can someone please explain how to use this two
I would greatlly appreciated

thank you

H0 & D0 should be more like H1 D1 and are used along with G41, 42 & 43

G43 H1 sets the tool height offset to offset 1 in the tool table. Hnn can be in the range of 1 to 254

G41/42 D1 tells tool compensation to use diameter offset 1 from the tool table to adjust the tool path by the rad of that tool offset.

Graham

So does that mean if i am using tool #2
I should put H2.  D2 on my program
Thanks for the reply

That would be the sensible thing to do but you can use any offset with any tool.