Gcode help

[ynneb]

What would be the Gcode to move an axis 100mm in a positive direction from where ever it is. I dont mean a Gcode telling the axis to go to a set spot like "G0z100" I mean a code that will say move 100 from where ever you are now. Is this possible?

[rmtucker]

Try

G91 G0 Z100
G90

This just tells the machine to make an incremental move (g91).
Dont forget to switch back to absolute (g90)

Mark

[ynneb]

Thanks 4 that.

[tex]

U and W commands (incremental) could be useful. For example:

G00 U-1.8 W-3.1

means that the tool should move -1.8 along the X axis and -3.1 along the Z axis (inches or mm) from the point where the tool was before the execution of the command.

[ger21]

I don't think Mach2 supports this, though.

[tex]

Sorry, I really had no idea...

[ynneb]

Hey Tex, I guess I should have mentioned Mach2 in the question.
I think Ger must have already known thats what I use.
Thanks for your contribution though.

[tex]

It's OK....you're welcome...

[mold tech]

I was wondering if someone cold give me a list of g codes that will work on a bandt I control and tell me how to set the fixture offsets, i am familiar with coversational programming but not g code any help would be greatly appreciated