On 11/21/2014 06:40 AM, Jeff Johnson wrote:
> This is a question for people using LCNC on larger machine tools. We have
> been patiently waiting for jog while paused and it does not look like we are
> getting it anytime soon. My question is how are others working around this?
> For instance I am working on a job machining gears with hardened teeth and
> we have to remove .250 form one face, roughing insert lasts about 2/3 of the
> way through the roughing program and we have to rotate the insert. Feed hold
> leaves us in a position too close to the part to change the insert. Our only
> solution is to exit program and move tool away to rotate insert and restart
> program from the beginning and cut air until we get back into the cut. We
> try to run from line but even if we call constant surface feed in our MDI
> spindle start the spindle runs at the cap RPM.
>
>
>
> Jeff Johnson
>
> john...@superiorroll.com
>
> Superior Roll & Turning
>
> 734-279-1831
>
> Hi Jeff,
It might be easier to fix the run from line than get the jog while
paused.
Arriving at the proper setting for start from line is a matter of
scanning
all the code up to the restart and setting the parameters
correctly. I did this for tkemc years ago but naturally the code has
disappeared and I'm not at all
certain I could recreate it. Basically it has to do with setting
all the codes before
the restart that are modal. eg. build a small program that used
gcode to set
the parameters, stream all the remaining code to a temp file. Cat
the parameter
gcode to the front of the tmp file and run as a program. Not
exactly elegant but
it does work.
Hope you didn't get too bored reading this.
As for axis I have no idea what their internal approach is.
Dave
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