How many times are you calling the subroutine?

g54
call

g55
call

g56
call

...


On Fri, May 10, 2013 at 3:36 PM, Kenneth Lerman
<kenneth.ler...@se-ltd.com>wrote:

> On 5/10/2013 4:18 PM, Viesturs Lācis wrote:
> > Hello!
> >
> > Today I was helping my client to prepare a g-code for their new machine I
> > built.
> > The particular code was manually optimized for faster performance and I
> > thought that having a code for one part in subroutine and then creating
> > another file, which just moves around material and calls subroutine in
> > appropriate places would be easier than hand-optimizing one big and long
> > g-code file.
> >
> > Since I have not had any experience with subroutines so far, I looked in
> > manuals. Based on them I was able to define subroutine and call it from
> the
> > master file.
> >
> > What I do not know, how to do properly, is when the subroutine has been
> > called once and is finished, machine moves to next point to call the
> > subroutine again. How do I move subroutine's coordinate origin to the new
> > spot?
> >
> > I tried 2 things:
> > 1) G55 is specified at the beginning of subrouting file;
> > in master file I had:
> >   G21
> >   G54
> >   G40 G90
> >   G64 P0.02
> >   G0 Z15
> >   G0 x0 y0
> >   G10 L2 P2 X0 Y0 Z15
> >   o101 call
> >   G54
> >   G0 Z15
> >   G0 X0 Y200
> >   G10 L2 P2 X0 Y0 Z15
> >   o101 call
> > ....
> >
> > 2) then I tried to move G10 L2 P2 X0 Y0 Z15 to subroutine so that it is
> > done in subroutine
> >
> > Anyway, none of these 2 approaches work properly, G55 origin is not moved
> > and as soon the subroutine was called for the second time, machine
> started
> > to move somewhere. Z axis was moving down too much, so I never allowed it
> > to finish as it really seemed to be willing to crash the tool in material
> > (I tested it in the air some 100 mm above material).
> >
> > I would appreciate, if someone could share some working example of how to
> > do these things properly.
> >
> I usually just specify the coordinates as arguments to the subroutine.
> For example, if I have a subroutine that mills a circular pocket, I pass
> the center of the pocket as the first two arguments to the subroutine.
>
> Ken
>
>
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