RE: [CAD_CAM_EDM_DRO] EMC Continuous Contouring

on 2001-08-03 22:16:06 UTC

Jon - more details near your questions below.

-----Original Message-----
From: elson@... [mailto:elson@...]On
Behalf Of Jon Elson
Sent: Friday, August 03, 2001 9:42 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: [CAD_CAM_EDM_DRO] EMC Continuous Contouring

andy@... wrote:

> Finally have the huge old electric eye burning machine at work
> converted. ( BDI EMC, Gecko G340s, Dan Mauch's motors and control box)
>
> It moves - Yeah!
>
> Now I am trying to do some test circles and have a 4 quadrant
> circular move program:
>
> G90 G64 G20 G40
> N10 G01 X0.3686 Y1.1320 Z0.5000
> N20 Z0.0000
> N30 G03 X3.4236 Y4.1870 I0.0000 J3.0550
> N40 X0.3686 Y7.2420 I-3.0550 J0.0000
> N50 X-2.6864 Y4.1870 I0.0000 J-3.0550
> N60 X0.3686 Y1.1320 I3.0550 J0.0000
> N70 G00 Z0.5000
> M05
> %
>
> This program pauses at the end of each quadrant, which is no good for
> a flame cutting machine. I have G64 turned on for continuous cutting
> mode.

I notice you have never set a feedrate (Fnnn) anywhere in the program.
That is pretty odd, but I guess there is a default feedrate set at startup.
That could be a cause of the problem. When you say it pauses, do you
mean you have to hit a key to manually continue, or that there is a
hesitation,
and then it continues the move? How do you start the program? With
the R key while in AUTO mode? (The S key steps through the program
one block at a time.)

Jon

I must have edited the program on the machine to add the feed.
By pause, I meant hesitation, but enough to ding the cut. I was starting
with the R key.

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