Re: [CAD_CAM_EDM_DRO] Re: Indexer LPT..........true plt arcs???

Fred......... by the way, I am a user/owner of your Vector Cam, I use it to
generate G code for my other cnc machine, but did not know one could use it
also for a hpgl type controller. Now, how would I go about generating the
cam file, do you have a special driver for this?

Thanks,
Russ

----- Original Message -----
From: IMService <imserv@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Friday, April 19, 2002 6:41 AM
Subject: [CAD_CAM_EDM_DRO] Re: Indexer LPT..........true plt arcs???


> > Date: Thu, 18 Apr 2002 20:52:28 -0700
> > From: "RC" <asdf@...>
> >Subject: Indexer LPT..........true plt arcs???
>
> >does anyone
> >know of a conversion program, the changes the code to true arcs in the
> >PLT language? Or a reasonable priced cad program, that has the PLT
filter
> >as an export, that uses true arcs?
> >
>
> Try out Vector Cad (nearly free to group participants). While it appears
to
> also send out linear approximations with the HP7475 plotter driver, you
> can control the order and direction of cutting within the plot file. It is
the
> same as the selection order and direction in VectorCad.
>
> I tested one of the arcs to check the accuracy.
>
> On an arc with a .8 radius over 180 degrees, Vector generated 45 x-y
pairs.
> I drew this shape with the arc and the lines and measured the maximum
> distance between the arc and the little chords. Maximum error distance
> was .00061 inch.
>
>
> Best Regards, Fred Smith- IMService
>
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