Re: Now for a change of pace: PlasmaCAM
Posted by
afogassa
on 2006-09-01 18:18:39 UTC
--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Dennis Schmitz"
<denschmitz@...> wrote:
torch won't hold that( repeat it) as the tip wears out prety fast.
It's dificult to get a large machine built out of square tubes
strait all the way withing that 0.0005".
The positioning carriages should not be part of the cutting table.
the one I've built has step motors and rack and pinion, and a long
shaft across the table driving both sides of the table.
Fogassa.,
<denschmitz@...> wrote:
>me
> All of this talk of water jet cutters and occasionally lasers led
> to this website.of
>
> http://www.plasmacam.com/
>
> Apparently you're supposed to buy your own plasma torch, but in any
> case, it's a very spartan design of an xy table with a little bit
> z. They claim accuracy of 0.0005 in the xy, making me curious howthey
> built the actuators and bearings. Getting both ends to movetogether
> on the first axis seems an issue -- maybe a rod with rack andpinion
> at both ends would work if you could get rid of the backlash.Yeah, you can build it to do 0.0005" but the problem is that the
>
> Notice that almost all the structural elements are bent sheet metal
> and the cable holder saves a bunch of expense from using a flexible
> wiring channel.
>
> A small handheld plasma torch is a bit expensive at $1500, but it's
> way cheaper than a laser.
>
torch won't hold that( repeat it) as the tip wears out prety fast.
It's dificult to get a large machine built out of square tubes
strait all the way withing that 0.0005".
The positioning carriages should not be part of the cutting table.
the one I've built has step motors and rack and pinion, and a long
shaft across the table driving both sides of the table.
Fogassa.,
Discussion Thread
Dennis Schmitz
2006-09-01 11:50:25 UTC
Now for a change of pace: PlasmaCAM
caudlet
2006-09-01 17:29:08 UTC
Re: Now for a change of pace: PlasmaCAM
afogassa
2006-09-01 18:18:39 UTC
Re: Now for a change of pace: PlasmaCAM
Jon Elson
2006-09-01 20:03:39 UTC
Re: [CAD_CAM_EDM_DRO] Now for a change of pace: PlasmaCAM
turbulatordude
2006-09-01 23:47:55 UTC
Re: Now for a change of pace: PlasmaCAM
Ron Yost
2006-09-02 11:29:57 UTC
Re: [CAD_CAM_EDM_DRO] Re: Now for a change of pace: PlasmaCAM
Jon Elson
2006-09-02 19:22:56 UTC
Re: [CAD_CAM_EDM_DRO] Re: Now for a change of pace: PlasmaCAM
caudlet
2006-09-03 08:29:57 UTC
Re: Now for a change of pace: PlasmaCAM