Full Version: Large Format CNC Engravers

From: Pedaler (ROYBREWER) [#7]
 10 Apr 2007
To: clay (CLAY_J1955) [#5] 10 Apr 2007

Clay,

My experience forces me to agree with Rodney. Routers are much better at routing than engravers. Engravers are much better at engraving than routers.

I have a MultiCAM MT22 in my warehouse with the MultiCAM engraving spindle attachment(which is certainly better than trying to engrave with the 2hp spindle!). I suspect you might be able to show me how to improve it, I've never been able to approach the quality of the smallest, lightest duty Xenetech even after slowing it down to a fraction of the speed.

From: clay (CLAY_J1955) [#8]
 10 Apr 2007
To: Pedaler (ROYBREWER) [#7] 11 Apr 2007

smacked around by the big boys......jeeez....LOL......you know those big rack driven machines, i can see see getting sloppy on small lettering but that mt22 is a ballscrew machine. Thats the same machine i work with for years. It may even be the same one....LOL. What are you driving it with Roy??. Are you and using a g-code generating software or plt files?? I think you know who i am and the kind of work i did, i do know a little bit about this stuff.

From: Pedaler (ROYBREWER) [#9]
 11 Apr 2007
To: clay (CLAY_J1955) [#8] 11 Apr 2007

Clay,

My son did some terrific 3d work on the MT22 with the original enRoute before he lost interest in it. I've never used anything but PLT files from Corel. I must say I've never done enough with it to even get comfortable.

I'd make you a deal on a an MT22 {;<)

From: clay (CLAY_J1955) [#10]
 11 Apr 2007
To: Pedaler (ROYBREWER) [#9] 12 Apr 2007

Roy
Thats your quality problem...PLT files. I think PLT files are 2 decimal place accuracy at best. I bet it looked jaggy with overshoots. I used to import xenetech files into alphcam, the software we used, converted it to g-code with excellent results. you might try that with enroute and see what happens.
I'll check with engineering about that m22

clay

From: Harvey only (HARVEY-ONLY) [#11]
 12 Apr 2007
To: clay (CLAY_J1955) [#10] Unread

I have seen PLt files with 5-7 significant figures.

It all depends on the size of the image and the software that is sending it out. Also the setting of plotter units. A small thing with a low plotter unit setting can give really bad results. Making it larger before exporting or upping the plotter units will increase the definition. I generally use the default plotter units of 1016, (I think). [Plotter units are, again I think, the steps per inch.] [Maybe the steps per plotter size, I am a bit confused on this one. I have not fiddled with the hpgl in about 20 years.]

EDITED: 12 Apr 2007 by HARVEY-ONLY

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