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Thanks Ray. My work envelope at one shot is rarely over 6" anyway. Would that justify .001 screws and anti-backlash? I'd like to be accurate over 6" within a couple thou if practical. Final goal

from for Ah, I think get it. If I went the adjusting nut route, I would thread both ball nuts into the center coupling nut then mount just one of the ball nuts to the bed attaching where the

OUCH, $85.00 each for the scales?? Guess I might not get more from them..... Here is the text from them when I ordered back in January: They are 12.5 Cycles Per mm scales that you could piece end

Hello, I was told the same thing. It's actually the 12.5CPMM scales I have but the 25CPMM modules somehow double the resolution?! I eventually had to specifically ask for the scales that matches

natchamp_87 wrote: It is an attractive price and machine size. In fact I might be interested. They are made in China, however. That may be a downside against which one could compare those made in

I'm still in the process of deciding what mill to get for my retrofit project, burning lots of midnight oil on the net. I came across this

gittt2000 wrote: Well, yes, in $100,000 CNC machining centers, no argument! Notice, though, that the graphs are in uM units, the ballbar plots are 5 uM/division! To be of much use, the linear

While the linear encoders may be better for the purposes of this list I think the question is really: 1 - Is my machine such that I would notice any difference? 2 - Even if I could notice a difference

tmartin23 wrote: Series II specs : Height 92.75" with 4J head and rigid ram Depth 76.25" Width 79.75" Weight 4750 Lbs These are for the manual machine, so the depth and width may be

Did anybody else get the advert from cncsimulator.com offering a free 'hobby' version of their 3-D program, as a download? Anybody try it yet? I'll foreward the ad sent to me to the list, if it's

Mine is not a rigid ram, but the style that allows the head to tilt side to side. It is about 94" to the top of the motor. 84" sounds more like a series I. There are pictures of the machine at

Any plasma cutter and torch you select follow the recommendations Peter from prenolds@... , sent to me. "If you believe that you may automate your plasma cutting at some point, you must

Is anyone in the CCED group using: 1)a combo of DeskWinNC & Rutex servo drivers? or 2)Rutex servo drivers? Can you pls give me some feedback on these products. btw, if this is off topic, pls email me

http://206.19.206.56/dan_mauch_encoder_mount.htm is the url for the linear encoders. I don't think it showed how I mounted the mylar strip in the 1X2 rectangular tubing. Bascially, I used double sided

Been there and done that. I used the 5" version from harbor freight for around 60.00 I had to take a lot of slop out of the drive mechanism and made some stepper motor mounts. I install Torrington

Matt: Thats probably the system my dad saw at Lockheed (one of his friends works for Lockheed in a machine shop and my dad asked him for advice on my DRO idea), it was a brand new CNC mill, just

Roger: The strip has to be seperated from any support by a fraction of an inch (1/4" I think), as the encoder surrounds the strip on three sides (as it uses light passed through the strip to read the

Thank you. Alex

OK, thank you.

Hello, I am using linear strips/encoders from www.encodertech.com. The encoder and strips are about the same price as the US Digital stuff and comes in a 0.01mm resolution which is about 0.0004".