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Who has experience with using the g540's two extra outputs?

My machine is using the 4 motor outputs for x, y, slaved y, and z axis. I'm curious if I can wire my laser and relay up to the 1A...

It's been about a year and a half since I got my CNC set up and tuned... recently the hard drive on that computer died, and I was dumb and didn't back any of it up.

MY SETUP
-I have a Gecko...

Hey, I have been operating my machine for several months with (little to) no issues. The other day I had multiple occasions where during machining I would get "External E-stop requested" and I'd have...

The only odd thing is that I didn't install Mach3 when I built this machine, I ran it for months beforehand with all my files in inches. Doesn't matter what happened I guess.

I may switch back,...

I got it all worked out yesterday, I guess the .xml changed the native units to mm. I just re-generated the g-code in mm format and was able to get a nice looking part from it! Thanks.

Wish I...

I see. I have much more learning to do. Thanks Gerry.

So G90 is what I want. I zero it right at the origin of the part, then load G-code, and all of a sudden the display changes so it's not zero'd...

After reading up on G-code for awhile it seems to me that the "G90" on the first line may be better if changed to "G91".... If I'm reading this right, G90 references absolute coordinates, whereas the...

Can G-Code affect this setting? I've had Mach3 installed for several months now, running in inches. When I open Mach3 everything works perfect, jog 6 inches and the machine tells me 6.00". Then I...

Hey everyone! I basically built a CNC recently, it consists of:

8020 frame (1530)
Steel rails with extended linear carriages from cncrouterparts.com
R&P system from cncrouterparts for X&Y axes...

I just ordered a rack and pinion kit from cncrouterparts.com and I don't have any experience with ballscrews. That being said though I think these from the same site are designed to fit together very...

After more thought I'm leaning towards salvaging the z-azis assembly, driver and steppers. The rest of the machine (frame, linear carriages, R&P gear) should come out to about $1100 then. Here's a...

Thanks for the info! I primarily want to be able to cut wood (Maple/Popular/Pine) at reasonably fast speeds and lengths up to 6'. 100 ipm is achievable, no? I'm pretty sure I'll go with r&p for the...

So, I have a 2'x3' DIY machine that was built by somebody, sold to my friend, and then finally purchased by me. Here's a link to my model

I'm looking to expand the size to 2'x6' but right now the...

Thanks for the replies guys. I talked to another guy who said I should be able run anywhere from 150-500 ipm while cutting this out of vertically laminated plywood. Should be able to do it in an hour...

Any progress on this build?

Hey guys, I'm trying to get into using a CNC for a hobby. Primarily to make molds for snowboards and longboards, as well create templates and make the final cuts.

Here is the CNC I will be using:...