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Thanx Ken. That sounds like a great last resort.

Has anyone tried an extruded aluminum base? I have seen them used on other CNC systems.
This seems like something that could work well. No idea the cost tho.

Looking for recommendations.

I have a very large shopbot with a vacuum setup that I need to be as close to flat as is possible. The cutting surface is about 110" x 300". On the frame is a layer...

So that has not solved the issue. Looking more closely I have noticed three separate errors. "Unexpected Return Fault", "Stop button hit", and the complete shutdown. I have been able to duplicate...

Yesterday I unbolted the control box from the frame and set it on some plastic 4x4s to isolate it from the frame. Then I ran a ground wire from one of the legs to the conduit of the incoming 3-phase...

Thanks again guys. Jeff's suggestions are giving me some confidence in grounding properly. Will report back soon.

Shayne

This technique sounds like too much fun to not try even if I can solve this issue without it!

I want to ask something that may seam obvious. Everything in the box is ground to the ground rod in the box and the box is mounted to the frame. All of this should run back to the AC power, right? So...

I have tried hitting the E-Stop and sometimes the software shuts down there also. This leads me to believe the box or software is seeing the E-Stop is being pressed. The E-Stop is mounted on a small...

Packet ET is between 15 and 19.

I do not see any error logs in the event viewer.

I have swapped out the usb cable. Should I try any other cables?

I really appreciate all the feedback. Thank you.

Grounding looks to be the next step. I haven't had this issue in the past so I figured it was grounded properly all these years, but maybe I need...

If anyone is still reading this. I switched out the control PC with another control PC that normally runs another shopbot PRS Alpha and I still have the shutdown issue.

Well, the software continues to shut down. I will try swapping out the PC today.

I have not changed out that PC yet. I have an update but I am unsure how conclusive it is. I was examining the Yaskawa VFD for unrelated issues and found that one of the three phase wires going to...

The control computer stays on. The Shopbot software closes out.

This is a brand new pc and I have three more exactly like it so i have not really considered it to be the issue, but I will start looking into that in the morning. Thank you for the new direction.

We have always had ghosts in the machine but this one is a bit too consistent. We cut a flexible PVC all day everyday. On our older table(6' X 16' PRS Alpha circa 2007) we cut border so it has the...

So we ran over the coiled wire for the zzero plate a while back and now we'd like to replace it. I'm sure I could ask Shopbot but they have much more important matters to attend to:). Does anyone...

We have it reasonably close to straight. Our material is flexible so we keep it aligned with the x-axis and we are good to go. If we cut out anything rigid we have no problems cutting within a 4' X...

I've been a long time lurker here and I thought it was time to introduce myself. My name is Shayne and I have been working with Shopbots for almost a decade.

We started with a little 4' X 8' (PR...

Well looks like there are a few still out there. Thanks guys

Is the blower still available? Color me interested.

Do these vacs still exist?? I have two a one has finally stopped working after 9 years. I would love to get a couple more, but I cannot find them anywhere.