Just got a hardinge (Bridgeport) EZ Vision CNC mill with a broken controller. Convert to manual or try to fix controller?

P-Ritch

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Hi all,

I just bought a big Sharp VH-3 mill from a nearby shop trying to make space. I thought the deal was too good to be true and they sweetened it further by adding an EZ Vision with a broken control box for only $500 more.

When I say broken control box, it is completely dismantled with wires hanging out. They gave me all the parts to it, like the screen, motherboard, button panel, etc in a separate box.

Does anyone have direct experience with these mills? I figure I'll try plugging everything back together and see if I can at least get it to turn on. At that point I'm going I can get some customer support from hardinge. The operator at the shop said he wanted to keep it and believed he could get it working, but the management seemed reluctant to sink any more resources into it.

If that fails, my original plan was just to convert it to a regular manual Mill. Here is the list of what I think will be required for that:

1) I assume it has ball screws and nuts and will need to revert back to the old style. This will be the biggest effort, along with removing the servos.

2)I'll need knobs and handles for the tables.

3) manual quill housing accessories like the knob, depth gauge, etc

4)then I may need to change to the simple on off power switch as this seems to run all power through the pendant on the control box.

Am I missing anything else obvious?

Once I get it in my garage, I may try posting a WTT ad for anyone up for the challenge of building their own control system. Then we could just do a straight trade/swap servos and boxes for manual handles and dials and both be happy.

I appreciate any and all input, thanks!
 

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Well, I don't know what an Ez vision is, but it looks like you have the basis for a nice CNC machine there if you upgrade the electronics and software.
Being an electrical type guy that's what I would do.
Fun project!
 
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I was thinking of doing what you want to do once , but I didn't . Mainly because "Z" had no lever to control the quill . For the Bridgeport I think I see you still have that , I wonder if you could turn the servos into power feeds ? Anyhow have a blast .
Good luck , Mark .
 
Well, I don't know what an Ez vision is, but it looks like you have the basis for a nice CNC machine there if you upgrade the electronics and software.
Being an electrical type guy that's what I would do.
Fun project!
Yeah, everything hardware wise seems solid and in good condition, just no controller. Doing some more research today I found that hardinge no longer produces or supports the EZ Vision systems, but there are some companies that make new controllers specifically for this setup. The couple I saw were called centronics and machmachine. I'll need to do some more digging to see how they interface.

It'll be a stretch for me, but a worthwhile experience I'm sure. It's good that this is a bonus mill, so no rush to get it running immediately.
 
Nice machine, just perfect for a controls upgrade. I love the manual/CNC knee mills. Very versatile.

Use the power handling components that you can, and toss the rest of the control hardware. Maybe put it on eBay, somebody might be crazy enough to buy it.

Post some picture of the control hardware and I'll be happy to help you sort through it.

Oh, and if you decide not to replace the controls, leave the ballscrews in the machine. Makes for nice smooth. low to no backlash, operation manually. I use mine in manual mode all the time and have never had a problem with ballscrews back driving.
 
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You will be just fine. Don't try to convert to manual, listen to @JimDawson and convert to a modern CNC system. Sounds like you got a good machine that was worked on by someone who didn't know how to fix it. There's plenty of help here and taking the time to learn the basics will pay off in the long term.

Post lots of pictures and you'll gets lots of good advice, you're in the right place for this.

John
 
Nice machine, just perfect for a controls upgrade. I love the manual/CNC knee mills. Very versatile.

Use the power handling components that you can, and toss the rest of the control hardware. Maybe put it on eBay, somebody might be crazy enough to buy it.

Post some picture of the control hardware and I'll be happy to help you sort through it.

Oh, and if you decide not to replace the controls, leave the ballscrews in the machine. Makes for nice smooth. low to no backlash, operation manually. I use mine in manual mode all the time and have never had a problem with ballscrews back driving.
Will do, thank you! I honestly didn't know you could still use it manual mode.
 
I have a Bridgeport EZ Trak 2 axis CNC mill that looks a lot like what you have. It can definitely be used as a manual mill just as it is. As Jim said, there is no need to change out the ball screws if you decide to use it as a manual machine and the servo drives work well as power feeds. But, if I were you, I'd take Jim up on his offer to help with getting it back to a working CNC machine. A company named Southwest Industries use to make complete upgrade packages for the older BP mills. Don't know if they still do, but it may be worth checking.
Ted

Here's a link : https://www.southwesternindustries.com/products/retrofits
 
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