Automatic band saw marvel v10a

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1 year 3 months ago #332252 by tcbmetalworks
This saw seems to be primarily ran on 110v to control all of the limit switches hydraulics solenoids motor starters etc. What's the best way to control 110v with a mesa card? I know I can make a bank of relays but it seems a little extra for all of these functions having a huge board of relays. I pressure washed the saw down today put power to it and was able to force my way through making each function work. U could proably run the saw as is like a regular saw but the auto feed system is totally junk and needs to be rebuilt. 

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1 year 3 months ago #332448 by tcbmetalworks
Okay so I ordered a 7i76eu board a 10.9 touch screen a vandal resistant keyboard and mouse and a little fan less pc. 5v powersupply and a 24v powersupply. A incremental ebay linear encoder. I also programmed a little python program that will act as a gui.  

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1 year 2 months ago - 1 year 2 months ago #333090 by tcbmetalworks
I was able to make a basic gui to turn on and off 2 leds using cursor. Pretty cool tbh. It took 2 days of pain in the ass vibe coding to get it done but now that I'm here everything should be smooth sailing. This is really a new method to make gui that is not talked about much. In my opinion it's much easier then trying to learn a few programming languages. Pretty neat because cursor is pretty strong at using the ai to make python gui. I don't think I would use it for a mill but for basic input outputs it should be strong enough.
Last edit: 1 year 2 months ago by tcbmetalworks.

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1 year 2 months ago #333883 by tcbmetalworks
Here i have the saw. I pressure washed it like 20 times lots of wire brush on a angle grinder to all of the machined surfaces then painted it with thick oil based enamel paint. I also resurfaced all of the flat surfaces on the clamps/table on a large gorton milling machine with a shell mill. Soon I will start doing the assembly of the control box and wiring. I am going to keep a portion of the original electronic components and replacing most. Hopefully the system of controlling the hydraulic feed with a Encoder works well. If not I can scrap it for a ballscrew. slowly but surely it comes together. 

  

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1 year 1 month ago #334388 by tcbmetalworks
 
 

Getting the control box together some is being reused from the original system such as the transformer the motor starters. 
The following user(s) said Thank You: tommylight

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1 year 2 weeks ago #336560 by tcbmetalworks
Heres where im at with the project, I got the most of the machine wired up, and had it "functioning" the hydraulic that actuates the back and forth of the shuttle is leaking threw and slowly pushes forward when idle aswell as makes a big mess of my floor. When the machine trys to shuttle forward it like jumps back and forth intill it hits the spot it needs to be on the linear encoder then slowly seeps forward. I had a feeling this would be a problem. Am I crazy to try to pair a encoder to a hydraulic and expect it to acurately position? Or would this problem be solved by fixing the leaking hydraulic and maybe a new solenoid valve. Is there any examples of somebody doing similar, controling a hydraulic accurately with a linear encoder. or do i scrap the hydraulic system, only keep it for clamping and to push the blade forward. Replacing the hydraulic with a heavy duty servo motor and ball screw. 

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