I found a 1940’s Delta Unisaw on ebay for 175 bucks. It is rusted and has a big motor in it. He says it is single phase with 1750 as the rpm. The cast iron on the top is rusted, but could be removed with chemicals, a grinder, or electroalisis. This one has the rare oval motor cover on it as well, it also has the original switch cover, but not switch. I’m not sure if the motor works or not. Should I buy this or not, I’m debating. I’ll probably restore it back to origina...
Fellow Lumberjocks,I submit to you the story of my Unisaw (so far…). On June 26th, a Unisaw popped up on Craigs List with a price of $300 – I hesitantly clicked expecting one of two things to happen. Either the posting would have been deleted already because I did not see it within 37 seconds of it being listed and sold, OR, it would actually be a heap of PARTS for a Unisaw. But, I clicked anyway… Lo and behold, it was still listed, and NOT a pile of parts! Immediately cl...
Odd title I know, but bear with me here. My wife and I are in the home stretch with our utility room remodel so have been able to get my workshop back into some semblance of order. I’ve also been able to mount my VFD to the wall and get the Unisaw in place with the T2 fence mounted. The workshop is still in disarray until this remodel is completed so I cannot get to a lot of my equipment just yet. However, life has introduced another wrinkle that we are dealing with. My 87 year ol...
Just a quick blog post here. Just wanted to show you the new motor cover I built and installed today. Held closed with Neodym magnets. I love magnets.
I fired up the unisaw for the first time today! I have never owned a unisaw before or used one so I have no idea if it’s running smoothly or not. BUT! I will say that it sounds amazing. Here is a short video clip of it running. How am I supposed to know if everything is ok? I mean it seems ok. No weird engine noises. The blade stops faster than my little dewalt stops. Is that normal? There is also a “thud” as it slows down. Anyways, I’m just gonna finish making...
Well a buddy of mine asked me to try linked belts just for the heck of it. So I did, not expecting much but it has completely removed the vibration. The saw passes the nickel test. Now its on to moving the saw to its final resting place in the workshop and wire it accordingly. Then, get the T2 fence installed. BTW, let me apologize for the poor video, it’s a cheapo camera. http://www.youtube.com/watch?v=a3HMwsjyjdw To be continued…
The VFD I will be using for this saw is the Teco JNEV-203-H1. As a first test I wanted to test everything on the bench. I have temporarily setup a 30A breaker and wired the 2 hots to the VFD terminals L1 and L3, the common ground to the VFD terminal PE and capped off the neutral lead. From the VFD terminals T1, T2 and T3 I ran wire to the motor leads 9 wire setup. The only functions I have set are the frequency (60 Hz), accel time and decel time (both 10s). I’m a littl...
Yesterday I started removing all the wiring from the switch and the motor because they had all but dry rotted away. The wire that went from the switch to the wall is 14/3 while the wire from the motor to the switch is 14/4. I spent several hours yesterday at Lowes and Home Depot trying to track this 14/4 wire down and was unsuccessful. Does anyone know how to wire these motors? When I opened the panel on the motor the wires were all connected except the red wire from the 14/4 it was ju...
I started cleaning up the top to the table saw today. I saw this website where he was working on the same saw as I am so I decided to take his methods. I started with 320 grit wet/dry sand paper then to 400-600-800-2000. I think it turned out alright. Also here is a photo of the belts. So yeah I’m sure I need to replace them.
Got the cast iron top off the Unisaw today. Tons of sawdust. I took that as a good sign meaning that it works still. I won’t know that until I get my house rewired for 230v. I’m not sure how much refurbishing I will have to do to this thing. Everything on it seems to move smoothly and the only thing wrong with it so far is cosmetic. I thought about taking it all the way apart and running each piece through a sonic cleaner but now that is seeming ridiculous. The pulley’s ...
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