Unimat SL1000

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aopagary
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Unimat SL1000

Post by aopagary »

a friend just gave me a somewhat neglected Unimat SL 1000. i found a good YouTube series and got most of it disassembled, cleaned up a bit and it seems to be in good condition. both longitudinal and cross feeds are operating very smoothly. looks like it used to have a power feed. he said there still might be another box with parts so i'm hoping things like that are still in good shape. there is also evidence that there should be the milling post and motor mount since the bigger mill table in also there. i have yet to disassemble the headstock, however, due to the 3 jaw chuck that seems frozen on the spindle. don't have a set of tommy bars, so i'm hoping when i get some oil on it and with a bigger stronger lever action going, it might break the frozen threads.
unimat SL1000.jpg
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Bill Shields
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Re: Unimat SL1000

Post by Bill Shields »

soak it in atf and penetrating oil -> then warm it a bit with a hair dryer or industrial heater. avoid a torch as you can damage the seals on the spindle bearings if you get it too hot.

you can take the entire head off, point it chuck down and dunk it in a large coffee can or plastic bucket full of the stuff...
Too many things going on to bother listing them.
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rmac
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Re: Unimat SL1000

Post by rmac »

atf = automatic transmission fluid ????
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Bill Shields
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Re: Unimat SL1000

Post by Bill Shields »

yes

atf with a bit of penetrating oil is very good for this sort of thing...
Too many things going on to bother listing them.
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NP317
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Re: Unimat SL1000

Post by NP317 »

I have mixed ATF with some acetone. It penetrates quite well.
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David2011
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Re: Unimat SL1000

Post by David2011 »

Be sure to use the ATF for older vehicles like Ford Type F. The first ATF I bought was the current synthetic style and it wouldn’t mix with acetone. It was like oil and water. The older style went into solution easily.
SteveM
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Re: Unimat SL1000

Post by SteveM »

NP317 wrote: Fri May 20, 2022 7:40 pm I have mixed ATF with some acetone. It penetrates quite well.
I haven't found anything that 50/50 acetone/ATF can't break free.

I have a bottle of it sitting about 10' from me right now in the shop.

Steve
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