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What keeps the tube from spinning on a Duracraft/Craftsman 1236 lathe?

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Forum topic by SMP posted 08-26-2019 06:38 PM 877 views 0 times favorited 7 replies Add to Favorites Watch
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SMP

3457 posts in 920 days


08-26-2019 06:38 PM

I was given a lathe by my FIL’s friend. Kind of rusty, but I cleaned it up and it seemed all intact. Not bad for free. Bought a new belt for it and oiled it etc. However, the main tube slides into the main section, up to the point where the flat bar screws onto the bottom that runs the rest of the length of the tube. But I don’t see a way to keep the tube from rotating in the hole. So when I start it up, everything works, but when I start using a tool on the tool rest it rotates the tube away. Its a Taiwan duracraft, apparently online looks very similar to Craftsman, about 30 or 40 years old from what I could find. I just can’t seem to figure out a way to make this tube stay put, unless it is missing a part? It looks identical to this:
https://www.lumberjocks.com/projects/35826

Thanks in advance,
Steve


7 replies so far

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MrUnix

8429 posts in 3213 days


#1 posted 08-26-2019 06:57 PM

There should be a setscrew on the rear of the headstock to keep the tube secure. Not familiar with that exact model, so there may be more. YMMV.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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SMP

3457 posts in 920 days


#2 posted 08-26-2019 09:05 PM



There should be a setscrew on the rear of the headstock to keep the tube secure. Not familiar with that exact model, so there may be more. YMMV.

Cheers,
Brad

- MrUnix

I looked inside the cover for the belts, didn’t see anything obvious back there. Actually I don’t even see how a screw back there could keep it from spinning. But now that you mentioned that maybe I should look underneath? Maybe I’ll post some pics in case it helps.

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bilyo

1311 posts in 2117 days


#3 posted 08-26-2019 09:57 PM

I don’t have any first hand experience with one but, my understanding is that these lathes are notorious for twisting under use. You need to bolt it down to a rigid bench or, at least, a very stiff plank in order to make it usable. Otherwise, I guess, it works OK.

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MrUnix

8429 posts in 3213 days


#4 posted 08-26-2019 10:31 PM

Look on the backside, not the end (pulleys) – and it may be packed with crap, making it kind of obscure. I’m going on a parts diagram for a 1983 craftsman lathe found in this manual. See part #27 (3/8”-16tpi X 1/2” socket screw). I don’t see anything else holding it in place, but it’s hard to visualize just from a parts drawing.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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mike02719

293 posts in 4800 days


#5 posted 08-27-2019 12:05 AM

I had a Craftsman113 for decades. You can do a lot with it. Keep in mind that on the right end, not the drive end, you have a screw to align the centers. That is if you run the dead end up to the drive end, the points should line up perfectly. If not major vibration occurs. This screw may have been loosened for some reason. Try tightening it up, but be sure to count the revolutions. There is a club on line for users of this lathe. They may have exploded diagrams.

-- Mike, Massachusetts

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SMP

3457 posts in 920 days


#6 posted 08-30-2019 04:21 PM



Look on the backside, not the end (pulleys) – and it may be packed with crap, making it kind of obscure. I m going on a parts diagram for a 1983 craftsman lathe found in this manual. See part #27 (3/8”-16tpi X 1/2” socket screw). I don t see anything else holding it in place, but it s hard to visualize just from a parts drawing.

Cheers,
Brad

- MrUnix

Hello Brad,

Thanks for this. It was on the back side, part 27 as you mention, a little hole plugged with oily sawdust. I couldn’t see into it, but I used an inspection mirror and was able to see there was one of those little allen bolts in there. Its all good now! Thanks a lot!

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bgood

38 posts in 740 days


#7 posted 09-01-2019 04:18 AM

Which direction is this lathe turning ?

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