Restoring A Classic 1960 South Bend Lathe: Disassembling The Apron
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- เผยแพร่เมื่อ 13 ก.ย. 2024
- I disassemble the apron of the 1960 South Bend 13" lathe in this video. Only a couple sticky points, but mostly went according to plan.
#SouthBendLathe #Apron #Carriage
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There are a few thrust bearings in the apron and the cross feed screw that I will need to replace. On almost all of them, some of the balls have actually broken in half. I don't think that's an intended design. I've looked at McMaster and I can find one that MIGHT fit the back of the clutch - I measured it .630" ID, 1.117" OD - I think part number 6655K18 will work for it and one of the bearings on the lead screw. But the one for the front of the clutch and another one for part of the lead screw - I measured it as .630" ID, .990" OD - I am unable to find replacements on McMaster. My measurements might be off a bit since I was just using a dial caliper. If you know of suitable replacements, please let me know, either here in a comment or email me: greg@mylilmule.us
Thanksfor the great view, cheers from Orlando, Paul
Thank you!
MLM, thanks for the great disassemble video,
I also am the proud owner of a SB 13", 1942 model...
but do not have the balls to dissemble like you are doing.....
cheers from an old geezer in Orlando, Paul
I have this one, and a 1942. The '42 will get sold once this one is up and running. I tore that one down, too. I made a series of really bad videos on it. It's not so bad, actually. There are lots of references out there.
Hey Greg it's a good thing vise and grip was there to help . I think I'm going to do this next time i run into a tapered pin over 1/4'' when i get them out I'm going to try and drill & tap them to use a small puller or slide hammer . Keep up the good work . JM
I thought about the slide hammer technique, but I don't have one. I'd have to make something. And I doubt it would have helped here. That bugger was STUCK!
The Knipex circlip pliers are worth the eye watering expense. A half hour looking for a circlip under a heavy piece of machinery makes your eyes water too. A brass hammer might be handy at times too.
I wasn't too worried if it went flying, they are easy enough to replace. I often replace circlips when I reassemble, depending on the size.
Hi Greg, Yeah taper pins suck. I've had the best luck starting with a shorten punch tip to get the pin moving. Less chance of deflection. Once it moves then I switch to a regular punch. I also use a sizable hammer to get it moving. for me I get better control then trying to swing a small hammer too fast. The worst one's I found were on the underdrive cone pully shaft.
Coming along nicely, keep up the good work.
That's a great tip! I'll have to grind some old punches down. I had to drill out the taper for the big pulley on the cone pulley shaft, too. Not fun.
If nothing is broken, rusted, worn, or needs replaced, I wouldn't bother with such a complete tear down. A good soaking in a bath of Purple Power can do wonders along with some elbow
grease, brushes and compressed air to clear out any chips, dirt or dried up grease. When
driving out tapered pins, I try to measure the ends with a caliper to verify the big end and use a
punch slightly smaller in diameter. A good soak with PB Blaster and hammering down
towards the workbench or securing the workpiece will maximize your hammer blows.
That's not a bad option, but there are a few things on this lathe that need addressed and just soaking it won't expose those issues. Tearing it down does a few things. #1, I get a chance to be sure everything that needs fixing is fixed. #2, I get all the old dried up oil out of it. All of it. Keep in mind, these South Bend lathes are a total loss oil system and they are oiled through wicks. All of the wicks on both of my lathes were hard and crusty. The wicks are no good and need replaced. And #3, I know this machine inside and out. If something goes wrong, I have a much greater appreciation as to where the issue might be.
What is the value of one of these old lathes un-seen and un-restored. There is one on Marketplace and I have made an offer and still awaiting a reply from the seller. I do not need it because I have 2 old Clausing lathes that I am already restoring but it seems like there are a lot of folks that like the little Clausing machines. it is a change gear machine and I do not know if the gears come with the machine. Probably not. Thanks for posting and I will be back for more as I always am.
It all depends on location, really. Around here, I could buy a South Bend every day and not run out of days. I've seen numbers all over the place for these lathes (selling, not sure what they all sold for). But at auction, you can often find a much better deal.
@@MyLilMule Thanks for responding. My location in North Texas has few compared to northern states. Shipping cost from North to South is what will drive the price of a local deal here. I don't really need another lathe, but I have seen some creators that love using their little Southbend lathes. Mark at Winky's Workshop is one of them. He has acquired some pretty nice pieces of vintage and antique machine tools since I started watching him years ago. My love of rebuilding these old Cast-iron Beauties is what keeps me going in my retirement years. Every time I see a really old Machine or engine I think of them as the seeds of industry. Not one CNC machine would be here today if the Old Beauties and Old Pioneers that ran them had not planted the seed that grew the Trees of Industrial Evolution.
And that's why I don't like tapered pin assembly's...
They are very good at holding stuff together. Too good.