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Tool Talk Discussion Forum

Atlas lathe, newbie help (long)

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Mike from cny

06-07-2006 20:37:10




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I know there isnt a high opinion on atlas lathes, but I'm 21 and just got this for doing 9 acres of bushhogging for a friend of mine. I'm a newbie at metal working, I've cut down some thrust washers for comepressors at work with good results. Heres what I know about it.
Atlas lathe Model# OC42 Serial# 086882
appears to be a 10in lathe, the '42' in the model number makes me think in has the 42" bed, or is it measured inbetween centers? It has the "quick change" setup for threading, all the gears look good in it, however the gears in the 'head' dont look good, it runs smooth but there is a lever for reversing it I think, and their pretty well shot. Can I buy new ones somewhere? are parts available and where? My carriage does not move either, I think it has something to do with with the gear on the carriage not touching the threaded rod, the hand wheel will not move it either. I did find some broken chunks of aluminum, half circle shaped so something must have broken out. This unit also has the tapered timken bearings, not the babbitt ones. The unit came with some tooling as well. I figure it was better then the one guy I was readin about who bought one that was all worn out, painted blue and used for wood working LOL. Also wondering what vintage this one is. Any input would be great, Thanks.

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Glen in TX

06-09-2006 10:02:02




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 Re: Atlas lathe, newbie help (long) in reply to Mike from cny, 06-07-2006 20:37:10  
Contact Clausing and have them send you a parts catalog and order one of the operators manuals from them for the Atlas lathe. The manual has lots of other useful charts in it also.



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chvet73

06-08-2006 16:12:19




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 Re: Atlas lathe, newbie help (long) in reply to Mike from cny, 06-07-2006 20:37:10  
EBay for parts. There are a ton of them on there. Check out Yahoo groups. I know there is a group for Atlas-Craftsman lathes.
Have fun with it. I just finished restoring a Logan lathe, very similar machines.



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MikeCatthemuseum

06-08-2006 16:10:55




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 Re: Atlas lathe, newbie help (long) in reply to Mike from cny, 06-07-2006 20:37:10  
As has already been said, the Atlas may not be the greatest lathe in the world, but there's a lot of them left and no telling how many parts or how many BILLIONS of dollars have been made with these things. They are a decent home shop machien if treated properly and not pushed beyond their capabilities. You certainly got it for the right price.

One of the weak links is the die cast gears. If left exposed to the elements for long they will simply crumble. That may explain your broken parts there. Those parts are usually cheap, that's the good news.

A few things could lock the carriage in place. There is a clamp that is specifically designed to keep the carriage put. Usually on the right hand side of the top of the carriage and with a square head. Make sure it is loose. The power feed may be engaged. The half nuts may be engaged. Check all that to see if that's what is holding it.

The gear for the hand wheel does not engage the leadscrew (threaded rod on the front). There will be a rack hanging down from the underside of the bed for the handwheel gear. The half nuts clamp the leadscrew from either side to drive the carriage in relation to the spindle for thread cutting. They should be open and not touching to move the carriage with the handwheel.

Clausing does indeed sell new parts. Some of the stuff like the smaller gears are so cheap it's not even worth screwing with Ebay. Some of the other stuff is just stupid expensive when new. You can also start poking around and asking folks in the area if they know of a clunker in a barn or something. A friend with a Craftsman/Atlas did just that and bought an entire lathe in pieces.. with enough spare parts to fix his up... for about $50.

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dr.sportster

06-08-2006 14:22:47




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 Re: Atlas lathe, newbie help (long) in reply to Mike from cny, 06-07-2006 20:37:10  
First of all there is no such thing as a bad lathe.Ive gotten lathes out of machine shop dumpsters. Throwaways that could make a part to at least get something else running or even make a tool post for themselves.It sounds like your half nut has gone bad.I did a google search on my lathe model number and found alot of info.I beleive parts are available.Try Sobel Machinery in Closter NJ.Spin it by hand until you troubleshoot before applying power.Go slow and youll figure it out.Wear safety glasses.Go to Lindsay books website and Home Shop Machinist[also a magazine] Sobel has adds in HSM mag or I could find you the tel.number.He[Sobel] is a retired machinery repairman with alot of old parts.People put down Atlas lathes but twenty-six years ago I worked with a guy that made Harley drag cylinders on his and he was a mechanic not a machinist.I know there is parts on ebay also.Even the most worn lathe can polish a shaft or spin it for filing down a little.Have fun.If you disassemble take pictures and try to post them here.

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rc in ct

06-08-2006 07:55:24




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 Re: Atlas lathe, newbie help (long) in reply to Mike from cny, 06-07-2006 20:37:10  
A search on the internet should help you figure out what you have and what accessories you'll need to keep your eye out for. Heres one site I found useful in the past.

Link



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Richard Fazio

06-08-2006 05:31:22




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 Re: Atlas lathe, newbie help (long) in reply to Mike from cny, 06-07-2006 20:37:10  
Mike, Congrats on aquiring the lathe. I recently got into lathes and milling machines myself. Like others have said you may have the carrage locked up cause of the controls. I have been searching parts on ebay. Any part you could want is there. Don't get discouraged because you don't see it the first time you look. Keep looking each day, all of a sudden the part you need is there. Just search on atlas lathe. A quick change gearbox makes the atlas lathe a lot nicer. The main problem I have with mine is changing the gears is just crazy. You almost have to break something. There are a lot of lathe sites out there and specifically atlas sites, and yahoo groups. I learned a lot. First step is getting it setup and working properly. let me know if you want some lathe sites.

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Richard Fazio

06-08-2006 12:21:08




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 Re: Atlas lathe, newbie help (long) in reply to Richard Fazio, 06-08-2006 05:31:22  
I meant to say I don't have the quick change gears. That's why mine is a pain to use.



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woodache

06-07-2006 22:36:59




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 Here is where to go Re: Atlas lathe, newbie help ( in reply to Mike from cny, 06-07-2006 20:37:10  
third party image

You will find a lot here, there is also a yahoo Atlas Lathe Group. By the way dont let any one put down an Atlas there are more of those machines still running from 1937 than other companies ever built. Pluse a nice little 24 volt unit built in WW2 for a flyin kit. A complete machine in a trunk.

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JMS/MN

06-07-2006 21:41:15




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 Re: Atlas lathe, newbie help (long) in reply to Mike from cny, 06-07-2006 20:37:10  
www.clausinglathe.com. Best to get the book to learn the controls. Half-nuts and carriage clutch should not be engaged at the same time. Breaks stuff. Good book to learn machining is "How to run a lathe" by South Bend Lathe. Available on their website (www.southbendlathe.com) or through Lindsay Publications.



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Doug in IL

06-07-2006 21:19:11




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 Re: Atlas lathe, newbie help (long) in reply to Mike from cny, 06-07-2006 20:37:10  
The Atlas lathes were usually measured using the total length of the bed ways, including the portion the headstock sits on. A tape measure will help you there. The half circle parts you are seeing are pieces of the half nuts which are engaged for threading, feeding the carriage. The little lever is not for reversing. It is used to engage the "backgears", which are engaged for obtaining the low spindle speeds. Reversing is usually done with a drum switch, which reverses the rotation of the electric motor. Some new Atlas parts can be obtained from Clausing, I think. Alot of Atlas parts are usually available on ebay as well. The half nuts are usually readily available on ebay. They do go bad on these machines with some regularity. Just guessing, I"d say your machine is 1940"s to early 1950"s model.

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