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Forum topic by jimig11 posted 04-08-2013 05:48 AM 767 views 0 times favorited 12 replies Add to Favorites Watch
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jimig11

55 posts in 657 days


04-08-2013 05:48 AM

Hi all, I picked up a craftsman copier on the cheap the other day and after getting it all put together, which was quite challenging as I bought it by chance picking up a fence, I found that the old motor wobbles so badly it transfers through the entire machine. Also not having used a lathe before, on the lowest speed I should not be able to stop it with 1 finger right? (and no I am not retarded, i had established there was a bad lack or torque before touching the spindle). So I am thinking I need to replace the motor? If this is the case, can anyone tell me where to find used motors around Toronto? Thanks all.


12 replies so far

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doyoulikegumwood

384 posts in 2747 days


#1 posted 04-08-2013 06:00 AM

you should be able to have the motor re wond at any electric motor shop. Not sure where there is one in Toronto but there is one i’m sure. But what do you meen by wobble. I ask this simply because it could just be bad bearings something you could probably do on your own.

-- I buy tools so i can make more money,so ican buy more tools so I can work more, to make more money, so I can buy more tool, so I can work more

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jimig11

55 posts in 657 days


#2 posted 04-08-2013 02:02 PM

Hmm, bear with me, I have very limited knowledge on this matter. From the little I understand, if it was the bearings I would just see the axle wobble right? And if it was needing to be “rewound” it would probably be the whole motor shaking? I mean the motor shakes enough to bend its ply wood base.

View JustJoe's profile

JustJoe

1554 posts in 793 days


#3 posted 04-08-2013 02:29 PM

When does the motor bounce around like a drunken hula dancer – when the belt is connecting it to the lathe headstock, when the belt is off and it’s just hanging off the back of the lathe, or when it’s completely disconnected from everything else and sitting on a flat surface like a concrete floor?

-- This Ad Space For Sale! Your Ad Here! Reach a targeted audience! Affordable Rates, easy financing! Contact an ad represenative today at JustJoe's Advertising Consortium.

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jimig11

55 posts in 657 days


#4 posted 04-08-2013 02:31 PM

“When does the motor bounce around like a drunken hula dancer”
oh s*, when I finally stop laughing I will go do some more diagnostics and get back to you on that.

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Wildwood

1248 posts in 889 days


#5 posted 04-08-2013 03:30 PM

Think will have to find out if you have a motor, belt , or alignment problem. Does the motor run quietly without the belt? Should not be able to stop the lathe spindle or motor with your finger while running unless bad belt or motor worn out.

Motor wobbling & vibration could also come from loose or misalign pulleys.

-- Bill

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jimig11

55 posts in 657 days


#6 posted 04-09-2013 01:46 PM

Ok so I removed the motor from the lathe and plywood base, put it on the ground and plugged it in,
no vibration or “dancing like a drunken hula dancer”. It did however make a pretty uniform whirring/churning sound. However I am in luck, I live with an 86 year old depression baby. Quick search of the shed gave me a direct 1/3hp replacement! So now I am just in the process of removing/replacing the stuck pulley. This motor runs quieter with more torque just by initial highly scientific jam a piece of wood in it while running tests, will update when pulley is changed over and motor back on.

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jimig11

55 posts in 657 days


#7 posted 04-09-2013 01:53 PM

A little off (this) topic but is it possible for me to remove belt guard and mount motor beneath the lathe? Just because right now the footprint in my dinky shop is roughly 5’x3’ so if I can mount motor below that would give me another 15 ft².

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Rick M.

4518 posts in 1135 days


#8 posted 04-09-2013 08:40 PM

Jim, unless someone happens to be familiar with that particular lathe you’ll have to find the model# and see if there is a manual online. Usually you can just look and see if you can run a motor from underneath. On the bouncing issue, do the troubleshooting JustJoe posted to make sure it is the motor.

-- http://thewoodknack.blogspot.com/

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jimig11

55 posts in 657 days


#9 posted 05-25-2013 01:49 AM

ok, after a little hiatus I am back with great news! Thanks to everyone who helped.


Beta testing.


Pulley enclosure from scrap maple plywood.



Dust Hood. Going to attach a long dowel/curtain rod to back of stand so dust hood can slide along work piece.


Painting parts.


After a test run on a 2×4, it’s time to step it up.


Looking good. Never thought a lathe could make so much chips!


My 1st real turning! I was pleasantly surprised.

So just a coat of paint and a belt tension system, then frank-en-lathe shall be complete.

View Dakkar's profile

Dakkar

297 posts in 682 days


#10 posted 05-25-2013 03:24 AM

That’s very impressive. Note to self: next time I want to pick up an old Craftsman lathe, tear it down and completely rebuild it. Actually, I’ve kind of been doing that with Harbor Freight stuff, myself, but never a lathe.

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jimig11

55 posts in 657 days


#11 posted 05-25-2013 05:37 PM

Not sure if that was sarcasm or not, so I will justify it with an explanation I think most of us can empathize with, very limited shop space.

This is my extremely limited workspace. Note the cat litter?I share this space with 2 fur balls. Also yes the brown marks on the floor are cat shit. One of the fuckers will not use the litter, preference? sawdust! So the next time you grumble about maneuvering around the table saw just think of me and know it could be worse, there could be a steaming sloppy cat poop on the other side of that TS!

So in short, while I would have loved to keep it in its original condition, I took it from 3’ wide to 1’ wide, or in more relative terms 18ft² down to 6ft².
Also you cannot see it in the pics to well, but there are mounting bolts on the stand for the copier attachment as well.

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Dakkar

297 posts in 682 days


#12 posted 05-27-2013 04:13 AM

No sarcasm intended from me. Sometimes the economics make it more practical to just radically rework a tool and you did a really interesting job of it. It looks like it works great.

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