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post #1 of 10 Old 02-04-2012, 07:00 PM Thread Starter
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Need help from the lathe gurus

Howdy all...

Here's my problem...
Delta 46-460 lathe, just a year old...
Has a pantload of hours on it, 'cause I can't seem to stop turning stuff...

I have a BIG loss of power when turning, so much so that I can pretty much stop the thing with moderate pressure from my hand...
Belt seems fine...
The motor slows WAY down...
Happens when I try to turn a piece also...

Any suggestions..?

Thanks!

p

...ever notice how "I'm sorry" and "I apologize" mean the same thing, unless you are at a funeral..?
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post #2 of 10 Old 02-04-2012, 07:04 PM
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Might be a silly suggestion, but have you checked to make sure that your pullies are not slipping. The belt seems fine you say, but if the set screws have come loose in the pully, they might be slipping. Just a thought. A simple thought, but a thought, none the less.

There is a very fine line between a "hobby" and a "mental illness"
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post #3 of 10 Old 02-04-2012, 07:15 PM
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If the belts still have good tension and is not slipping check to see the brushes on the motor are not worn down. I wouldn't expect that with it just a year old but it's an obvious thing that should be checked.
You do have an adjustment on the lever to put more tension on the belt if it needs it.
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post #4 of 10 Old 02-04-2012, 07:35 PM Thread Starter
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Thanks gentlemen!

I'll have to pull the motor and check the brushes...

It doesn't appear to be a belt or pully issue, unless I'm missing something here...

The motor itself slows.

I'll head back out and play with it...

I wonder if I can reproduce the problem with belt removed..?
That may point towards the motor, right..?

p

*<Update>

With the belt removed, I can slow the motor considerably with a moderate load, meaning if I grasp the pully on the motor, I can reduce the RPM from +/-1600 to < 100 in a coupla seconds!
Gotta be the motor... right?

...ever notice how "I'm sorry" and "I apologize" mean the same thing, unless you are at a funeral..?

Last edited by txpaulie; 02-04-2012 at 07:46 PM. Reason: updated
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post #5 of 10 Old 02-04-2012, 07:52 PM
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gotta be
man that sucks
my motor gets hot but never loses power
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post #6 of 10 Old 02-04-2012, 08:18 PM
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A switch that is failing, or a bad connection will not allow full current to the motor. Could cause a low power problem.
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post #7 of 10 Old 02-04-2012, 08:29 PM Thread Starter
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Quote:
Originally Posted by Brink View Post
A switch that is failing, or a bad connection will not allow full current to the motor. Could cause a low power problem.
I shall inspect the wiring connections...

Don't know much about testing a switch... Maybe bypass it..?

p

...ever notice how "I'm sorry" and "I apologize" mean the same thing, unless you are at a funeral..?
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post #8 of 10 Old 02-04-2012, 09:03 PM
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Just another thought, check the starting compastor, had to change the one on my mini jet 1014, mine did the same $15.00.good as new. Im sure the deltas has something like that.
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post #9 of 10 Old 02-04-2012, 09:08 PM Thread Starter
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Not apparent wiring issue, although I did notice that the rheostat seems to be malfunctioning also...

I shall research the "starting compastor", though I'm not convinced such a thing exists on this planet, LB!

Many thanks again, y'all!

p

...ever notice how "I'm sorry" and "I apologize" mean the same thing, unless you are at a funeral..?
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post #10 of 10 Old 02-04-2012, 10:13 PM
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It's a DC drive so theres no starting capacitor. The speed controller mentioned may well be the problem, I had the same thing happen with my Jet sharpener, new drive board fixed it.
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