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Problems with lathe on start up!!! Looking for ideas,Thanks

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Forum topic by RD500 posted 04-09-2012 12:00 PM 727 views 0 times favorited 4 replies Add to Favorites Watch
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RD500

1 post in 1710 days


04-09-2012 12:00 PM

Topic tags/keywords: lathe

I have been operating this lathe wired at 110 and it has been getting hard to start. I could help it by rotating the chuck to start it turning. The motor has a start capacitor and I replaced that with no improvement. The next step I replaced the motor, that didn’t do the trick. The control box has a transformer and two relays. I am wondering with this 110/220 option is the transformer part of the start up on the 110? It is a six wire configuration. Any thoughts? Thanks RD500

-- RD500,Indiana,LumberJocks.com


4 replies so far

View Bill White's profile

Bill White

4459 posts in 3428 days


#1 posted 04-09-2012 01:13 PM

What kind of lathe, motor, speed control?
Need more info.
Bill

-- bill@magraphics.us

View Loren's profile

Loren

8315 posts in 3116 days


#2 posted 04-09-2012 04:37 PM

That’s not uncommon on older lathes. I’ve had one or
two I had to give a little help to in order to get the
spindle going.

A more powerful motor is one solution. Another
is to assess resistance in the headstock bearings.

View reggiek's profile

reggiek

2240 posts in 2738 days


#3 posted 04-09-2012 04:56 PM

Have you checked the belts for slippage? Also look at the pulleys to make sure they are not overly slick. If the belt is not slipping….Make sure the belt has not been handled with oil or other solvents/lubricants.

I can add more once I know the type of lathe and age.

-- Woodworking.....My small slice of heaven!

View dhazelton's profile

dhazelton

2326 posts in 1764 days


#4 posted 04-09-2012 06:03 PM

I’d look into the motor more. Do you hear that little click as the motor winds down to shut off the start capacitor? It may be the internal switch is bad. Check out this link for troubleshooting with a meter.

http://www.fluke.com/Fluke/usen/community/fluke-news-plus/ArticleCategories/MotorsDrives/Single-PhaseMotors.htm

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