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Thread: lathe vibrate at lower speed
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4th December 2013, 10:32 AM #31SENIOR MEMBER
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4th December 2013, 11:27 AM #32GOLD MEMBER
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Is there still vibration either coming from the Headstock or spindle with the chuck removed?
If there still is vibration try removing one of the drive belts if there are 2,try taking a little tension off the drive belt/s,try putting a bit of rubber between the motor mount and lathe.
If there is still vibration present after removing the chuck,run the lathe through its speed range and see if the vibration stays uniform throughout the cycle.
Try putting your hand on the Headstock and then Tailstock whilst running and see if you can feel the vibration.
I still have a strong suspicion that either the Headstock Spindle bearings need adjusting or all of the Headstock bearings need replacing.
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4th December 2013, 03:09 PM #33GOLD MEMBER
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have you checked the belt and tension?
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4th December 2013, 03:28 PM #34SENIOR MEMBER
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4th December 2013, 03:29 PM #35SENIOR MEMBER
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4th December 2013, 07:53 PM #36GOLD MEMBER
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vibration
bill maybe you should post a photo of your set up. just some history.
the lathe was vibration more that this. in the head stock one of the top
head stock gears was not fully engaging because of a cir clip positioned
in the wrong place after fixing this the vibration was a lot less pronounced. .
aaron
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4th December 2013, 07:59 PM #37GOLD MEMBER
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drive belt
there is a single drive belt tensioned right maybe on the tight side if any thing but id say ok
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5th December 2013, 09:31 PM #38SENIOR MEMBER
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Another source of some vibration are the drive belts, if the lathe has been sitting for a long time without use.
The belts get 'bumps' in them from sitting around the pulleys.
I fitted Link Belts to my AL-335 and it was significantly smoother.
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6th December 2013, 01:44 PM #39SENIOR MEMBER
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i think i found the problem and fixed the vibration
it is a motor pulley that is slightly angled to the spindle pulley . align them straight was minimize the vibration to almost zero.
thanks Aaron. he is the one work this out.
thanks all .
Peter
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7th December 2013, 08:09 PM #40GOLD MEMBER
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fixed
no problem happy to help any time.
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