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JOHN Guest
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daniel peterman Guest
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Posted: Sun Aug 27, 2006 7:15 am Post subject: Re: Identifying a lathe I have & Rebuild Help |
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It looks like a very clean lathe in that group of photos, What is wrong
with it?
Appears similar to a SouthBend I had once. Try www.lathes.co.uk for
pictures of just about every machine tool ever made. |
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JOHN Guest
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Posted: Tue Aug 29, 2006 1:28 am Post subject: Re: Identifying a lathe I have & Rebuild Help |
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Hi Daniel ,
Thanks for your reply & the help to get me some inputs..
In the Lathe headstock I had found some broken welded teeth on the bull
gear . When the Clutch lever for the back Gear is used to engage, the
Vibration of broken Bull Gear cause the back Gear Clutch lever to get
disengaged .This also makes very loud noise.
The Tail stock spindle have wear & tear due to which when drill bits
are used, it get along with the metal in teh chuck & rotates .This
needs some rework like re-bore & fixing a sleeve in the spindle.
On the Lathe saddle , the bottom side has worn out the.The V groove on
the underside of the saddle that rides along the inverted V-groove also
had some wear .
How to get re-grounded to original shape?
The carriage that moves along the ways by means of a rack and pinion
drive is not very smooth & it is tight some time to move the carriage
along the ways.
The Tool post & cross slide taper Keys are been re built, but it is
tight so need to have this hand scrapped.
The lath Bed is clean; I did some Hand Scrapping some time back.
The half nut assembly Clutch Falls down, when the carriage is moved
along the ways. This half nut assembly got it re made .
Please advice me this .. I f I need to do any other changes ?
Regards
JOHN |
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daniel peterman Guest
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Posted: Thu Aug 31, 2006 3:23 am Post subject: Re: Identifying a lathe I have & Rebuild Help |
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That lathe sounds pretty worn out. You may just have to put up with
some of the worst areas or get into some really expensive grinding done
by an outside shop.
There is a product called Moglice which is a metal filled epoxy that may
fill in some low points. I believe you lap it to fit against the mating
part.
Something I have never seen mentioned in machine tool restoration, that
was once common for valve guides on engines is knurling. I don't know if
you could do it successfully on the sliding parts of a lathe or mill but
it seems that if you had the right tool you may be able to raise certain
areas of metal by striking them with a toothed tool. I would test this
on something before you just whack at the lathe saddle with a punch. |
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