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Repairing threaded rod clifto 05-31-2008
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Posted by on June 2, 2008, 4:19 pm
clifto wrote:
> I have too little metal, not too much. One rod has a 3/16" section on the
> end such that the nut slides on.

You've stripped the threads off. There is no practical way to fix that
except by replacing the threaded rods.

If you galled the threads so the nut wouldn't thread on, that'd be
different. That could be cleaned out with a thread file.

Special 468x60
Posted by dpb on June 2, 2008, 5:54 pm
mkirsch1@rochester.rr.com wrote:
> clifto wrote:
>> I have too little metal, not too much. One rod has a 3/16" section on the
>> end such that the nut slides on.
...

Or rethreading for smaller size or if it doesn't need to hold much force
peening to create high spots and rethread. Possibly some shim stock
around the thin spot might work. Lots of ways to cobble stuff up; best
would undoubtedly be to replace...

Or, is there a section not used so could shorten existing, use
connecting nut to extend back to original length?

--



Posted by aemeijers on June 2, 2008, 7:27 pm
mkirsch1@rochester.rr.com wrote:
> clifto wrote:
>> I have too little metal, not too much. One rod has a 3/16" section on the
>> end such that the nut slides on.
>
> You've stripped the threads off. There is no practical way to fix that
> except by replacing the threaded rods.
>
> If you galled the threads so the nut wouldn't thread on, that'd be
> different. That could be cleaned out with a thread file.

If he is sure it will never need to be taken apart again, a couple spot
welds should work.....

--
aem sends...

Posted by Joe on May 31, 2008, 10:17 pm
> I have a heavy-duty massager whose main structure is held together by two
> pieces of threaded rod about 3" long. The rods are partially stripped at
> the ends; nuts need to be turned to put them on, but they're quite loose. =
It
> doesn't look like it would be possible for me to replace the rods, so I'm
> wondering if there's any sane and relatively permanent way to repair the
> threads. Whatever I use has to tolerate a LOT of vibration, of course.
>
> --
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Britney Spears' Guide to Semiconductor Phy=
sics
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0<http://britneyspears.ac/lasers=
.htm>

Use red Loctite, available at many hardware and auto parts stores.
That is the most stubborn grade of thread locker in the Loctitie line.

Joe

Posted by Al on May 31, 2008, 11:18 pm
clifto wrote:
> I have a heavy-duty massager whose main structure is held together by two
> pieces of threaded rod about 3" long. The rods are partially stripped at
> the ends; nuts need to be turned to put them on, but they're quite loose. It
> doesn't look like it would be possible for me to replace the rods, so I'm
> wondering if there's any sane and relatively permanent way to repair the
> threads. Whatever I use has to tolerate a LOT of vibration, of course.
>
A new nut may solve the problem.
If a new nut also slides then re thread the rod with the next smaller die and
get a
nut to fit that new size.

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