[TheForge] repairing tapped sleeve

Mon Feb 11 13:38:29 2002

Another item along these lines and sounds like what you are describing is a part
known as a "keensert"  which is threaded  inside and out.  It screws into the
hole and is locked by a pin or collar.  Some just use a locking thread and
locktite.

Larry

"Miller, Ray (GEAE)" wrote:

> The gas turbine mechanics' friend......helicoils
> helicoil inserts are a life saver. They are great for stripped out head
> bolts on engines, and on power generating gas turbine, every joint bolt hole
> has a helicoil insert. You know you are going to tear up the threads so why
> not make them easy to replace....;-)
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Monday, February 11, 2002 10:32 AM
> To: [email protected]
> Subject: [TheForge] repairing tapped sleeve
>
> I have some machine parts that need to be repaired. They consist of a steel
> sleeve that has the inside threaded to 5/8 NC and the wall of the sleeve is
> worn completely away in some areas. I can cut out the sleeve and replace it
> but that will be real pain in the neck. I tried to find some carbon rod that
>
> I could thread and screw into the sleeve and then build up the wall with
> weld. I haven't found any carbon that will work. I wonder if a copper rod
> will work?  I looked at copper rod in the McMaster Carr catalog it shows a
> melting point of 1981 deg F. I'm afraid that's too low. Any ideas?
>
> Thanks in advance, Dan Cruzan
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