Delrin Sleeve for the mortise

Butch_Y · Post by **Butch_Y** » Tue Nov 07, 2006 10:11 am

I had a pipe with a wiggly stem and dicovered an oblong mortise. What I did to fix this is inserted a delrin sleeve and re-turned the tenon to fit the sleeve. Delrin and vulcanite make a very nice fit, just as nice as delrin on briar.

With an OD of 3/8" and an ID of 5/16" there was no room for flats or grooves to help hold the sleeve. I used medium thickness CA glue rather than epoxy because I believe the CA has a higher chance of not breaking down with the heat. (this is something I've had a chance to experiment with as I screw up fittings.) Epoxies seem to break down gradually after just a bit of heat has been applied where-as CA glue needs alot of heat and will just let loose at once.

Anyone else have thoughts on any of this and is the sleeve a good idea to begin with?

ckr · Post by **ckr** » Tue Nov 07, 2006 11:18 am

Butch

Could just be me, but I am not sure what you did.

Is the delrin glued into the shank and the stem slips on?

Butch_Y · Post by **Butch_Y** » Tue Nov 07, 2006 11:24 am

I took a 3/8" delrin rod stock, drilled a hole thru it of 5/16" and glued this piece into the shank mortise. Basically, I just made the mortise hole smaller using delrin.

JSPipes · Post by **JSPipes** » Tue Nov 07, 2006 12:12 pm

I've done exactly that several times. Works well.

flix · Post by **flix** » Tue Nov 07, 2006 2:01 pm

Sorry, Butch, have to ask a dumb question:

What is CA glue?

--Michael

LexKY_Pipe · Post by **LexKY_Pipe** » Tue Nov 07, 2006 4:13 pm

Cyanoacrylate adhesives. Fancy super glue. See the below article.

http://www.woodcraft.com/articles.aspx?articleid=375

Post by **Tyler** » Tue Nov 07, 2006 6:12 pm

A quick comment on CA glue (aka super glue): it is usually fragile. Dropping the pipe can easily break the bond. The heat a mortise should experience is negligible. As such the flex of an epoxy bond generally makes it a superior choice for most pipe applications.

Just my $0.02.

Tyler

StephenDownie · Post by **StephenDownie** » Thu Nov 09, 2006 2:56 am

Tyler wrote:A quick comment on CA glue (aka super glue): it is usually fragile. Dropping the pipe can easily break the bond. The heat a mortise should experience is negligible. As such the flex of an epoxy bond generally makes it a superior choice for most pipe applications.

Just my $0.02.

Tyler

I'd agree 100% I've been making Delrin sleeves for years with my pipes and I've found the best results by far are with epoxy.

Butch_Y · Post by **Butch_Y** » Thu Nov 09, 2006 7:41 am

I'd agree 100% I've been making Delrin sleeves for years with my pipes and I've found the best results by far are with epoxy.

Any particular brand name you find to be the best?

bluesmk · Post by **bluesmk** » Thu Nov 09, 2006 10:03 am

I totally agree with Tyler and Steve. I use epoxy exclusively, the brand:System Three-T88. It's a structural epoxy, heat and cold resistant,and flexible to boot! By the way, Kurt uses it as well.
Dan
Gabrieli Pipes

StephenDownie · Post by **StephenDownie** » Sun Nov 12, 2006 4:27 am

Depending on the wood I need to glue I either use G2 Epoxy or 5 Cure Epoxy. Both are made by a company called Industrial Applications. You can get either or at Lee Valley Tools.

Post by **KurtHuhn** » Sun Nov 12, 2006 11:05 am

bluesmk wrote:I totally agree with Tyler and Steve. I use epoxy exclusively, the brand:System Three-T88. It's a structural epoxy, heat and cold resistant,and flexible to boot! By the way, Kurt uses it as well.
Dan
Gabrieli Pipes

Yes, the T-88 is powerful good stuff. The only drawback is that it takes a minimum of 24 hours to cure enough to work, and sometimes as long as 48 hours. However, if you have a pile of pipes in process, you can stage things so that you're not eing held up by one operation or one pipe.