diyAudio

diyAudio (http://www.diyaudio.com/forums/)
-   Planars & Exotics (http://www.diyaudio.com/forums/planars-exotics/)
-   -   ESL stator fixing (http://www.diyaudio.com/forums/planars-exotics/107206-esl-stator-fixing.html)

405man 20th August 2007 04:29 PM

ESL stator fixing
 
I have finally got around to rebuilding some Quad ESL63 panels and I was looking for a suitable adhesive to re-attach the stators to there frames. The original adhesive looks like some kind of contact adhesive like Evostic but this is difficult to work with I have ordered some Slip-Fit very slow cyano adhesive which is designed to allow parts to be positioned during assembly and I was wondering if anyone has any experience with this and if it would be suitable for attaching the diaphragm to the frame. I shall post some photos of my progress

Stuartr

moray james 20th August 2007 05:53 PM

Working with CA's.....
 
inside even with a fume cupboard is never fun. Some of these can be very nasty to your health so a good fan and an open window are nice to have. Years ago I did have some ca's that were capable of making mylar get brittle but I cannot recall which ones. Would pay you to check that out to be safe. Also if the ca is a hard one and it wicks out onto the mylar diaphragm when you are mounting the mylar you can get sharp little flanges along the edge of the frame and the mylar can eventually rip or tear itself at these sharp points. Not my first choice for a bunch of reasons but it can do the job well if used with care and attention.

405man 20th August 2007 06:07 PM

Thanks for the advice, I have some adhesive that came with the film and I shall use that to attach it, though I think the CA will work well with the stators

Stuart

I_Forgot 21st August 2007 01:21 AM

The original adhesive seems to be either some sort of high melt temperature wax or a hot-melt glue. When I rebuilt my speakers I cleaned off the old stuff and applied the same contact cement I used to attach the diaphragms: scotchgrip 4693H. It hangs on tight!

I had previously made some repairs using cyanoacrylate but the joints bust pretty easily as the stuff has no "give". When I went to take them apart and completely rebuild each panel, my cyanoacrylate glue joints popped right apart with just a little pull.

I_F

405man 21st August 2007 12:31 PM

I saw you recommended scotchgrip 4693H in previous threads but I have been unable to obtain any here in the UK, did you strip and re-assemble your panels when you used the CA adhesive. I have looked at some later panels, the white ones, today and they use a different adhesive which is not really visible and looks better applied but some separation has still occurred

Stuart

I_Forgot 25th August 2007 05:30 AM

No, the CA repairs were done while the panels were assembled so I couldn't clean things off first. That could be why the stuff popped off easily. The scotchgrip stuff really works. The 4693H can be ordered from McMaster-Carr, a big industrial supplier- they probably ship overseas. Otherwise check industrial suppliers that deal in 3M products. When you're working on ESLs you have to be resourceful!

I_F

405man 27th August 2007 12:51 PM

Thanks for the information, I have emailed McMaster-Carr and await their responce. I have a damaged stator I can do some tests on, I shall try the CA and then try to pull it apart

Stuart

arend-jan 29th August 2007 09:27 PM

Hmm, I completed an order on the McMaster-Carr website and later got this e-mail:

"Thank you for sending us this order. Due to the ever-increasing complexity of U.S. Export regulations, McMaster-Carr has decided to only accept orders from a few, long-established customers of ours overseas.
We cannot accept your order, and regret any inconvenience this causes you.
"

:(

405man 29th August 2007 09:59 PM

Yes I got the same email

Stuart

arend-jan 29th August 2007 10:19 PM

There are a number of other suppliers but either they don't ship outside the US or you have to buy a pack of 36.. enough for multiple lifetimes :-)

It would be really cool if a helpfull US citizen would be prepared to buy and ship a couple of tubes... ?


All times are GMT. The time now is 07:07 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio


Content Relevant URLs by vBSEO 3.3.2