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Old 06-14-2015, 12:35 PM
tm24 tm24 is offline
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Default Serious Ply Separation

Hello,
I am very new to the forum though I have been on here as a guest for years. I am in a tough spot and trying to figure out what to do. I recently bought a couple vintage Gretsch Drums and over all they are decent but the floor tom has some major ply separation issues.

I thought I would ask if anyone had dealt with this sort of separation before as I have searched the internet (and this forum) for days. My initial thought is this.

1. Clean the area really well
2. Drill a few shallow holes to get more glue in
3. Glue it really well both through cut and through glue holes
4. Clamp it with some thin 1x1/2 strips over some wax paper with a piece of thin balsa type wood (so it can contour better while still applying pressure evenly).
5. Let it set and cure
6. Hope for the best.

Does anyone have any ideas?
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  #2  
Old 06-14-2015, 12:55 PM
DownTownFarmer DownTownFarmer is offline
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Default Re: Serious Ply Separation

Only thing I can think to add is if you can get a piece of drum shell with the same contour [shell size] and use that for clamping. I see you're in the US so sourcing a donor MIJ shell shouldn't be too difficult. Heck I have one myself I could cut a section out and send it along....though there must be someone closer.

Mitch
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Old 06-14-2015, 01:00 PM
tm24 tm24 is offline
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Default Re: Serious Ply Separation

I hadn't thought of that. I will do some searching locally and see what I can come up with.
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Old 06-14-2015, 05:34 PM
kevins kevins is offline
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Default Re: Serious Ply Separation

Quote:
Originally Posted by DownTownFarmer View Post
Only thing I can think to add is if you can get a piece of drum shell with the same contour [shell size] and use that for clamping. I see you're in the US so sourcing a donor MIJ shell shouldn't be too difficult. Heck I have one myself I could cut a section out and send it along....though there must be someone closer.

Mitch
Ditto, that's the way to go.....
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Old 06-26-2015, 06:19 PM
ringo kirke ringo kirke is offline
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Default Re: Serious Ply Separation

I do customizing and resto work for a living. Going by the pictures only, without physically having the drum in my hands I would use a syringe and inject the adhesive behind the delaminated ply(s) and clamp into place using scrap pieces of shell (as suggested above). I have had great results in the past using this method. You need to inject as much adhesive as possible covering as much of the affected area as possible. With covered finishes I have drilled very small holes from the exterior side of the shell(without actually drilling through the shell) and injected adhesive.
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Old 06-26-2015, 09:13 PM
green glass drum green glass drum is offline
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Default Re: Serious Ply Separation

I have always wanted to inject glue.
Which glue product works and where do you get the syringes?
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Old 06-27-2015, 08:32 AM
PopsOldSkins PopsOldSkins is offline
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Default Re: Serious Ply Separation

Here's where I get mine.
Elmers yellow glue or Franklin tight bond is what I use.

The four pictured on top are the needle applicators with a plastic cover.
http://www.rockler.com/precision-glue-applicators
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I did not trip and fall. I attacked the floor and I believe I am winning.
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Old 06-27-2015, 09:34 AM
jaghog jaghog is offline
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Default Re: Serious Ply Separation

Abatron has a A +B mix it's a wood hardener, I've had good success using it with a needle and inject the area , try a turkey injector and then clamp in goes fast we us it on historic sites for veneer separation ....
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Old 06-27-2015, 10:43 AM
Rik_Everglade Rik_Everglade is offline
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Default Re: Serious Ply Separation

Don't bother trying with a medical syringe, the needle's hole is way too fine to allow wood glue to flow through, I've tried it twice. The guy above said Turkey Baster: maybe, or maybe something between turkey baster and medical syringe.
Also, my children have Thomas the Tank Engine track pieces, and I've used those to clamp against the shell to keep the round form. I think that their radius is good for 16" to 18".
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Old 06-27-2015, 02:31 PM
green glass drum green glass drum is offline
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Arrow Re: Serious Ply Separation

Quote:
Originally Posted by PopsOldSkins View Post
Here's where I get mine.
Elmers yellow glue or Franklin tight bond is what I use.

The four pictured on top are the needle applicators with a plastic cover.
http://www.rockler.com/precision-glue-applicators
Thanks Pops
Rockler...Yeah.
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