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T60 Build, problem with braces (solved)

Posted: Wed Jun 24, 2020 3:28 pm
by flashero
Hi, how are you guys?, I'm building 4 T60, 2 27" Lab15 and 2 20" Lab12, I have a problem with the braces, some don't get glued, and some detach with some easy pressure on them, what could I'm doing wrong?, any tips?, I attach picture and videos.

Best regards!

Videos link download (WeTransfer): https://wetransfer.com/downloads/d2a3c0 ... 614/66a982

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 3:52 pm
by Bruce Weldy
I'm confused.....which braces in a T60 don't get glued?

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 4:02 pm
by flashero
Bruce Weldy wrote: Wed Jun 24, 2020 3:52 pm I'm confused.....which braces in a T60 don't get glued?
Hi Bruce, I mean, they don stay glued...

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 4:22 pm
by Bill Fitzmaurice
What glue did you use?

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 4:41 pm
by flashero
Bill Fitzmaurice wrote: Wed Jun 24, 2020 4:22 pm What glue did you use?
Hi Bill, I'ts Polyurethane Adhesive, Ketol K-515 (I'm from Argentina)

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 5:12 pm
by Seth
Are you using enough glue? All the urethane adhesives I've used foam out of the joints as they cure. I wasn't able to see evidence of that in your video. Also, are you securing your joints so that they have some compression while they cure? Clamps, screws, brads?

My 3rd guess was going to be too little humidity, but according to the weather forecast for your area, it's 68% relative with mild temperatures. I don't think that's the issue.

Do you have a web link to the glue you used? Not getting a single thing in my search.

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 5:27 pm
by flashero
SethRocksYou wrote: Wed Jun 24, 2020 5:12 pm Are you using enough glue? All the urethane adhesives I've used foam out of the joints as they cure. I wasn't able to see evidence of that in your video. Also, are you securing your joints so that they have some compression while they cure? Clamps, screws, brads?

My 3rd guess was going to be too little humidity, but according to the weather forecast for your area, it's 68% relative with mild temperatures. I don't think that's the issue.

Do you have a web link to the glue you used? Not getting a single thing in my search.
Hi Seth, yes I'm using plenty of glue. As you can see in the picture, I'm using a piece of ply and nails to join the parts, this is the PDF of the glue (it's in spanish) https://www.miceli.com.ar/wp-content/up ... /k-515.pdf

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 5:38 pm
by Seth
flashero wrote: Wed Jun 24, 2020 5:27 pm
SethRocksYou wrote: Wed Jun 24, 2020 5:12 pm Are you using enough glue? All the urethane adhesives I've used foam out of the joints as they cure. I wasn't able to see evidence of that in your video. Also, are you securing your joints so that they have some compression while they cure? Clamps, screws, brads?

My 3rd guess was going to be too little humidity, but according to the weather forecast for your area, it's 68% relative with mild temperatures. I don't think that's the issue.

Do you have a web link to the glue you used? Not getting a single thing in my search.
Hi Seth, yes I'm using plenty of glue. As you can see in the picture, I'm using a piece of ply and nails to join the parts, this is the PDF of the glue (it's in spanish) https://www.miceli.com.ar/wp-content/up ... /k-515.pdf
Ah! Found it. It's Kekol, not Ketol.

How long did it dry before testing it?

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 6:10 pm
by flashero
SethRocksYou wrote: Wed Jun 24, 2020 5:38 pm
flashero wrote: Wed Jun 24, 2020 5:27 pm
SethRocksYou wrote: Wed Jun 24, 2020 5:12 pm Are you using enough glue? All the urethane adhesives I've used foam out of the joints as they cure. I wasn't able to see evidence of that in your video. Also, are you securing your joints so that they have some compression while they cure? Clamps, screws, brads?

My 3rd guess was going to be too little humidity, but according to the weather forecast for your area, it's 68% relative with mild temperatures. I don't think that's the issue.

Do you have a web link to the glue you used? Not getting a single thing in my search.
Hi Seth, yes I'm using plenty of glue. As you can see in the picture, I'm using a piece of ply and nails to join the parts, this is the PDF of the glue (it's in spanish) https://www.miceli.com.ar/wp-content/up ... /k-515.pdf
Ah! Found it. It's Kekol, not Ketol.

How long did it dry before testing it?
Sorry, sorry, I misspelled xD.

About 8 hours.

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 6:38 pm
by Seth
flashero wrote: Wed Jun 24, 2020 6:10 pm About 8 hours.
The cure time is stated as 24 hours, variable with humidity and temperature.

Here's what I'd try... instead of butting the parts end to end, cut each piece full length and glue the full overlapped portion for increased bonding surface area. Also, I may try spritzing the joint with water and keep it in a warm place for at least 24 hours. I'd try it out on test pieces first until I found an acceptable solution.

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 6:53 pm
by Seth
Here's what Gorilla Glue (popular option here in the States) looks like after curing. Gorilla Glue is an expanding polyurethane adhesive, however it is not recommended as a construction adhesive for any Bill Fitzmaurice designs that require airtight construction.
Image

I'd think the glue you're using would/should look similar once cured.


In any case, you just have to do the best with what's available in your area if you can't find the recommended adhesive, PL Premium Construction Adhesive.

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 7:35 pm
by flashero
SethRocksYou wrote: Wed Jun 24, 2020 6:53 pm Here's what Gorilla Glue (popular option here in the States) looks like after curing. Gorilla Glue is an expanding polyurethane adhesive, however it is not recommended as a construction adhesive for any Bill Fitzmaurice designs that require airtight construction.
Image

I'd think the glue you're using would/should look similar once cured.


In any case, you just have to do the best with what's available in your area if you can't find the recommended adhesive, PL Premium Construction Adhesive.
Yes, I know. I can glue them like this pic i attach, it's not the best looking, but i think i will work.

Re: T60 Build, problem with braces

Posted: Wed Jun 24, 2020 9:42 pm
by Seth
That looks worth a try. Black paint will hide that pretty well too. I'm curious how and what works out for you in the end. Please keep us posted on your success or lack of success. Could help someone else in the future. Good luck :thumbsup:

Re: T60 Build, problem with braces

Posted: Thu Jun 25, 2020 9:49 am
by Rich4349
A very basic lap joint would look better than that, and even have a little more contact area.

https://kitchencabinetkings.com/glossary/lap-joint/

Re: T60 Build, problem with braces

Posted: Thu Jun 25, 2020 10:14 am
by flashero
Rich4349 wrote: Thu Jun 25, 2020 9:49 am A very basic lap joint would look better than that, and even have a little more contact area.

https://kitchencabinetkings.com/glossary/lap-joint/
Thank you, yes, the problem is there is more than 400 parts to mill, for the braces xD