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Need ideas how to hold my LED panel to wood

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Rain
 Rain
(@rain)
Posts: 5
Active Member
Topic starter
 

Hi!

I glued my LED strips to aluminim as can be seen on attached image. At first I planned to screw it to wood but then realized that my design would cause short circuit because my screws are too close to wires. And without 3D printer I can't produce non-conductive plastic alternatives for these screws. With my previous panel I used glue but it turned out it did not like thermal expansion of aluminium. Which is what I tried to fix this time by drilling a little bit larger screw holes in aluminium so that it can expand and contract but sadly now I am stuck again. Any suggetsions how to connect that LED panel to wood in a way that allows a little bit of thermal expansion and that is also fine electrically?

 

 

 LEDPanel
 
Posted : 09/04/2022 10:11 pm
Sandy
(@sandy)
Posts: 29
Eminent Member
 

You could use something like 3M VHB tape or just silicon.

I can't quite tell from the photo but is the problem that the screw heads are touching the LED circuit wires?

 
Posted : 10/04/2022 8:35 am
Rain
 Rain
(@rain)
Posts: 5
Active Member
Topic starter
 

How would I use silicon? I have no previous experience with that. You mean use this thing?

and then do borders with that?

yes the problem is that  if I was to solder wires it would touch screw head.

 
Posted : 10/04/2022 10:57 am
Sandy
(@sandy)
Posts: 29
Eminent Member
 

Silicon sticks to pretty much anything so you can literally just apply it to the back of the aluminium and then stick it to the wood. It's normally used as a bathroom sealant but anything that sticks to things can be used as glue 😊 

The only thing is that it comes out thiiiiiick, like pretty much all gun adhesives. If you want a flush final fit I would be tempted to use the VHB tape.

People tend to think that tape isn't strong but it really is.

 
Posted : 10/04/2022 12:32 pm
Tim
 Tim
(@tim)
Posts: 32
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Posted by: @rain

Hi!

I glued my LED strips to aluminim as can be seen on attached image. At first I planned to screw it to wood but then realized that my design would cause short circuit because my screws are too close to wires. And without 3D printer I can't produce non-conductive plastic alternatives for these screws. With my previous panel I used glue but it turned out it did not like thermal expansion of aluminium. Which is what I tried to fix this time by drilling a little bit larger screw holes in aluminium so that it can expand and contract but sadly now I am stuck again. Any suggetsions how to connect that LED panel to wood in a way that allows a little bit of thermal expansion and that is also fine electrically?

 

 

LEDPanel

you cab actually keep this design and be smart with the wiring. LED strips can be soldered on any exposed connection pad. The way I did mine was connecting them in the middle rather than at the ends

 
Posted : 15/04/2022 6:16 am