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General => General Discussion => Topic started by: latestarter on February 23, 2017, 07:15:21 AM

Title: What size magnets
Post by: latestarter on February 23, 2017, 07:15:21 AM: I'm looking at using rare earth magnets to hold up about a metre of led strip lighting in the camper. Can anyone who has done similar recommend what size magnet to use. I've never used these before.
I'm thinking of stealing an idea from here .... Putting the strip in aluminium channel and gluing the magnets to that.
Cheers
Title: Re: What size magnets
Post by: edz on February 23, 2017, 07:37:34 AM: Not sure if Bumblings still have them, try the door latch section ? I got a stack of four button magnets approx 10mm Dia and 4mm thick each, Sorry cant remember the price ..
They are very strong [ currently using them to hold the door of the camper closed instead of a latch lock ] ..
Jaycar are expensive for magnets too .
When yo glue them onto the ally, shrink a piece of electric shrink wrap over them and the strip to help keep them in place
Title: Re: What size magnets
Post by: paceman on February 23, 2017, 08:00:45 AM: when i made my first set of LED lights, i used two magnets (got them from ebay) which were about 30mm long by 10mm wide by 5mm deep, and then as previous posters have said, just used some heatshrink to keep it on the PVC, which i used used as a base for the strip lighting...

two of these magnets were sufficient to hold up a metre long piece of PVC with LED strip lighting attached.

pic below:

(http://i940.photobucket.com/albums/ad246/paceman007/LED%20lighting/IMAG0253_zpseca42dcf.jpg)
Title: Re: What size magnets
Post by: Pete79 on February 23, 2017, 08:11:30 AM: Quote from: paceman on February 23, 2017, 08:00:45 AM
when i made my first set of LED lights, i used two magnets (got them from ebay) which were about 30mm long by 10mm wide by 5mm deep, and then as previous posters have said, just used some heatshrink to keep it on the PVC, which i used used as a base for the strip lighting...

two of these magnets were sufficient to hold up a metre long piece of PVC with LED strip lighting attached.

pic below:

(http://i940.photobucket.com/albums/ad246/paceman007/LED%20lighting/IMAG0253_zpseca42dcf.jpg)

Love your work mate.
Neat stuff right there.
Title: Re: What size magnets
Post by: Troopy_03 on February 23, 2017, 08:49:55 AM: I was a tight*rse, I stripped out the magnetic flexible strip from an old fridge seal, and glued that to the backs of my aluminium LED strips.
Title: Re: What size magnets
Post by: tryagain on February 23, 2017, 09:03:01 AM: I have used 10mm x 3mm round rare earth /neodymium magnets and they are plenty strong enough.

(http://i233.photobucket.com/albums/ee228/Timandbecphillips/IMG_20170223_082520988.jpg)

If you are not in a big rush then they can be had pretty cheap here.
http://www.ebay.com.au/itm/Lots-10x-Super-Strong-Round-Magnet-Disc-10mm-X-3mm-N35-Rare-Earth-Neodymium-/180903270041?hash=item2a1eacd699:g:1UcAAOxygPtSxlBg (http://www.ebay.com.au/itm/Lots-10x-Super-Strong-Round-Magnet-Disc-10mm-X-3mm-N35-Rare-Earth-Neodymium-/180903270041?hash=item2a1eacd699:g:1UcAAOxygPtSxlBg)

Anyone using rare earth magnets should be aware that they can be very dangerous if swallowed and have been banned for use in/as toys. (http://www.productsafety.gov.au/bans/small-high-powered-magnets) Not a big issue if you are careful with them but just something to be aware of, especially if you have little kids.
Title: Re: What size magnets
Post by: Bird on February 23, 2017, 09:44:32 AM: Got mine from https://www.carbatec.com.au/ (https://www.carbatec.com.au/)

5 cent piece size will hold up all the strip lights ... these ****ers are mega strong.

http://www.myswag.org/index.php?topic=39100.0 (http://www.myswag.org/index.php?topic=39100.0)
Title: Re: What size magnets
Post by: latestarter on February 23, 2017, 01:06:31 PM: Thanks everyone ... and thanks for the links.... appreciated.