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How much can you get away with using a cable tie?

Started by Binary Shadow, November 26, 2006, 00:06:30 AM

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Binary Shadow

Ok ill set the scene, 2 1U servers made by.. well who cares, bought from a well known auction site bare bones, gradually getting the kit together for them, get CPUs get the 1U height OEM copper heatsinks. now.. theres no clips.. rather than paying the extortionate costs from the OEM for them do you reckon some well placed cable ties will be enough to hold the heatsink down (there will be only the weight of it really no real force on the CPU the ties will just stop it hopping off when the box is moved really) and will they take the heat from the immense P4 2.8s? lol

Cheers for any input, i could just risk it as we know that the P4s can throttle back from high temps but id rather not have to scrape out molten cable ties

yes i know.. call me john wayne (cowboy)

Serious

I suspect cable ties wont stand up to the heat, they arent intended for anything like that use. If there is nothing that can easily be shorted out then try copper wire instead. loop it through and twist the ends together. This my not create enough pressure though

Binary Shadow

the problem is the usual clips would be spring and attach to 4 posts that come up through the heatsink, i think im doomed to pay stupid money for silly little clips :(

maximusotter

The resin will dry out and theyll fail just when you forgot about how cheap a bastard you were. :lol:

Binary Shadow

gah i dunno will think about it after iv got a price, they are only some old dell powervault 745s anyway

Binary Shadow

i folded and ordered the clips, Ã,£70.50 for 2x heatsink clip kits :(

maximusotter

Quote from: Binary Shadowi folded and ordered the clips, Ã,£70.50 for 2x heatsink clip kits :(

!!!

Insanitos!

Did they bend you over and do the business as well?! Oy, Id imagine a couple clip kits shouldnt cost more than 30 pounds, and even thats highway robbery!

Im getting into the clip kit business. Seems that the profit margin is something like 10K%

/faint

Binary Shadow

ah well they dont sell a lot of them but when you need a set your stuck so can bend you over a bit... bastids lol

Beaker

I would probably have tried thermal glue TBH.  Thats cheaper, and if you buy the decent stuff it doesnt degrade for 5 or 6 years.

knighty

cable ties would have worked gread !!!

youve no idea how many cable ties I use just to hold my world together !

M3ta7h3ad

Id have cable tied it tight. The plastic clips just hold it on, doesnt actually really squeeze it down.

redneck

cable ties, upon cable ties just incase they give.


cable ties dont dry out, they are made out of a polyproulene which only degrades after a couple of years of heat/cold exposure.

M3ta7h3ad

Thinking about it a pentium 4 can be quite expensive :) though it does have thermal protection, so Id definately just cable tie it.

If I was really worried Id thermal epoxy it, and cable tie it.

SteveF

Id have just used a thermal epoxy to stick the heatsink to the chips tbh

maximusotter

Never thought about epoxy...Id return the clips as soon as you got them. :lol: Ã,£70 buys a lot of pints and kebab. :P

Im still a thumbs down on zippies for such an app. I used them on my bike to attach fenders on the front fork, and they needed replacement about every 6 months as theyd get hard and crack. Probably UV exposure, but heat can do the same.