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Cutting Sleaving Properly without Fraying

A

aldy402

2[H]4U
Joined
Feb 23, 2005
Messages
3,404
Everytime I cut sleaving , it always frays like a motherf**ka, I ultimately end up losing about a whole foot by the time im down with a psu, are there any ways to prevent the fraying? I've heard numerous reports about people heating up their scissors before cutting but haven't tried it as of yet, anybody have any other methods?

thanks
 
I just did mine last week.. I just cut it carefully with scissors, then used my heat gun to re-melt the end of the sleeving so it stayed stuck together. Just a quick touch to the heat-gun barrel is enough. I suppose you could heat up the scissors or a razor blade, but you might have to have gloves on to hold it, unless the handles were plastic insulated. :p
 
You can purchase hotknifes at various hardware stores that are deisgned for cutting plastics and foam.
 
As the last post suggested... The best way to cut them is just use a sharp pair of scissors and use a lighter. In particular I bought the extended type of lighter with the long barrel for ease. They light electrically so you dont have to try over and over again to get a light. Works perfect...
 
Actually classic zippo styles would not do as well. It helps to be able to direct the flame and zippo's just flicker around while you try to put just the end of the nylon into the flame. Preferrably a butane torch style or barreled lighter would work best.

Also, just FYI, make sure you dont have anything you dont want burned (ie hands and arms) because burning enough of the wire loom will drip flaming plastic if you get too aggressive. Not good for bare arms and hands. Make sure your work area is okay to get melted plastic on it. Just make sure you just barely burn the frayed edges in order to not drip melted plastic. If you are worried about it, practice...
 
Mickey21 said:
Actually classic zippo styles would not do as well. It helps to be able to direct the flame and zippo's just flicker around while you try to put just the end of the nylon into the flame. Preferrably a butane torch style or barreled lighter would work best.

Also, just FYI, make sure you dont have anything you dont want burned (ie hands and arms) because burning enough of the wire loom will drip flaming plastic if you get too aggressive. Not good for bare arms and hands. Make sure your work area is okay to get melted plastic on it. Just make sure you just barely burn the frayed edges in order to not drip melted plastic. If you are worried about it, practice...
Click to expand...

my Zippo works great for sleeving... I just don't put the sleeving right to the flame, I put it close to (but not touching) the metal grid around the wick. It gets hot enough to melt the ends of the sleeving enough for me to then push the sleeving down onto my work surface so it doesn't stay too constricted to fit wires through.
 
Heh.
I used a slightly more...ghetto...method.

I got a pair of scissors with VERY insulated handles. Set said scissors on the eye of an electric stove, and let them heat up to the point where they'd melt the sleeving. Remove, cut, replace.

Be sure to get GOOD insulated scissors though...and be sure you won't miss them when you're done...the tempering on the steel will be trashed.

-Ghent
 
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