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Cutting carbon steerer tubes(5 posts)

Cutting carbon steerer tubesxxl
Dec 23, 2003 2:37 PM
The previous question about cutting carbon steerer tubes got me to wondering: Could one use a "wheeled" tubing cutter, like those used on metal plumbing, to cut the CF? Not itching to try it, mind you, but curious as to whether it'd work.
No, it won't work at allKerry Irons
Dec 23, 2003 4:38 PM
A tubing cutter relies on the fact that metal is ductile. They are cutting through the metal tubing like a knife through butter, not removing any material but pushing it aside. With this mental image, you can understand why you can't use a tubing cutter on a fiber reinforced brittle plastic. For that kind of material, you need to saw through it, removing material via the abrasion of the saw blade. If you use a tubing cutter on a CF tube, it would crack and split like crazy.
I used one.bikefreax
Dec 23, 2003 5:11 PM
I used one on my tube, It did not cut all the way through due to the limited size of the blade so we used a dremel with a cutting tool to finish. Then used the dremel to smooth everything out. After reading though I will go the hack saw route with my wife's fork when it arrives.
re: Cutting carbon steerer tubeslithiapark
Dec 23, 2003 5:43 PM
I didn't think it would work so I did a practice cut on my ouzo pro (I was going to cut off three inches anyway). It didn't work. You get a nice groove that is perpendicular to the axis of the tube, but then the fiber layers start to delaminate which could be the start of something nasty. I did the real cut with a hacksaw after I made a faint groove with the pipe cutter as a guide, and then filed the end smooth.
Point Loading Carbon Tubes is a BAD IDEA! (NM)davidxy
Dec 26, 2003 10:27 AM