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kimosabi

3d printed brake pads?

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Hi,

Apologies if this has been discussed before, or is a bad idea (probably), I was just wondering if 3d printed brake pads (i.e. for HS33 brakes) might be something to explore/try?
I read that some synthetic thermoplastic 3d printer filaments might work? E.g. eSun eLastic and Taulman PCTPE.
Would be interested in your thoughts on this.

Other bike parts would be a no go probably, but if you get a material that is strong enough, maybe it might make an interesting experiment?

 

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That could be a very good idea yes! Just needs to get the right material but I would be tempted to try it!

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Certainly worth playing around with if you have the kit and fancy having a go, but there are cheaper/more efficient methods of manufacture so it's unlikely we'll ever see it as a "mainstream" process as such.

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I think the first step is to understand what material current pads are made of. Anyone know exactly?

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Typically a polyurethane/similar. I've forgotten which durometer range off the top of my head, though 85A rings a bell. I may well be thinking of automotive applications there though, have a play with the forum search and you should find some good info from when every man and his dog were making their own pads BITD (Y)

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Gut feeling is it wouldn't work and there's no benefit unfortunately. The beauty of 3D printing is the ability to make complex shapes that would be difficult/expensive to make any other way. A brake pad is basically a cuboid of PU. Even if you printed in PU the resulting pad would most likely just delaminate quickly (i.e. shear along the build layers) and fall to pieces.

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