How do I make a simple, flat torsion spring? (in stainless?)

[Russ BParticipant @russb]

just because it's the only way familiar to you 😀

– Nick on 17/01/2017 19:02:59

I must admit, I thought this was the only way to make a proper spring and so a big thanks to all that contributed, I have made the springs, they are significantly better than the OEM ones which were more like cheap chinese paperclips.

An Other, perhaps you didn't read my original post describing the item and its purpose – and if you did, fair enough, I guess your one of those that has your brakes completely refurbished, because the garage told you they "needed doing" – I got told that once, and they had only just been done 3000 miles previously – but the worlds awash with fools silly enough to pay – I'd be surprised if some garages did even half the work they claim.

[Roderick JenkinsParticipant @roderickjenkins93242]

Beryllium-copper wire seems to be perfect for this job. Corrosion resistant, easily formed in the annealed state – you just need to soak it at 310C for 2 hours to develop the springiness which, sadly, is just too hot for a domestic oven but fine if you have one of these

Rod

Edited By Roderick Jenkins on 17/01/2017 20:52:17

[Russ BParticipant @russb]

Rod thanks, I'll keep that in mind going forwards.

I have an oven quite a bit larger than that in the lab at work, along with a small benchtop box furnace and some other useful heat treatment kit, they're frequently left on for significant amounts of time, just a case of waiting for something to come up at the same temperature.

[Nick HulmeParticipant @nickhulme30114]

Posted by Russ B on 17/01/2017 20:40:50:

I guess your one of those that has your brakes completely refurbished, because the garage told you they "needed doing" –

I'm more "one of those who's been doing their own maintenance since their teens"

All the caliper systems I've dealt with with springs acting on the pads have had new springs included with an OEM spec pad set, so on the odd occasion where a spring has failed before a pad set change I've made one in the knowledge that it will go in the bin at the next pad set change,

– Nick

Edited By Nick Hulme on 18/01/2017 09:38:34

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