Plastic Coil Spring
Plastic Coil Spring
(OP)
While I understand why plastics my not be the first choice material for long lasting coil springs, I am interested in whether or not plastic coil springs are being manufactured anywhere. We have spent the last year or so following leads for plastic coil springs. No big successes yet. Any info anyone would care to share in this matter will be greatly appreciated. Thanks, K.






RE: Plastic Coil Spring
RE: Plastic Coil Spring
i have only seen leaf springs of carbon fibre, but torsion bars should also be possible. I expect that a coil spring could be made, but it would be somewhat more difficult to fabricate.
Thermoplastics will be a lot more difficult due to creep under load, which cause sagging to occur to much greater degree than steel springs.
Regards
pat pprimmer@acay.com.au
eng-tips, by professional engineers for professional engineers
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RE: Plastic Coil Spring
RE: Plastic Coil Spring
Regards,
Cory
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.
RE: Plastic Coil Spring
RE: Plastic Coil Spring
Aramid fibre is very good in tension, but very poor in compression as it fibrillates in compression, so this needs to be considered in the design.
DuPont and Akzo are the only really major manufacturers of Aramid fibres, and they should be able to help with info on Aramid fibre applications.
Regards
pat pprimmer@acay.com.au
eng-tips, by professional engineers for professional engineers
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.
RE: Plastic Coil Spring