2. Shear springs
The shear spring is a rubber prism to each of whose bases a metal plate has been attached. With one plate attached, the other is forced to move parallel to the first by a force P located in its plane.
Shear work has little effect on the modulus of elasticity G as long as the form factor is greater than 0.5; but it is always accompanied by bending, for which a variable modulus of elasticity E must be considered.
The contribution of shear to deflection is given by :
and the proportion of bending is given by :
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Shear springs
Bibliography
References
Organizations
Syndicat national des fabricants de ressorts (SNFR) http://www.snfr-france.com
Centre technique des industries mécaniques (CETIM) http://www.cetim.fr
Standardization
French Standards Association (Afnor)
- Steels for quenching and tempering – Part 1: technical delivery conditions for special steels. - NF EN 10083-1 - Février 1997
- Steels for quenching and tempering – Part 2: Technical delivery conditions for unalloyed quality steels. - NF EN 10083-2 - Février 1997
- Steels...
Manufacturers, distributors
(non-exhaustive list)
A Borrelly http://www.borrelly.com
A3BR http://www.a3br.com
Mubea http://www.mubea.com
...
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