Hollow shaft made of a material having a low modulus of...

Details Hollow shaft made of a material having a low modulus of... Hollow shaft made of a material having a low modulus of...

F - Mech Eng,Light,Heat,Weapons

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64/1, 113/47

F01L 1/04 (2006.01) B21D 39/04 (2006.01) C07D 223/16 (2006.01) C07D 401/06 (2006.01) C07D 401/14 (2006.01) C07D 403/06 (2006.01) C07D 403/14 (2006.01) C07D 405/14 (2006.01) C07D 409/14 (2006.01) C07D 491/04 (2006.01)

Patent

CA 1287226

Abstract of the Disclosure: An assembly includes a hollow shaft formed of a material having a modulus of elasticity of less than 150,000 N/mm2, and drive elements secured on the shaft by expansion of the shaft. The shaft and the drive elements have a relationship such that: ?FA > 0.6 ?Fw EA/Ew [(rwa/rwi)2 - 1], and rAi - rwa > ?Fw/Ew - rwa. In this relationship, ?FA is the yield point and EA is the modulus of elasticity of the material of the drive elements in N/mm2. ?Fw is the yield point and Ew is the modulus of elasticity of the material of the shaft in N/mm2. rwa is the outside radius and rwi is the inside radius of the shaft and rAi is the inside radius of the drive element, in mm.

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