Abstract
A mechanical analytic model for composite tube spin-bonding is proposed by using the slab method to provide a theoretical guidance for the manufacture of composite tube through spin-bonding process. The model assumes the friction between the roller and clad tube, the mandrel and matrix tube, the clad and matrix tubes to be Coulomb friction. Based on this model, the vertical stress distribution at the deformation zone can be easily and rapidly calculated, and the effects of thickness reduction, interfacial friction coefficient and ratio of yield stress on spin-bonding process are investigated. The results show that large thickness reduction and high interfacial friction coefficient are effective for spin-bonding.
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