NEWS


Lanxess launches composite hollow profile technology


Lanxess says it is making the first customer prototypes for functional hollow profiles made with plastic-metal composites using an injection moulding process. The plastic-metal compo- nents have a much greater torsional stiffness and strength than could previ- ously be achieved with other technologies for functionalising hollow profiles, the company says. Lanxess sees potential


applications in the automo- tive industry, including cross car beams, coupling rods, stabilisers, seat elements


and other areas. The process does not


require auxiliary equipment or tooling technology, which keeps investment costs low. “With the aid of innovative tolerance management, we can prevent profiles of that type from damaging the


mould or stop leaks occur- ring in the injection mould- ing cavity.” said Matthias Theunissen, a lightweight design specialist at Lanxess. When thin-walled hollow


profiles are overmoulded, high pressures often exceeding 400 to 500 bar


occur in the cavity which present a high risk of the profiles deforming or collapsing. “We have optimised the process such that the profiles withstand the pressures that occur and do not need to be support- ed from inside,” said Theunissen. For the hollow-profile hybrid technology, Lanxess offers highly reinforced PA 6 types such as the easy-flow- ing Durethan BKV60H2.0EF DUS060, which has a short glass fibre content of 60% by weight. � www.lanxess.com


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