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Cooperation Agreement between KraussMaffei and Dieffenbacher

31 May 2010

The Reaction Process Machinery division of KraussMaffei has concluded a cooperation agreement with Dieffenbacher for the worldwide sale of machines for the high-pressure resin transfer moulding process (HP-RTM machines).

In their cooperation, the two companies have the rapidly burgeoning market for CFRP components in the automotive industry in their sights.

One contact for global turnkey solutions

The companies say that the high-pressure resin transfer moulding process for carbon fibre composites is set to take on a key role in automobile technology in future: Through their shared marketing, KraussMaffei and Dieffenbacher are now offering turnkey solutions for this process to customers all over the world, from a single source: An important part of the cooperation is also focussed on joint future developments, such as in minimising process times in order to increase efficiency even further.

The cooperation is designed to meet the demand for body-in-white parts to be used in electric and hybrid vehicles. The difficulty of handling the semifinished fibre parts (fabrics and scrims) means that vertical presses are needed for this task, in which the items to be pressed can be loaded and draped into the lower dies. The subsequent process of filling with epoxy resin or polyurethane is performed using high-precision mixing heads in order to avoid degradation of the fabric. These mixing heads are directly flange-mounted on the mould. The pressure within the die during the curing process (reaction process) is up to 100 bar. Future joint developments such as minimising the reaction duration will also be an important part of the cooperation, because the process time is a significant factor in determining economic viability.





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