ENGEL unveils lightweight design expertise at Chinaplas 2018

With the v-duo, ENGEL has developed a compact and energy-efficient machine specifically for fibre composite applications and multi-component processes with fibre preforms, and one which facilitates cost-effective solutions. Since the vertical clamping unit is freely accessible from all four sides, the automation of processes is simplified. When processing dimensionally unstable fibre preforms in particular, it is often advantageous to work in the direction of gravity.

Complex hollow parts in an automated HP-RTM process

Eight project partners - including KTM Technologies (Salzburg, Austria), Hennecke (St. Augustin, Germany) and ENGEL - have taken a critical development step towards the industrialisation of CAVUS technology by KTM, which enables even complex fibre composite hollow parts to be mass produced in an automated HP-RTM process. To demonstrate the new possibilities, the project partners developed a manufacturing cell to produce number plate holders for the KTM Super Duke 1290R.

The starting point for production is a core of sand and water-soluble additives specially developed for the application; this is braided with carbon fibres to produce the preform. The fully automated process step enables complex geometries to be mapped very precisely with high material throughput. The preform already has the final contour of the finished part. For the HP-RTM process, the preform is then automatically inserted into the mould on the ENGEL elast machine. STREAMLINE technology from Hennecke enables precise injection of the raw material system in seconds: the whole curing process takes just 125 seconds. After the robot removes the part from the mould, the sand core is rinsed with water.

Up to now, the number plate holders have been solely made in an injection mould with a shot weight of 765 grams. In the composite design based on CAVUS technology, each number plate holder weighs just 265 grams, equivalent to a weight reduction of 62 percent. The hollow version also offers design advantages: the wires for the indicators and the number plate lighting are very well protected as they are connected inside the number plate holder.

cavus technology

CAVUS technology from KTM enables even complex hollow parts to be mass produced in an automated HP-RTM process.

Source: ENGEL


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