COMPOSITES EUROPE

Machine manufacturing will generate crucial growth impulses for composites

Excellent properties make these materials increasingly attractive for machine manufacturers

The automotive industry, construction, aviation and wind power are the major customer industries for fibre composites, a sector where more and more mass-production applications can be found.

By contrast, machine manufacturing as an application area for composite structures is still doomed to a shadowy existence. Quantities are still too small, challenges too complex. However, their outstanding lightweight construction properties thanks to their low density and mass, high strength and stiffness, abrasion, corrosion, temperature and chemical resistance, adjustable thermal expansion coefficient, electrical conductivity as well as their potential for incorporating smart components, make these materials increasingly attractive for machine manufacturers.

Be it gripper systems, cones, con rods, oscillating beams or buncher bows, blades, robot arms, springs, drive shafts, rollers or components for textile and machine tools – we are already seeing many applications in machinery production realised with the help of GFP or CFRP today. “There are no big volumes or large series in production yet but there are many niche areas with high potential,” says the study “Serienproduktion von hochfesten Faserverbundbauteilen – Perspektiven für den deutschen Maschinen- und Anlagenbau“ (Mass Production of High-Strength Fibre Composite Components –Perspectives for German Machinery and Plant Manufacturers) published in 2012 by Roland Berger Strategy Consultants and the VDMA-Forum Composite Technology. Experts forecast moderate growth and regard technical necessities as well as efficiency and economic aspects as key drivers.

This forecast is supported by more recent studies. In its current survey of market KPIs for fibre-reinforced plastics Composites Germany polled all member companies of the four professional organisations AVK, CCeV, CFK-Valley and VDMA-Arbeitsgemeinschaft Hybride Leichtbau Technologien and published the results earlier this year in the “10. Composites-Markterhebung” (10th Composites Market Survey). According to this survey, machine manufacturing is stated more and more often as one of the user industries on the composites market expected to generate substantial growth impulses.

In its report “Bestandsaufnahme Leichtbau in Deutschland” (Taking Stock of Lightweight Construction in Germany) published in 2015 the VDI Centre for Resource Efficiency sees machinery and plant construction as a large and growing market for lightweight construction solutions. Manufacturing for the energy sector and medical device technology shows great dynamism, they say. The authors write: “The biggest lightweight construction markets in machinery manufacturing in the short to medium term lie in high-strength steel, aluminium as well as fibre-reinforced plastics (GRP, CFRP, etc.).”

The report goes on to say that the materials are being increasingly used for moving components. “One research focus is the development of highly dampening, lightweight construction composites designed to achieve higher machining precision and speed, longer service life as well as less tool wear.“ In addition to this, experts have identified not only technical but also social benefits associated with the use of composites in mechanical engineering: “Lightweight construction also affords us with a technology for older users since lighter production machinery can reduce work-related loads.”

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