MATERIALS | 3D PRINT COMPOUNDS
Right: CRP Technology’s Windform
technology has been used for products in motor sports, such as this Nascar electrical enclosure from DCE
OEMs have already qualified for spare parts production shows that we are on the right track,” said Marcus Rech- berger, Product Manager for Luvosint at the Lehvoss Group. “Nevertheless, in laser sintering, there still needs to be a willingness to innovate in order to develop even more industri- ally relevant materials, including machines optimised for this, in order to bring industrial 3D printing into series.” At the 27th Vehicles and Transportation
Technology Innovation Meeting in Turin, Italy, in March, 3D printing service bureau CRP Technology further underlined the advantages of selective laser sintering in combination with thermoplastic composite materials from its Windform range. Windform is a polyamide-based material reinforced with glass fibre considered particularly suitable for applications where the material has to be able to flex for extended periods without risk of damage. Other benefits include lightweight design, resilient functionality across a broad temperature spectrum (-35°C to +191°C), superior mechanical perfor- mance encompassing high strength, impact resistance, thermal stability, liquid and moisture resistance, vibration damping, and corrosion resistance. The company said the material has also demonstrated outstanding electrical insulation performance, as confirmed by dielectric constant and dielectric strength tests which revealed a dielectric constant of approximately four and
withstanding peak voltages of at least 2.5 kV/mm. These results are significant for electrical applications, where maintain- ing a dielectric constant around four is crucial, especially in fully electric vehicles with high voltage. Windform products have been used in the supercar sector, offering solutions that satisfy the extreme
requirements typical of high perfor- mance vehicles. Moreover, 3D printing solutions
in Windform are being increasingly utilised in hybrid propulsion systems. “Windform materials were developed to
address the everyday challenges faced by CRP’s Motorsports clientele,” said Franco Cevolini, CEO and Technical Director of CRP Technology. “Initially utilised for creating superior parts for wind tunnel tests, they have since become instrumental in producing race-ready components with unprec- edented features. These remarkable results have propelled Windform composites to the forefront of advanced industry sectors such as automotive and aerospace. In recent years, the synergy between the expertise of CRP Technology as a leading 3D printing service bureau and the advanced solutions offered by Windform materials has paved the way for groundbreaking innovations in the supercar and hybrid propulsion sectors.”
Windform is also being used to manufacture items as diverse as pipes, drones, and orthotics. In the latter sector, CRP worked in collaboration with
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IMAGE: CRP/DCE
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