GlobalSpec News Desk | April 24, 2024
ARBURGadditive’s broad portfolio of products for high-quality 3D printing will be on show at rapid+tct in Los Angeles, California, June 25 to June 27, at stand 2001. A high-temperature version of the Freeformer 750-3X will be processing Ultem 9085 plastic granules. This high-temperature material is frequently used in the aerospace industry. Also on display will be “ProcessLog,” the user-friendly Arburg customer portal app that can be used to reliably track process quality.
The Freeformer 750-3X has three discharge units and produces functional components that can be additively loaded. Source: Arburg.
Processing of high-temperature plastics
The Freeformer 750-3X can process virgin plastic pellets and certified materials in Arburg Plastic Freeforming (AKF), including hard/soft combinations and high-temperature materials. For this purpose, the build chamber can be heated up to 200° C; the plasticizing takes place at up to 450° C. A typical application is the production of geometrically demanding ventilation ducts for the aerospace industry from virgin Ultem 9085 pellets.
The 750 cm2 build plate can be used to produce larger functional components or additively manufacture small series on an industrial scale. A compact mass pressure generator equipped with servo motors from AMKmotion (a member of the Arburg family), delivers tiny droplets at a rate up to 400 hertz to print parts that are similar in density to injection molded parts.
Shoe insole example: Reduction of construction time and costs
The Gestica control system is also optimized for additive manufacturing in terms of process stability, part quality and build time. Based on the slicing data, the exact amount of material required to build each individual layer is calculated. The variable dispensing behavior helps to reduce the dwell time. The example of customized orthopedic insoles up to shoe size 50 (EU) shows how the construction time and costs per component can be significantly reduced, e.g. by optimizing software features and grid-shaped support structures. The footbed can be individually reinforced or made soft, depending on the wearers needs — either through a multi-material combination (e.g. of hard PP and flexible TPE) or by adjusting the filling density. Thanks to an adapted discharge strategy and layer thickness, the construction time was reduced by 72%.
ProcessLog: Seamless component documentation
A reproducible and reliable additive manufacturing process is an indispensable prerequisite for the use of additively manufactured functional components in safety-relevant areas. For patient-specific implants or ventilation ducts in airplanes it is essential that parameters to produce each individual component can be fully documented and traced. To this end, Arburg offers the “ProcessLog” customer portal app, which clearly visualizes and documents a wide range of process and build order data. This significantly reduce rejects and error rates.
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