Additive Manufacturing

MAR 2018

ADDITIVE MANUFACTURING is the magazine devoted to industrial applications of 3D printing and digital layering technology. We cover the promise and the challenges of this technology for making functional tooling and end-use production parts.

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RAPID 2018 / On Display 47 Hybrid Process Supports High-Performance Aerospace Parts Arconic, Booth 1818 Arconic showcases its Ampliforge process, a hybrid tech- nique that the company says combines the advantages of additive manufacturing and advanced forging processes. Using the Ampliforge process, Arconic designs and 3D prints a near-complete part, then treats it using an ad- vanced manufacturing process, such as forging. According to the company, this process enhances the properties of 3D-printed parts, increasing toughness, fatigue and strength versus parts made solely by additive manufactur- ing. The resulting parts have properties that meet existing forging specifications for strength, fracture toughness, fatigue and metal integrity, while offering advantages including reduced tooling costs, fewer forging operations and better utilization of raw material. The Ampliforge process reduces material input and production lead times, expanding the range of aerospace applications for AM to include larger aerospace parts, such as the spars pictured. Ultrasonic AM Integrates Sensors into Metal Fabrisonic, Booth 837 Fabrisonic's Ultrasonic Additive Manufacturing (UAM) technology can bond metal at room temperature using sonic energy. Ultrasonic joining is a solid-state welding process that does not require melting, enabling direct integration of temperature-sensitive components such as thermocouples, strain sensors, pressure transducers and active control elements into 3D-printed metal parts. For example, the company has 3D-printed various aero- space components including wing struts and key mounting brackets with embedded fiber optic strain sensors. These instrumented components were then used to directly cor- relate external loads to internal strain at specific locations. Applications include improving process control by gathering data on internal processes, implementing data-driven decisions on inspection and maintenance intervals, lightweighting production hardware through data collected during prototyping, and enabling the Internet of Things by collecting data inside machinery. Service Provider Adds Multi Jet Fusion Technology Proto Labs Inc., Booth 1740 Protolabs Europe announces the addition of Multi Jet Fusion to its suite of 3D printing technologies. This production -grade 3D printing technology, developed by HP, is designed to build fully functional plastic prototypes and parts with speed, precision and consistency. The company now offers customers four industrial 3D printing processes which can produce plastic, metal and elas- tomeric components in as fast as one day. Multi Jet Fusion technology is suited for producing functional prototypes, jigs and fixtures, production-ready parts, and components that require high strength or temperature resistance.

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