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Rapid 2019: Interview with GE’s Jake Brunsberg on Binder Jetting for Manufacturing

A while ago GE announced its’ surprising entry into the binder jetting market. GE was already active in two metal 3D printing technologies Laser Powder Bed Fusion and Electron Powder Bed Fusion. Both these technologies use an energy source to selectively heat grains of powder in a sealed chamber. PBF based technologies produce dense, accurate parts that are being used in aerospace, implants, dental and other demanding applications. PBF technologies are far from perfect. The initial investment is high (around $1.5m if you want to do manufacturing) and requires an industrial gas installation and sophisticated resources, employees and knowledge. It may take a company a year to coherently manufacture parts with Powder Bed Fusion for metals. But, once they do they can reliably make tens of thousands of parts in a predictable way with these technologies. Arcam’s EPBF is being used at GE Additive to make turbine blades and […]

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