Additive Manufacturing Layered powder metallurgy
Helping customers in additive manufacturing for production-grade metal parts, Stratasys is releasing further details of its new platform currently being developed and designed for short-run metal applications. First unveiled earlier this year, the additive platform is based on Stratasys’ innovative “Layered Powder Metallurgy” (LPM™) technology, designed to make production of metal parts quicker, easier and more cost-effective than before.
Intended to disrupt conventional manufacturing approaches, the advanced platform is being developed to combine the value of additive manufacturing with short-run metal parts production. The innovative technology is built to drive improved efficiency and cost savings using standard Powder Metallurgy (PM) alloys, mechanical properties with high accuracy and controlled shrinkage, as well as fast throughput.
“We note that current approaches to 3D printing metal parts leave a lot to be desired – including slow post-processing, painstakingly intricate support removal, and hours of matching and grinding. Combined with the high cost of AM powders, this means each part is expensive, with a total cost of ownership that is too hard to justify,” said Rafie Grinvald, Director of Product Marketing and Management, Stratasys. “Our new platform is being designed to transform the current metals additive manufacturing landscape – presenting a viable alternative to typical production methods – and helping customers dramatically reduce the costs of creating reliable, consistent production-grade, metal parts for short-run applications.”
Developed internally over the past several years, Stratasys’ platform incorporates the company’s proprietary jetting technology and commonly-used powder metallurgy, starting with offering Aluminium powders. The LPM™ solution includes a 3-step, additive manufacturing process combining traditional powder metallurgy with Stratasys’ PolyJet™ robust ink-jet technology. The process includes printing of boundaries with proprietary thermal ink, powder dispensing and spreading, and then compaction of the powder layer to achieve high-density and controllable shrinkage.
The end result is intended to be economically competitive vis-à-vis cost-per-part and throughput with easy to implement post-processing and extremely high part quality. The system aims to directly address needs of customers who require production of pilot-series parts, small-batch manufacturing during product ramp-up and end-of-life, as well as customized, lightweight, complex parts. The offering is ideal for such markets as automotive, aerospace and defense.
This article was first published on www.etmm-online.com.
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