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Office metal, leader in mass production additive manufacturing (AM) solutions, announcement he described the use of 316L stainless steel for the Shop System â„¢, the world’s first metal binder spraying system designed for machine shops. With an expanded material portfolio, users can now take advantage of affordable, high-quality binder jet technology to print 316L stainless steel end-use parts with throughput, print quality and productivity inaccessible through existing additive manufacturing processes.
Known for its corrosion resistance, high ductility and excellent mechanical properties at extreme temperatures, 316L stainless steel is an austenitic stainless steel well suited to demanding environments and applications, such as parts exposed to marine, pharmaceutical or processing. petrochemicals, food preparation equipment, medical devices, surgical tools and consumer products such as jewelry.
“The launch of 316L for the workshop system is part of an aggressive and extensive materials roadmap to expand our AM 2.0 portfolio and address a rapidly expanding set of use cases for our platforms. printing, â€said Jonah Myerberg, co-founder and CTO of Office Metal. “We are fully focused on developing opportunities for our customers to produce parts competitively with conventional manufacturing, and we are delighted to be able to extend our binder jet technology to meet this need and meet key existing applications. and emerging for 316L on the market. ”
316L Stainless Steel – Key Applications
Desktop Metal’s Materials Science team has validated that 316L stainless steel printed and sintered using the Shop System meets MPIF 35 standards set by the Metal Powder Industries Federation.
Here are some examples of key use cases:
Bulb nozzle: Custom spray nozzles are often used in chemical processing. With conventional manufacturing methods, such nozzles would typically be cast, followed by extensive secondary machining on a five-axis CNC. 316L is an essential material for this part due to its excellent material properties even at high working temperatures and when spraying corrosive fluids. 3D printing in 316L on the Shop System makes it possible to produce the entire order of several hundred nozzles in less than a week with a single secondary tapping operation required, reducing the time and complexity of the manufacturing processes.
Closing the medical device: Assembly closures can be used to lock and hold medical device components in place. CNC machining of these closures would be difficult given the tiny and precise geometries, while metal injection molding (MIM) would require large investments and lead times for tooling, difficult to justify given the demands. medium volume for the component. The shop floor system can print up to 10,000 medical device closures in a week, without any tooling costs and without the labor costs and time that machining would require. 316L is an ideal material for medical components such as this cap, due to its corrosion resistance, which makes it easy to clean and sterilize.
Watch bezel: A bezel is the main component that houses the dial and movement of a watch. With the Shop system, several different watch bezel models can be printed in each version, allowing mass customization with no tools required and minimal delivery times. For consumer product applications such as this bezel, 316L is an ideal material as it provides excellent corrosion resistance while maintaining high strength.
“Wall Colmonoy is delighted to have 316L as a new option for the Desktop Metal Shop system,†said Michael Shreeve, Business Development Director, Precision Components, Wall Colmonoy Limited UK, a global manufacturer of powders and components.
“We are looking forward to opening the additive path to many other customers and component types. This will be of particular interest to our customers, as we help them maintain supply chains across a wide range of industrial sectors, such as petrochemicals, power generation, automotive, aerospace and more. As we build on our existing expertise with wear resistant alloys such as Colmonoy® and Wallex®, the 316L on the shop floor system will be a welcome addition to our portfolio of additive manufacturing materials, â€added Shreeve .
“The availability of 316L stainless steel on the warehouse system is great news, both for us and for our customers,†said Patrick Chouvet, CEO of EAC Metal Ornaments, a famous French manufacturer of metal ornaments. collections of global designers of footwear, leather goods, clothing and cosmetics. “Some of our customers and applications require the excellent corrosion resistance offered by steel, and it is particularly well suited to the polishing and plating processes we use for luxury products.”
The Warehouse System – Affordable Batch Production of Metal Parts
Featuring the most advanced single-pass print engine in the binder jet market, the workshop system offers a turnkey solution for producing complex end-use metal parts in a fraction of the time and cost. of conventional manufacturing and legacy AM technologies at a comparable price. The shop system includes all the equipment machine shops need to start binder blasting, from printing to sintering, and is designed to match throughput with a range of build volume configurations. In addition, Desktop Metal software for construction preparation and sintering simulation, in combination with metal powders and process parameters optimized to deliver exceptional part quality and repeatability, allows companies to easily get started with the binder spray in days instead of weeks or months. .
Other key benefits of the warehouse system include:
Easy to use and use. Designed with the modern machine shop in mind, the shop system produces parts at the push of a button with its easy-to-use software interface. It features engineered powders and optimized default processing parameters to deliver exceptional quality and ensure repeatability without the need for third-party material qualification or extensive process development. The use of software-generated hand-removable sinter assemblies eliminates the need for costly and labor-intensive post-processing steps.
High productivity and superior print quality. Featuring variable build sizes up to 16L and a single-pass high-speed print carriage, the workshop system produces end-use metal parts up to 10x faster and at a fraction of the cost of traditional additive manufacturing technologies, amplifying existing production with up to hundreds of complex metal parts printed per day, with mechanical properties exceeding industry standards. With speeds of up to 800 cc / hour, the Shop System enables batches of tens or hundreds of complex printed parts in as little as five hours.
Rich feature details with an exceptional surface finish. Companies can print dense and complex metal parts with incredibly fine feature detail and surface finishes as low as the four micron (Ra) roughness average coming out of the furnace. Leveraging an advanced single pass, 1600 DPI native printhead, the workshop system delivers 400% of the resolution of existing binder jet systems. Reliable print quality is made possible by 5x nozzle redundancy on the printhead – 25% higher redundancy than comparable binder jet systems.
The magazine system also supports 17-4PH stainless steel and cobalt chrome. A large portfolio of additional materials is in active R&D with additional versions expected to launch this year.
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