We rarely heard about its 3D printing service, but since 2005, ExOne ensures the production of several parts via its Metal 3D Printing Adoption Center. This center aims to enable customers to try metal binder jet 3D printing for their designs before they decide to buy an ExOne printing system for their own production.
The expert in binder jetting technology has already more than 2 million 3D printed parts in this Pittsburgh-based production center. Two dozen metal 3D printers operate 24-7 and delivers parts for industrial customers and on-demand manufacturing service bureaus such as Shapeways, Sculpteo, Xometry, and more. According to the manufacturer, the interest in metal 3D printed parts based on single-alloy metals rises following the launch of the company’s patented Triple Advanced Compaction Technology (ACT).
As a reminder, ExOne’s patented Triple ACT enables 3D printing of standard MIM powders, followed by standard sintering profiles and heat treatments, that deliver high-density results consistent with wrought material.
“Now featured on all ExOne production metal printers, Triple ACT uses an exclusive method of dispensing, spreading and compacting ultra-fine metal powders during binder jet 3D printing – delivering metal parts with industry-leading density, accuracy, and repeatability”, the company notes.
Moving forward, the recent addition of two new X1 25Pro metal printers will ensure the production of more stainless steel parts based on two main alloys: 316L and 17-4PH.
However, ExOne notes that its most popular material continues to be X1 Metal 420i – a metal matrix composite made up of 60% 420 stainless steel that is 40% infiltrated with bronze, one of the earliest metals ever processed on ExOne printers.
This material is durable and is being used for industrial and tooling applications, such as plastic injection molding and blow molding. It also serves the needs of applications for consumer goods, such as jewelry, where it’s popular for a dozen unique finishes such as gold, nickel, and matte black.
As for the new X1 25Pro printers, it should be noted that they also feature Triple ACT. They are designed for high-volume production and integrate a build area of 400 x 250 x 250 mm (15.75 x 9.84 x 9.84 in), enabling the production of a wide range of part sizes.
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