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3D Printing Certification

ExOne enters tungsten 3D printing partnership with International Tungsten & Powders Corp


Binder jet 3D printer service provider ExOne has entered into a collaboration with World-wide Tungsten & Powders Corp. (GTP), a steel powder manufacturer headquartered in Towanda, Pennsylvania. In this agreement, the two functions will perform to progress the use of tungsten powders in metal binder jet 3D printing certification. The operate is anticipated to have large affect in the generation of cutting resources, have on-resistant sections and applications where high electrical and thermal conductivity is needed.

“Metal 3D printing certification making use of our distinctive method to binder jetting has interesting and considerable outcomes for a assortment of companies, which include these who make components with cemented carbide and other tungsten composites,” comments Tim Pierce, ExOne Vice President of Metal Professional Merchandise. “Our newest enhancement collaboration with GTP will assist progress the elements required to deliver on the vision of manufacturing these pieces a lot quicker, with less squander and additional geometric style freedom.”

Binder jet 3D printed tungsten powder. Photo via ExOne
Binder jet 3D printed tungsten powder. Photo by means of ExOne

ExOne binder jet 3D printed tungsten

Tungsten has the greatest melting position of all discovered features, earning it “the Devil particle” nickname when it is identified as a contaminant in other powders. With this benefit nevertheless, will come a remarkable robustness, and it is routinely blended with other aspects to make heavy steel alloys, utilised to make rocket nozzles, turbine blades, and other substantial-don elements.

ExOne 3D printers, such as the X1 25Pro and the Innovent+, are previously compatible with sure tungsten alloys. In this new partnership with Global Tungsten & Powders Corp. even though, the business will be looking into two new metal matrix composites: cemented carbide (WC-Co) and copper-tungsten (CuW).

New metallic matrixes for additive manufacturing certification 

WC-Co is a difficult and tricky product, excellent to carbon metal or stainless steel for the production of reducing instruments and use-resistant components. Cutting applications created from the material also normally give better floor finish to parts than when utilizing resources designed from other components. The product is composed of fine particles of carbide cemented into a composite by the binder metal.

Conventionally-made circular saw blade with tungsten-carbide inserts. Photo via Basilicofresco, WikiMedia Commons
Conventionally-produced circular saw blade with cemented carbide inserts. Photograph through Basilicofresco, WikiMedia Commons

CuW, on the other hand, is a heat-resistant, ablation-resistant, highly thermally and electrically conductive steel matrix. Case in point applications of this content include  electrodes for electrical discharge machining, semiconductor gadgets, and contacts for vacuum, oil, and fuel programs.

Commenting on the regular manufacturing of the these composites Deborah West, Vice-President Business Unit Refractory & Specialty Powders at GTP, explains, “Traditionally tungsten carbide powder is pressed into the wanted shape and then sintered to give it energy and density.” By processing these components by means of binder jet 3D printing certification as a substitute, the partners will be able to reduce expenditures and boost geometric complexity. “Instead of highly-priced and well timed mould construction,” West adds, “the pieces now can be printed specifically in the preferred form, nevertheless utilizing sintering technology to realize the remaining energy.”

As a market place leader for this form of powder, West provides that GTP is “excited to perform with ExOne in the improvement of chopping-edge technology for the additive producing certification sector.”

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Highlighted picture exhibits binder jet 3D printed tungsten powder. Image by way of ExOne