Puris 3D prints largest titanium part

Puris, LLC (www.purisllc.com) has produced the largest, complex, 3D-printed titanium part for commercial use, the company said.

The part was printed using ExOne® (NASDAQ: XONE) binder-jetting technology and was processed to 100 percent density.

Measuring an estimated 19 inches x 19 inches x 11 inches with a cross-section thickness of 0.375-inch, the part weighs approximately 31 pounds.

The part was produced for an aerospace customer on ExOne M-Printâ„¢ 3D printer at Puris´ Bruceton Mills plant under the direction of the Puris metallurgy team.

The use of binder-jetting technology allowed Puris to print the part at room temperature, eliminating residual stress buildup, as well as the chemical-property and microstructure changes that occur in other metal 3D-printing technologies; these are critical aspects to commercial use of 3D-printed parts, according to Kirsch.

Puris has printed large parts using Inconel alloy powder as well, and is able to print with other high-performance alloys.

Puris, LLC produces titanium powder for additive manufacturing. The Puris team includes leaders in powder metallurgy and pioneers in spherical titanium powder gas atomization.

ExOne is a global provider of 3D printing machines and 3D printed and other products, materials and services to industrial customers.