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The World's First 3D-Printed Titanium Wheel

HRE3D+

The future of wheel technology

The "HRE3D+" is the result of an intensive design collaboration between HRE Wheels and GE Additive. The two companies worked together to push the boundaries of what is possible to create the first 3D-printed titanium automotive wheel.

"This is an incredibly exciting and important project for us as we get a glimpse into what the future of wheel design holds."
Download Press Release
HRE3D+ Concept Wheel
Process Electron Beam Melting
Materials 3D Printed Titanium / Carbon Fiber
Front Wheel 20" x 9"
Rear Wheel 21" x 12.5"

See how it's made

The goal of the "HRE3D+" project was to capitalize on the capabilities of additive manufacturing to create a stunning wheel using a design and material that is impossible to manufacture using traditional manufacturing methods.

See how the HRE3D+ was made

State-of-the-art process

EBM Printing

Electron Beam Melting is an additive technology that uses an electron beam to melt and fuse fine layers of titanium powder into a solid. These fine layers are built up one at a time to create the full design.

EBM Printing for HRE3D+

Titanium Powder Bed

The additive design is built up in a bed of fine titanium powder which results in very little wasted material, unlike traditional subtractive methods like machining from a solid forging.

EBM Printing Removal for HRE3D+

Powder Recovery

The excess titanium powder is removed to reveal the final design and recycled for future parts.

Powder Recovery for HRE3D+

Support Removal

Temporary internal support structures are printed along with the part to provide support to the structure and to facilitate extremely complex designs. These are removed by hand and recycled after printing.

Support Removal for HRE3D+

Post Machining

Mating surfaces and threads were CNC machined post-printing to ensure tight tolerances of assembly. Compared to traditional machining from forgings, this post-processing is minimal.

Post Machining for HRE3D+

Hand Finishing

The tops of the spokes were hand brushed to create a beautiful decorative finish. Because Titanium has excellent corrosion resistance, no additional powder-coat or clear-coat was necessary.

Hand Finishing for HRE3D+

Cleaning

Due to the minimal machining and finishing, cleaning is a simple process simply to remove any oils or remaining powder.

Washing for HRE3D+

Assembly

All the parts were hand-assembled into a carbon-fiber rim barrel using titanium fasteners.

Assembly for HRE3D+