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      11-13-2018, 10:52 AM   #1
HRE_Wheels
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HRE3D+ | The WORLDS FIRST 3D-Printed Titanium Wheel




HRE WHEELS PARTNERS WITH GE ADDITIVE TO CREATE FIRST 3D-PRINTED TITANIUM WHEEL
HRE and GE Additive’s AddWorks team have used Electron Beam Melting (EBM) technology to create a new prototype wheel made from an advanced titanium powder, unveiling the first automotive wheel to be made with this process.



Vista, Calif. (November, 2018) – HRE Wheels and GE Additive announced a partnership agreement today and unveiled the first titanium wheel created using EBM technology (a type of 3D printing). Known as “HRE3D+”, this new prototype wheel shows what the future of wheel technology will bring and how advanced materials like titanium can be harnessed to create complex designs.

The goal of the “HRE3D+” project was to test the capabilities of additive manufacturing in a practical application and to create a highly-sophisticated wheel design with an elusive material like titanium. With a traditional aluminum Monoblok wheel, 80% of material is removed from a 100-pound forged block of
aluminum to create the final product. With additive manufacturing, only 5% of the material is removed and recycled, making the process far more efficient. Titanium also has a much higher specific strength than aluminum and is corrosion resistant, allowing it to be extremely lightweight and to be shown in its raw finish.

There was an intensive design collaboration between the Vista, California based team at HRE and the GE AddWorks team out of Ohio. Using design queues from two existing models of HRE wheels, the two companies worked together to create a stunning example of what is possible with additive manufacturing.

The wheel was produced on two Arcam EBM machines - Q20 and a Q10 in five separate sections,, then combined using a custom center section and titanium fasteners.

"This is an incredibly exciting and important project for us as we get a glimpse into what the future of wheel design holds,” said HRE President Alan Peltier. “Working with GE Additive’s AddWorks team gave us access to the latest additive technology and an amazing team of engineers, allowing us to push the boundaries of wheel design beyond anything possible with current methods. To HRE, this partnership with GE Additive moves us into the future.”

“HRE prides itself on its commitment to excellence and superior quality in the marketplace. It was a natural fit for AddWorks to work on this project with them and really revolutionize the way wheels can be designed and manufactured,” said Robert Hanet, senior design engineer, GE Additive AddWorks


EBM Printing: Electron Beam Melting is an additive technology that uses and 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.


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.


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



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.


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.


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.


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


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




























The “HRE3D+” wheel will be on display from November 13-16 on GE Additive’s booth (D30) at the form next tradeshow in Frankfurt, Germany. For more information on HRE Wheels, visit https://www.hrewheels.com/wheels/concepts/hre3d

About HRE Performance Wheels:
HRE designs, engineers and manufactures 3-piece and 1-piece forged aluminum alloy wheels for Racing, Performance & Luxury cars and SUVs in their San Diego, California-based, TÜV-approved facility. HRE’s built-to-order wheel sets offer a customized choice of offsets, widths and finishes, resulting in a uniquely personal style and performance solution for each customer’s application. HRE wheels are sold through select high-end car dealerships, specialty retailers and performance companies worldwide. For more information, visit www.hrewheels.com or call an HRE wheel expert at (760) 598-1960.


About GE Additive:
GE Additive – part of GE (NYSE: GE) is a world leader in additive design and manufacturing, a pioneering process that has the power and potential to transform businesses. Through our integrated offering of AddWorks additive experts, advanced machines and quality materials, we empower our customers to build innovative new products. Products that solve manufacturing challenges, improve business outcomes and help change the world for the better. GE Additive includes additive machine providers Concept Laser and Arcam EBM; along with additive material provider AP&C. EBM machines create dimensionally accurate parts quickly and efficiently by using a high-power electron beam for high melting capacity and productivity. The EBM process takes place in vacuum and at high temperature, resulting in stress-relieved components with material properties better than cast and comparable to wrought material.
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      11-13-2018, 12:34 PM   #2
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3 questions:

1. How heavy is it?
2. Cost range per wheel?
3. Have you guys heard of brake dust? :P
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      11-13-2018, 12:36 PM   #3
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Originally Posted by brad850csi View Post
3 questions:

1. How heavy is it?
2. Cost range per wheel?
3. Have you guys heard of brake dust? :P

These aren't for sale. This is proof of concept to push the industry in a new direction. We're looking to innovate what the wheels in the next generation will be by pushing the boundaries of technology today.

I would look into a pressure washer if you're having issues with cleaning your wheels just FYI.
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      11-13-2018, 06:40 PM   #4
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These look great! Maybe a little too aggressive in this style for the 6 imo, but look at home on that McLaren.

Good to see 3D printing technology being put to use in new fields. Can't wait till it becomes the norm at helps reduce cost point and waste from production.

I am curious about the strength of piecing the wheels together this way. I know these are demo/concept but will this type of assembly work for production wheels? Are there any plans to test them out or are they just for show?
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      11-13-2018, 07:20 PM   #5
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Quote:
Originally Posted by Knightro_Circus View Post
These look great! Maybe a little too aggressive in this style for the 6 imo, but look at home on that McLaren.

Good to see 3D printing technology being put to use in new fields. Can't wait till it becomes the norm at helps reduce cost point and waist from production.

I am curious about the strength of piecing the wheels together this way. I know these are demo/concept but will this type of assembly work for production wheels? Are there any plans to test them out or are they just for show?
No plans to bring this into production, so we're limiting the details we publish. With this being titanium however, the strength and stiffness more than meets HRE's current standards. No future plans with this exact wheel set, but you can always count on HRE bringing something wild to market in the near future
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      11-13-2018, 07:30 PM   #6
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Even at the center hub where the spoke pieces are attached? If so, could the same idea be applied to aluminum where you wouldn't have to start with 100lbs blocks for each wheel? Or is this a byproduct of using titanium in this product? Just asking out of curiosity.
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      11-13-2018, 07:47 PM   #7
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Quote:
Originally Posted by Knightro_Circus View Post
Even at the center hub where the spoke pieces are attached? If so, could the same idea be applied to aluminum where you wouldn't have to start with 100lbs blocks for each wheel? Or is this a byproduct of using titanium in this product? Just asking out of curiosity.
You could print in aluminum if you'd like, absolutely. In this instance rather than taking a billet forging then machining away all the bits we don't want, it's an additive process where we're doing almost the complete opposite, creating only the pieces that we actually use, rather than machining away the bits we don't.
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      11-13-2018, 09:14 PM   #8
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I will gladly volunteer my m6 for "testing" purposes in exchange for a free set
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      11-14-2018, 02:49 AM   #9
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very nice wheels, good job HRE,

i think price will start $20K for a set with 3D wheels
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      11-14-2018, 09:05 AM   #10
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So, I work for GE... And additive wanted to 3D print our intercoolers for locomotives. Interesting concept, but the lead times are 30-35 days.

How long does it take to print one wheel?
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      11-14-2018, 11:38 AM   #11
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Quote:
Originally Posted by mgmarsh39 View Post
So, I work for GE... And additive wanted to 3D print our intercoolers for locomotives. Interesting concept, but the lead times are 30-35 days.

How long does it take to print one wheel?
Takes a few days to make the wheel yes. Not as quick as machining a wheel down from aluminum of course, but hopefully times will improve as the technology advances.
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      11-14-2018, 03:41 PM   #12
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Originally Posted by HRE_Wheels View Post
Takes a few days to make the wheel yes. Not as quick as machining a wheel down from aluminum of course, but hopefully times will improve as the technology advances.
That's not too bad I guess. They do look neat!
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      11-22-2018, 10:11 PM   #13
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Quote:
Originally Posted by brad850csi View Post
3 questions:

3. Have you guys heard of brake dust? :P
have you heard of carbon ceramic brakes? definite prerequisite for this kind of intricate wheel!


definitely a nice proof of concept design and shows what is possible. the design I a little intricate for my taste but at the same time it looks impressive from a construction standpoint and I love that part of it!
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      12-05-2018, 03:30 PM   #14
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We have answered some of your questions here with an "Ask Alan Anything" segment. Hope you enjoy!



Thank you for taking a look!
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