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发布日期:2021年10月25日
GM opens dedicated additive manufacturing center

The new additive manufacturing center will help the automaker transform its operations in product development, motorsports, and manufacturing.

General Motors (GM) Manufacturing Engineer Benjamin LeBlanc inspects a 3D printer at the GM Additive Industrialization Center at the GM Tech Center in Warren, MI.
General Motors (GM) Manufacturing Engineer Benjamin LeBlanc inspects a 3D printer at the GM Additive Industrialization Center at the GM Tech Center in Warren, MI.
(Photo by Steve Fecht for General Motors)

General Motors (GM; Detroit, MI) has opened its 15,000-sq-ft. Additive Industrialization Center (AIC; Warren, MI), a ground-up facility exclusively dedicated to putting additive manufacturing八神庵电影全文免费阅读 八神庵电影 E道阅读网 八神庵电影全文免费阅读 八神庵电影 E道阅读网 ,调教女同闺蜜 全文免费阅读 第7章 E道阅读网 调教女同闺蜜 全文免费阅读 第7章 E道阅读网 (also known as 3D printing) technology for the automotive industry into production. The automaker has increased its investment in 3D printing over the last several years.

“Compared to traditional processes, 3D printing can produce parts in a matter of days vs. weeks or months at a significantly lower cost,” explains Audley Brown, GM’s Director of Additive Design and Materials Engineering.

The comprehensive facility includes 24 3D printers, which create polymer and metal solutions. GM’s additive design and manufacturing team leverages a number of processes at the AIC, including selective laser sintering, selective laser melting, Multi-Jet Fusion, and fused deposition modeling.

The AIC is intended to validate additive manufacturing technologies and applications, with frequent pivots to evolving additive manufacturing machinery and equipment. GM Ventures and GM R&D are collaborative partners with the AIC, supporting a holistic, integrated, enterprise approach to adopting accelerated product development and tooling.

Earlier in 2020, GM shared how 3D printing played a critical role in the company’s transition from making vehicles to medical devices in days, and how 3D-printed parts support rigorous motorsports competitions. These same processes are also transforming the company’s operations.

GM has a history of using 3D-printed rapid prototypes to check form and fit. Currently, many of the parts the AIC produces are functional prototypes used on pre-production vehicles in various testing environments.

Early integration vehicles and test benches are often equipped with 3D-printed parts that can undergo the same testing as a conventionally tooled part.

3D printing functional prototypes can help eliminate expensive early tooling costs. As a result, engineers have the ability to iterate quickly, make design changes, and reduce development times. For example, the team 3D-printed the brake cooling ducts used for the development of the Chevrolet Corvette. The 3D-printed ducts saved nine weeks of development and reduced costs by over 60% in the process.

GM is also producing a significant number of 3D-printed tools used for assembling vehicles. Manufacturing tooling comes in many shapes and forms, such as hand-apply tools, automation components, and rapid-response solutions for production site launches.

3D printing often enables the team to consolidate the components of a part into a single, optimized design. The result is tools that are lighter, more ergonomic, and less complex.

For the launch of GM’s all-new full-size SUVs, the team 3D-printed nearly 100 hand tools for the body shop at Arlington Assembly (Arlington, TX). Typically, these tools would be made of aluminum, weighing anywhere from 10 to 40 pounds. The new designs, constructed with a nylon carbon fiber composite, weigh as little as three pounds and virtually eliminated the lead time for ordering part changes.

“3D printing the body shop tools at Arlington saved more than two months in tooling construction,” says Ron Daul, GM’s Director of Additive Manufacturing and Polymer Centers. “This is at the critical time when we are changing the plant over to launch the new models. Ultimately, 3D printing helps accelerate new vehicle launches like our full-size SUVs.”

With the AIC, GM is making its 3D-printing capability more sophisticated and responsive across its global manufacturing facilities.

Cadillac recently announced that the CT4-V Blackwing and CT5-V Blackwing will be the first GM production vehicles to have 3D-printed parts, including an emblem on the manual shifter knob, an electrical harness bracket, and two HVAC ducts.

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By leveraging additive manufacturing, the Cadillac team was also able to reduce costs and increase efficiency when developing the high-performance sedans’ manual transmission.

“The parts printed for the Cadillac V-Series models exemplify how we can use additive applications in the right place on the right program,” says Brown. “And, this is just the beginning. Ultimately, we see the potential for 3D-printed parts to be used in a wide variety of production applicationsfrom greater personalization options for new-vehicle buyers, to unique accessories and reproductions of classic car parts.”

Source: GM press release – December 14, 2020

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