Engineer's innovation helps carmaker recycle 20m pounds of aluminium a month

Ford stamping engineer Chip Conrad’s closed-loop recycling system recovers 5 million pounds of high-strength military-grade aluminium scrap a week.

Autocar Pro News Desk By Autocar Pro News Desk calendar 22 Apr 2017 Views icon29278 Views Share - Share to Facebook Share to Twitter Share to LinkedIn Share to Whatsapp

Innovations are often the result of an eureka moment and ideas. Chip Conrad, a Ford stamping engineer, led the design of an expansive closed-loop recycling system that enables the company to reduce waste, save energy and improve sustainability.

Now in use at three Ford factories, two of which build F-Series, America’s best-selling pickup for 40 consecutive years, the system is producing savings that are nothing short of monumental. Ford is now saving enough recycled high-strength military-grade aluminum alloy to build either 51 commercial jetliners or more than 37,000 new F-Series truck bodies a month.

Using high-strength military-grade aluminum-alloy bodies for new F-Series trucks enables Ford to provide best-in-class capabilities for its customers, explains Conrad, while also leading to improved sustainability. “Not only does this make sound business sense,” he points out, “it’s helping Ford reduce its environmental impact.”

The main environmental advantage of recycling scrap aluminum is that it takes one-tenth the energy required to reprocess scrap aluminum than it does to make new aluminum, according to the Aluminum Association. The organisation estimates that because of how cost effective it is to recycle aluminium, 75 percent of all aluminium produced is still in use today.

Think of it like a water slide

At the heart of this closed-loop recycling system is a large, automated vacuum system and more than two miles of tubes crisscrossing the plants. Developed at Dearborn Stamping Plant, where the F-150 – the first high-volume truck to use a high-strength military-grade aluminium-alloy body – is built, the system is now in use at Kentucky Truck, home to Super Duty, and Buffalo Stamping, which manufactures alloy panels for commercial F-Series trucks.

As doors and fenders are stamped into shape, scrap material is shredded into chips, roughly the size of a dollar bill, which get sucked into the system and routed via a series of computer-controlled gates until the journey ends seconds later in a multi-ton pile in the back of a semi. Think of it as a long water slide ride for aluminium scrap, with a splash landing at the end.

“The system automatically knows which of the four different grades of alloy is being stamped at a given time, then it routes the material into one of four trucks standing by to send it back for reprocessing,” says Conrad.

As Ford expands the use of aluminium in its product lineup, closed-loop recycling systems will be essential to the long-term viability of lightweight materials and meeting overall sustainability targets.


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