Ford’s 3D-Printed Auto Parts Save Millions, Boost Quality

  •     Ford ushers in the next manufacturing revolution by 3D-printing parts to represent production components
  •     3D printing improves quality in Ford vehicles by providing engineers more time and freedom to optimize and test parts
  •     Ford’s 500,000th printed auto part is a prototype engine cover for the all-new Ford Mustang
  •     The next steps in Ford’s 3D printing strategy are auto industry firsts – mixed material applications, continuous 3D sand printing and direct metal printing
One day, millions of car parts could be printed as quickly as newspapers and as easily as pushing a button on the office copy machine, saving months of development time and millions of dollars.

3D printing technology is making that day come sooner at Ford Motor Company. The development of the engine cover for the all-new Ford Mustang is the most recent example of the use of this technology.

Ford uses 3D printing to quickly produce prototype parts, shaving months off the development time for individual components used in all of its vehicles, such as cylinder heads, intake manifolds and air vents.

With traditional methods, an engineer would create a computer model of an intake manifold – the most complicated engine part – and wait about four months for one prototype at a cost of $500,000. With 3D printing, Ford can print the same part in four days, including multiple iterations and with no tooling limits – at a cost of $3,000.

“For the customer, this means better quality products that also can be weight-optimized to help improve fuel efficiency,” explains Paul Susalla, Ford section supervisor of rapid manufacturing.

More creativity, faster prototypes
3D printing saves millions of dollars in the product development process by eliminating the need for special tooling, or dedicated molds, for parts likely to change. The technology also allows engineers to experiment with more radical, innovative part designs inexpensively and quickly.

Ford now is looking to what’s next in its 3D printing strategy, including opportunities to print production parts in metal, rather than just plastic, for prototypes.

“This technology provides immense return for Ford and the entire manufacturing industry,” said Bill Russo, global director, Ford powertrain manufacturing and engineering.

How it works
3D printing works by printing one thin layer at a time from plastic, sand or other material, then gradually stacking the layers and building a finished piece to create a 3D object, similar to assembling a spool of CDs.

“Today, 3D printing is not fast enough for the high-volume direct production manufacturing we do,” said Harold Sears, Ford additive manufacturing technical specialist. “But it is ideal for test parts, or niche production applications, that go through frequent development changes.”

Ford has been at the forefront of 3D printing for 25 years and was involved with the invention of 3D printing in the 1980s. In 1988, Ford purchased the third 3D printer ever made. Today, Ford uses selective laser sintering, fused deposition modeling and stereolithography 3D printing applications. Ford also works with suppliers to bring more technologies to market, including 3D sand printing.

Recent examples of Ford’s use of 3D sand printing include:
  •     Engine cover for all-new Ford Mustang
  •     Rotor supports, transmission cases, damper housings and end covers for new HF35 hybrid transmission for Ford C-MAX Hybrid, Fusion Hybrid
  •     Four-cylinder EcoBoost® engines for new Ford Fusion
  •     Brake rotors for Ford Explorer; the rotors were modified using 3D printing late in development to fix a brake noise discovered in durability testing, which could have delayed initial launch
  •     Exhaust manifolds for 3.5-liter EcoBoost in Ford F-150
“Many have referenced this technology as ushering in a third industrial revolution,” said Sears. “While that is yet to be determined, what we do know is manufacturing is continuing to go digital, the speed of these technologies is increasing and the variety of materials is expanding – all of which leads us to believe 3D printing presents a great opportunity for overall manufacturing.”

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