Automotive Decorative Plating: A Photo Portfolio of the First Golden Age of Surface Finishing
This is a series of scanned 35mm slides taken of 1950-60 era plating facilities.
#automotive
Plating at Ternstedt Plant 16, Detroit, Michigan, in 1926.
Art in Metal Finishing - A 1930s vintage Pontiac Indian head radiator cap. The face is electroformed in copper, bronzed and assembled to the chromium finished die-cast ring and cap piece.
In the 1920s, the finish of choice was buffed nickel (1923), with copper added later in the decade to improve adhesion (1927). By the end of the decade, commercial chromium was introduced for the first time. The advent of World War II and the explosion of technology in the post-war period wrought many changes. There was a pent-up demand for modern auto styling following the temporary halt in civilian production. This led to advances in bright corrosion-resistant Cu-Ni-Cr finishes, and ultimately all of the advanced multilayer finishes that evolved in the 1960s and 70s.
The 1963 Ternstedt - In a 1963 promotional brochure on the Ternstedt Division of GM, this mockup displayed the variety of chromium-plated parts used on the cars of the day.
A young General Motors Institute co-op student inspects rear-view mirror brackets exiting a rinse tank in 1959.
A massive hoist transfers a load of body side moldings to the next tank in the line.
The same hoist in the down position after transfer.
Locking down the copper plating side of the hoist line. Note the PVC exhaust ducts between each station.
Another view of the copper plating side of the hoist line and the exhaust ducts between each station.
Parts being transferred between rinses.
A close-up of large hoist rack for copper-nickel-chromium, including auxiliary anodes built into structure.
Racking area.
Bank of solution filters and storage tanks.
Another view of solution filters and storage tanks.
Another view of solution filters and storage tanks.
Rack of body side moldings passes by control station.
Periodic reverse controller for individual stations in the cyanide copper plating process.
Transition station from semi-bright to bright nickel process.
Bagged nickel anodes and central frame on automatic plating machine.
Rack on carrier in nickel tank showing auxiliary anode connection.
View of bus bar assemblies and nickel circulation from filter.
Racks in the nickel tank on a hoist line.
General view of manual plated plastics line and racking area.
General view of manual plated plastics line and racking area.
Racking area for manual plated plastics line (small parts).
Small parts racked for manual plated plastics line.
Small parts racked for manual plated plastics line.
View of manual plated plastics line.
View of manual plated plastics line.
View of manual plated plastics line.
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In North America, the automakers (many more than the big three at the time) did almost everything in-house, including plating. Within General Motors, the Ternstedt Division was responsible for producing much of the plated automotive body hardware, grilles, emblems, wheel covers, door handles, and on and on. Its original claim to fame was the manufacture of window regulator mechanisms, beginning in the 1920s. The Ternstedt Division had six plants (and briefly a seventh) at Detroit and Flint, Mich.; Columbus and Elyria, Ohio; Trenton, N.J.; and Syracuse, N.Y. At the time, Ternstedt was said to contain the largest plating facilities in the world.
Automotive decorative plating began much earlier than mid-century, as shown by the photo of the plating department at the Ternstedt-Detroit plant, taken in 1926:
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