Inspecting piston rings for size, form, and placement in the engine is automated for high-volume production thanks to high-accuracy CCD laser displacement sensors.
At Trémery in northeastern France, an engine plant owned and operated by automaker Groupe PSA, produces 6,500 four-cylinder diesel engines every day. It is the world's largest diesel-engine plant and the fourth largest automotive engine plant of any type. While the plant employs 3,740, it operates with a high degree of process automation. Every cylinder on every engine receives a piston, with a piston ring installed by a robot. Each piston ring is split, allowing its ends to be ...
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