Piston ring inspections at PSA use laser displacement sensors
PSA carries out automatic piston ring inspections using Keyence laser displacement sensors. These accurate measurements have been made continuously and successfully for several years. The Trémery factory, set up in 1979, is located 20 kilometres from Metz and has a staff of 3740. It specialises in assembly of four-cylinder diesel engines and has a daily production of 6500 units, which makes it the biggest diesel engine assembly factory in the world, and the fourth largest taking all power sources together.