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Technical Paper

Optimization of EGR Cooler Bracket Weld Line through Combined Measurement and Simulation Approach

2016-02-01
2016-28-0110
High vibration stimulus is a characteristic of single cylinder diesel engines. The load carrier segment driven by single cylinder diesel engine operates on low running speeds and heavy load. This operating condition pushes the vibrations generated in the engine to extreme level making it challenging to design peripheral components. More-over, simulation of components involving welded joints becomes further more challenging as virtual representation of welded joint and prediction of its behaviour under high vibrations is difficult to model. Also, the behaviour of over-all design changes drastically when the position and orientation of welding seam is altered. Different weld seam positions under high vibration input may lead to varied mechanisms of weld seam opening and it changes the stress distribution on the mating component leading to different mechanics of failure.
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