上游充通大学 SHANGHAI JIAO TONG UNIVERSITY Background information High volumes(3500 engines/ per day) Strong interest in Reducing the cost of the engine Enhancing its quality What? >To improve the air intake manifold (originally made of cast iron) From Product Design and Development by Karl Ulrich and Steven Eppinger (McGraw-Hill/Irwin) One of the most expensive subassemblies in the engineBackground information High volumes (3500 engines / per day) Strong interest in  Reducing the cost of the engine  Enhancing its quality What?  To improve the air intake manifold (originally made of cast iron) • One of the most expensive subassemblies in the engine