上游充通大￥ SHANGHAI JIAO TONG UNIVERSITY Step 2:Reduce the cost of Components Understand the process constraints and cost drives Redesign components to eliminate processing steps Choose the appropriate economic scale for the part process Machining $10/Unit Materials and Processing Injection Molding $1/Unit Materials and Processing Mold Cost of 510,000 Fixture Cost of 51,000 1,000 Units Number of Units Produced From Product Design and Development by Karl Ulrich and Steven Eppinger(McGraw-Hill/Irwin)Step 2: Reduce the cost of Components Understand the process constraints and cost drives Redesign components to eliminate processing steps Choose the appropriate economic scale for the part process