Original Date: 10/04/1993
Revision Date: 01/18/2007
Information : Design for Manufacturability
The Hamilton Standard Electronic Manufacturing Center (HSEMC) maintains that producibility and manufacturability are interchangeable terms primarily focused on the design and development of printed wiring board assemblies, chassis, and complex ICs. Management policy at the Center to form a producibility assurance group co-located with engineering is a keystone to the development of producibility guidelines resulting in substantial cycle time reductions and reductions in scrap, rework, and repair.
HSEMC producibility assurance strategy is to assign a full-time manufacturing engineer to the program; create and follow established factory specific design rules for producibility; review total design activities and participate in all trade studies; expand design mechanization and use a common database to expedite preparation of process sheets and tool designs; appraise engineering of new manufacturing process capabilities; and provide lessons learned feedback from operations to design. This strategy is in support of producibility assurance goals of reducing parts count; maximizing use of standard components; maximizing use of rules-based design; maximizing use of standard manufacturing processes and tooling; using 100% surface mount technology (SMT) components on SMT boards; eliminating post wave solder second assembly; expediting engineering to manufacturing transition; and improving testability.
In addition to teaming, a principal means for implementing the producibility strategy and for achieving the goals is HSEMC’s Integrated Product Design System (IPDS). Multiple design and manufacturing disciplines are brought together through ECAD VALID application software from CADENCE and MCAD I-DEAS application software from SDRC. IPDS provides the vehicle for executing near real-time, integrated product design data and information. Cycle time reductions of nearly 50% have resulted because the various activities can be performed concurrently rather than sequentially.
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