Pan Pacific Symposium Conference Proceedings


TACTICAL PRODUCTION PLANNING FOR PRINTED CIRCUIT BOARD ASSEMBLY

Authors: K. Sivakumar, K. Srihari, D. Warheit, and A. Gowda
Company: SUNY Binghamton
Date Published: 2/10/2004   Conference: Pan Pacific Symposium


Abstract: Globalization has played a major role in transforming the product mix at an Electronics Manufacturing Service (EMS) provider’s facility to a medium to high mix with low to medium volumes. At the operational level of production planning, the high mix environment has increased the number of setups in a day, leading to non-value added time being spent in setting up of machines.

Consequently the order of processing the PCBs has to be effectively planned in order to reduce the time spent in the setup of machines. This paper discusses the challenges associated with production planning in a low-to-medium volume manufacturing scenario with smaller lot sizes. A concise review of applicable literature is provided along with an overview of an architecture that can be used for dynamic production planning in realtime. The strategy that is discussed will reduce the work of a production planner by suggesting different processing sequences of PCB types on the available assembly lines.

These processing sequences are developed by scheduling algorithms combined with grouping routines, which aid in minimizing the time spent in setup. The algorithms try to achieve minimal setup time by forming groups of PCBs based on component similarity and then sequencing them such that minimal time is spent in setup while manufacturing PCBs within a group.

Keywords: printed circuit board assembly, production planning, lean manufacturing, agile manufacturing.



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