Abstract
Printed circuit board assembly (PCBA) is the major portion of manufacturing processes of electronic manufacturing services (EMS) industry, where surface mounting technology (SMT) has become the primary assembly method. Two series-connected SMT placement machines in a SMT assembly line are often the bottlenecks due to the unevenly distributed workloads. This paper studies the line balancing of the SMT assembly line focusing on the workload distribution between the two placement machines. A heuristic approach is proposed to reduce the workload difference of the two machines without increasing the total machine setup time. A software, which can be used as an effective automation tool for a company, is then developed based on the heuristic model. This will increase the quality of the service that the company provides to its customers.
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