Analysis of repair strategies for automatic assembly systems

The quality of products manufactured by automatic assembly systems (AASs) are subject to the accuracy of the operations of workstations and the quality of assembly components. A finished product may not comply to the specification due to defective components or inaccurate assembly operations. To ensure that a finished product conforms to the manufacturing specifications, repair and inspections stations are installed to detect and repair defective products. When a defective product is detected, it can be repaired or reworked on line and sent back to the inspection station again until all the manufacturing specifications are met (Figure 1). Alternatively,...