Abstract

Abstract The Design for Robotic Assembly1 handbook offers a method for quantitatively evaluating a product's ease of assembly by robots. Additionally, it helps the designer estimate the cost of assembly associated with each part, pointing out aspects of part design that incur additional cost. This paper describes robot assembly task time data derived from laboratory tests and industrial experience. It also shows how these data can be substituted for the original values on the handbook data sheets for estimating part assembly times at a two-arm robotic assembly station. Using these new time values, the handbook method yields cycle time estimates that are within 5% of those drawn from computer simulation, while the original data sheet values give estimates that are approximately 20% lower than the computer simulated times. The principal difference is in the amount of time attributed to robot gripper changes.

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