Batch Picking and Sortation
The Design of High Volume Case Pick Operations
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ABSTRACT
Detailed design of conveyor systems involves analyses that reach far beyond simply the selection of the most appropriate system concept. This paper discusses issues and trade-offs in systems for batch picking and sortation of full cases.
INTRODUCTION
As a consultant and system designer, I have always been interested in choosing the right functional technology, with the proper cost/benefit relationship. More recently, as I moved about in the world of the system supplier, I rediscovered that choosing the "right" technology still leaves a great deal of system design work to do. Of course, as in most technical areas, there are rules-of-thumb and accepted practice to serve as guidelines. Ultimately, there is the panacea of simulation to "ensure" system viability.
However, rules-of-thumb do not break new ground. And, today's imperative is often aimed at "breakthrough" improvements. Simulation cannot invent trade-offs in system design. It can only help to evaluate those issues that we remember to test as the model is built. The following text outlines some of the issues I have encountered regularly in the design of case picking systems. I hope that by reading through these, the reader will be more educated and will understand what questions are important to ask, and if the reader is a designer, I hope these comments will help complement what you already know but in a way that improves your designs.
Batch Picking and Sortation.doc
