A First Course in Quality Engineering, 2nd Edition

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Quality in Production—Process Control I

In the last chapter, we discussed the quality methods that are employed in the

product planning, product design, and process design stages of the product

creation cycle� In this chapter, we discuss the quality methods used during the

production stage of the cycle� The major tools used in the production stage are

the control charts, of which several different types exist to handle the different

types of product characteristics and process variables encountered in pro-

duction and service environments� The three major types of charts needed to

monitor the three major types of variables are discussed here ...