The Six Sigma Handbook, Revised and Expanded, 2nd Edition

18.2. USING SPC FOR ONGOING CONTROL

Assuming that the organization's leadership has created an environment where open and honest communication can flourish, SPC implementation becomes a matter of 1) selecting processes for applying the SPC approach and 2) selecting variables within each process. This section describes an approach to this activity.

18.2.1. Variable selection

PREPARING THE PROCESS CONTROL PLAN

Process control plans should be prepared for each key process. The plans should be prepared by teams of people who understand the process. The team should begin by creating a flow chart of the process using the process elements determined in creating the house of quality (see the QFD discussion in Chapter 3). The flow chart will show how ...