A First Course in Quality Engineering, 2nd Edition

Quality in Design 203

Copies of Table 3�8 were given to operators in a meeting that was

organized to explain the details of the experiment and the importance

of making sure the right treatment is given to the molds when they

arrived at their workstation� When all the molds were prepared accord-

ing to the plan, iron was poured into them with the utmost consistency

regarding iron temperature and other pouring practices� (When the

process output is tested against certain factors, it is absolutely essential

that other factors that might affect the output are controlled at con-

stant levels as far as is practical�) When the iron cooled ...