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Implementing SPC in
an Environment of Total Quality Management
· Long-term vs. short-term thinking;
· Creating loyal customers vs. meeting specifications;
· Systems focus vs. individual performance;
· Creating a team environment vs. individual competition;
· Eliminating fear vs. creating fear;
· Continual improvement vs. “If it isn’t broken, don’t fix it;”
· Understanding variation vs. reacting on single points;
· Decisions based on data vs. gut-feel decisions.
Understanding
Variation
·
Special cause variation and actions to eliminate them;
·
Common
cause variation and actions to minimize it.
Using Basic Quality
Tools to Minimize Common Cause Variation
Setting Up the Chart
·
Establishing the right environment;
·
Defining the process;
·
Identifying characteristics to be controlled;
·
Defining the measurement system and understand its variation.
Control Charting for
Variables Data
·
X Bar
and R charts;
·
Individual and moving range charts;
·
Moving
average and moving range charts;
·
Selecting the subgroup size
·
Creating the chart;
·
Interpreting the chart.
Control Charting for
Attributes Data
· p
charts
· np charts
· c charts
· u
charts
Calculating the
Financial Impact of Quality Improvements |