Quality Management 2017

A NALYZE

GUIDE: 4 possible states of a process:

1. Comfortable situation

STABLE?

 100% of products conform to specifications  Not a constant situation  Good time to improve the process

NO

YES

1 3

YES

CAPABLE?

2. Limit case

2

4

NO

 Improve the process to go in 1  Decrease dispersion or recenter the process on the target, or reconsider the definition of spec. limits

3. Process close to chaos

 Unstable process where everything could happen.  100% of products conforms to spec. but probably for a short period of time  Find the special causes, eliminate them and stabilize the process to go in 1 or 2. First : STABILIZE the process

and then Make it CAPABLE

4. Chaotic/disordered situation

 Make large improvements to stabilize the process

03/10/17

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