Ch9: Six Sigma Flashcards Preview

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Flashcards in Ch9: Six Sigma Deck (20)
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1

six sigma (3)

- measure of quality that strives near perfection

- developed by motorola quality manager

- overall strategy to accelerate improvements in processes and services

2

sigma

refers to standard deviation, six sigma refers to a process having six standard deviations

3

sources of variation (4)

1. design

2. process capability

3. measurement system

4. material

4

KPIV

key - process - input - variables

5

DPU

defects per unit

6

DPO

defects per opportunities (DPU/opportunities)

7

Process capability

a measure of how well a process is within a specification - bigger is better

8

how can we make process capability better? (4)

1. design the product so a wider tolerance is functional

2. choose equipment and methods for a good safety margin

3. correctly adjust, but only when needed

4. discover ways to narrow the natural variation

9

process capability minimum

1.33 want 2 or more

10

key metrics to detect improvement (6)

external metrics:

1. quality

2. price

3. delivery

internal metrics:

1. cycle time

2. cost

3. defects

11

six sigma roles (6)

1. executive

2. champions

3. master black belt

4. black belt

5. green belt

6. yellow belt

12

executive

- owns vision, direction - leads change

13

champions

- create plan and individual projects - identify resources

14

master black belts

- trains black and green belts - statistical problem solving experts

15

black belts

leads problem solving projects

16

green belts

assists with data collection and analysis for black belts

17

yellow belts

reviews process improvements

18

key factors in six sigma project selection (5)

1. financial return

2. impacts on customers and organization

3. probability of success

4. impact on employees

5. fit to strategy

19

DMAIC

design, measure, analyze, improve, control

20

capability index