Ch9: Six Sigma Flashcards
1
Q
six sigma (3)
A
- measure of quality that strives near perfection
- developed by motorola quality manager
- overall strategy to accelerate improvements in processes and services
2
Q
sigma
A
refers to standard deviation, six sigma refers to a process having six standard deviations
3
Q
sources of variation (4)
A
- design
- process capability
- measurement system
- material
4
Q
KPIV
A
key - process - input - variables
5
Q
DPU
A
defects per unit
6
Q
DPO
A
defects per opportunities (DPU/opportunities)
7
Q
Process capability
A
a measure of how well a process is within a specification - bigger is better
8
Q
how can we make process capability better? (4)
A
- design the product so a wider tolerance is functional
- choose equipment and methods for a good safety margin
- correctly adjust, but only when needed
- discover ways to narrow the natural variation
9
Q
process capability minimum
A
1.33 want 2 or more
10
Q
key metrics to detect improvement (6)
A
external metrics:
- quality
- price
- delivery
internal metrics:
- cycle time
- cost
- defects
11
Q
six sigma roles (6)
A
- executive
- champions
- master black belt
- black belt
- green belt
- yellow belt
12
Q
executive
A
- owns vision, direction - leads change
13
Q
champions
A
- create plan and individual projects - identify resources
14
Q
master black belts
A
- trains black and green belts - statistical problem solving experts
15
Q
black belts
A
leads problem solving projects
20
Q
A
capability index
