quality functional deployment
TRANSCRIPT
Introduced in Japan in 1966 by Yoji Akao.
Quality function deployment is an approach for
implementing new design into the market.
Quality-Customer satisfaction .
Function-What must be done(Focus).
Deployment-How to use & develop it.
Customer Requirements
Company Measures
Parts design
Manufacturing Process
Production Requirements
(Day to Day Operations)
An initial step in launching QFD.
The HOQ leads to 4Ps processes.
A tool for comparing existing and potential designs.
1. List Customer Requirements .
2. List Technical Descriptors.
3. Develop a Relationship Matrix.
4. Develop the Interrelationship Matrix
5. Competitive Assessment
6. Develop Prioritized Customer Requirements
7. Develop Prioritized Technical Descriptors
Problem-Needs were not adequately understood.
Solution - Voice of the customer
Will list customer requirements and expectations
•Primary factors – broad
•Secondary factors - narrow
› Identifies the strength of relationship between customer requirements and technical descriptors
+9 Strong (●)
+3 Medium (○)
+1 Weak (Δ)
0 Not Applicable (Nothing)
Interrelationship Matrix
› Identify areas in your process where technical issues may conflict or be tough.
+9 Strong Positive (●)
+3 Positive (○)
-3 Negative (x)
-9 Strong Negative (*)
› Customer requirements on a scale of 1 to 5 (1 worst – 5 best)
› Technical descriptors on a scale of 1 to 5 (1 worst – 5 best)
› Finally rankings are compared to competitors by meeting customer requirements and technical descriptors on a scale of 1 to 5.
Develop Prioritized Customer Requirements
Technical Analysis of competitor products.
› Can Identify:
Importance of a customer requirement (1 to 10)
Target Value – where the company wants to be (1 to 5)
Scale-up factor – how many points are necessary to meet the target value
Develop Prioritized Technical
Descriptors
› Can identify:
Degree of difficulty of a technical descriptor
(1 to 10)
Target value – where the company wants to
be (1 to 5)