Quality Function Deployment - Lecture - Production Management, Lecture notes of Production Planning and Control

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House of Quality

House

of

Quality

forms

the

central

tool

for

QFD

and

is

the

most

recognized

form.

It

is

utilized

by

a^

multi

disciplinary

team

to

translate

a^

set

of

customer

requirements,

market

research

and

benchmarking

data

into

appropriate

targets

to

be

met in NPD.

Customer Requirements (cont.)

Skin pealing Leaf extraction Extraction of seeds Compact Lightweight Cleaning Friendly Low noise operation Safety Low power consumption Attractive

Functions Performance

2. Planning Matrix

-^

To

quantify

customer

requirement,

priority

and

their

perceptions

of

the

performance of existing product.

-^

The measures used in this section aregenerally gathered from customer usingquestionnaire.

-^

AHP

may

be

used;

Offering

the

customers to choose the important, fromvarious pairs.

-^

Planned

satisfaction

rating,

illustrating

the desired customer satisfaction level.

-^

Sales

point

:^

weightages

for

the

marketable requirements.

3. Technical Requirements

•^

Voice of the company.

-^

Generated by the QFD designteam who identify all themeasurable characteristics:“specified customer demand” ofthe product.

-^

A structured set of relevant andmeasurable productcharacteristics

PerformanceMeasure

Size ofrange

Technicaldetails

Meet standards

Weight

Size

Power consumption

No of colors

No of sizes

Capacity

Set of blades

No of buckets

Speeds of operation

High

Medium -Low

No of Blades

Speed of

Operation

Power

consumption

No of Buckets

Low Noise Skin pealing Cleaning friendly

5. Roof Matrix

•^

For each cell the question is asked: Does improving one technicalrequirement cause a deteriorationor improvement in the other.

-^

We can locate points where afocused design improvement couldlead to benefit of the product.

-^

Negative relationship areasrepresent opportunities forinnovations.

6. Target Matrix

•^

It summarizes the conclusionand the targets.

-^

The relative importance of TR inmeeting the customer needs, iscalculated using interrelationshipmatrix.

-^

Target of the engineeringspecifications to meet in NPD.

No of bucket

Power consumption

Speed of operation

Low NoiseSkin pealingCleaning Friendly Targets

5

2kw 8