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PRODUCTION OPERATIONAS MANAGEMENT --Quality Improvement. Quality Improvement (QI). QI is a part of quality management committed to enhancing the ability to satisfy the quality requirements. (ISO 9000:2000). Challenge in QI. Dynamic Distribution of People’s behavior.

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PRODUCTION OPERATIONAS MANAGEMENT --Quality Improvement

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Production operationas management quality improvement

PRODUCTION OPERATIONAS MANAGEMENT--Quality Improvement


Quality improvement qi

Quality Improvement (QI)

  • QI is a part of quality management committed to enhancing the ability to satisfy the quality requirements. (ISO 9000:2000)


Challenge in qi

Challenge in QI

Dynamic Distribution of People’s behavior

60 %: watch and then follow slowly

15 %: accept latest

20%: accept first

5 %: never accept


Critical factors in qi

Critical factors in QI

  • Eight quality management principles

  • Project Operation/PDCA cycle

  • Linking quality to profit

  • Training and instruction

  • Tools


Production operationas management quality improvement

A

P

C

D

Plan

  • 1. Characterise the problem

  • 2. Analyse the causes

  • 3. Decide the solutions

  • 4. Implement the solutions

  • 5. Check effectiveness

  • 6. Standardise and generalise

Problem :

discrepancy between reality and what is wanted, expected or the objective

Do

Check

Act


Goals of qi

Goals of QI

  • SMART:

  • S-Specific

  • M-Measurable

  • A- Attainable

  • R- Relevant

  • T- Time Bound


Tools for qi

Tools for QI

7 QC tools, Parameter Design, POKA-YOKE, Regression Analysis, KANO, FMEA&FTA, QFD, SOW, ANOVA, MSA, DOE, VA, etc.


Case of order identification process

Yes 95%

Order processing

Is it a

complete

address?

Yes 90%

Is the code

effective?

Print orders

from system

View

Customer

Information

Search

required

goods

in system

Credit

Check

No 10%

No

5%

Send an

email to the

sales person

for inquiry

Send an

email to the

sales person

for inquiry

The sales person gets the address

Send an email

to order

processing

department

The sales

person

gets the code

Send an email

to order

processing

department

Sales

Get orders

Ensure the address is correct

Ensure goods are correct

Case of order identification process


Case of order identification process1

Case of order identification process

  • Number of attendants2

  • Number of working steps 9

  • Number of Value-Added steps0

  • Number of Non Value-Added steps9

  • Percent of Value-Added steps 0%

  • Number of branch processes of inquiring the sales person 2


Case of order identification process2

  • Total working time5 Minutes

  • Total throughput time 120 Minutes

  • Total working time / Total throughput time 4%

  • Number of files created 5

  • Number of processing by computer 2

  • Rolled Throughput Yield 86%

Case of order identification process


Case of order identification process3

Case of order identification process

  • If all the orders received have complete addresses and effective goods codes, the process of order input and checking has no necessity of existing.

  • Working time is only 4% of total cycle. Reducing waiting time can reduce total cycle to 1/25 of its original time.


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