Quality Control
Quality Control

Control is a critical issue facing every
manager in every organization today
Quality
control
The
Purpose and Important of Quality
Control
Basic
systems

allocating financial resources,

developing human resources,

analyzing financial performance
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Quality Control

Definition of quality:an essential or distinctive
characteristic ,property ,or attribute .For example=the
chemical qualities of alchocol

Definition of control:means of regulation or check or a
standard of comparison used in a statistical or scientific
experiment.

Definition of quality control:a system for verifying and
maintaining a desired level of quality in an existing
product or service by careful planning, use of proper
equipment, continued inspection ,and corrective action
as required.
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Organizational Control
Routine
checks
Zero
Defects
Monitoring
QC
Minimum
standard
inspection
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Quality control is of the expected
benefits ;




To prevent the production of coarseness
In the products they push changes other
than to reduce the number of incorrect parts
previously detected
At least create a fast and efficient quality
examination system costs
Reduce lost time workers and machinery to
increase production
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Historical Development of Quality Control
Three types of control

Quality control, for the first time in 1947, Armand
Vallin Feigenbaum by revealed in Japan

In 1961, Armand Vallin Feigenbaum authored the
book total quality Control and quality control have
brought a new approach.

In the same years Japan Joseph Juran and William
Edwards Deming's ideas began to base and total
quality management has been applied.
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Organizational Control Focus
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The Purpose and Important of
Quality Control:
The basic purpose of a quality control system to prevent the
production of coarseness.
Quality control purposes;

Improving product quality (size, volume, material,
hardness and other properties)

Reduce the costs of business and quality

Reduction of customer complaints and consumer
protection

The acquisition of competitiveness in foreign markets

Preventing waste of national wealth
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Stages Of The Control Process:
Includes self-control on behavior – personal values & attitudes
1)
2)
3)
4)
5)
The selection process will be checked
Determination of control unit
Determination of the performance of the topic and
purpose criteria will be checked
Determination of the difference between the intended
and the actual performance and interpretation
Actual measurement of performance
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The Seven Basic Tools of quality
Control:
Seven quality tool, a comprehensive weapons store for quality control.
1)
Ishikawa diagram
1)
Check sheet
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3)
Control chart
3)
Histogram
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5)
Pareto Diagram
6)
Scatter plot
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7)
Flow chart
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TOTAL QUALITY MANAGEMENT
1)
Marketing
2)
Engineering
3)
Purchasing and Production
4)
Mechanical inspection and Functional testing
5)
Transport,placement and service
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Quality Control Cycle;

Working at the same workplace or similar jobs that
employers are to analyze, solve problems, and collected at
regular intervals they create small working groups. Not
enough organization to apply the features of quality circles,
enterprise administrators will need to carry some qualities.
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Purposes of Quality Control Cycle;
1)
Improve the quality
2)
Improve your employess
3)
Promote relations
4)
To reduce costs
5)
Develop the culture of those who work
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Quality Control Circles Have Properties ;
①
②
③
④
Volunteering
All members participation
The vitality and continuity
Rewarding
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Quality Circle Process
Team
Creates Quality
Circle and
Collects
Information
Team
Selects
Problems to Be
Solved
Team
Gathers Data and
Analyzes
Problems
Feedback from Mangers to Quality Circles
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Team
Recommends
Solutions
Decision by
Top Management
Cost of prevention
of defects
Cost of warranty
claims
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Costs
of
quality
Cost of scrap and
rework
defective
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Learning. of
All rights
reserved.
products
Cost of detecting
defects in the final
product
QUALİTY CİRCLE
The QC circle was
formally organized
in Japan in 1962 by
Japanese Union of
Scientists and
Engineers(JUSE)
and the man who
initiated the idea is
Dr.Kaoru Ishikawa
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Quality of inputs
monitored
Quality of outputs
monitored
Random disturbances
Transformation
İnputs
process
Statistical process control
Feedback mechanisms
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Outouts
Process of QC
For specific point in time
Identification of problem
 Problem selection
 Problem analysis
 Recommendation to the Top management

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Problem’s stages
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ISO 900
second
party
audit
ISO 900
third
party
audit
Six Sigma
Quality system
Acceptanc
e sampling
Control charts
for variables
Statistical
process
control
Control charts
for altributes
ISO 900
Six Sigma
internal
audit
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Service
quality
management
Control
charts for
number of
defects
Industry
related
standart
audit
ISO
1.
International Organisation for
Standardisation

Geneva

140 members

1979 - Genesis
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Need for quality

Increased productivity

Reduced cost of repairs

Increases loyal customer base

Better profits
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a)
Wikipedia
THANK YOU FOR PATİENCE
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