Quality control

1. The Element of Quality control
by- Hemant Dohrey
15/LIFT/001

2. Quality
• Quality refers to the sum of the attributes or
properties that describe a product
• These are generally expressed in terms of
specific product characteristics such as length,
width, colour, specific gravity and the like.
– Performance
• Conformity to performance standards

3. Definition
• ASQC – Quality means the totality of features
and characteristics of a product or service
that bear on its ability to satisfy given needs
• From customer’s perspective, quality of a
good or service is fitness for use of it
• Customer satisfaction for the price of the
product

4. • Quality is a blend of:
–Fitness of purpose, adequacy of functioning
and reliability, for the price paid
–Design and manufacturing characteristics
tailored to meet customer’s requirements
during service
–Availability when required

5. Quality control
• Quality control is a management system for
initiating and co ordinating:
– Quality development, quality maintenance and
quality improvement in the various departments
of design and manufacturing, for achieving the
twin objectives of:
Economical production and customer satisfaction

6. Objectives of Q C
• It is to provide products which are
dependable, satisfactory and economical
• To ensure economic production of
products of uniform quality acceptable
to the customer
• Aims at preventing the defects rather
than detecting the defects

7. Need for quality
• Increased productivity
• Reduced cost of repairs
• Increases loyal customer base
• Better profits

8. Quality creation
• Those activities involved in the selection of
the specific characteristics required to achieve
the desired quality and the processing or
fabrication of materials to conform to the
specific characteristics selected.
• Quality creation involves almost all
organisational elements of the enterprise and
is the basic objective towards which most
activity is directed

10. Quality control through Production systems
• Inputs – Raw materials – acceptance tests-
quality of inputs
• Conversion – production processes-control
charts- monitoring quality of partially
completed products
• Outputs- goods & services – acceptance tests-
quality of outputs

11. Quality control Techniques
• JIT
• Quality at source
• Inspection
• SQC
• QC
• TQM

12. Objective or philosophy of QC
• Reduce errors and enhance quality and
productivity
• Inspire more effective teamwork
• Promote job involvement and participation
• Increase employee motivation
• Create problem solving capability
• Build an attitude of ‘problem prevention’
• Improve communication in the organisation

13. • Develop harmonious manager – worker
relationship
• Promote personla and leadership
development
• Develop a greater safety awareness
• Promote cost reduction
• Catalyse attitudinal changes for greater
cohesiveness and teamwork

14. Process of QC
• Identification of problem
• Problem selection
• Problem analysis
• Recommendation to the Top management

15. ISO
• International Organisation for Standardisation
– Geneva
– 140 members
– 1979 – Genesis of ISO 9000

16. ISO 9000
• ISO 9000 standard represents an international
consensus on good management practices
with the aim of ensuring that the organisation
can time and again deliver the product or
services that meet the client’s quality
requirements. These good practices have
been distilled into a set of system, regardless
of what the organisation does, its size, or
whether it is private or public sector.

17. ISO
• Objective:
– To promote the development of standardiastion
and related activities in the world with a view to
facilitating international exchange of goods and
services, and to developing cooperation in the
spheres of intellectual, scientific, technological
and economic activity.

18. Principal concepts
• Demonstrate ability to consistently provide
product to meet customer and applicable
regulatory requirements
• Enhance customer satisfaction
• Improve the quality of its own operations
• Provide confidence to internal management
and interested parties that the requirements
of a quality management system are being
effectively implemented.

19. Benefits
• ISO 9000 certification has become the de
facto minimum requirement for entering into
global markets
• It provides an opportunity to increase value to
the activities of the organisation, by
streamlining quality management system.
• Improves the performance of processes/
activities continually thereby reducing the
cost of production

20. • It gives importance to customer satisfaction
• It helps to improve customer relations by
providing quality product or service
• It also acts as an incentive to develop
employee relations, employee empowerment
and organisational development