Quality control
- 2. Quality • Quality + Control= Quality Control • Quality refers to the sum of the attributes or properties that describe a product or its capacity to satisfy a given need. • These are generally expressed in terms of specific product characteristics such as shape, dimension, composition, length, width, color etc.
- 3. • Control consist of: • It consist of setting standards, appraising conformity with the standard, taking corrective actions if these standards are violated, and planning for improvements.
- 4. Quality control • Quality control is a management system for initiating and cordinating: – 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
- 5. Characteristics • It is conformance to quality specification. • It apply on all stages of production. • Concerned with making things right rather than the discovering and rejecting those made wrong. • Cost reduction programme. • Technique of production control. • Management Tool • It attempts to anticipate problems before they occur.
- 6. Objectives of Q C • It is to provide products which are 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 • Decrease in scraps & wastage • Customer satisfaction • Better profits • Increase in Sales • Reduction in Production cost • Increase in goodwill
- 8. Need for quality • Improve production technique • Effective utilization of resources • High employee morale • Effective sales promotion • Fulfillment of social responsibility • Winning foreign markets
- 9. Stages of Quality Control • Policy Stage • Product Design Stage • Material Procurement Stage • Main Stores Stage • Production Stage
- 10. Types of Quality Control • Feedforward Quality Control • Concurrent Quality Control • Feedback Quality Control
- 11. Process of Quality Control • Establishing Quality Policy and Programme • Determination of Quality Standards and Specification • Inspection of Raw and In- process Material • Application of Statistical Technique • Inspection of Finished Products • Control action and Feedback
- 12. ISO • International Organisation for Standardisation – Geneva – 140 members – 1979 – Genesis of ISO 9000
- 13. 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.
- 14. Techniques & Methods of QC • Product Quality • Process Control Engineering • Quality Equipment Engineering • Inspection • Raw Material Control • Standards & Specifications • Control over Production Operations • Checking of tools and Machines • Procedures and Records
- 15. Techniques & Methods of QC • Control Charts • Acceptance Sampling • Tolerance • Total Quality Management (TQM) • Location of Inspection Points • Amount to Inspect • Development of Quality Consciousness • Quality Circles