Tuesday, August 28, 2007

Quality Lectures

Iso- 9001

  • It has four processes, Management Responsibility(top management process), resource management, Product realisation(Enabling section) and Management Analysis(feed back)Section.
  • Section 4 deals with documentation- 1,2 are reference sections, 4- documenting section which contains quality policy, quality manual , procedure and work instructions.
  • Section 5 deals with management responsibility which deals with management commitment, customer focus, quality policy(values driven document), planning ( quality objectives, measurable), responsibility and authority and internal communication ( policy, customer, product, administrative), management review ( agenda, minutes, actions taken to improve)
  • Resource Management include provision of resources, human resource ( competence, awareness, training), infrastructure, work environment( ergonomics)
  • Product realisation include Designing, Purchasing and production
  • Measurement analysis and improvement include internal audit, process benchmarking and non conforming product policy.

Quality has the following costs: prevention, appraisal, internal and external.

  • Prevention costs include setting standards, quality planning, quality assurance, inspecition equipment, training and miscellaneous costs
  • Appraisal costs include inspection, quality audit.
  • Internal costs include that of scrap, rework, downgrading, failure analysis
  • External costs include that of repair, warranty claims, complaints, returns and liability.

Four Point Defect System:

  • Length wise defects
  • Maximum 40 points/100 sq. yards
  • upto 3 in. - 1
  • 3-6 in. - 2
  • 6-9 in. - 3
  • above 9- 4
  • Holes 1 in. or less- 2 pt. , above 1 in. - 4 pt.
  • Points/100 sq. yards = (total pts *3600)/(fabric width in inches*total yards expected)

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