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Quality filter mapping is part of the value stream mapping[1] toolkit and is used to analyse processes/functions with respect to quality. The results of a quality filter map shows how much waste is being generated within an organisation at each stage of the process.

Three types of quality[2] are measured as part of the model:

  1. Product quality: Defective item provided to customer
  2. Defect quality: Defective item found prior to receipt by customer
  3. Service quality: Defects that affect the ability of the supplier to provide the service or product to the customer

Quality failures/defects are represented as a ratio (typically parts per million). Results of quality filter mapping are commonly used to feed into continuous improvement plans.

A revised map is then generated after implementation of improvement plans to measure the result of improvements.

References

  1. ^ Global Logistics and Distribution Planning: Strategies for Management By C. Donald J. Waters ISBN 0-7494-3930-0
  2. ^ Best Practice Procurement: Public and Private Section Perspectives: Andrew Erridge, Ruth Fee, John Mcllroy ISBN 0-566-08366-3
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