22. Tolerancing and Quality Level

  1. Dr. Genichi Taguchi engineering Executive Director Honorary Member,
  2. Dr. Subir Chowdhury aerospace engineering, industrial management chairman CEO world leader strategist author honorary member honorary doctorate and
  3. Yuin Wu B.S. in chemical engineering professor Executive Director consultant

Published Online: 26 NOV 2007

DOI: 10.1002/9780470258354.ch22

Taguchi's Quality Engineering Handbook

Taguchi's Quality Engineering Handbook

How to Cite

Taguchi, G., Chowdhury, S. and Wu, Y. (2004) Tolerancing and Quality Level, in Taguchi's Quality Engineering Handbook, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470258354.ch22

Author Information

  1. American Supplier Institute (ASI), USA

Publication History

  1. Published Online: 26 NOV 2007
  2. Published Print: 22 OCT 2004

ISBN Information

Print ISBN: 9780471413349

Online ISBN: 9780470258354



  • design and production quality;
  • product cost analysis;
  • function variability and limits;
  • quality levels at factories


This chapter contains sections titled:

  • Introduction

  • Product Cost Analysis

  • Responsibilities of the Production Division

  • Role of Production in Quality Evaluation

  • Determination of Tolerance

  • Quality Level at Factories for Nominal-the-Best Characteristics

  • Quality Level at Factories for Smaller-the-Better Characteristics

  • Quality Level at Factories for Larger-the-Better Characteristics

  • Reference