Second Edition, Issued July 2005 Issued 1992, Second Printing March 1995 (new cover only) Copyright 0 1992, 0 1995,O 2005 /I, DaimlerChrysler Corporation, Ford Motor Company, and General Motors Corporation This Reference Manual was developed by the Statistical Process Control (SPC) Work Group, sanctioned by the DaimlerCl~sler/Ford/General Motors Supplier Quality Requirements Task Force, and under the auspices of the American Society for Quality (ASQ) and the Automotive Industry Action Group (AIAG). The Work Group responsible for this Second edition was prepared by the quality and supplier assessment staffs at DaimlerChrysler Corporation, Delphi Corporation, Ford Motor Company, General Motors Corporation, Omnex, Inc. and Robert Bosch Corporation working in collaboration with the Automotive Industry Action Group (AIAG). The Task Force charter is to standardize the reference manuals, reporting formats and technical nomenclature used by DaimlerChrysler, Ford and General Motors in their respective supplier assessment systems. Accordingly, this Reference Manual can be used by any supplier to develop information responding to the requirements of either Daimlerchrysler's, Ford's or General Motors' supplier assessment systems. This second edition was prepared to recognize the needs and changes within the automotive industry in SPC techniques that have evolved since the original manual was published in 1991. ) The manual is an introduction to statistical process control. It is not intended to limit evolution of SPC methods suited to particular processes or commodities. While these guidelines are intended to cover normally occurring SPC system situations, there will be questions that arise. These questions should be directed to your customer's Supplier Quality Assurance (SQA) activity. If you are uncertain as to how to contact the appropriate SQA activity, the buyer in your customer's purchasing office can help. The Task Force gratefully acknowledges: the leadership and commitment of Vice Presidents Peter Rosenfeld at DaimlerChrysler Corporation, Thomas K. Brown at Ford Motor Company and Bo Andersson of General Motors Corporation; the assistance of the AIAG in the development, production and distribution of the manual; the guidance of the Task Force principals Hank Gryn (DaimlerChrysler Corporation), Russ Hopkins (Ford Motor Company), and Joe Bransky (General Motors Corporation). Therefore this manual was developed to meet the specific needs of the automotive industry. This Manual is copyrighted by DaimlerChrysler Corporation, Ford Motor Company, and General Motors Corporation, all rights reserved, 2005. Additional manuals can be ordered from AIAG and/or permission to copy portions of this manual for use within supplier organizations may be obtained from AIAG at 248- 358-3570 or http:llvvww.aiag.org. The joint consensus on the contents of this document was effected tl~ougli Task Team Subcommittee Members representing DaiinlerChrysler, Ford, and General Motors, respectively, whose approval signatures appear below, and who gratefully acknowledge the significant contribution of Gregory Gmska of Omnex Inc., Gary A. Hiner of Delphi Corporation, and David W. Stamps of The Robert Bosch Corp. The latest improvements were updating the format to confonn to the current AIAGI IS01 TS 16949:2002 documentation, more clarification and examples to make the manual more user friendly and additional areas which where not included or did not exist when the ori-ginal manual was written. The current re-write subcommittee is chaired by Mike Down from General Motors Coiyoration and consists of Todd Kerltstra and Dave Benham from DaimlerChsysler Corporation, Peter Cvetlcovslci from Ford Motor Company, Gregory Gruska, as a representative of the Omnex Inc. and ASQ, Gaiy A. Hiner of Delphi Corporation, and David W. Stamps of The Robert Bosch Corp. Michael H. Down General Motors Corporation Peter Cvetltovslti Ford Motor Company Todd Kerltstra DaimlerChysler Corporation David R. Benham DaiinlerChrysler Corporation This Reference Manual was prepared by the quality and supplier assessment staffs at Chrysler, Ford and General Motors, working under the auspices of the Automotive Division of the American Society for Quality Control Supplier Quality Requirements Task Force, in collaboration with the Automotive Industry Action Group. The ASQCIAIAG Task Force charter is to standardize the reference manuals, reporting formats and technical nomenclature used by Chrysler, Ford and General Motors in their respective supplier assessment systems: Supplier Quality Assurance, Total Quality Excellence and Targets for Excellence. Accordingly, this Reference Manual can be used by any supplier to develop information responding to the requirements of either Chrysler's, Ford's or General Motors' supplier assessment systems. Until now, there has been no unified formal approach in the automotive industry on statistical process control. Certain manufacturers provided meth...