Variation Management of Key Characteristics Contents Key Characteristics definition Purpose Method for accomplishment Process Control Document form Structure of the standard Status and timeframe objective.

Control of variation is necessary for meeting Customers' requirement/satisfaction. Control of variation is necessary for meeting Customers' requirement/satisfaction. Variation Management of Key Characteristics Definition of Key Characteristics Significant influence :  Product fit  Performance  Service life  Manufacturability Measurable features.

Variation Management of Key Characteristics Purpose Intent to drive the improvement of the manufacturing processes through adequate planning and effective management of Key Characteristic variation. Methodology for component/process proving focused on Key Characteristics.  Understanding processes  Using appropriate tools  Demonstrating acceptable process capabilities  Guidelines for reporting process capability data to primes.

Variation Management of Key Characteristics Method of accomplishment Operate the process Analyze data Analyze data Take action from study Yes  Output for each stage.  Report to a common form. Plan a manufacturing process Understand Key Characteristics Understand Key Characteristics Is a process change required ? Continue to monitor performances No

Variation Management of Key characteristics Process Control Document (PCD) form  Written description of manufacturing plan  Living document  Performance results  History of changes. PCD is the preferred method of fulfilling the documentation requirements PCD is the preferred method of fulfilling the documentation requirements

AS9103 PROCESS CONTROL DOCUMENT Page 1 of 2 Process Control Document NumberProcess OwnerDate (Original)Date (Rev)Flowchart Created? Yes/No Part Number / Part Family / Latest Change LevelProducer Approvals and DateCustomer Approvals and Date Part Name / DescriptionName: Producer / PlantManufacturer CodeName: STAGE 1STAGE 2 KC NoKEY CHARACTERISTIC(S)Minimum Requirement Origin of KCAre Sources of Variation Identified? Yes/No Is Risks Mitigation Specified? Yes/No KC Name Process IDOperation Number Work Instruction No. /Change Level CpCpk

AS9103 PROCESS CONTROL DOCUMENT Page 2 of 2 Process Control Document NumberPart Number / Latest Change LevelDate (Original)Date (Rev) STAGE 3STAGE 4 STAGE 5STAGE 6 KC No. Preliminary Process Capability Study -Type of Control Chart Results of StudyAction from Study, Y/N Ongoing Monitoring Methods Stable Y / N CalculationsControl Chart/OtherCapability Review Freq. Hist / NewDateGageGage #M.S.A. %nFreq.MeanStd. Dev.CpCpkTypeFrequency

Variation Management of Key Characteristics Structure of the standard  Consist of 2 sections :  Minimum requirements  general requirements (process capability, variation management, substitute KCs, flow-down to sub- tiers……)  Flowchart with 7 stages  Best practices / guidelines/ form in appendix format.  Process Control Document (PCD)  Model for flowchart activities

Variation Management of Key Characteristics Status and timeframe objective  Standard balloted and consensus reached  PCD form available on document.  Recommended tools / forms may be incorporated in the IAQG web-site THIS STANDARD SHOULD BE AVAILABLE IN JULY 2001

Variation Management of Key Characteristics Questions ?