Variation Management of Key Characteristics Contents Key Characteristics

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.

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

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

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

AS 9103 PROCESS CONTROL DOCUMENT Process Control Document Number Page 1 of 2 Process Owner Date (Original) Date (Rev) Flowchart Created? Yes/No Part Number / Part Family / Latest Change Level Producer Approvals and Date Customer Approvals and Date Part Name / Description Name: Producer / Plant Manufacturer Code STAGE 1 KC No STAGE 2 KEY CHARACTERISTIC(S) Minimum Requirement Origin of KC Are Sources of Yes/No KC Name Process ID Operation Work Instruction No. /Change Level Number Cp Cpk Is Variation Identified? Risks Mitigation Specified? Yes/No

AS 9103 PROCESS CONTROL DOCUMENT Process Control Document Number Part Number / Latest Change Level Date (Original) STAGE 3 KC Date (Rev) STAGE 5 STAGE 4 Preliminary Process Capability Study - Type of No. Page 2 of 2 Results of Study Action Control from Chart Study, STAGE 6 Ongoing Monitoring Methods Y/N Stable Calculations Control Chart/Other Capability Y/N Hist / New Date Gage # M. S. A. % n Freq. Review Freq. Mean Std. Dev. Cp Cpk Type Frequency

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……) Process model (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 AUGUST 2001

Variation Management of Key Characteristics Questions ?