apqp與ppap概述(英文版)-在線瀏覽
2025-02-24 12:44本頁面
【正文】 ment. Base Documentation? Critical characteristics matrix.? Process flow diagram.? Design FMEA (supplied by customer).? Process FMEA.? Control plan.General? Supplier is responsible for meeting all applicable specifications.? Do not submit parts and documentation results if they are outside specification.? Take corrective action to meet all design record requirements.? Contact customer if unable to meet all requirements? Comply with customer developed material specifications and/or approved source list.General? Suppliers are required to plete and maintain copies of all documentation identified in “requirements for approval” regardless of submission level.? Records of PPAP are to be retained for the life of the part plus one calendar year.Elements of a PPAP? Part submission warrant? Subcontractor warrants? Design record (customer/design documentation)? Sample/Master sample (Master sample retained by supplier)? Dimensional analysis? Test data? Flow diagram? Control plan? PFMEA? Measurement Systems Analysis (GRR)? Capability studiesParts Submission Warrant? Upon satisfactory pletion of all required measurements and tests, enter all required information on the warrant.? A separate is required for each part number.? Responsible supplier official verifies– Measurements and tests conform to customer requirements– Required documentation is available for proper submission level.– Signs warrant and provided date, title and telephone number.Part Weight? Determine part weight without packaging or shipping material.? Report weight in kilograms to three decimal places.? Weight determination– Weigh 10 parts randomly selected and report the average weight.– For parts less than kilogram, weigh 10 parts together and report the average weight.Master Sample? Retain same as PPAP, or? Until new master sample is produced for the purpose of a customer approval.? Identify master sample by:– Part number– Drawing level or revision level– Customer approval datePreliminary Process Capability Studies? Characteristics identified in the control plan.? Usually 100 pieces minimum.? May be 30 if run is less.? Ppk is acceptable unless otherwise specified.? Ppk requires action plan unless otherwise specified.Production Trial Run? Production tooling, equipment, environment, facilities and cycle time.? Process Instructions and control plans.? Minimum quantity set by the custom
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