文档介绍：5CHA1M09C D3/4 ACTION TAKEN TO QUARANTINE NC PARTS -: 对隔离的不合格零件采取的措施# Part Checked at Date OK Not OK Ident. Mark on Not OK Mfg date & shift traceability for Rej qty Parts at Customer end 25 - 11 - 09 180 70 done 2009 - 10 - 11 Work in process 25 - 11 - 0950-- Parts in transits 25 - 11 - 0980-- Parts in field 25 - 11 - 09------ Inventory 25 - 11 - 09 100 0-- Disposal of the 'Not OK' Parts : Collected from AL H2 and returned to Supplier Identification of 'Not OK' Parts : identified on the wiper switch as rejection by marker Cutoff date of 1st ok part from : D4 ANALYSIS OF PROBLEM: ROOT CAUSE ANALYSIS 问题分析: 根本原因分析 . FISH BONE DIAGRAM PEOPLE 人 MACHINERY 机器 Effect * CUSTOMER 顾客 ENVIRONMENT 环境 MATERIALS 材料 D5 VALIDATION OF ROOT CAUSE 根本原因确认# Root Cause 根本原因 Verification 验证 Validation 确认 Significant 有效 Non significant 没有效 1 Mould wornout 模具磨损 Verified with mould as per specification 模具超差 Endurance tests conducted 寿命试验管理 Yes 23 D5/1 WHY ANALYSIS FOR WHY DEFECTIVE PARTS ARE PRODUCED 原因分析为了找出不良产生的原因 Why? Fuse Burnt when operating the Wiper Switch of bination Switch 滑动组合开关到开位时保险丝烧断 Why? Increase in load across the fuse. 增加通过保险丝的负载 Why? Short circuit between the terminals 和终点短路 Why? Protection rib height found less than specified & Gap less between the contacts 触电高度低于要求和间隙小 Why? Mould wornout 模具磨损 Most Probable Cause: Mould wornout The Fuse burnt when wiper switch was operated