VCM顾客不良改善对策PPT课件

1、2D (Problem Description) 1.Lot Commonality studyContentsLGIT Lot # Lot # Lot#LGIT Lot No or Lot No or Lot NoAF0132112012.03.132012.03.013D (Containment Action) / (Department / Member) 杨杨震震 /QAImplementation Date2012.03.021. OQC 品质警察 理线作业方法重点Check 第1页/共6页4D (Root Cause Analysis) (Root Cause) (Catch t

2、he cause) Yes No On-going 1.不良原因： - Spring突出部位 Drop Test过程中受冲击上下晃动 - 理线方向不统一 Spring上方环绕理线方式不合理理线方向OK理线方向NGSpring突出部位Drop Test Spring突出部位受冲击上下晃动，Spring晃动拉扯Coil导致断线发生示意图Spring上方环绕理线方式 Tinning线残留长度短，冲击晃动过程中 拉伸长度不够导致断线发生上方环绕方式第2页/共6页4D (Root Cause Analysis) (Root Cause) (Catch the cause) Yes No On-going

3、2. Fishbone diagram - 3. Man2. MethodNone作作业业方法不方法不统统一一None4. Material None作作业业方法无基准方法无基准1. MachineNone第3页/共6页5D (Permanent Action) / (Department / Member) Lian-jun Zhang/CM Manufacturing (Date)March0212 (Action Plan & Result)1. 理线环绕方式改善: Before: 理线方向不统一（Spring上方绕线理线+下方绕线理线） After: Spring下方环绕方式理

4、线Spring下方环绕理线方式同比Spring上方环绕理线方式Tinning线残留长度更长，能有效防止冲击断线发生第4页/共6页6D (Verification of the Effectiveness) / (Department / Member) 杨杨震震/ QA (Date)March0212 (Verification of The Action Result) (Action Plan & Result)7D (Prevent Recurrence) / (Department / Member) 胡北胡北/ 开发开发 (Date)April0612 (Standardization) FMEA (Control Plan) QC Flow Chart (Work Instruction) Etc (Detail)8D (Approval Of 8D Corrective Action) (Approval) (Name) (Department) (Position) (Review) (Sign Off) (Team Leader