经典8D案例分析

1、【精品文档】如有侵权，请联系网站删除，仅供学习与交流经典8D案例分析.精品文档.客户抱怨回复报告Customer Complain Reply Report诉怨日期Complain Date：回复日期Reply Date：经办Prepared By： 客户Customer.：报告编号Report No.：核准Approved By：主题SUBT： Studs of the cabinet bottom broken1、问题描述（Problem Description）：Frontech customer found there was transformer movement inside t

2、he UPS, and Umax & Frontech customer found in some units the Studs of the cabinet bottom were broken, and the transformer clamps are bending. Pictures as below.2、问题处理成员（Team Members）3、原因分析（Root Cause Analysis）：1. The transformer movement issue: Leaders transformer had used small clamps, some cla

3、mps may not be fully tight, and the gaps of the studs were a bit large, so the in some cases the transformer have abit movement, picture as below.2. The Studs of the cabinet bottom were broken: it seems the UPS was dropped from high height , we have done the drop test to check this problem,

4、0;normally this problem cannot happen.4、临时性措施（Short-Term Corrective Action）：Repair the failed units.5、长期性措施（Long-Term Corrective Action）：For this loose fitting of transformer issue, we have already changed the transformer clamp, it can fix the transformer full tightly, picture as below.And we will i

5、ncrease the thickness of the studs in the cabinet bottom , so that the gaps will be reduced, it can hold the transformer tightly, and the studs will be more solid , it is not easy to be broken.6、改善效果（Improved Result）：We have done the drop test to check the corrective actions, the studs are all OK.7、预防再发生措施（Preventive Action）：Same as item 5.8、问题结