×Application report for production qualification of locomotive forging products

Railway traction electric locomotive

Driven ring gear forging product production qualification application

Report

Zhangjiagang Hailu Ring Forging Co., Ltd.

June 14, 2004

table of Contents

Chapter 1 General

§ 1.1 Current Status of Ring Gear Products........................................................................2

§ 1.2 Advantages of Hailu Company..............................................................................2

§ 1.3 Product trial conclusions........................................................................2

Chapter II Basic Information of the Company..................................................................2

§ 2.1 Enterprise Capability Status....................................................................................2

§ 2.1.1 Technical Capabilities..............................................................................2

§ 2.1.2 Production capacity..............................................................................2

§ 2.1.3 Test and test capabilities........................................................................2

§ 2.1.4 Product quality control capabilities........................................................................2

§ 2.1.5 Enterprise sales and after-sales service ability........................................................................2

§ 2.2 Enterprise ISO9001 Quality System Operation............................................................2

Chapter III Product Prototype..................................................................2

§ 3.1 Product trial basis....................................................................................2

§ 3.1.1 Technical standards basis........................................................................2

§ 3.1.2 Current product drawings........................................................................2

§ 3.1.3 Special requirements put forward by the user..................................................................2

§ 3.1.4 Production program..............................................................................2

§ 3.2 Product Prototype Process Plan..............................................................................2

§ 3.2.1 Basic Process Flow........................................................................2

§ 3.2.1.1 Process plan characteristics..................................................................2

§ 3.2.1.2 Key Process Quality Control Measures......................................................2

§ 3.2.1.3 Process parameter verification..................................................................2

§ 3.2.2 Production pilot test........................................................................2

§ 3.2.2.1 Operation of main production equipment............................................................2

§ 3.2.2.2 Product quality traceability......................................................2

§ 3.2.2.3 Process parameter verification..................................................................2

§ 3.2.3 Standardization review conclusion of ring trial production............................................................2

§ 3.2.4 SS3 type ring gear processing and inspection of Yiyang Gear Factory......................................................2

§ 3.2.4.1 Ring gear ring detection..................................................................2

§ 3.2.4.2 Ring gear wheel detection..................................................................2

§ 3.2.4.3 Ring gear processing, assembly parameter verification......................................................2

Chapter IV Prototype Conclusions........................................................................2

§ 4.1 Product quality traceability........................................................................2

§ 4.2 Current Product Drawings....................................................................................2

Chapter V Attached Files....................................................................................2

§ 5.1 Zhangjiagang Hailu Ring Forging Co., Ltd. Industrial and Commercial License Photocopy......................................................2

§ 5.2 Zhangjiagang Hailu Ring Forging Company Enterprise Code Photocopy...................................................2

§ 5.3 Drawings and technical conditions of the ring gear ring of Yiyang Gear Factory............................................................2

§ 5.3 Product quality traceability........................................................................2

§ 5.4