SMTC
上汽股份有限公司技术中心企业技术标准 Enterprise Technical Standard of SAIC Motor Technical Center
SMTC 21549?2010
汽车底盘零件焊接质量评价
Evaluation of Welding Quality of Parts of Vehicle
Chassis
2010-XX-XX 发布/Issue
2010-XX-XX实施/Implementation
上汽股份技术中心技术标准化委员会
Technical Standardization Committee of SAIC Motor Technical Center
I
SMTC 21549?2010
目 次
Table of Contents
前言 ........................................................................................................................................................................ II 1 适用范围 .......................................................................................................................................................... 1 2 定义 .................................................................................................................................................................. 1 3评价方法及要求 ................................................................................................................................................. 4 4返修 ................................................................................................................................................................... 13 5示意图 参考切片照片 ..................................................................................................................................... 13 6文件记录整理 ................................................................................................................................................... 13
Foreword ................................................................................................................................................................ II 1 Applicable Scope ............................................................................................................................................... 1 2 Definition .......................................................................................................................................................... 1 3 Evaluation Method and Requirement .................................................................................................................. 4 4 Rework .............................................................................................................................................................. 13 5 Sketch Map Referential Pictures of Cut Sample ............................................................................................ 13 6 Document Record Arrangement ...................................................................................................................... 13
I
SMTC 21549?2010
前 言
Foreword
本标准由材料分标委提出。
本标准由SMTC技术标准化委员会批准。 本标准由标准化工作组归口管理。 本标准起草部门：质保部中心实验室 本标准主要起草人：李吉鹏
本标准于2010年X月X日首次批准发布，2010年X月X日实施。
The Standard is brought forth by the Material Substandard Committee.
The Standard is approved by Technical Standardization Committee of SMTC.
The Standard is under the direct administration of Standardization Working Team. The Standard is drafted by: Central Lab of Quality Control Department The major drafter of the Standard: Li Jipeng.
The Standard is approved and issued on mm/dd, 2010 for the first time, and implemented on mm/dd, 2010.
II
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SMTC 21549?2010
打印、拷贝即为非受控文件，请核查最新版本
- Printed Copy is Uncontrolled – Check Issue is Current -
III
SMTC 21549?2010
汽车底盘零件焊接质量评价
Evaluation of Welding Quality of Parts of Vehicle Chassis
1 适用范围
1. Application scope
本标准规定了汽车底盘零件焊接质量的评价方法和要求。
本标准适用于汽车副车架，下摆臂，前后桥,前后缓冲梁的焊接连接检查。
The Standard stipulates the method and requirement on the evaluation of welding quality of parts of vehicle chassis.
The Standard is applicable to checking welding connection of sub-frame, arm-lower rocker, front and rear axles, and front and rear bumper beams.
2 定义
2. Definition
2.1 气体保护焊接连接 2.1.1 角焊缝 见图1
2.1 Gas protection welding connection 2.1.1 Fillet See Figure 1
焊缝 Welded seam
符号含义：
Symbol meaning:
a’ －最小焊缝厚度（焊高） f1 －t1构件的焊接熔深 e1’－最小焊缝底部焊接熔深 f2－t2构件的焊接熔深 e2’－最大焊缝底部焊接熔深 R－焊缝旋转角 t1, t 2－构件的厚度
a’ －minimum welded seam thickness (welded seam height) f1 －weld penetration of t1 member
1
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