T/CFA 020101043-2022 压缩机蜗壳球墨铸铁件技术规范

ICS27.020

CCSJ31

团体标准

T/CFA020101043—2022

压缩机蜗壳球墨铸铁件技术规范

Technicalspecificationofcompressorvoluteductileironcastings

2022-03-17发布2022-06-17实施

中国铸造协会  发布

T/CFA020101043—2022

目次

前言.....................................................................................................................................................................III�

引言.......................................................................................................................................................................IV

1范围...................................................................................................................................................................1�

2规范性引用文件...............................................................................................................................................1�

3术语和定义.......................................................................................................................................................1�

4技术要求...........................................................................................................................................................1

4.1铸造附铸试样...........................................................................................................................................1

4.2铸件本体试样...........................................................................................................................................3

4.3几何形状和尺寸公差...............................................................................................................................3

4.4重量公差...................................................................................................................................................3

4.5表面质量...................................................................................................................................................3

4.6无损检测...................................................................................................................................................3

4.7密封性.......................................................................................................................................................4

5试验方法...........................................................................................................................................................4

5.1试块和试样...............................................................................................................................................4

5.2化学成分分析...........................................................................................................................................4

5.3力学性能试样...........................................................................................................................................4

5.4金相组织检验...........................................................................................................................................4

5.5几何形状与尺寸公差检验.......................................................................................................................4

5.6重量公差检验...........................................................................................................................................4

5.7表面质量检验...........................................................................................................................................4

5.8无损检测...................................................................................................................................................5

5.9密封性检验...............................................................................................................................................5

6检验规则...........................................................................................................................................................5

6.1取样批次...................................................................................................................................................5

6.2铸造附铸试样...........................................................................................................................................5

6.3铸件本体试样...........................................................................................................................................5

6.4几何形状与尺寸公差...............................................................................................................................5

6.5重量公差...................................................................................................................................................6

6.6表面质量...................................................................................................................................................6

6.7无损检测...................................................................................................................................................6

6.8密封性.......................................................................................................................................................6

7标志、质量证明书、包装和运输...................................................................................................................6

7.1标志...........................................................................................................................................................6

7.2质量证明书...............................................................................................................................................6

7.3包装和运输...............................................................................................................................................6

附录A（资料性）压缩机蜗壳球墨铸铁件化学成分.....................................................................................7

附录B（规范性）压缩机蜗壳球墨铸铁件结构示意图.................................................................................8

附录C（规范性）铸件实体硬度（布氏硬度）检测方法.............................................................................9

附录D（资料性）铸件密封性（水压）检测方法.......................................................................................11

图B.1压缩机蜗壳铸件结构示意图..................................................................................................................8

图C.1铸件实体硬度（布氏硬度）试验原理.................................................................................................9

图D.1铸件密封性（水压）试验装置示意图...............................................................................................11

I

T/CFA020101043—2022

表1压缩机蜗壳球墨铸铁试样的力学性能.....................................................................................................2

表2压缩机蜗壳球墨铸铁试样的金相组织.....................................................................................................2

表3渗透检测的质量等级要求..........................................................................................................................3

表4超声波检测的质量等级要求......................................................................................................................4

表5铸件密封性检测要求................................................................................................................