jbt9746.2-2011船用齿轮箱第2部分：灰铸铁件技术条件

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1、ICS27.020J91备案号：33674—2011中华人民共和国机械行业标准JB/T9746.2—2011代替JB/T9746.2—1999船用齿轮箱第2部分：灰铸铁件技术条件Marinegearboxes—Part2：Grayironcastings—Specifications2011-08-15发布2011-11-01实施中华人民共和国工业和信息化部发布JB/T9746.2—2011目次前言.........................................................

2、.............................................................................................................II1范围................................................................................................................................................

3、................12规范性引用文件............................................................................................................................................13技术要求.......................................................................................

4、.................................................................13.1总则.............................................................................................................................................................13.2材料和金相组织...................

5、......................................................................................................................13.3铸件表面质量..................................................................................................................................

6、...........13.4铸件质量偏差.............................................................................................................................................33.5铸件尺寸公差......................................................................................

7、.......................................................33.6铸件几何公差.............................................................................................................................................44试验方法..............................................

8、..........................................................................................................44.1化学成分和力学性能试验.........................................................................