行业标准JBT 3997-2011 金属切削机床灰铸铁件 技术条件.pdf

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1、ICS25.080.20J50备案号：32002—2011中华人民共和国机械行业标准JB/T3997—2011代替JB/T3997—1994金属切削机床灰铸铁件技术条件Metalcuttingmachinetoolgreycasting—Specifications2011-05-18发布2011-08-01实施中华人民共和国工业和信息化部发布JB/T3997—2011目次前言.....................................................................

2、...............................................................................................III1范围..............................................................................................................................................................

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

4、..................................................13.1灰铸铁牌号及选择.....................................................................................................................................13.2生产方法和化学成分...................................................

5、..............................................................................23.3力学性能.....................................................................................................................................................23.4金相组织................

6、.....................................................................................................................................53.5尺寸和尺寸公差...................................................................................................................

7、......................53.6加工余量.....................................................................................................................................................63.7重量公差........................................................................

8、.............................................................................63.8表面质量......................................................................................................