tbt 3104-2005机车用铸铁闸瓦

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1、ICs45.060S32TB中华人民共和国铁道行业标准TB/T3104-1005机车用铸铁闸瓦Castironbrake-shoesforrailwaylocomotive2005-03-29发布2005-07-01实施中华少L民共和国铁道部发布TB/T3104-2005目次前言············································································································⋯⋯I1范围·...................................

2、...........................................................................12规范性引用文件································································································⋯⋯1内J技术要求··，·······，·······························································，···，······················

3、···⋯⋯1Jq试验方法·········································································································⋯⋯2l~检验规则·········································································································⋯⋯4标志与运输···················································

4、·················································⋯⋯5TB/T3104-2005月U青本标准由中国南车集团戚墅堰机车车辆工艺研究所提出并归口。本标准起草单位:中国南车集团戚墅堰机车车辆工艺研究所、铁道科学研究院机车车辆研究所、哈尔滨铁路局西鸡西机务段、铁道科学研究院金属及化学研究所、中国北车集团大连机车车辆有限公司。本标准主要起草人:钱坤才、王京波、张全惠、何忠、陈宁。本标准为首次发布。TB/T3104-2005机车用铸铁闸瓦范围本标准规定了铁道机车用铸铁闸瓦(以下简称闸瓦)的技术要求、试验方法、检验规则、标志及运输。本标准

5、适用于铁道机车用铸铁闸瓦，包括灰铸铁闸瓦(含中磷铸铁闸瓦)、高磷铸铁闸瓦和合金铸铁闸瓦。2规范性引用文件下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件，其随后所有的修改单(不包括勘误的内容)或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准。GB/T223.12-1991钢铁及合金化学分析方法碳酸钠分离一二苯碳酞二阱GB/T223.53-1987钢铁及合金化学分析方法火焰原子吸收分光光度法测定铜量GB/T223.54-1987钢铁及合金化学分析方法火焰原子吸收

6、分光光度法测定镍量GB/T231.1-2002金属布氏硬度试验第1部分:试验方法GB/T6414-1999铸件尺寸公差与机械加工余量GB/T7216-1987灰铸铁金相TB/T1661-1991铁道车辆高磷闸瓦TB/T2230-1991高磷中磷闸瓦碳、硫、锰、硅、磷化学分析方法TB/T2255-1991高磷铸铁金相]B/T7945-1999灰铸铁力学性能试验方法3技术要求3.，闸瓦应按本标准及经规定程序批准的图样制造和验收。3.2高磷铸铁闸瓦由钢背和瓦体组成，钢背应符合TB/T1661-1991中2.1的规定。灰铸铁闸瓦、合金铸铁闸瓦为瓦体结构，无钢背。3.3闸瓦瓦体材料采

7、用灰铸铁、高磷铸铁或合金铸铁。3.3.1灰铸铁、高磷铸铁、合金铸铁闸瓦的化学成分和力学性能见表to表，铸铁闸瓦的化学成分和力学性能化学成分%抗拉强度硬度01#F0Ft4(#MPaHBW10/3000.(C)w(Si)w(M.).(P)-(S)w(Cu)w(Cr)灰铸铁2.9-3.51.8-2.20.6-1.2簇1.0(0.15妻150179-255高磷铸铁2.8-3.61.5-2.20.8-1.21.3-2.0毛0.巧)150179-255甘笠狩饮2.8-3.61.28-1.81.2-1.9镇0.15<0.070.