标准编号:	TB/T 1718.2-2017
中文名称:	机车车辆轮对组装 第2部分：车辆
英文名称:	Wheelsets assembly for locomotive and rolling stock - Part 2: Railway rolling stock
行业分类:	TB    铁路运输行业标准
发布机构:	国家铁路局
发布日期:	2017-05-06
实施日期:	2017-12-1
标准状态:	valid
替代旧标准:	TB/T 2562-1995 铁道客车用车轮静平衡、轮对动平衡试验方法 TB/T 1718-2003 铁道车辆轮对组装技术条件
翻译语言:	英文
文件格式:	PDF
中文字符数:	10000 字
翻译价格(元):	600.0
交付时间:	付款后 1 个工作日

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. TB/T 1718 consists of the following three parts under the general title Wheelsets assembly for locomotive and rolling stock: ——Part 1: locomotive; ——Part 2: Railway rolling stock; ——Part 3: EMU/DMU This part is Part 2 of TB/T 1718. This part is developed in accordance with the rules given in GB/T 1.1-2009. This part replaces TB/T 1718-2003 Technical requirements of railway vehicles wheelset installation and partially replaces TB/T 2562-1995 Test method for static balance of wheel and dynamic balance of wheelset of railway passenger car. This part is mainly based on TB/T 1718-2003, and incorporates the dynamic unbalance of wheelset with maximum operating speed less than or equal to 200km/h specified in TB/T 2562-1995. The following main technical changes have been made with respect to TB/T 1718-2003: ——The width difference of cast steel wheel rim assembled on the same axle is modified (see Table 1; Table 1 of Edition 2003); ——The requirements of roundness, cylindricity and surface roughness of the disc hub hole after processing are deleted (see 4.3.6 of Edition 2003); ——The requirements of the transition arc radius of the wheel hub hole and the outer end surface of the wheel hub are deleted (see 4.3.7 of Edition 2003); ——The requirements of static unbalanced position of wheel and brake disc are modified (see 4.1.3; Table 3 of Edition 2003) ——The requirements that mineral oil may be coated on the surface of the wheel seat (disc seat) and the inner diameter surface of the wheel hub hole (disc hub hole) are added (see 4.2.1); ——The requirements of effective overhanging of the wheel shaft after wheelset assembly are added (see 4.2.5); ——The requirements of press assembling force of LZ45CrV steel axle are added (see Table2); ——The requirements of the second assembly in case of rejected press assembling force curve after wheelset press assembly are modified (see 4.2.8 and A.2.6; 4.4.7 and A.2.6 of Edition 2003); ——The requirements for oil-filled press disassembling are modified (see 4.2.10, 4.6 of Edition 2003); ——The requirements for hot charging of wheel and axle are added (see 4.3); ——The requirements of wheelset after assembling are modified (see Table 3, Table 3 of Edition 2003); ——The requirements of dynamic unbalance after assembling of wheelset are added (see 4.4.3); ——The management contents of the press assembling curve in retention period are deleted (see 4.4.4 and A.2.7 of Edition 2003). This part is under the jurisdiction of CRRC Qishuyan Locomotive & Rolling Stock Technology Research Institute Co., Ltd. The previous editions of this part are as follows: TB/T 1718-1987, TB/T 1718-1991 and TB/T 1718-2003. Wheelsets assembly for locomotive and rolling stock - Part 2: Railway rolling stock 1 Scope This part of TB/T 1718 specifies the technical requirements of parts and components and wheelset assembly as well as the inspection, marking, painting and protection of railway rolling stock wheelsets. It is applicable to the assembly of new wheels, new axles and new brake discs of railway rolling stocks with a maximum operating speed of less than or equal to 200km/h. It is not applicable to the assembly of power rolling stock wheelsets and the oil-filled press assembling wheelsets. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. TB/T 1010 Wheelset and bearing of railway vehicles - types and basic dimensions TB/T 1013 Carbon cast steel wheel TB/T 2708 Technical specifications for rolled solid wheels of railway rapid passenger car TB/T 2817 Technical specifications of rolled solid wheels of railway vehicles TB/T 2945 Technical specifications of LZ50 steel axle and steel billet for railway vehicles TB/T 2980 Brake disc of rolling stock 3 Technical requirements of parts and components 3.1 General provisions The axles, wheels and brake discs shall be in accordance with the product drawings and technical documents approved according to the established procedures. 3.2 Axle 3.2.1 Axle shall comply with the requirements of TB/T 1010 and TB/T 2945 or the corresponding technical documents. 3.2.2 Grinding or rolling process may be adopted for the final processing of wheel seat (disc seat). Rolling process, where used as the final processing, may be carried out only after the upper limit of the final turning processed surface roughness Ra of the wheel seat (disc seat) reaches 3.2μm. After the grinding or rolling of wheel seat (disc seat), the upper limit of surface roughness Ra shall be1.6μm and the roundness tolerance shall be 0.02mm; the cylindricity tolerance of truck wheel seat (disc seat) shall be 0.05mm while that of passenger car wheel seat (disc seat) shall be 0.015mm; the run-out of passenger car wheel seat (disc seat) shall be 0.03mm. The large end shall be on the inner side. 3.3 Wheel 3.3.1 Wheels shall comply with the requirements of TB/T 1010, TB/T 1013, TB/T 2817, TB/T 2708 or the corresponding technical documents. 3.3.2 For the processed wheel hub hole, the roundness tolerance is 0.02mm, the cylindricity tolerance is 0.05mm, and the large end shall be on the inner side; the upper limit of inner diameter surface roughness Ra of the wheel hub hole is 6.3μm. 3.3.3 Unless otherwise specified in the drawing, for the processed wheel hub hole, the radius of the transition arc of the wheel hub hole and the inner end surface of the wheel hub is 3mm. 3.4 Brake disc Brake disc shall comply with the requirements of TB/T 2980 or the corresponding technical documents. 4 Technical requirements for wheelset assembly 4.1 Basic requirements 4.1.1 Wheels and brake discs of the same type, material and manufacturer shall be assembled on the same axle. 4.1.2 The width difference of two wheel rims assembled on the same axle shall comply with the requirements of Table 1. Table 1 Maximum operating speed v km/h v≤120 120

Contents Foreword i 1 Scope 2 Normative references 3 Technical requirements of parts and components 4 Technical requirements for wheelset assembly 4.1 Basic requirements 4.2 Press assembly of wheel (brake disc) and axle 4.3 Hot charging of wheel and axle 4.4 Finished wheelsets 5 Inspection 6 Marking, painting and protection Annex A (Normative) Press assembling force curve and description of wheelset assembly

ICS 45.060.20 S 33 中华人民共和国铁道行业标准 TB/T 1718.2—2017 代替TB/T 1718—2003和部分代替TB/T 2562—1995 机车车辆轮对组装 第2部分：车辆 Wheelsets assembly for locomotive and rolling stock— Part 2：Railway rolling stock 2017—05—06发布 2017—12—01实施 国家铁路局 发布 前言 TB/T 1718《机车车辆轮对组装》分为三个部分： ——第1部分：机车； ——第2部分：车辆； ——第3部分：动车组。 本部分为TB/T 1718的第2部分。 本部分按照GB/T 1.1—2009给出的规则起草。 本部分代替TB/T 1718—2003《铁道车辆轮对组装技术条件》和部分代替TB/T 2562—1995《铁道客车用车轮静平衡、轮对动平衡试验方法》。本部分以TB/T 1718—2003为主，纳入了TB/T 2562—1995中的最高运行速度小于或等于200 km/h轮对动不平衡的内容。与TB/T 1718—2003相比，本部分主要技术变化如下： ——修改了同一车轴组装的铸钢车轮轮辋宽度差(见表1，2003年版的表1)； ——删除了盘毂孔加工后的圆度、圆柱度和表面粗糙度的要求(见2003年版的4.3.6)； ——删除了轮毂孔与轮毂外侧端面的过渡圆弧半径的要求(见2003年版的4.3.7)； ——修改了车轮、制动盘静不平衡位置的要求(见4.1.3，2003年版的表3)； ——增加了轮座(盘座)表面及轮毂孔(盘毂孔)内径面可涂抹矿物油的要求(见4.2.1)； ——增加了轮对组装后轮轴有效突悬量的要求(见4.2.5)； ——增加了LZ45CrV钢车轴的压装力的要求(见表2)； ——修改了轮对压装后，如压装压力曲线不合格，第二次组装的要求(见4.2.8、A.2.6，2003年版的4.4.7、A.2.6)； ——修改了注油压退的要求(见4.2.10，2003年版的4.6)； ——增加了车轮和车轴热装的要求(见4.3)； ——修改了轮对组装后要求(见表3，2003年版的表3)； ——增加了轮对组装后的动不平衡规定(见4.4.3)； ——删除了压装曲线保存期管理性内容(见2003年版的4.4.4，A.2.7)。 本部分由中车戚墅堰机车车辆工艺研究所有限公司归口。 本部分代替标准的历次版本发布情况：TB/T 1718—1987、TB/T 1718—1991、TB/T 1718—2003。 机车车辆轮对组装 第2部分：车辆 1 范围 TB/T 1718本部分规定了车辆轮对零部件技术要求、轮对组装技术要求、检验、标记、涂装与防护。 本部分适用于铁道车辆最高运行速度小于或等于200 km/h的新制车轮、新制车轴和新制制动盘的组装。 本部分不适用于动力轨道车辆轮对组装和注油压装轮对组装。 2规范性引用文件 下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件，仅注日期的版本适用于本文件。凡是不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。 TB/T 1010铁道车辆轮对及轴承型式与基本尺寸 TB/T 1013碳索钢铸钢车轮 TB/T 2708铁路快速客车辗钢整体车轮技术条件 TB/T 2817铁道车辆用辗钢整体车轮技术条件 TB/T 2945铁道车辆用LZ50钢车轴及钢坯技术条件 TB/T 2980机车车辆用制动盘 3零部件技术要求 3.1 总则 车轴、车轮、制动盘应符合按规定程序审批的产品图样及技术文件的要求。 3.2车轴 3.2.1 车轴应符合TB/T 1010、TB/T 2945或相应的技术文件的要求。 3.2.2轮座(盘座)的终加工可以采用磨削或滚压工艺。采用滚压工艺作为终加工时，轮座(盘座)终车削加工表面粗糙度Ra上限值为3.2 μm后方可进行滚压加工。轮座(盘座)经磨削或滚压加工后表面粗糙度Ra上限值为1.6 μm，圆度公差为0.02 mm，货车轮座(盘座)的圆柱度公差为0.05 mm，客车轮座(盘座)的圆柱度公差为0.015 mm，客车轮座(盘座)的跳动为0.03 mm。其大端应在内侧。 3.3车轮 3.3.1 车轮应符合TB/T 1010，TB/T 1013、TB/T 2817、TB/T 2708或相应的技术文件的要求。 3.3.2轮毂孔加工后的圆度公差为0.02 mm，圆柱度公差为0.05 mm，且大端应在内侧；轮毂孔内径表面粗糙度Ra上限值为6.3 μm。 3.3.3当图纸未规定时，轮毂孔加工后，轮毂孔与轮毂内侧端面的过渡圆弧半径为3 mm。 3.4制动盘 制动盘应符合TB/T 2980或相应的技术文件的要求。 4轮对组装技术要求 4.1 基本要求 4.1.1 同一车轴上应组装同型号、同材质、同厂家生产的车轮及同型号、同材质、同厂家生产的制动盘。 4.1.2 同一车轴上组装的两个车轮轮辋宽度差应符合表1的规定。 表1 最高运行速度v v≤120 12020％) 图A.11不合格曲线(曲线短L0/L<80％) 图A.12不合格曲线(陡升超过T1>98 kN) 图A.13不合格曲线(末段平直线长l3/L0>15％) 图A.14不合格曲线(末段下降线长l3/L0>10％) 图A.15不合格曲线[末段平直线和下降线长超过(l2+l3)/L0>15％] 图A.16不合格曲线(中间凹下) 图A.17不合格曲线(中间平直线长l2/L0>10％) 图A.18不合格曲线(中间下降、跳动) 图A.19 不合格曲线(压装力小，T3Tmax)