GB∕T 31970-2025汽车气压制动钳总成性能要求及台架试验方法

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ICS 43.040.40

CCS T 24

中华人民共和国国家标准

GB/T 31970—2025

代替GB/T 31970—2015

汽车气压制动钳总成性能要求及

台架试验方法

Performance requirements and bench test methods for air

brake caliper assemblies of vehicles

2 0 2 5 - 0 8 - 2 9 发布

国家标准化管理委员会发布

国家市场监督管理总局

2026-03-01实施

GB/T 31970—2025

前言 ................................................................................................................................................................................ Ⅲ

1范围 .............................................................................................................................................................................1

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

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

4性能要求 ................................................................................................................................................................... 2

4.1 启动力 ............................................................................................................................................................. 2

4.2 机械效率 ......................................................................................................................................................... 2

4.3 钳体刚性 ......................................................................................................................................................... 2

4.4 钳体滑动阻力 ..................................................................................................................................................2

4.5 制动间隙自调功能 .........................................................................................................................................3

4.6 拖滞扭矩 ......................................................................................................................................................... 3

4.7 防水性 ................................................................................................................................................................ 3

4.8 工作耐久性 ..................................................................................................................................................... 3

4.9 振动耐久性 ..................................................................................................................................................... 3

4.10 扭转疲劳强度 ................................................................................................................................................. 3

4.11 磨损报警功能 ................................................................................................................................................. 3

4.12 盐雾腐蚀性..................................................................................................................................................... 3

4.13 耐泥浆性 ......................................................................................................................................................... 3

5试验相关要求 ......................................................................................................................................................... 4

5.1 试验设备要求 ..................................................................................................................................................4

5.2 样件要求 ........................................................................................................................................................... 4

5.3 试验条件 ............................................................................................................................................................5

6试验方法 ....................................................................................................................................................................5

6.1 启动力 ................................................................................................................................................................5

6.2 机械效率 ........................................................................................................................................................... 6

6.3 钳体刚性 ......................................................................................................................................................... 7

6.4 钳体滑动阻力 .................................................................................................................................................. 8

6.5 制动间隙自调功能 .........................................................................................................................................9

6.6 拖滞扭矩 ......................................................................................................................................................... 9

6.7 防水性 ............................................................................................................................................................. 10

6.8 工作耐久性..................................................................................................................................................... 10

6.9 振动耐久性..................................................................................................................................................... 13

6.10 扭转疲劳强度 ............................................................................................................................................. 13

Ⅱ

GB/T 31970—2025

6.11 磨损报警功能 .............................................................................................................................................. 13

6.12 盐雾腐蚀性 ..................................................................................................................................................14

6.13 耐泥浆性 ...................................................................................................................................................... 14

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标签： #GB #试验方法 #试验

摘要：

ICS43.040.40CCST24中华人民共和国国家标准GB/T31970—2025代替GB/T31970—2015汽车气压制动钳总成性能要求及台架试验方法Performancerequirementsandbenchtestmethodsforairbrakecaliperassembliesofvehicles2025-08-29发布国家标准化管理委员会发布国家市场监督管理总局2026-03-01实施GB/T31970—2025目次前言................................................................................

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GB∕T 31970-2025汽车气压制动钳总成性能要求及台架试验方法

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