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Road vehicles—Drawbar couplings,drawbar eyes,fifth wheel kingpins,hook couplings and toroidal eyes—Wear limits for in-use mechanical couplings
MOD ISO/TS 20825:2003
全国汽车标准化技术委员会(SAC/TC 114)
本标准规定了使用中的机械连接件的磨损极限尺寸和最大允许磨损量,以保证安装该连接件的重型车辆的行驶安全。
本标准适用于下列标准的机械连接件:
--40 mm和50 mm牵引连接件(ISO 3584:2001);
--40 mm和50 mm牵引杆孔(ISO 8755:2001和GB/T 4781-2006);
--50号和90号牵引座牵引销(GB/T 4606-2006和GB/T 4607-2006);
--连接钩和环形孔(ECE R55,修订版1:2001)。
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