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土方机械制动系统测试方法较多,国内土方机械行业一般按照GB/T 21152-2007《土方机械轮胎式机器制动系统的性能要求和试验方法》(ISO3450:1996,IDT),对轮胎式土方机械进行试验。该标准规定了土方机械行车制动和停车制动的试验方法和限值,以及行车制动热衰减的试验方法和限值。本文对GB/T 21152-2007标准中轮胎式土方机械制动系统热衰减的试验标准进行分析和解读。
Earth-moving machinery braking system test methods are more, earthwork machinery industry in China generally in accordance with GB / T 21152-2007 “Earth-moving machinery tire braking system performance requirements and test methods” (ISO3450: 1996, IDT) Mechanical test. This standard specifies the test methods and limits for earth-moving machinery service braking and parking brakes, as well as the test methods and limits for thermal braking of service brakes. This paper analyzes and interprets the test standard of thermal decay of the tire type earthmoving machinery brake system in GB / T 21152-2007 standard.