在一次处理燃轴事故中,我们发现在三辆50吨的货车中,7个发生燃轴的轴头,轴颈直径都小于130毫米,在直径126～128毫米之间。观察轴箱内部情况时,有的轴瓦白合金已开始碾堆,但油卷变化不大,油也不少。经检查发现,瓦垫较薄,仅20毫米厚,瓦体厚亦只有22毫米(镶尼龙瓦头已熔),但均在厂修限度以内。我们查阅了限 In dealing with the combustion shaft accident, we found that of the three 50-ton trucks, seven of the shaft heads of the combustion shaft were produced, each with a journal diameter of less than 130 mm and a diameter of 126 to 128 mm. When observing the internal condition of the axle box, some bearing white metal has started to grind the pile, but the oil rolled little change, the oil is not less. After inspection found that tile pad is thin, only 20 mm thick, tile body thickness is only 22 mm (studded nylon tile melted), but are within the factory repair limits. We checked the limit