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适用于内侧减速顶的调车机车DJND型轮缘踏面、运用限度、检测量具的铁道部技术鉴定会于1993年4月20日在青岛召开,会议进行两天,通过了部级鉴定。适用于内侧减速顶的编组场“调车机车轮缘踏面外形、运用限度、检测量具”课题研究,根据机务局的建议,铁道部1989年立项,同年10月铁道部科技司以89—机—35号合同下达研制任务,四方车辆研究所主持,哈尔滨局、上海局、广州局和上海铁道学院参加了研究试验工作。经过将近三年的现场调研、理论分析、设计计算、方案论证、模拟试验及装车运用实际考验,确定出比较理想的轮缘踏面外形、安全可靠的运用限度、比较科
Suitable for the inner deceleration top shunting locomotive DJND-type rim treads, the use of limits, measuring the Ministry of Railways technical appraisal will be held on April 20, 1993 in Qingdao, the meeting for two days, passed the ministerial appraisal. According to the proposal of the Bureau of Construction Machinery, the Ministry of Railways initiated the project in 1989. In October of the same year, the Ministry of Science and Technology of the Ministry of Railways adopted the method of 89-machine- 35 contract issued by the development mission, presided over by the Sifang Vehicle Institute, Harbin Bureau, Shanghai Bureau, Guangzhou Bureau and Shanghai Railway Institute to participate in research and experimental work. After nearly three years of on-site investigation, theoretical analysis, design calculation, program demonstration, simulation test and actual test of loading and unloading, the ideal rim tread shape, safe and reliable operation limit, comparison section