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沈阳风动工具厂于一九六三年試制成功了YG50导軌式凿岩机和CZ300輪胎式钻車,經过一年多时間的实驗室性能試驗、矿山工业試驗和在南芬露天铁矿的生产使用后于六五年元月份进行了国家鉴定,現已基本定型并开始进行小批生产。CZ300輪胎式钻車及其配套的YG50导軌式凿岩机是属小直径深孔凿岩設备之一。过去一直是我国风动工具行业中的一个缺門,它可作为中小型露天采矿場、采石塲以及石方建筑工地露天钻凿炮孔作业的主要工具,
Shenyang Wind Tools Factory successfully manufactured the YG50 rail drilling machine and CZ300 wheel drilling rig in 1963. After more than a year of laboratory performance tests, mining industrial testing and production of Nanfen open-pit iron ore After the use, the country has been identified in January and June of the first six months of the year. It has basically been established and started small batch production. The CZ300 tire-type drilling rig and its supporting YG50 rail-type rock drill are one of the small-diameter deep hole drilling rigs. In the past, it has been a shortcoming in the pneumatic tools industry in China. It can be used as the main tool for open hole drilling operations in small and medium-sized open pit mining, quarrying, and stone construction sites.