密封钢丝绳是国家急需的短线产品,它主要是用在架空索道、铁索桥承载索、竖井的导轨索以及提升卷扬等方面。随着我国社会主义建设事业的发展,国家对密封钢丝绳的需要量将日益增加,而目前的生产是远远满足不了国家需要的,主要是靠进口解决。生产密封钢丝绳的关键,是Z型钢丝的生产问题,在国外一般是采用辊式拉模的方法进 Sealed wire rope is a national short-term needs of the product, it is mainly used in aerial ropeway, cable bridge bearing cable, shaft guide cable and hoist and so on. With the development of our country’s socialist construction, the country’s demand for sealed wire ropes will increase day by day. At present, the production is far from meeting the needs of the country and is mainly solved by imports. The key to the production of sealed steel wire rope is the production of Z-type steel wire. In foreign countries, it is generally adopted the method of roller die