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油淬火一回火弹簧钢丝是生产制造轿车悬挂弹簧和发动机气门弹簧的原料,这两类 弹簧在汽车工业零部件中属于“D”级产品,即按相关规定,一旦发现有缺陷整车必须强制召 回。所以,对该用途的钢丝有着极高的可靠性和安全性要求。油淬火一回火弹簧钢丝和汽车 轮胎用钢帘线并称为钢丝制品的顶级产品。文章介绍了油淬火一回火弹簧钢丝的常用钢种, 以及国外的钢种开发、生产技术关键及发展趋势,同时也介绍了目前国内技术水平和生产状 况,并提出了改进措施和发展方向。
Oil quenching a back to the spring steel wire spring is the manufacture and manufacture of suspension springs and engine valve spring of raw materials, these two types of springs in the automotive industry parts are “D” -level products, that is, according to the relevant provisions, once found defective vehicles must be forced recall. Therefore, the use of steel wire has a very high reliability and safety requirements. Oil quenching a back to the spring steel wire and tire car tires and known as the top products of wire products. This paper introduces the commonly used steel types of oil quenching and tempering spring steel wire, the key technology and development trend of foreign steel type developing and producing technology, as well as the current domestic technical level and production status, and presents the improvement measures and development directions.