在机床制造工业中使用铜合金的部件很多,一般都作为耐磨和防锈之用,如轴承、蜗轮、油开关等,其中以制造轴承用的铜合金质量要求较高,蜗轮用的铜合金次之。由于铜合金在工业上的应用范围日益扩大,而铜又是一种比较贵重和稀少的金 The use of copper alloy in the machine tool manufacturing industry, many parts, are generally used as wear and rust, such as bearings, worm gear, oil switches, etc., of which the manufacture of copper alloy bearings with higher quality requirements, Second. As the copper alloy in the industrial application of the growing range, and copper is a more expensive and scarce gold