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鑄銅合金含油軸承

2014-08-14 13:27 作者:管理員9 來源:未知 瀏覽: 次 字號: 大 中 小

摘要:鑄造青銅時加人微量的Ti, Zr, Fe或Al等元素，使晶粒細化，從而形成多孔性的鑄件，浸漬潤滑油后 成為鑄銅合金含油軸承。 鑄銅合金含油軸承的特點是: ①需要進行切削加工; ②鑄造法生產，不需要成形金屬模具，故適宜制造批量小的中、大型含油軸承; ③與銅基粉

    鑄造青銅時加人微量的Ti, Zr, Fe或Al等元素，使晶粒細化，從而形成多孔性的鑄件，浸漬潤滑油后
成為鑄銅合金含油軸承。
    鑄銅合金含油軸承的特點是:
    ①需要進行切削加工;
    ②鑄造法生產，不需要成形金屬模具，故適宜制造批量小的中、大型含油軸承;
    ③與銅基粉末冶金含抽軸承比較，鑄銅合金含油軸承承載能力高，磨損率低，抗膠合性相近;
    ④孔隙率低、含油量少，故往往需要有間歇供油裝置。
    鑄銅合金含油軸承與銅基粉末冶金含油軸承的性能比較見表13.4-3。
鑄銅合金含油軸承與銅基粉末冶金含油軸承的性能比較
 
 

(責任編輯：laugh521521)
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