轴承分选装置 毕业设计.doc

摘要 轴承是当代机械设备中一种举足轻重的零部件，它广泛应用于工业农业、交通运输、国防、航空航天、家用电器、办公机械和高科技等领域，与国计民生息息相关Abstract Bearing is a kind of important modern machinery parts, which is widely applied in industry, agriculture, transportation, aerospace, defense, household appliances and office machinery and high-tech fields, and Close