Due to the important roles of lubrication in drawing copper rifled tubes, two kinds of lubricants were tested by analysing and comparing oils with emulsions.

• 鉴于工艺润滑在拉拔内螺纹铜管中的重要作用,本文研究了全油润滑和乳液润滑的作用,并且进行了分析、对比,另外,对全油润滑剂的粘度与油膜强度;