oil well cover

In this paper,a special machine tool for drilling lubricating hole and flange hole of crankshaft is introduced.

文章介绍了一种用于加工曲轴润滑油孔及连接法兰孔的专用钻床,该专机具有主轴调速范围大、行程长等特点,该机床适用于大型结构件深孔加工,使用结果表明,具有一定的实用性和应用价值。