1引言工业生产中常将几台单独的机器联结为机组，使之在动力机的带动下完成各种工作。这种机器间的联接一个十分重要的课题是必须使两台或几台机器的轴对中。两轴对中的含意是使两根机轴的中心线同在一直线上。工业的发展以及人们对提高生产效率的追求，提高机器的运转转速就是 1 Introduction Industrial production often several individual machines as a unit, so that the power machine to do all kinds of work. One of the most important issues in the connection of such machines is that it is necessary to center the axes of two or more machines. The meaning of the two axes alignment is to make the centerlines of two axes coincide in a straight line. Industrial development and people’s pursuit of improving production efficiency, improve the speed of the machine is