论文部分内容阅读
螺旋机构具有结构简单、傅动比大、可以自锁等许多优点,因此在机械制池中,通常用它来将旋转运动转换成直线运动或作相反的转换。但是,普通螺旋机构中的摩擦是滑动摩擦,所以摩擦损失较大、磨损较快和效率较低。三十年代,尼柯诺夫曾经造出利用滚动摩擦代替滑动摩擦的螺旋机构(前者在下文称为滚珠螺旋机构,后者称为普通螺旋机构)。随着理论研究和制造技术水平的不断提高,这种机构目
The screw mechanism has many advantages, such as simple structure, large flux ratio and self-locking. Therefore, it is usually used in a mechanical system to convert rotational motion into linear motion or vice versa. However, the friction in a conventional screw mechanism is sliding friction, so the friction loss is large, the wear is quick and the efficiency is low. In the 1930s, Nikonov used to create a screw mechanism that uses rolling friction instead of sliding friction (the former is hereinafter referred to as a ball screw mechanism, the latter being referred to as an ordinary screw mechanism). With the continuous improvement of theoretical research and manufacturing technology, this organization aims