论文部分内容阅读
多线螺纹它不仅要保证每条螺纹的尺寸精度和形状精度,而且还要保证几条螺纹的相对位置精度。如果几条螺纹的位置精度(分线精度)出现较大误差,将会影响其配合精度,甚至造成无法安装,工件报废。一、常用梯形螺纹的车削方法和弊端如果我们采用以前的方法,先车一条螺旋线,单边留0.15mm余量,再将小滑板移动一个螺距加工另一条螺旋线,将另外一个螺旋线深度车到位,两边同样各留1.5mm的余量,然后再精车。但这样车首先速度较慢,用于测量的时间
Multi-thread it not only to ensure the accuracy of each thread size and shape accuracy, but also to ensure the accuracy of the relative position of several threads. If several thread position accuracy (line accuracy) greater error, will affect the accuracy of its coordination, or even cause can not be installed, the workpiece scrapped. First, the commonly used trapezoidal thread turning methods and disadvantages If we use the previous method, first car a helix, unilateral left 0.15mm margin, and then move a small skateboard to process another helix pitch, the other a helix depth Car in place, the same left on both sides of the remaining 1.5mm, and then fine car. But this car first slow, used to measure the time