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以往我们在修理溜板燕尾导轨(见图1)时,均采用自由刮研。经这样修理装配后,往往发现横向丝杠作前后运动时,产生松紧不一现象。起先,我们以为横向丝杠的丝扣与丝母接触不良所致,经反复的更换丝母后,并无效果。经过较长时间的摸索、分析,得出了下面一些看法:两平面a和两角度面b应与丝杠孔中心线的上母线和侧母线相平行。但在使用过程中,由于切削受力和加工零件的材料不同(如铸铁切屑是粉状),加上润滑维护不良等
In the past we are in the repair slide dovetail rail (see Figure 1), are free to scratch research. After repaired and assembled in this way, it is often found that when the horizontal lead screw is moved forward and backward, the phenomenon of uneven elasticity occurs. At first, we think that the screw of the horizontal screw thread is not connected with the nut well. After repeated replacement of the nut, there is no effect. After a long period of exploration and analysis, the following observations were made: The planes a and b should be parallel to the upper busbar and the side busbar of the screw hole centerline. However, during use, due to the cutting force and processing of parts of different materials (such as cast iron chips are powder), coupled with poor lubrication and maintenance