CA6140车床大修大拖板的“三、四装夹定位法”

Three or Four Clamping Location of CA6140 Lathe Major Overhaul of the Extension Units

车床大拖板经过一定时期的使用,各导轨面都会产生不同程度的磨损,为保证机床的精度要求,需对其进行修复。经调查与试验按以往的装夹方法维修出的大拖板超标率较高,而采用了"三、四装夹定位法"后,超标率大大降低。

After a certain period of use, the rail surface of lathe large extension units will have varying degrees of wear. In order to ensure the accuracy of machine tool, for its repair. After investigation and test by the clamping method of the past maintenance of the large extension units higher standard, and adopted the ＂ three or four clamping location＂, the standard rate greatly reduced.