数显装置用于立车加工测量,特别车加工主要和关键零件时效果很好,但仅限于减少测量次数,不能摆脱量具,在第一刀车削后仍须用大量具测量,很不方便。我国虽有国外引进立车数显对刀仪器,但由于它是刀尖定位和机外对刀,因而只适用于有专用刀架的数控机床。受上述对刀仪的启发, Digital display device for vertical lathe machining measurement, special car processing the main and key parts of the good results, but only to reduce the number of measurements, can not get rid of the gauge, the first knife turning still need a large number of measurements, it is inconvenient. Although our country has introduced a number of foreign legislation on the car tool, but because it is the tip of the knife positioning and the machine outside the knife, which is only applicable to a dedicated tool holder CNC machine tools. Inspired by the above knife,