该机床经过一年多的试磨和试生产,最近接受了由北京市机械局主持的有全国各有关单位参加的鉴定委员会的鉴定。鉴定认为:该机床的设计吸收了国内外的先进经验,工作可靠,精度稳定。机床的规格参数、几何精度和工作性能都达到了设计要 After more than a year of trial grinding and trial production, the machine tool recently accepted the appraisal of appraisal committees attended by all relevant units in the country under the auspices of the Beijing Municipal Bureau of Machinery. Identification that: the design of the machine has absorbed advanced experience at home and abroad, work reliable, accurate and stable. Machine specifications, geometric accuracy and performance have reached the design to be