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吉林市机床大修厂广大职工,在毛主席革命路线指引下,于1973年初试制成功了YT4043型液压自驱式动力头(见图。已由吉林市重工业局和科技局主持,并有天津、大连、长春等省、市有关部门、工厂以及科研设计等二十二个单位的四十多位代表参加的技术鉴定委员会作了鉴定,认为:该动力头具有造型美观、结构简单紧凑、操作方便、强度高、刚性好、进给无级调速稳定、工作循环灵敏可靠、油泵设计较先进等优点。制造质量及性能指标达到了设计要求。现已转入小批试生产。
Under the guidance of Chairman Mao’s revolutionary line, YT4043 hydraulic self-propelled power head was successfully trial-produced in 1973. It has been presided over by Jilin Heavy Industry Bureau and Science and Technology Bureau, and Tianjin, Dalian , Changchun and other provinces, municipalities departments, factories and scientific research and design of more than 40 representatives attended the technical appraisal committee was identified that the power head with handsome in appearance, the structure is simple and compact, easy to operate, High strength, good rigidity, stable and stable speed regulation of feed, sensitive and reliable working cycle, advanced design of oil pump, etc. The quality and performance index of the manufacturing have reached the design requirements.