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高压精密滤油器基型ZU-H63×3于1986年6月19日在上海通过鉴定。上海市农业机械局组织了会议,参加会议的有21个单位42个代表。精密滤油器ZU-H63×3是机械工业部“六五”规划重点攻关项目,由广州机床研究所负责、上海高行液压件厂主要协作完成的,其主要技术指标达到320kgf/cm~2的压力,过滤精度达到3～5μ(名义精度),额定流量631/min。其中,过滤精度是由广州机床研究所用加
High pressure precision oil filter based ZU-H63 × 3 in June 19, 1986 in Shanghai passed the appraisal. Shanghai Agricultural Machinery Bureau organized a meeting to attend the meeting of 21 units 42 representatives. Precision oil filter ZU-H63 × 3 is the Ministry of Machinery Industry “Six Five” planning key research project by the Guangzhou Machine Tool Research Institute responsible for Shanghai Gaohang hydraulic parts plant mainly completed in collaboration, the main technical indicators have reached 320kgf / cm ~ 2 The pressure, filtration accuracy of 3 ~ 5μ (nominal accuracy), the rated flow of 631 / min. Among them, the filtration accuracy is added by Guangzhou Machine Tool Research Institute