由上海内燃机研究所和北京汽车厂第二附件分厂共同设计、研制的YZ—1型液压动载滑动轴承试验台,经过5年的研制和调试工作,于1981年1月6日至9日在上海召开的鉴定会上通过了技术鉴定。一机部机械研究院张祖荫副总工程师主持了这次鉴定会。试验台主要技术参数为:受试轴承尺寸d×B=70×30mm,d×B值可以更换;受试轴承最大峰值 YZ-1 Hydraulic Dynamic Bearing Test Bench jointly designed and developed by Shanghai Internal Combustion Engine Research Institute and Beijing Automobile Factory Second Attachment Branch, after 5 years of research and test work, was successfully held on January 6-9, 1981 Appraisal meeting held in Shanghai passed the technical appraisal. Zhang Zuyin, deputy director of the Machinery Research Institute of a machine department presided over the appraisal meeting. The main technical parameters of the test stand are as follows: The bearing size d × B = 70 × 30mm, the value of d × B can be replaced; the maximum peak value of the tested bearing