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毛主席教导我们:“中国人民有志气,有能力,一定要在不远的将来,赶上和超过世界先进水平。”我国微型轴承的生产,过去受到刘少奇反革命修正主义路线的干扰和破坏,十多年来一直使用苏联四十年代的手动设备,生产效率低、劳动强度大、产品加工质量差,远远不能满足我国社会主义革命和社会主义建设的需要。为了改变这种落后状况,我所成立了由工人、技术人员和干部组成的“三结合”微型轴承内径磨床研制小组,在毛主席无产阶级革命路线指引下,以路线斗争为纲,坚持“独立自主、自力更生”的方针,开展了适合我国情况的全自动微型轴承内径磨床的研制工作。在哈尔滨轴承厂等兄弟单位的大力协作下,经过一年多的艰苦奋战和反复试验,终于研究试制成功（图1）。这种全自动微型轴承内径磨床（WZM701型）具有体积小、重量轻、结构简单、成本低、精度好、效率高等优点。
Chairman Mao taught us: “The Chinese people, with their aspirations and their ability, must catch up with and surpass advanced world standards in the near future.” The production of miniature bearings in our country was previously disturbed and destroyed by the anti-revolutionary revisionist line of Liu Shao-chih, Over the years, they have used the manual equipment of the 1940s in the Soviet Union, which has the problems of low production efficiency, labor intensity and poor quality of product processing. It can not meet the needs of China’s socialist revolution and socialist construction. In order to change this backwardness, I set up a research team of “three combined” miniature bearing inner diameter grinders, consisting of workers, technicians and cadres. Under the guidance of Chairman Mao’s proletarian revolutionary line, I took the line struggle as the key link and adhered to the principle of “ , Self-reliance ”approach, carried out for our situation fully automatic miniature bearing inner diameter grinding machine research and development work. Under the concerted efforts of brother units such as Harbin Bearing Factory and so on, after more than a year of hard work and trial and error, the trial production was finally completed (Figure 1). This automatic miniature bearing inner diameter grinding machine (WZM701 type) has the advantages of small size, light weight, simple structure, low cost, high precision and high efficiency.