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重庆轴承厂、重庆大学光电检验科研组的革命工人、革命教师,在“九大”精神强劲东风的鼓舞下,遵照毛主席“备战、备荒、为人民”和“要准备打仗”的伟大指示,发扬“独立自主,自力更生”的革命精神,狠批了叛徒、内奸、工贼刘少奇的反革命修正主义教育路线和科技路线,经过日夜奋战,在建国二十周年大庆前夕,试制成功JA-04型钢球外观光电自动检验机,经投产试用,效果良好,检验效率达到每小时1260颗,并能稳定地检验出压欠、裂纹、黑点、麻点、划伤、平头、暗影等各种钢球表面缺陷。长期以来,轴承钢球的检验方法完全是手操工作,
Chongqing Bearing Factory, Chongqing University, photoelectric test research group of revolutionary workers, revolutionary teachers, in the “nine ” strong east inspired by the spirit of the spirit, in accordance with Chairman Mao “preparing for war, preparing for the people ” and “to prepare for war Revolutionary spirit of ”independence and self-reliance" and severely criticized the revolutionary and anti-revolutionary revisionist education line and science and technology line of traitors, traitors and thieves Liu Shaoqi. After a day and night of fighting, on the eve of the celebration of the twentieth anniversary of the founding of the People’s Republic of China, Trial production successfully JA-04 ball appearance photoelectric automatic testing machine, put into trial production, the effect is good, the inspection efficiency of 1260 per hour, and can stably check the pressure owed, cracks, black spots, pitting, scratches, flat head, Shadow ball and other surface defects. For a long time, the test method of bearing steel ball is completely manual work,