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前言陕西机床厂在厂党委的领导下,在批林批孔的高潮中,发扬自力更生,艰苦奋斗的革命精神,充分发动群众,破除迷信,解放思想,于73年试制成功了MM1432精密万能外圆磨床新品种,填补了我国外圆磨床产品系列的一个空白,这是无产阶级文化大革命的胜利成果,是毛主席无产阶级革命路线的伟大胜利。φ320外圆系列老产品中,加工工件最长只有1400毫米,随着生产的发展,对于中等直径的细长零件的加工,要求愈来愈迫切,尤其是这类零件的加工精度及光洁度要求较高,如
Preface Shaanxi Machine Tool Plant under the leadership of the plant party committees in the climax of criticizing Lin hole, promote self-reliance and hard work of the revolutionary spirit, and fully mobilize the masses to get rid of superstition, emancipate the mind, in 73 trial successful MM1432 precision universal cylindrical The new varieties of grinding machines have filled a gap in the product line of cylindrical grinding machines in our country. This is the victorious achievement of the great proletarian cultural revolution and the great victory of Chairman Mao’s proletarian revolutionary line. φ320 cylindrical series of old products, the longest processing workpiece only 1400 mm, with the development of production, for the processing of medium diameter slender parts, more and more urgent, especially the processing accuracy and finish requirements of such parts more High, such as