史无前例的无产阶级文化大革命的伟大胜利,带来了工农业生产的巨大跃进,各行各业对作为工作母机的机床的需求量越来越大,随着技术的发展,对零件的要求越来越高,因此需要磨削的零件也越来越多。磨床的数量不仅不断增加,而且效率也要大大提高,这样才能满足现代工业的要求。毛主席教导说:“判定认识或理论之是否真理,不是依主观上觉得如何而 The great victory of the unprecedented proletarian cultural revolution brought about a tremendous leap forward in industrial and agricultural production. The demand of all walks of life for the machine tool as a machine tool was increasing. As the technology developed, the demand for parts became more and more Therefore, there are more and more parts to be ground. The number of grinders not only continues to increase, but also greatly increases the efficiency, in order to meet the requirements of modern industry. Chairman Mao taught: "It is not subjective to judge whether truth or theory is truth or not