在本刊第4卷第4、5、6期連續刊登了蒋潮同志的「經濟高速切削的基本原理」一文,詳述了在机械切削加工过程中关于切削用量的合理选择?由於在目前大量生產的情况下,对于切削用量的合理選擇是一個提高生產率、降低产品成本的重要因素;所以对我們負責机械加工的同志說来,更迫切需要如何来掌握合理選择最经济的、生產率最高的 Volume 4, No. 4, No. 4 and No. 6, published a series of articles titled “The Fundamental Principles of Economic High-speed Cutting” published by Comrade Jiang Chao, detailing the rational choice of cutting dosage in mechanical cutting process. In the case of production, a reasonable choice of cutting stock is an important factor in increasing productivity and reducing the cost of the product; so it is even more urgent for our comrades in charge of machining to be more eager to choose the most economical and productive