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一、是否需要编订自由尺寸公差规格最近准备编订自由尺寸公差规格,因此特别仔细地阅读了本刊1957年第9期所载来元达“关于自由尺寸的公差问题”一文。文章说明了自由尺寸公差标准的重要性,也介绍了几种苏联现有而常用的自由尺寸公差制度,还特别推荐了 A.A.彼得洛夫在1953年提出的建议,这些对于编订自由尺寸公差规格都是有直接帮助的。但是,文章另外介绍了苏联的经验,认为应及早制订自由尺寸公差的国家标准,而不应编订局或工厂的规格。着手编订自由尺寸公差规格之前,当然应先解决要不要编订的问题,为此阅读了该文的主要参考文献——A.A.
First, whether the need to develop free-form tolerance specifications Recently prepared to compile the free-form size specifications, so read carefully in this issue in 1957, No. 9 to Yuan Da “on the free-size tolerance problem,” a text. The article explains the importance of free dimensional tolerance standards. It also introduces several existing and commonly used free-form tolerance systems in the Soviet Union. In particular, it recommends the recommendations made by AA Petrov in 1953, There is direct help. However, the article also introduces the Soviet experience, which states that national standards for free dimensional tolerances should be established as early as possible, rather than the specifications of the bureaus or factories. Before embarking on the development of a free-form tolerance specification, it is of course necessary to solve the problem that should not be edited first, for which purpose the main reference of the article is read - A.A.