关于镗桿的氮化处理,作者曾于去年在北京出版的‘机床与工具’1954年7、8两期中发表过一篇文字。但在当时係初次试验,雖告成功,而经验不够成熟,对于氮化本身的效果、试验中的结论等亦不够明确。本文卽根据氮化试验成功以後在多次繼續操作中所發現的問题,以及所得出的結論而寫成,交由本刊發表,以便推广介绍。 Regarding the nitriding of boring bars, the author published an article in July / August 1954, ’Machine Tools and Tools’, published in Beijing last year. However, at that time, although the initial test was successful and the experience was not mature enough, the result of the nitriding itself was not sufficiently clear. This article 卽 based on the success of the nitriding test in a number of continued operation of the problems found, as well as the conclusions drawn, to be published by the publication, in order to promote the introduction.