目前,对于键槽对称度的测量,在国内还没有适合现场检查的通用量具,《机械工人》1979年第12期刊登的《键槽测量工具》是一篇译文,很值得介绍推广,如图1所示。我对它的设计原理进行了分析,如图2所示,设键槽宽为B,键槽的实际中心线o＇y＇对理论中心线oy的对称度允差为δ,偏心距为e,直径为d。 At present, for the measurement of keyway symmetry, there is no universal measuring tool suitable for on-the-spot inspection in China. The “keyway measuring tool” published in the 12th period of “mechanic worker” in 1979 is a translation which is worth introducing and promoting. Show. I have analyzed its design principle, as shown in Figure 2, set the keyway width B, the actual centerline of the keyway o’y ’to the theoretical centerline oy symmetry tolerance δ, eccentricity e, diameter For d.