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前言五十年代以来陆续发展起来的传动链动态精度测量方法和装置,对于提高齿轮传动链特别是齿轮机床传动链的精度起了显著作用。这些装置归纳起来大致可分为三类: 1.绝对式测量装置:包括磁分度测量仪和光栅式测量仪; 2.差频式磁分度测量装置; 3.地震仪式旋转惯性角位移测量装置。这些装置具有高精度,高效率,並能在实际工作状态下测量传动链精度等优点。但是它们也存在一些缺点:如都需要高
Foreword The dynamic precision measurement method and device for drive chains developed since the 1950s have played a significant role in improving the precision of the gear train, especially the gear chain. These devices can be roughly classified into three categories: 1. Absolute measuring devices: including magnetic index measuring instrument and grating type measuring instrument; 2. Differential frequency magnetic index measuring device; 3. Earthquake ritual rotation inertial angular displacement measurement Device. These devices have the advantages of high accuracy, high efficiency, and the ability to measure the accuracy of the transmission chain under actual operating conditions. But they also have some shortcomings: if they need to be high