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采用相对测量、对比试验，可测轴承内径～100～150mm、摩擦力短0～2500N·m的关节轴承的摩擦力短。试验机用载荷块式的机械加载、芬兰TAMTROM公司的M0DE1810电子秤、日本KOYO公司TRD－J600-S旋转编码器与国产CSY－1B转速表等来提高其性能，驱动装直选用URX2．2－B22／29无级变速卷扬机。同时配备了AST486计算机和激光打印机，可对有关参数进行预置、贮存、采集、显示、记录、打印及绘制曲线。文中叙述了该试验机的原理、结构，并对可能产生的误差作了分析。附图2幅，参考文献3篇。
Relative measurement, comparison test, the bearing diameter can be measured ~ 100 ~ 150mm, short friction friction torque of 0 ~ 2500N · m of the joint bearing short. Test machine load block-type mechanical loading, Finnish TAMTROM M0DE1810 electronic scales, the Japanese company KOYO TRD-J600-S rotary encoder and domestic CSY-1B tachometer, etc. to improve its performance, the drive installed directly selected URX2.2- B22 / 29 CVT winch. At the same time equipped with AST486 computer and laser printer, the parameters can be preset, storage, acquisition, display, record, print and draw curves. The paper describes the principle of the test machine, structure, and the possible error was analyzed. Figure 2, reference 3.