本文论述了基于微机的齿轮传动系统复合测试站，包括测量原理、两级并行处理系统结构和软件结构等。
This paper describes the multiteststation based on PC for gear-drive system, including method of measurement, software and parallel processing architecture with two stages.
介绍一种用于双顶置凸轮轴式发动机的采用两级谐波传动的新型进气凸轮轴调相机构。
A new camshaft-phasing mechanism with twin harmonic drives is described and illustrated, which can be adopted to DOHC (double overhead camshaft) engines.
测试结果表明：该两级同轴式双环减速机传动效率达到96%振动方面也有所改善。
The test result indicated that the two-stage coaxial double-ring reducer reached an efficiency of 96% and is improved on the vibration.
由一对两级三角皮带轮传动工件主轴，使其获得四级转速；
The work spindle get four-grade rotate speed, which is driven by a couple of two-grade v-belt pulley.
该减速箱采用两级行星齿轮传动，具有结构紧凑、体积小、重量轻、传递扭矩大等特点。
This reduction gearbox is driven with the two-stage planet gears, and features compact structure, small volume, low weight and great transmission torque etc.
所述变速机构是由至少两对直齿轮传动配合构成的两级或两级以上的变速机构。
The speed shifting mechanism is a two-stage or more than two-stage speed shifting mechanism formed by that at least two pairs of straight gears are made a transmission fit.
建立了两级星型齿轮传动系统的动力学均载分析模型，考虑了各构件的制造误差与安装误差。
A dynamic analysis model was established for a 2-stage planet gear train in which manufacturing and assembly errors were considered.
建立了两级星型齿轮传动系统的非线性动力学分析模型，模型中考虑了系统的综合啮合误差、时变啮合刚度以及齿侧间隙。
A dynamic analysis model in which the gear error and the time-varying stiffness and backlash are included is established for a 2-stage star gear train.
建立了两级星型齿轮传动系统的非线性动力学分析模型，模型中考虑了系统的综合啮合误差、时变啮合刚度以及齿侧间隙。
A dynamic analysis model in which the gear error and the time-varying stiffness and backlash are included is established for a 2-stage star gear train.
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