| 1. | Precision gear shaping machines - testing of the accuracy
精密插齿机精度 |
| 2. | 1 set of ym5116 high - precision gear shaving machine
Ym5116精密插机1台 |
| 3. | Introduction to cold extrusion forming for precision gear
冷挤压技术在精密齿轮成形中的应用 |
| 4. | Design and application of precision gear hob with middle concaved involute profile
渐开线齿轮齿廓曲线的参数化设计与计算 |
| 5. | The status and development of precision gear machining and gear measurement techniques
精密齿轮加工与测量技术的现状与进展 |
| 6. | The structural factors of the precision gearing system in servo system , such as total transmission ratio , transmission error , return difference , natural frequency have the very important influence on servo systematical property
伺服系统中的精密齿轮传动装置的结构因素，包括总传动比、传动误差、传动回差以及固有频率等对其性能都有非常重要的影响。 |
| 7. | ( 2 ) calculation formula of the transmission error and return difference have been derived and measures to reduce them have been proposed . ( 3 ) software about design and analysis of precision gear installation has been developed
( 2 )推导了齿轮传动误差和传动回差计算公式，以此为依据归纳出减小传动误差和传动回差应采取的结构措施，以提高整个装置的传动精度。 |
| 8. | Transmission error and the return difference are the most important precision index in the precision gearing system and their influence on servo system is also the most important , so their accurate calculation is a necessary work
传动误差和传动回差是精密齿轮传动装置中最重要的精度指标，对伺服系统的影响也是诸因素中最大的，所以对其进行较准确的计算是一项必不可少的任务。 |
| 9. | The design of precision gearing system should satisfy not only the design of requirement general precision machinery but also the precision and property requirement of the servo system . therefore we must analyze the influence of these structural factors
精密齿轮传动装置不仅要满足一般精密机械的设计要求，而且要满足伺服系统的精度和性能要求，因此必须对这些结构因素的影响进行分析。 |
| 10. | Major study content in the paper is described in the following . ( 1 ) the influence of precision gearing system structural factor on servo systematical performance have been analyzed , and measures that can raise servo systematical performance have been summarized
论文主要的研究内容包括： ( 1 )分析讨论了精密齿轮传动装置结构因素对伺服系统品质因素的影响，并总结出提高伺服系统性能的措施。 |
