动态疲劳试验机传动方式的合理性探讨

Discussion in Rationality of Transmission Mode in Dynamic Fatigue Testing Maching

现代工业对机器零部件的工作可靠性提出了越来越高的要求,因此,实际生产中对用于疲劳与可靠性批量化试验用装置的需求量越来越大,但目前高档次的动态疲劳试验机主要依赖进口,研发出具有自主知识产权的动态疲劳试验机迫在眉睫。介绍了动态疲劳试验机的类型、基本工作原理、结构组成、应具备的功能,主要对电液伺服式、电磁谐振式两种典型的疲劳试验机的主要结构、适用范围进行了论述,综合比较了电液伺服式与电磁谐振式的优缺点,明确指出交流伺服电机直驱式动态疲劳试验机是今后的发展方向。

Since modern industry has proposed higher and higher requirement for functional reliability of the machine parts, the equipment used in fatigue and reliability testing with mass production is increasingly demanded. The present dynamic fatigue testing machine of middle and high grade is mainly depended on import, so it is imminent to develop the dynamic fatigue testing machine with independent intellectual property rights. The type, basic working principle, structure composition and achieved function in need of dynamic fatigue testing machine were introduced, and the stucture and applicable scope about the electro-hydranlic servo type and the electromagnetic resonance type, which were two kinds of typical fatigue testing machine were discussed mainly. The comprehensive comparison between the electro-hydraulic servo type and the electromagnetic resonance type of the advantages and disadvantages was presented, and explicitly points out that this kind of dynamic fatigue testing machine drived by AC servo motor directly will become the main direction of development in the future.