Fatigue Testing Machine for Developing Fatigue Tests Under Different Modes, Including: Rotating Bending, Torsion, and Its Combinations
Fatigue Testing Machine for Developing Fatigue Tests Under Different Modes, Including: Rotating Bending, Torsion, and Its Combinations
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DOI：
10.1166/jom.2014.1076
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发表时间：
2014-12
期刊：
影响因子：
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通讯作者：
J. L. Á. Ambriz;Gonzalo M. Domínguez Almaraz;Erasmo Correa Gomez;Renato González Bernal
中科院分区：
文献类型：
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作者：
J. L. Á. Ambriz;Gonzalo M. Domínguez Almaraz;Erasmo Correa Gomez;Renato González Bernal
开发了机械疲劳试验装置，可在单机上进行不同的疲劳试验，包括：弯曲、扭转、旋转弯曲、弯扭组合等。该机器重量不超过10公斤，具有10牛米的扭转测试扭矩能力，并达到500牛的弯曲载荷。伺服驱动器和线性执行器分别进行扭转和弯曲运动，两者均采用12V DC电源，并由CM-900卡进行控制，CM-900卡是基于意法半导体的嵌入式板卡，其硬件和软件都是开源的。编程卡涉及测试类型的控制、频率的选择和施加负载。疲劳机有一个LED显示屏，实时显示疲劳寿命的循环次数。当样品破裂时，循环计数器和机器同时停止。通过对准导轨和两个 12.7 毫米的快速卡盘，可以完美对准测试样品，并且样品的长度可以在 30 毫米至 140 毫米之间调节。该机器正在向 IMPI（墨西哥工业产权研究所）申请专利。显示了概念和构造的一般方面并列出了结论。
A mechanical fatigue test device was developed to perform different fatigue test in a single machine, including: bending, torsion, rotating bending, and combined bending-torsion. The machine does not exceed 10 Kg of weigh, has 10 N-m of torque capability for torsional test and reaches 500 N of bending load. A servo and a linear actuators conduce the movement of torsion and flexion respectively, both of them has a power supply of 12 V DC and are controller by the CM-900 card, that is an embedded board based on STMicroelectronics and it hardware and software are opensource. The programing card involves the control of test type, the selection of frequency and the applying load. The Fatigue machine has a led display that shows the number of cycles of fatigue life in real time. Both, the cycles counter and the machine stop simultaneously when specimen is broken. The subjection of test specimen is perfectly aligned by alignment guides and two quickaction chucks of 12.7 mm, and the longitude of the specimen can be adjusted from 30 mm to 140 mm. This machine is in process of patent demand to IMPI (Mexican Institute of Industrial Propriety). The general aspects of conception and construction are shown and conclusions are enlisted.