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Yanan Wang, Keyuan Li, Baijie Qiao, Zhixian Shen and Xuefeng Chen
The internal gear is part of the planetary and epicyclic gear pairs in the transmission system of the helicopter. Gear tooth wear is one of the most usual gear failures. This paper establishes an analytical model to evaluate the influence of tooth wear o...
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Ezazul Haque Sabuz, Mohammed Noor-A-Alam, Waseem Haider and Ishraq Shabib
In this study, mechanical and electrochemical performance of borided additively manufactured (AM) and wrought 8620 low alloy steel were investigated and compared to their bare counterparts. The microstructure of borided 8620 exhibited the presence of FeB...
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Guangbin Yu, Hancheng Mao, Lidong Jiang, Wei Liu and Tupolev Valerii
Understanding the contact mechanics of rough tooth surfaces is critical in order to understand phenomena such as tooth surface flash temperature, tooth surface wear, and gear vibration. In this paper, the contact behavior between the meshing tooth surfac...
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Bin Jiang, Weiheng Li, Peiyi Zhao, Lili Fan and Meng Sun
In the milling process, the friction and wear of the tooth minor flank of the square shoulder milling cutter directly affects the machined surface quality and the cutter?s life. The friction of the minor flank of the cutter tooth presents a nonlinear dis...
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Jialiang Wang, Dilei Qian, Yang Sun and Fenfei Peng
The performance of the diamond bit directly affects the drilling efficiency of the seafloor drill. The drill bits used in land drilling are prone to abnormal wear, low coring efficiency, and large sample disturbance in marine exploration. At first, in th...
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Irina Issayeva,Vitaly Povetkin,Azamat Alpeisov,Amina Bukayeva,Dinara Arinova
Pág. 6 - 15
A large volume of rocks containing valuable minerals is treated at mining and processing plants in Kazakhstan. Ball mills and rod mills are used for their grinding and further processing in Balkhash, Zhezkazgan.Ball mills with gear drive rings in the dru...
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Hui Jiang, Hongya Fu, Zhenyu Han and Hongyu Jin
The effective way to improve the position accuracy of rotary table of ultra-heavy vertical milling lathe is to reduce or even eliminate the clearance of mechanical transmission structure. In this paper, a useful method for eliminating the gear clearance ...
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Huaiju Liu, Heli Liu, Caichao Zhu and Ye Zhou
With the mounting application of carburized or case-hardening gears and higher requirements of heavy-load, high-speed in mechanical systems such as wind turbines, helicopters, ships, etc., contact fatigue issues of gears are becoming more preponderant. R...
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Ronny M. Gouveia, F. J. G. Silva, Pedro Reis and A. P. M. Baptista
The difficulties in the machining of duplex stainless steel are well known. However, research on this matter is rather limited. Suppliers offer quite different cutting tools for the same raw material, with end mills of two, three or even four knives and ...
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