| Citation: | WANG Yanzhong, TANG Wen, YIN Yongyao, et al. Hobbing method of face gear based on spherical hob[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(3): 441-448. doi: 10.13700/j.bh.1001-5965.2016.0826(in Chinese)
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Face gear transmission has outstanding advantages, and has broad application prospects in the field of aviation. In order to improve the machining efficiency of face gear, the spherical gear hob and hobbing of face gear based on spherical gear hob were studied. The forming process of gear shaping was derived according to the forming principle. The process of the evolution from the cylindrical gear to the basic worm of spherical gear hob was studied, the forming method of spherical hob was analyzed, and the surface equation and spiral angle of the basic worm of spherical gear hob were deduced. A coordinate system was built for face gear machining process based on spherical hob, and the formula of face gear obtained by hobbing was deduced. The machining simulation of two cases was carried out using VERICUT. The hobbing was performed and the detection results show that the spherical gear cutter can be used in the machining of face gear.
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