Archives

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Formulation of cold forging forming scheme of spur gear

Cold finishing process is the last process in compound forming. It is the key point in the whole process to make the tooth surface size of spur gear forging meet the requirements of part drawing and improve the surface quality of spur gear forging. Cold finishing adopts extrusion forming....

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Streamline model cavity for precision forging of spur gear

Professor Liu Quankun of Hefei University of technology proposed to simulate the continuous extrusion forming of spur gear through the streamlined concave model cavity based on modeling, which can well improve the filling of the corner of spur gear and improve the uniformity of deformation. Meng Guanjun, Qu Xinhuai,...

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Design of warm forging forming scheme for spur gear

Three kinds of warm forging die structures are set according to the structural characteristics of spur gear. As shown in the figure, the floating die structure is adopted for all three schemes. Considering that the diameter of spur gear is large and the height diameter ratio and aperture ratio...

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Floating die technology for precision forging of spur gear

In 1987, British universities first proposed the idea of precision forging hollow parts with floating die. According to the principle of floating die, the molds for manufacturing spur gear and helical gear are designed by Iranian university and British university, and the forming of spur gear and helical gear...

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