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Experimental Research on the Surface Quality of Milling contour bevel gears

Chinese Journal of Mechanical Engineering 2023年第1期36卷 115-128页

作者： Mingyang Wu Jianyu Zhang Chunjie Ma Yali Zhang Yaonan Cheng School of Mechanical and Power Engineering Harbin University of Science and TechnologyHarbin150080China The Key Laboratory of National and Local United Engineering for“High-Efficiency Cutting and Tools” Harbin150080China

contour bevel gears have the advantages of high coincidence,low noise and large bearing capacity,which are widely used in automobile manufacturing,shipbuilding and construction ***,when the surface quality is poor,the effective contact area between the gear mating surfaces decreases,affecting the stability of the fit and thus the transmission accuracy,so it is of great significance to optimize the surface quality of the contour bevel *** paper firstly analyzes the formation process of machined surface roughness of contour bevel gears on the basis of generating machining method,and dry milling experiments of contour bevel gears are conducted to analyze the effects of cutting speed and feed rate on the machined surface roughness and surface topography of the ***,the surface defects on the machined surface of the workpiece are studied by SEM,and the causes of the surface defects are analyzed by *** that,XRD is used to compare the microscopic grains of the machined surface and the substrate material for diffraction peak analysis,and the effect of cutting parameters on the microhardness of the workpiece machined surface is investigated by work hardening *** research results are of great significance for improving the machining accuracy of contour bevel gears,reducing friction losses and improving transmission efficiency.

关键词： contour bevel gear Machined surface quality Surface roughness Surface defect Surface morphology

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