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Three-dimensional Simulation and Accurately Grinding for TI Worm

Author: BiQingZhen
Tutor: SunYueHai
School: Tianjin University
Course: Mechanical Design and Theory
Keywords: TI worm Wormgearing Involute helical gear Grinding Wheel dimensional modeling
CLC: TG580.6
Type: Master's thesis
Year: 2003
Downloads: 126
Quote: 10
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Abstract


One envelope TI (Toroidal Involute) worm drive involute helical gear and its conjugate the tooth surface composed of a worm drive . Theory and experiment of the domestic and foreign scholars , TI worm drive has a strong bearing capacity , high transmission efficiency advantages , is a promising form of worm drive . Due to the complexity of the shape of the tooth surface of TI worm TI worm precision grinding key promotion TI worm drive . Theoretical analysis and three-dimensional modeling of TI worm drive and derive the mathematical model of the the precise grinding TI worm wheel provides a theoretical basis for the to solve one envelope TI worm precise grinding . The specific content of the work are as follows : derivation of the the next ideal situation enveloping TI worm meshing function meshing equation involute helical gear tooth surface contact line equations , the mating surfaces equations and TI worm tooth surface equation , and may out of the the next ideal situation enveloping TI meshing limit line equation in the worm drive , undercutting limit line equation and induced normal curvature equation . Come once enveloping TI range of the original parameters of the worm drive theory and the boundary conditions of the contact area ; numerical analysis on an envelope TI worm drive and draw involute helical gear tooth surface curve , momentary contact line , meshing surface curve , TI worm tooth surface curves as well as engagement limit line ; undercut undercut boundary line equations and the characteristics of the induced normal curvature ; then were treated with the completion of the two methods of direct modeling and indirect modeling TI worm 3D solid modeling . The establishment of the space coordinates of the grinding wheel grinding TI worm , the parameters are processed by the coordinate transformation and to derive the cross - sectional profile of the shaped curve of the wheel axis , and obtained through the analysis of the motion parameters , accurate grinding TI worm .

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metal cutting and machine tools > Grinding and grinding machine > General issues > Grinding process
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