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RISA New Method of Designing the Tooth Surfaces of Spiral Bevel Gears With Ruled Surface for Their Accurate Five-Axis Flank Milling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The advantages of the five-axis flank milling of (developable) ruled surfaces include that (1) the machined surfaces could be very accurate and smooth and (2) the machining efficiency is high. Currently, spiral bevel gears ...
Investigation of the Vibration Features and Dynamic Load Sharing Characteristics of Concentric Face Gear Torque Split Transmission
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A concentric face gear torque split system used in the helicopter main transmission to transfer more power and reduce the structure weight is introduced. A mathematical model is proposed to analyze the vibration characteristics ...
An Advanced Comprehensive Approach to Accurately Modeling the Face-Milled Generated Spiral Bevel Gears
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The modeling of a spiral bevel gear (SBG) is a fundamental work to its design, analysis, and manufacturing. The essential work of modeling SBGs is the generation of tooth surface points that meet the strict accuracy ...
A Reconstruction and Contact Analysis Method of Three-Dimensional Rough Surface Based on Ellipsoidal Asperity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The 3D rough surface modeling and contact analysis is a difficult problem in the study of rough surface contact. In this paper, a new method for reconstruction and contact analysis of asperities on 3D rough surfaces is ...
Modal Analysis of Double Helical Planetary Gears With Numerical and Analytical Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The vibration modal properties of doublehelical planetary gear (DHPG) system with threedimensional motion are investigated with a combined use of numerical and analytical approach in this paper. The lumpedparameter model ...
Effect of Mesh Stiffness on the Dynamic Response of Face Gear Transmission System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of mesh stiffness on the dynamic response of face gear transmission system combining with backlash nonlinearity is studied. First, a nonlinear timevarying (NLTV) and a nonlinear timeinvariant (NLTI) dynamic ...
Effect of Thermal Properties of a Coated Elastohydrodynamic Lubrication Line Contact Under Various Slide-to-Roll Ratios
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical thermal elastohydrodynamic lubrication (EHL) model is developed for coated line contacts by considering both the mechanical properties and the thermal properties of the coating and the substrate. The temperature ...
Multistep Method for Grinding Face-Gear by Worm
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With the original worm grinding method to manufacture face-gear, the mathematical models of shaper, worm, and face-gear are established at the beginning. Subsequently, a problem of the original grinding method is illustrated ...
Numerical Simulation of Ultrasonic-Assisted Grinding Surfaces With Fast Fourier Transform
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical simulation of three-dimensional rough surfaces based on fast Fourier transform (FFT) is revisited. A more systematic approach, which is an extension of the current FFT-based simulation models, is proposed to ...