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Novel Concentric Tube Robot Based on Double-Threaded Helical Gear Tube
Nasopharyngeal carcinoma is a malignant tumor originating from the nasal mucosa. It is a malignant tumor of the head and neck. Concentric tube robot...
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Calculation method and parameter optimization for friction power loss of the modified double-helical gear transmission
In this paper, a new calculation method for friction power loss of the modified double-helical gear transmission is presented. Considering the...
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Cost Optimization Study for Two-Stage Helical Gearbox with Second Stage Double Gear Sets
This paper presents the results of a cost optimization problem to determine the optimum partial gear ratios of a two-stage helical gearbox with the...
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General Meshing Modeling and Dynamic Characteristics Analysis of Helical Gear Pair with Tooth Surface Deviation
Pitch error and tooth surface error are inevitable in the machining of helical gears, which will directly impact the time-varying meshing stiffness...
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Determining Partial Gear Ratios of a Two-Stage Helical Gearbox with First Stage Double Gear Sets for Minimizing Total Gearbox Cost
The partial gear ratio is an essential factor in gearbox design because it is directly related to the gearbox’s volume, size, and cost. A method for...
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An approximate grinding and deviation correction method for helical face gear
This paper introduces an approximate grinding method (AGM) and tooth flank deviation correction strategies for helical face gears (HFGs) generated by...
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Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth
The application of double staggered helical gears with shortened teeth is proposed to increase the efficiency of gear reducers applied in electric...
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Improved analytical model for mesh stiffness calculation of cracked helical gear considering interactions between neighboring teeth
As one of the most typical fault forms of the helical gear, the crack will change the dynamic excitation and further affect the dynamic behaviors of...
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Nonlinear dynamic analysis of helical gear-rotor-bearing coupled system based on bearing load calculation with TRB clearance
Based on Hertz contact deformation theory, the load distribution of roller and bearing load can be obtained with the consideration of rotating speed...
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Time Varying Mesh Stiffness Calculation for Helical Gear with Spalling Fault Considering Installation Eccentricity
Spalling fault is one kind of common faults in helical gear systems. Time varying mesh stiffness (TVMS) is preferred to be calculated to investigate...
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Experimental study on vibration characteristics of double-helical gearbox with isolators
A power closed double-helical gear test rig with isolators was created to investigate the dynamic response characteristics of the double-helical...
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Determining Helical Gear Transmission Geometrical Parameters of Top Drive Gearbox
The task of the work is to determine the helical gear transmission geometric parameters of the American-made top drive based on two gears sets...
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Modeling and analyzing of torsional dynamics for helical gear pair considered double and three teeth drive-side meshing
Helical gears are generally considered to be more stable than spur gears. But rattling of the helical gear transmission is found in the engineering...
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Spur and Helical Gear Drives
Gears are toothed wheels that are widely used for power and motion transmission between rotating shafts. Based on the relative position of the...
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Optimal design of high efficiency double helical gear based on dynamics model
A 16-degree-of-freedom dynamic model for the load contact analysis of a double helical gear considering sliding friction is established. The dynamic...
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Research on nonlinear characteristics of herringbone planetary gear transmission system considering double-sided meshing impact
Aiming at the problem of the increase of vibration and noise caused by the double-sided meshing impact of herringbone gears. A dynamic model of...
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Design and Analysis of Helical Gear
In this project, we will talk about the design, simulation, and analysis of helical gear. The material used is Structural Steel (S45C). S45C is...
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Gear Pair Analysis: Double Circular Arc with Involute Profile
In this study, the aim is to generate a modified double circular arc tooth profile for a gear pair. The modified double circular arc gear tooth...
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An Approach for Analysing the Coupling Effects Between Dynamics and Tooth Surface Wear in a Helical Gear Transmission System
An approach for analysing the coupling effects between dynamics and tooth surface wear in a helical gear transmission is proposed by integrating gear...
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Helical Bevel Novikov Gears
This chapter presents a mathematical model of a convexo-concave helical bevel Novikov gear mesh. A topological modification of this kind of gearing...