Parameter Detection of Helical Gears Based on Machine Vision
Gears, as an important component, have always played a huge role in human production and life. Effective detection of various […]
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helical gear
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Cross influence of load value and load ratio of dual input single output helical gears
The figure shows the maximum value Max (u) of dimensionless vibration displacement u and the minimum value Min (v) of […]
Scientific
Optimization and analysis of tooth profile modification scheme for preliminary modification of helical gear pair
(1) Linear addendum optimization of long tooth profile Figures 1, 2 and 3 show the linear tooth top modification of […]
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Analysis of Heavy Load Working Conditions of Double Input Single Output Helical Gears
Figure 1 shows the dimensionless vibration displacement u and v of p, g tooth pairs, and q, g tooth pairs […]
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Preliminary modification of helical gear pair based on transmission error and Hertz contact stress optimization
(1) Selection of long and short shaping methods Long modification refers to the repair and removal of the part from […]
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Dual input single output helical gear time-varying backlash
Generally speaking, the coincidence degree of a helical gear system is greater than 2, and the continuous gradual involution of […]
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Dual input single output helical gear time-varying meshing stiffness
Due to the existence of helical angles, the meshing stiffness of helical gears not only varies with the variation of […]
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Influence of pinion tooth width on meshing performance of helical gear pair
(1) Influence of pinion tooth width on transmission error of helical gear Figure 1 shows the relation curve between the […]
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Dynamic Modeling of Dual Input Single Output Helical Gear System
The physical model and simplified torsional vibration model of a rigid supported dual input single output helical gear system without […]
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Dual input single output helical gear transmission system
The dual input single output helical gear transmission system is an important component of ship power propulsion equipment. Based on […]
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Analysis of Light Load Working Conditions of Double Input Single Output Helical Gears
Figure 1 shows the dimensionless vibration displacement u and v of p, g tooth pairs, and q, g tooth pairs […]
Scientific
Double input single output helical gear meshing stiffness phase difference
Due to the layout structure of dual input single output helical gears, as shown in Figure 1, the meshing process […]
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Influence of tooth width of gear wheel on meshing performance of helical gear pair
(1) Influence of Gear Tooth Width on Transmission Error of Helical Gear Figure 1 shows the relationship curve between the […]
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Degradation characteristics of helical gear meshing stiffness
Due to the varying degrees of degradation of the meshing stiffness of helical gears at different meshing stages, it is […]
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Vibration characteristics of dual input single output helical gear system with asymmetric dynamic parameters
The dual input single output helical gear transmission system under asymmetric loads has become an important structure in the power […]
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Influence of helix angle on meshing performance of helical gear pair
(1) Influence of Helical Angle on Transmission Error of Helical Gear Figure 1 shows the relationship curve between the helix […]
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Modeling of Cracking Fault Helical Gears
1. Crack propagation path Although there is uncertainty in the location and propagation path of cracks in helical gears, research […]
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Vibration characteristics of high-speed helical gear transmission system of electric vehicle
Although the vibration characteristics of high-speed helical gear transmission of an electric vehicle reducer have been studied, some conclusions with […]
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Calculation of Helical Gear Transmission Error
Transmission error refers to the deviation between the actual output angle and the ideal angle of a helical gear along […]
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Calculation of meshing misalignment of helical gears
The misalignment of helical gear meshing is a key factor affecting the stability and lifespan of the helical gear pair […]
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The Influence of Support Stiffness and Tooth Surface Coating on the Meshing Characteristics of Helical Gear Pairs
Helical gears are the core components of automotive transmission systems. The transmission performance and meshing characteristics of helical gear systems […]
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Study on Vibration Characteristics of High Speed Helical Gear Transmission System of Electric Vehicle
Taking the high-speed helical gear transmission of an electric vehicle reducer as the research object, firstly, the time-varying meshing stiffness […]
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Time-varying meshing stiffness characteristics of helical gears
Figure 1 shows the time-varying meshing stiffness of helical gear pairs with through cracks of different depths. By calculating the […]
Scientific
Average meshing efficiency of helical gears
The average efficiency formula of helical gear meshing transmission is derived by using the integral method, and the average efficiency […]
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Calculation of contact fatigue life of high-speed helical gears in electric vehicles
Miner’s linear cumulative damage rule believes that under the repeated action of a given stress level, the damage and stress […]
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Fatigue performance curve of high-speed helical gear of electric vehicle
The S-N curve of the target helical gear is obtained from the S-N curve of the helical gear material, which […]
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Cycle counting of contact stress spectrum for high-speed helical gears of electric vehicles
The essence of the cycle counting method is to study the number of the occurrence of the basic damage element […]
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Contact stress spectrum of high-speed helical gears in electric vehicles
According to practical experience, contact fatigue often occurs in transmission gears. The table shows the basic parameters of the high-speed […]
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Influence of Different Factors on the Wear Distribution of Helical Gear Tooth Surface
In order to further study the impact of different factors on the tooth surface wear of involute helical gear transmission […]
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Dynamic Analysis of Loaded Contact for Tooth Surface Modification of Helical Gear Pair
Helical gears are widely used in high-speed and heavy-duty applications due to their advantages such as smooth transmission, large coincidence, […]
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Distribution law of tooth surface wear of involute helical gears
Helical gear transmission passes through 1 × The cumulative wear depth distribution of the driving and driven gear tooth surfaces […]
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Meshing characteristics of involute helical gears
The distribution of relevant meshing characteristics of the involute helical gear transmission system is shown in the figure. From Figure […]
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Calculation of adhesion wear on helical gear tooth surface
During the meshing transmission of helical gear pairs, sliding wear occurs due to the relative sliding of the tooth surfaces. […]
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Influence of Geometric Parameters of Friction on Helical Gear Meshing Surface
Tooth width and helix angle are the main parameters that affect the time-varying contact line of helical gears. Figure 1 […]
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Influence of Friction Parameters on Helical Gear Meshing Surface
Tooth surface roughness and lubricating oil viscosity are the main factors that affect the friction coefficient of tooth surface. Through […]
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Simulation Analysis of Friction Factor of Helical Gear Meshing Tooth Surface
With the same parameters, the average meshing efficiency obtained is compared with the results as shown in Figure 1. It […]
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Calculation of Helical Gear Meshing Efficiency
The instantaneous meshing efficiency of helical gears is defined as: Where, Tp and Tg are the torque of main and […]
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Calculation of Friction Factor of Helical Gear Meshing Tooth Surface
In the process of helical gear meshing, the friction coefficient of tooth surface will change significantly with the change of […]
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Calculation of Time varying Contact Line Length of Helical Gear Meshing Surface
As shown in Figure 1, the length of the contact lines on the left and right sides of the pitch […]
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Calculation of Time varying Friction Excitation on Helical Gear Meshing Surface
It can be seen from Figure 1 that the relative sliding directions on both sides of the pitch line on […]
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Sliding friction analysis of helical gear meshing tooth surface
According to the meshing principle of helical gears, when a pair of helical gears enter into meshing and exit from […]
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Kinematic Simulation of Involute Double Arc Helical Gear
Create a new assembly model in UG software, select “Add Part”, import the driving wheel and driven wheel, add the […]
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Time-varying friction excitation and meshing efficiency of helical gears
Tooth friction is the main factor affecting the vibration noise and power loss of helical gear transmission system. It will […]
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Influence of meshing impact time on vibration characteristics of high speed helical gear transmission
In order to qualitatively study the influence of meshing impact time on the vibration characteristics of helical gear transmission, the […]
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Vibration response of high speed helical gear drive under meshing impact excitation
In order to study the vibration characteristics of the system under separate excitation of meshing impact, the meshing impact curve […]
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Vibration Response of High Speed Helical Gear Transmission Excited by Time varying Meshing Stiffness
Input the obtained time-varying meshing stiffness curve into the dynamic equations, obtain the vibration response of single-stage helical gear transmission […]
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Vibration Characteristics of High Speed Helical Gear Transmission Excited by Time Varying Meshing Stiffness
The calculated vibration accelerations in all directions of the helical gear are combined into “relative vibration accelerations a in the […]
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Profile modification and vibration reduction of helical gear of electric vehicle reduction box
Based on the multi-body dynamics, statics and acoustics of the reduction box and gear system of the electric vehicle, the […]
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Profile modification, vibration reduction and noise reduction of helical gear of electric vehicle reduction box
(1) At present, domestic and foreign research on the helical gear modification technology is almost concentrated on the simultaneous tooth […]
Scientific
Influence of optimal modification of addendum involute of long tooth profile on time-varying meshing stiffness and time-varying meshing force of helical gears
The optimal modification scheme of the addendum involute of the long tooth profile is the modification amount of the driving […]
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Preliminary optimization, modification and meshing contact analysis of helical gear pair in electric vehicle reduction box
Taking the helical gear pair of a reduction box of an electric vehicle as the research object, the influence of […]
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Influence of optimal modification of addendum arc of long tooth profile on time-varying meshing stiffness and time-varying meshing force of helical gears
The optimal modification scheme of the addendum arc of the long tooth profile is 5% of the modification amount of […]
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Influence of optimized profile modification on power loss of helical gear pair
Wu Luji believes that the power loss directly determines the transmission performance of the helical gear, so it is necessary […]
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Influence of optimized modification on sliding coefficient of helical gear pair
The sliding coefficient is an important parameter to measure the relative sliding degree between the tooth surfaces of the meshing […]
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Influence of optimized profile modification on transmission efficiency of helical gear pair
It can be seen from the figure that the efficiency of helical gear transmission after the optimization and modification of […]
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Compound modification scheme of helical gear
In order to further reduce the transmission error of the helical gear pair, it is necessary to consider the composite […]
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Optimization Analysis of Helical Gear Drum Modification Scheme
Figures 1, 2 and 3 respectively show the simultaneous tooth drum modification of wheel and pinion gears, the drum modification […]
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Influence of pinion tooth width on meshing performance of helical gear pair
(1) Influence of pinion tooth width on transmission error of helical gear Figure 1 shows the relationship curve between pinion […]
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Influence of gear width on meshing performance of helical gear pair
(1) Influence of gear width on transmission error of helical gear Figure 1 shows the curve of the relationship between […]
Scientific
Influence of helix angle on meshing performance of helical gear pair
(1) Influence of helix angle on transmission error of helical gears Figure 1 shows the relationship curve between the helix […]