Influence of design parameters on total efficiency of gearbox
1. Setting of working environment parameters of gearbox In order to obtain the influence of different design parameters of the […]
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Tooth Profile Modification Method Based on the Stiffness of Spur Gear Elastohydrodynamic Friction Pair
Replace C with CEHL γ And substitute it into the formula to obtain the maximum modification amount of the tooth
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Simulation of Tooth Profile Modification Effect of Spur Gear Based on Elastohydrodynamic Friction Pair Stiffness
1. Simulation working condition parameters Select a certain mining spur gear pair for simulation calculation, and the parameters of the
Scientific
Tooth Profile Modification Method Based on the Stiffness of Spur Gear Elastohydrodynamic Friction Pair
Replace C with CEHL γ And substitute it into the equation to obtain the maximum modification amount of the tooth
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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Meshing stiffness of spur gear elastohydrodynamic friction pairs
Let K (i EHL) be the stiffness of the elastohydrodynamic friction pair at a certain meshing point i during the
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Stiffness of spur gear elastohydrodynamic friction pairs
In the elastohydrodynamic state, the elastic approaching amount of the contact body is a comprehensive result of the change in
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Wind resistance power loss of gear box in wheel drive system of electric vehicle
The wind resistance loss is the energy loss caused by the rotation of the pinion and the big gear in
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Spur gear meshing stiffness
According to the ISO6336 standard, the meshing stiffness C of spur gears γ Defined as the average value of the
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Calculation of Profile Modification Element Values for Spur Gears Based on ISO Standards
Three elements of spur gear modification: maximum modification amount of tooth profile Δ Max, straight tooth profile modification length L,
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Power loss of oil stirring in gearbox of wheel drive system of electric vehicle
The oil mixing loss of the gearbox mainly comes from the friction loss between the lubricating oil and the internal
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The Science Behind Precision Forging
Precision forging is a manufacturing process used to shape metal components with high accuracy and precision. It involves applying extreme
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Finite Element Analysis of Main Force Bearing Parts of Electric Vehicle Planetary Gear
1.Strength analysis of planet carrier In the planetary reducer, the planet carrier is often the part with the largest torque,
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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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Calculation of highly modified cylindrical spur gear transmission
Taking a pair of small gears and large gears meshed by cylindrical spur gears as an example, it is known
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Analysis of Factors Influencing Velocity Fluctuation in Elliptical Arc Tooth Line Cylindrical Gear Transmission
A detailed study was conducted on the influence of the dynamic characteristics of elliptical arc-shaped cylindrical gears on the velocity
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Power analysis of gear chain fatigue test
For gear 1 and gear 2, they are two pieces of single gear, and the same gear has the same
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The Important Influence of Tooth Width on Elliptical Arc Tooth Line Cylindrical Gear Pair
The tooth shape of elliptical arc tooth line cylindrical gears is elliptical arc, and the size of tooth width is
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Fatigue test method for gear chain of coaxial twin rotor helicopter reducer
Since fatigue life determination technology is a key technology in the field of helicopter design, foreign research on this aspect
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Fatigue test of gear chain of coaxial twin rotor helicopter reducer
The transmission system is one of the “three major moving parts” of the helicopter. As the core part of the
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Made in China: The Growing Influence of Gear Manufacturers
China’s influence in the global gear manufacturing industry has been steadily growing over the years. The country has emerged as
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The Art and Precision of Manufacturing Spiral Bevel Gear
The manufacturing of spiral bevel gear is a sophisticated process that combines art and precision engineering. This process is critical
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Case study on meshing stiffness of involute spur gears
To verify the effectiveness of the method, the method that considers the true transition curve but does not modify the
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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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Calculation method of time-varying meshing stiffness of spur gears based on improved potential energy method
The elastic deformation analysis and time varying meshing stiffness (TVMS) calculation of spur gears have long been important and difficult
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Simulation analysis of dynamic temperature field of planetary gear system
The calculation of heat flow density and convection heat transfer coefficient will be used as the input heat source and
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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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Numerical analysis flow of dynamic field of planetary gear system
In order to study the temperature distribution characteristics of the planetary gear transmission system, a numerical analysis method of the
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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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Analysis of Dynamic Transmission Error of Spur Gear Pair
Extract the theoretical rotation angle of the driving wheel within 0.17s-0.175s of the stable stage of the spur gear pair
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The Rise of China’s Gear Manufacturers
China gear manufacturing industry has indeed experienced significant growth and has emerged as a major player in the global market.
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Numerical analysis of dynamic temperature field of planetary gear transmission system
A numerical analysis method and experimental research method for the dynamic temperature field of planetary gear system are proposed based
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Dynamic meshing force analysis of spur gear pair
Based on the model in Figure 1, the center distance deviation is set to 0.06 mm, the rotational speed n
Scientific
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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Establishment of the Optimal Mathematical Model of the Rocker Planetary Transmission Gear of the Thin Seam Shearer
The working principle of rocker arm gear drive of a thin seam shearer is shown in Figure 1. The gears
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Eco-friendly Manufacturing Processes for Spiral Bevel Gear
Eco-friendly manufacturing processes for spiral bevel gear is increasingly important in the context of global efforts to reduce environmental impact,
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Simulation Analysis and Experiment on Vibration Reduction Structure of Cylindrical Spur Gear with Slotted Holes
The vibration reduction and noise reduction of cylindrical spur gear transmission has always been a focus of attention in the
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Planetary transmission gear of rocker arm of thin seam shearer
Coal is not only the basic energy of our country, but also an important industrial raw material. With the rapid
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Analysis of Spur Gear Meshing Variance
Because the range method cannot derive the contribution of each factor to the evaluation index, it is also necessary to
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Dynamic Spectrum Analysis of Spur Gear Pair
Perform Fourier transform on the meshing force curve of the spur gear pair in Figure 1 to obtain the spectrum
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Effect of center distance deviation on vibration response of spur gear pair
Based on the graph model, the finite element models of spur gear pairs with center distance deviations of 0 mm,
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Simulation Analysis and Experiment on Vibration Reduction Structure of Spur Gear with Slotted Holes
Through dynamic simulation and orthogonal experimental design of spur gears, the influence of slot hole structural parameters on the vibration
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Simulation Test and Research Bench for Vibration Reduction Structure of Spur Gear Slotted Holes
Gear Number of teeth z Modulus m/mm Modification coefficient x pressure angle α (/ °) Tooth top height coefficient hα*
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Analysis of internal excitation and dynamic characteristics of spur gear pair with error tooth surface
In recent years, with the popularization of electric vehicles, the requirements for vibration and noise performance of spur gear transmission
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Dynamic finite element model for vibration characteristics of spur gear system
The vibration response of spur gear pairs during meshing varies with boundary conditions. This section establishes a finite element model
Scientific
Analysis of Gear Meshing Range and Signal to Noise Ratio for Cylindrical Spur Gears
The angular acceleration amplitude at the meshing frequency is taken as the evaluation index of the system, and the angular
Scientific
Bending Strength Calculation of Heavy Duty Gear Rack Root
For the calculation of heavy load large module gear and rack drive, there are many literature research calculation methods, some
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Analysis of the influence of center distance deviation on meshing stiffness and transmission error of spur gears
Since the rigid body shell of the inner ring of the spur gear driving wheel is fully constrained, the theoretical
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Orthogonal experimental design of cylindrical gear vibration reduction structure
Number Factor/mm Level 1 Level 2 Level 3 A（a1） Groove width 0.2 0.3 0.4 B（a2） Lateral clearance 0.2 0.07 -0.03
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Analysis of Dynamic Transmission Error of Spur Gear Pair
Extract the theoretical rotation angle of the driving wheel within 0.17s-0.175s of the stable stage of the spur gear pair
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Simulation analysis and calculation process of cylindrical gear meshing dynamics
Convert the cylindrical gear pair established by UG to X_ T intermediate format, and then import it into the dynamics
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Tooth profile design of heavy-duty gear rack
The gear rack with large module and heavy load is not suitable for the conventional hobbing and slotting processing method.
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Verification of spur gear meshing simulation results with center distance deviation
The total meshing force F of a spur gear pair in the direction of the meshing line can be expressed
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Full Process Machining of Spiral Bevel Gears for High Order CNC Motion Shafts
Spiral bevel gears are key components of aviation power transmission systems, and their machining accuracy directly affects the meshing quality
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Analysis of Dynamic Resonance Rotational Speed of Spur Gear Pair
The main excitation in a spur gear pair system comes from gear tooth meshing. When the meshing frequency of the
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Tooth Profile Design and Tooth Root Stress Calculation Method of Heavy Duty Gear Rack
With the rapid development of China’s economy, mining machinery, engineering machinery, marine engineering equipment and other heavy machinery and equipment