Bearing Support Reaction of Vehicle Gear Drive System
Bearing is the main component connecting the gear drive system and the box. Under the action of bearing support reaction, […]
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Load sharing factor of vehicle gear planetary drive
Under gear 1-8, the load-sharing coefficient of the loaded planetary row is shown in the figure, in gear 1-4, the […]
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No load gear dynamic load of vehicle gear transmission system
Previous studies have shown that the sound pressure of air radiation generated by no-load knocking of gears is proportional to […]
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Effect of Tooth Side Clearance and Center Distance Deviation of Involute Spur Gear on Dynamic Load
In gear meshing drive, in order to avoid jamming, clearance between tooth profiles must be left, which is an important […]
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Two parameter optimization design of involute straight tooth profile modification
The modification parameters of the two gears are the same, the value range of the modification amount is [0, 0.022mm], […]
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Time-varying meshing stiffness calculation of gear with cracks
Gao Yun used the finite element method to analyze the stress of gear, determined the position of the maximum principal […]
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Influence of Modification Types on Static Characteristics of Involute Spur Gear Drive System
The modification quantity is 0.22mm and the length is 2.8mm. The modification types are linear modification, parabolic modification and conic […]
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Effect of Profile Modification of Involute Spur Gear on Tooth Strength
In the research of tooth profile modification, the influence of tooth profile modification on the strength of gear teeth is […]
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Effect of profile modification on dynamic load of involute spur gear under different profile modification lengths
With parabolic modification, the dynamic load coefficient changes with the modification amount under different modification lengths as shown in the […]
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The influence of the modification amount on the dynamic load of the involute spur gear transmission system with different modification length
Linear modification is adopted, and the value range of modification amount is [0, 0.05mm], and the value interval is 0.002mm. […]
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Modified tooth surface of helical gear under heavy load
TE at small wheel φ1A is smaller than LTE under larger load, indicating that the gap between teeth is not […]
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Test principle for vibration characteristics of planetary gear drive system
(1) Ring gear root strain test principle Eight teeth are selected as measuring points on the end face of ring […]
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Influence of External Load Change of Involute Spur Gear Transmission on Static Characteristics of Modified Gear
Linear modification is adopted with the modification quantity of 0.022m m and the length of 2.8m M. Fixed torque of […]
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Influence of Modification Length of Involute Spur Gear Drive System on Static Characteristics
Linear shape modification is adopted with the amount of 0.022mm. The value range of the length of the modification is […]
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Influence of Modification Amount on Static Characteristics of Involute Spur Gear Drive System
Linear shape modification is adopted with the length of 2.8mm and the value range of modification is [0.01mm, 0.09mm]. The […]
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Calculation of meshing stiffness and relative speed of helical gear meshing points
The meshing stiffness of the rodent point can be calculated by LTCA. The basic idea is to increase the load […]
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Profile modification length of involute spur gear drive system
In the research of profile modification based on static characteristics, the selection criteria of profile modification length mostly adopt the […]
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Research on Dynamic Characteristics of Gear Drive System under Steady State Conditions
Steady state condition refers to the condition under which the vehicle travels at a constant speed in a certain position […]
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Analysis Method for Nonlinear Dynamic Characteristics of Involute Spur Gear
There may be four kinds of motion forms in gear transmission non-linear system: periodic motion, double periodic motion, quasi-periodic motion […]
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Effect of No-load Speed of Involute Spur Gear on Dynamic Load
Under no-load condition, gear has two-sided impact phenomena and frequently falls out of teeth. Maximum dynamic meshing force and root […]
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Time-varying meshing stiffness calculation of healthy gears
The potential energy method is used to solve the time-varying meshing stiffness of gears.Each tooth is considered as a variable […]
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Research on characteristics of gear knocking under no-load condition
To simulate the no-load knocking characteristics of gears, an angular acceleration excitation is applied in the torsional direction of the […]
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Effect of Center Distance Deviation of Gear Drive System on Dynamic Load under Steady State Conditions
During machining and assembling of gear drive system, there is deviation between actual and theoretical center distance of gear due […]
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Effect of Engine Speed of Gear Drive System on Dynamic Load under Steady State Conditions
Under steady-state conditions, the engine speed range of heavy-duty vehicles studied ranges from 1000 r/min to 4200 r/min.Under full throttle […]
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Research on Dynamic Characteristics of Involute Spur Gear Drive System
Vibration characteristics of two-stage fixed-shaft gear drive system and single-stage planetary gear drive system were tested, and the correctness of […]
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Modeling of gear drive system with cracks
The centralized parameter method is used to establish the dynamic model of gear transmission system.This method has a small amount […]
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Test device and system for vibration characteristics of planetary gear drive system
Taking single-stage planetary gear drive as test object, vibration characteristics test is carried out on the special test bench for […]
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Dynamic Model of Involute Spur Gear Drive System Fixed Shaft Gear Drive System
The bearings and gears are simplified as concentrated mass points and the rolling bearings are simplified as isotropic elastic supports.A […]
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Data Processing Method for Strain Signal of Involute Spur Gear Drive System
1.The cut-off frequency of low-pass filtering for strain test data is 3kHz of sampling frequency of dynamic strain gauge. 2.As […]
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Effect of Gear Modification Coefficient on Gear Slip Rate
To analyze the influence of gear displacement coefficient, it should be divided into equal displacement, unequal positive displacement and unequal […]
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Comparative analysis of torsional shear stress of involute spur gear
According to the test results of torsional shear strain of drive shaft, the torsional shear stress is calculated by formula […]
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Effect of Helical Bevel Gear Cutter Modification on Tooth Root Bending Stress
In order to improve the bending strength of the small gear root, the heavy contact area is usually designed to […]
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Optimization of Spiral Bevel Gear Based on Tooth Height Factor
The tooth height coefficient of hypoid gear pair mainly includes working tooth height coefficient and tooth crest height coefficient, which […]
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Data Processing Method for Displacement Signal of Involute Spur Gear Drive System
The transverse displacement test principle of the drive shaft is shown in the figure.O-point is the center position of the […]
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Comparison and analysis of vibration and displacement of involute spur gear drive
According to the test results of transverse vibration displacement of transmission, the displacement of axle in test direction is calculated […]
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Effect of Gear Modulus and Pressure Angle on Gear Slip Rate
Figure 1 shows the variation trend of sliding rate with gear modulus in standard drives with the number of teeth […]
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Comparison and analysis of acceleration of involute spur gear drive system
Torsional angular acceleration of gears 1 and 4 can be obtained by substituting acceleration test results of each gear into […]
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Data Processing for Nonlinear Dynamic Acceleration Signal of Involute Spur Gear Drive System
1.The acceleration test signal is filtered with low-pass filter whose cut-off frequency is 10kHz, the highest response frequency of the […]
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Contact relationship and stress distribution of flexible ring gear of Involute Harmonic Gear
Flexible ring gear is a spur cylindrical external gear, and the ring gear after assembly deformation presents straight bus deformation […]
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Involute Harmonic Gear Flexible Gear Profile Parameters
1. Basic profile parameters and definitions Taking the involute profile as an example, the figure is an illustration of the […]
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Nonlinear dynamic backlash and meshing stiffness of sun gear
The analysis process of the dynamic backlash of the outer meshing pair composed of the sun wheel and the star […]
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The dynamic boundary condition of the modification area of involute spur gear
If there is tooth profile modification, the dynamic boundary condition of the modification area should be added on the basis […]
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Centroid Position Vector and Engaging Force of Gear Pair
The dynamic center distance of a gear pair at any time is the modulus of the difference between the vector […]
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Maximum circumferential stress of ring gear considering the influence of gear teeth
1. Maximum circumferential stress of ring gear in design specification Considering the influence of tooth parameters, load distortion of flexible […]
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Engaging position of involute spur gear at any engagement teeth
In order to obtain the dynamic engagement stiffness in the process of gear transmission, besides determining the engagement positions, the […]
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Example Analysis of Rolling Impact of Helical Gear
Figure 1 shows the calculation results of the load-dependent position of the rodent points on the standard and modified tooth […]
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Nonlinear dynamic meshing model of planetary gear drive
For the fixed shaft gear drive, the design parameters of each gear pair are different, the period of meshing stiffness […]
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Centroid Position Vector of Gear Pair and Action Direction of Engaging Force
At present, the meshing force of gear in most models always follows the theoretical direction of meshing line, ignoring the […]
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Aperture circumferential stress in ring gear ring theory
Flexible wheels are subject to alternating stress with an amplitude twice that of assembly stress. In the structural analysis of […]
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Solution of Rolling Point Position of Tooth Face without Edge Contact of Helical Gear
When TE is greater than LTE at small wheel angle_1A under small load, it means that the clearance between teeth […]
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Solution to Nonlinear Vibration of Spur Gear Drive System
The experimental research shows that the gear transmission system shows obvious non-linear vibration characteristics, and the traditional linear model can […]
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Engaging position of involute spur gear at any engagement teeth
The engagement position of individual gear teeth during gear transmission can be determined by analysis.In order to ensure the continuity […]
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An example analysis of dynamic meshing stiffness of involute spur gear transmission system
The engagement stiffness of the gear pair is calculated by applying the rotating speed of 2000r / min on the […]
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Maximum Assembly Stress of Flexible Wheel for Involute Harmonic Gear
Harmonic gear reducer is widely used in robotics, aerospace and other fields due to its high transmission ratio, high load-carrying […]
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Interaction force between cross-torsion-pendulum coupling gear pairs in involute spur gear drive
Most gear dynamic models assume that the meshing force is evenly distributed along the tooth width direction, but during actual […]
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Effect of speed change on engagement position of fixed-shaft gear drive
It is assumed that the centre of both gears is rigidly supported.In the meshing state of tooth surface, the relationship […]
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Nonlinear time-varying model of gear transmission system
The nonlinear time-varying model contains many nonlinear factors such as time-varying stiffness and clearance. Recently, with the development of nonlinear […]
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The influence of meshing state change of tooth surface and back of involute spur gear on meshing position
The engagement state of the tooth surface can be determined by the formula at any time during the transmission process.From […]
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Dynamic meshing stiffness of involute spur gear transmission system
It can be seen from the analysis that the dynamic boundary conditions α B (T) and the dynamic boundary conditions […]
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Mechanism analysis and improvement of gear surface corrugation order noise
1. Gear corrugation order noise and analysis A bewildering “ghost-step” noise occurs in the pre-production stage of a vehicle reducer […]