Time History and Spectral Analysis of Involute Spur Gear
The time history of each variable can be obtained directly by numerical integration. The response type of the system can […]
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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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Standard Analysis of Service Process for Double Drive Gears
In order to guarantee the normal operation and use of the double gear effectively and facilitate material processing, the height
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Material selection and technical requirements of spiral bevel gear
At present, the materials for spiral bevel gear are 20CrMnTi, 22CrMoH, etc. They are widely used in high-speed, medium or
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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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Research on Dynamic Characteristics of Gear Drive System under No-load Conditions
No-load knocking of gears is one of the important sources of vehicle knocking noise. No-load knocking usually occurs in two
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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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Standard tooth surface of the tooth-side contact point in the event of edge contact
In the figure, O1 and O2 are the rotation centers of large and small wheels, point D is the actual
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Machining Analysis of Double Gear Shaft
With the rapid development of modern human scientific manufacturing technology, human beings began to use various scientific knowledge and manufacturing
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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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Calculation of Rolling Point Position of Modified Helical Gear
The key to calculate the impact force of rodent is to accurately locate the rodent point.Based on the position of
Scientific
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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Optimized case of spiral bevel gear
1. Forms of Failure A hypoid gear pair is used to match medium truck, medium bus, medium empty cabinet tractor
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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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Optimization of fatigue carrying capacity of Spiral bevel gear pair
Spiral bevel gear pair is the main part affecting the performance of axle and vehicle. It is widely used because
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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
For acceleration, the main reasons for errors between simulation results and test results are as follows: 1.The parameters such as
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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
Scientific
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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Verification of Involute Harmonic Gear Flexible Wheel Finite Element Model
In order to verify the validity of the solid element finite element model in this paper, the stress results of
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Selection of Blank for Helical Bevel Gear and Determination of Size and Accuracy
Blank type determination: In general, 20GrMnTi alloy steel is used for driving axle gears of automobiles and carburized and quenched.CA1092
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Operating conditions and performance requirements of helical bevel gears
Spiral bevel gears transmit power and change speed during working process. Rolling and sliding exist between the meshing tooth surfaces
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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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Main functions of helical bevel gears in automobiles
1.Transfer the power output from the engine to the driving wheels via the transmission and the main drive. 2.Change the
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Vibration characteristics test of fixed-shaft gear drive system
Vibration characteristics of two-stage fixed-shaft gear drive system were tested on a dynamic simulation test bench in the Key Laboratory
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Calculation Method of Rolling Impact Force of Modified Helical Gear Based on Contact Analysis of Tooth Bearing
Calculation Method of Rolling Impact Force of Modified Helical Gear Based on Contact Analysis of Tooth Bearing Rolling impact can
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Nonlinear dynamic engagement model of planetary gear drive
For involute spur fixed-shaft gear drive and planetary gear drive respectively, a non-linear dynamic engagement model including dynamic backlash and
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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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Grinding and centering of double gear pairs
Centering of grinding teeth is the final procedure to ensure the accuracy of angular position of gears. Gear alignment accuracy
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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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Current problems in the study of gear drive system dynamics
After nearly a hundred years of continuous exploration and research, the dynamics of gear transmission system has developed into a
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Operation monitoring of wind power gearbox
The performance of the wind power system depends to a certain extent on the operation of the wind power gearbox.
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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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Rolling impact calculation conclusions for modified helical gears
(1) After tooth surface modification, under a small load, the clearance between the teeth of the latter pair is sufficient
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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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Rolling impact calculation of helical gear
Based on the proposed calculation method of meshing impact force, the optimum profile design of small gear tooth surface with
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Assembly combination of double gear pairs
(1) The large gear is heated in the heating furnace. The heating temperature is controlled at 120 C for 3
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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
Scientific
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
Scientific
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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Development of Dynamic Gear Profile Modification at China and Abroad
With the increase of speed of gear transmission system, more and more attention has been paid to the research of
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Current situation of profile modification of involute spur gear drive system at China and abroad
Abroad, it is first pointed out that the load of the gear changes in a stepped manner. This method can
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Application of Bearings in Fan Gearbox
Bearing is a key part in the gear box, if there is a problem with the bearing, the gear box
Scientific
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
Scientific
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