Research trend of root crack of spur gear
The research of fatigue crack is a part of reliability research. In engineering application, it is mainly to predict the […]
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spur gear
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Study on continuous cold extrusion process of spur gear (sun gear)
Based on the numerical simulation, the cold extrusion process and die design of spur cylindrical gear (sun gear) are partially […]
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Continuous extrusion forming of external teeth of spur gear
Stack two spur gear ring blanks into the outer tooth female die sleeve, and insert the spur gear ring blank […]
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Formulation of forming process scheme for spur gear
The external teeth of the part are spur gears and the internal teeth are involute spline teeth. Three forming process […]
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Rolling forming technology of spur gear
With the rapid development of China’s aerospace, engineering machinery and truck industries, spur gear is an indispensable part of heavy-duty […]
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Establishment of induction heating finite element model of large spur gear
The module of large spur gear is 40, the number of teeth is 35, the tooth width is 80mm, and […]
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Local induction heating process of large spur gear
Gear is one of the most widely used parts in mechanical transmission. Its quality and service life directly affect the […]
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Prospect of compound forming technology of continuous cold extrusion and cold shaping of spur cylindrical gears for trucks
The compound forming process of continuous “cold extrusion + cold shaping” of spur gear is studied, mainly for the purpose […]
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Manufacture and assembly of mould for spur gear
The process experiment mold design refers to the mold structure of the finite element model and the main size parameters […]
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Influence of different shaping parameters on the accuracy of spur gears
The sizing belt of shaping die is one of the important process parameters affecting the forming accuracy of spur gear. […]
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Cold shaping process analysis and preliminary determination of shaping amount of spur gear for truck
1. Analysis of cold shaping process scheme The cold extrusion die after multi-objective optimization is used for production, and the […]
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Influence of addendum fillet r on spur gear forming
In order to study the influence law of tooth top fillet r on the forming of spur cylindrical gear, the […]
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Die angle α Influence on the forming of spur gear
The die angle is one of the important process parameters in the design of tooth concave die. It is not […]
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Numerical simulation results of spur gears
The correctness of the finite element model needs to be compared with the actual situation. If the simulation results are […]
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Establishment of finite element model of spur gear
Cold extrusion process is a complex elastic-plastic deformation process with many influencing factors. Die shape, material properties, lubricant selection and […]
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Original forming technology of spur gear
Large module gear in power transmission of heavy industry (m ≥ 3) is essential. With the rapid development of heavy […]
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Compound forming technology of continuous cold extrusion and cold shaping of spur gear for truck
From the multi-objective optimization of cold extrusion process parameters of spur gear, the influence of shaping quantity on the accuracy […]
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Hot precision forging of spur gear and its compound forming process
Hot precision forging of spur gear is a precision forming method developed from hot die forging technology. It is mainly […]
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Precision forming technology of large modulus and large specification spur gear
With the rapid development of automobile industry, precision forming of spur gear has become an inevitable trend in the development […]
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Simulation results and discussion of induction heating of large spur gears
Figure 1 shows the front view of the temperature field on the single tooth profile surface and the middle section […]
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Adhesion wear of involute spur gear at low speed
Adhesive wear is the most common fault type on the working surface of mechanical system, which often occurs on the […]
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Simulation calculation and result analysis of involute spur gear under low speed condition
1. Simulation method validation In order to verify the simulation model, the minimum oil film thickness is far less than […]
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Wear prediction model of involute spur gear at low speed
1. Basic wear model In the meshing process of gear pair, the relative sliding and rolling occurs between the meshing […]
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Load distribution coefficient model of involute spur gear at low speed
When involute spur gear works, it has to go through the process of single tooth meshing and double tooth meshing […]
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Load distribution coefficient model of involute spur gear at low speed
When involute spur gear works, it has to go through the process of single tooth meshing and double tooth meshing […]
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Comparison and summary of fatigue pitting test results of spur gears
In order to better reflect the effect of the test gear on the dynamic response characteristics of the system due […]
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Fatigue pitting characteristics of spur gear in fatigue pitting test
Figure 1 shows the measurement curve of tooth profile deviation of aa-1 gear after fatigue pitting. The measurement results show […]
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Measurement data and response characteristics of fatigue pitting corrosion test for 8 million cycles spur gear
Figure 1 shows the measurement curve of tooth profile deviation of aa-1 gear after 8 million times of operation. The […]
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Measurement data and response characteristics of fatigue pitting corrosion test for spur gears with six million cycles
Figure 1 shows the profile deviation measurement curve of aa-1 gear working tooth surface (left tooth surface) after running for […]
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Measurement data and response characteristics of fatigue pitting corrosion test for spur gears with 4 million cycles
Figure 1 shows the profile deviation measurement curve of aa-1 gear working tooth surface (left tooth surface) after running for […]
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Results of original measurement data in fatigue pitting test of spur gear
First of all, the professional D80 gear measuring and Testing Center (Figure 1) is used to measure the accuracy of […]
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Data acquisition and measurement method for fatigue pitting test of spur gear
The main data acquisition method of cylindrical gear fatigue test-bed is to collect and record the data through the real-time […]
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Summary of fatigue pitting test bench for spur gears
It is a very complicated and random process that gear evolves from the healthy state of tooth surface to fatigue […]
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Simulation calculation and result analysis of involute spur gear wear
In order to verify the simulation model, the minimum oil film thickness is far less than the root mean square […]
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Basic wear model of involute spur gear
In the meshing process of gear pair, the relative sliding and rolling occurs between the meshing tooth surfaces, which causes […]
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Calculation of tooth surface adhesion wear of involute spur gear under low speed condition
Adhesive wear is the most common fault type on the working surface of mechanical system, which often occurs on the […]
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Experimental study on fatigue pitting corrosion of spur gears
Through the gear contact fatigue test-bed, the evolution process of gear fatigue pitting phenomenon and the vibration response characteristics of […]
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Stiffness composition and analytical equation of spur gear teeth
The standard involute gear with 20 ° pressure angle processed by rack cutter is shown in the figure. The complete […]
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Example and mathematical model of optimum design for minimum center distance of two stage spur gear
As shown in the figure, it is known that the input power P1 of the high-speed stage of the two-stage […]
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Example and mathematical model of optimum design for minimum center distance of two stage spur gear
As shown in the figure, it is known that the input power P1 of the high-speed stage of the two-stage […]
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Constraint conditions of minimum center distance for two stage spur gears
① According to the contact fatigue strength formula of tooth surface, the The constraint conditions of tooth surface are obtained […]
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Mathematical model of minimum center distance of two stage spur gear
The transmission diagram of the reducer is shown in the figure, and the optimization design is carried out according to […]
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Brief introduction of fimicon function of minimum center distance of two stage spur gear
Given the transmission power P, transmission ratio I and output speed n of the reducer, a set of technical parameters […]
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Analysis of load stroke curve in precision forming process of spur gear
The load stroke curves of the two processes are shown in the figure. It can be seen from the figure […]
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Analysis of filling process in precision forming process of spur gear
The traditional and improved processes are used for experimental study. The typical deformation conditions of the blank during the deformation […]
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Parameter setting of numerical simulation for precision forming process of spur gear
In this paper, the first mock exam of the internal gear of a solid cylinder with no hub hub and […]
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Research on new precision forming process of spur gear
The traditional closed die forging of internal gear is shown in figure (a). In the process of pressing the blank […]
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Precision forming process of spur gear based on SolidWorks
With reliable transmission quality and efficiency, gears are widely used in mechanical field, especially in military industry, aerospace and other […]
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Establishment of dynamic equation of sealed rotor system with spur gear
According to the equivalent dynamic model shown in the figure, the dynamic differential equation of the system can be deduced […]
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Establishment of dynamic model of sealed rotor system with spur gear
According to the structural characteristics of each component in the system, a multi degree of freedom equivalent dynamic model of […]
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Analysis of relative displacement of components in Spur Planetary Gear System
As shown in the figure, the relative position relationship of each gear is in the meshing state. (1) Projection of […]
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Kinematic analysis of components in Spur Planetary Gear System
In order to analyze the dynamics of the system, firstly analyze the acceleration of each component in the planetary gear […]
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Establishment of equivalent dynamic model of Spur Planetary Gear System
The model of gear transmission system is the expression of system mechanics and mathematics, and is the basis of gear […]
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Damping coefficient of Spur Planetary Gear System
Damping is an important introduction in the study of gear system dynamics. Because the damping value of gear system meshing […]
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Comprehensive meshing error of Spur Planetary Gear System
In the process of actual processing and installation of gears, it is inevitable to produce a variety of errors. These […]
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Total meshing stiffness of inner and outer meshing pairs of Spur Planetary Gear System
(1) When the gear teeth are in the single tooth meshing area, the total energy u in the meshing pair […]
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Bending stiffness, shear stiffness and axial compression stiffness of internal gears in Spur Planetary Gear System
In the picture: RR — pitch circle radius; RRB — radius of base circle; RRF — root circle radius; φ […]
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Bending stiffness, shear stiffness and axial compression stiffness of outer gear of Spur Planetary Gear System
In the picture: RB — radius of base circle; RF — radius of tooth root circle; Bending stiffness Kb: Shear […]
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Hertz contact stiffness of inner gear and outer gear in Spur Planetary Gear System
According to Hertz law, the elastic compression of two isotropic elastic bodies can be described by two projectile near the […]
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Nonlinear backlash of Spur Planetary Gear System
As shown in the figure is a sketch of the gear meshing pair with backlash. Its function is to reserve […]