Technical scheme of bevel gear tooth top trimming
1. Technical difficulties There are several difficulties in carrying out bevel gear tooth top trimming under traditional conditions: (1) Tooth […]
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Vibration caused by natural frequency of automobile gear
All defective automobile gears will produce high-level pulses in operation, which will usually arouse the natural frequency (also known as
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Technical problems of bevel gear tooth top trimming
Bevel gear is a component that can drive according to a stable transmission ratio. Because of its high transmission efficiency,
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Vibration caused by tooth profile error of automobile gear
The test diagram of vibration amplitude spectrum caused by tooth profile error of automobile gear is shown in Figure 1.
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Design of large degree of reconnection of spiral bevel gear
As shown in the figure, the included angles between the five contact paths and the root cone on the convex
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Experimental results and Discussion on electrochemical corrosion of automotive gears by heat treatment process
At 25 ℃ and 0.001 V / s scanning speed, the Tafel curve of automobile gear test material 20mncr5 steel
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Design of large degree of reconnection of spiral bevel gear and comparison of meshing performance
Spiral bevel gear has the advantages of stable transmission, low vibration and noise and large bearing capacity, which makes it
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Effect of heat treatment process on salt spray corrosion test results and discussion of Automobile Gears
The 72 h salt spray corrosion surface morphology of 20mncr5 steel, an automobile gear test material after normalizing and isothermal
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Strength failure mechanism of hypoid gears with super reduction ratio
At present, miniaturization, high speed and low consumption are the important development direction of gear transmission parts. Compared with other
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Experimental materials and methods of heat treatment process on corrosion performance of Automobile Gears
1. Material preparation The automobile gear steel 20mncr5, which is widely used, is selected as the experimental material. The energy
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Selection of cutting process parameters for automobile gear hobbing
Automobile gear hobbing has the characteristics of high productivity and good universality. It is a gear processing technology widely used
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Detection of contact area of spiral bevel gear
The size and position of the contact area of spiral bevel gear can reflect the contact performance of spiral bevel
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Cumulative error of groove circumferential pitch of gear hobbing hob
The design parameters of gear hobbing hob for automobile gear processing are complex, mainly including outer diameter, total length, inner
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Measurement of main performance parameters of spiral bevel gear
The variation law of actual speed and torque can reflect the approximate meshing characteristics of spiral bevel gears. In order
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Error analysis of gear hobbing
Through the analysis of gear hobbing machining error, the following are mainly completed: The formation mechanism of tooth profile error
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Measurement of loading condition of spiral bevel gear
In order to obtain the real meshing performance of spiral bevel gear in reduction box, the meshing performance parameters were
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Research on gear hobbing technology abroad
In the process of gear hobbing, the machined materials and cutting conditions affect the unit cutting force of the hob,
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Design of spiral bevel gear test bench
The load contact analysis method of spiral bevel gear can quickly and efficiently obtain its meshing transmission characteristics, but the
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Research status of gear hobbing technology abroad
The research on gear hobbing process in foreign countries was carried out earlier. Germany and Japan began to carry out
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Finite element analysis of dynamic contact stress and bending stress of spiral bevel gear
In order to study the influence of different speed and load conditions on the gear stress in the meshing transmission
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Gear hobbing principle
Gear hobbing is processed by the principle of generating method. It can be used to process spur gear, helical gear,
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Dynamic speed and transmission error of spiral bevel gear
After the calculation, extract the speed change law of spiral bevel gear meshing transmission under various working conditions, as shown
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Overview of gear machining
Gear mechanism is used to transfer the motion and power between any two shafts in space. Compared with other mechanical
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Finite element modeling of dynamic loading contact analysis of spiral bevel gear
The dynamic loading analysis adopts the same finite element mesh model as the static analysis, but the dynamic explicit analysis
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Heat treatment deformation tooth surface deviation of spiral bevel gear
Spiral bevel gears are widely used in mechanical transmission systems with intersecting or staggered shafts, and their tooth surface accuracy
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Gear hobbing machining of automobile gear
Driven by the rapid development of automobile industry, China’s automobile gear manufacturing industry shows sustained and rapid growth. According to
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Contact equation of spiral bevel gear under dynamic loading
The finite element static analysis method can be used to analyze the load contact of spiral bevel gear in detail,
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Vibration test of automobile gear
The vibration experiment of automobile gear adopts SSA signal and analysis software combined with acceleration sensor to test the vibration
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Theoretical analysis and comparison of static contact stress and bending stress of spiral bevel gear
According to the formula, the value of each calculation coefficient and the basic parameters of spiral bevel gear, the values
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Analysis of quenching test results of SAE J403 steel parking gear
Use ultrasonic testing equipment to test the metal hardened layer of carbon steel gears with different thicknesses. Set the sampling
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Vibration test and analysis of Automobile Gears
On the rear axle main reducer of modern automobile, the most widely used gear is hypoid gear, which is characterized
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Space dynamic physical model of tractor gear train torsional vibration coupling
Based on the method of lumped parameter modeling, the torsional vibration coupling model of the tractor power output transmission system
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Characterization of Nonlinear Coefficients of Carbon Steel Gears with Different Hardened Layer Thickness
According to the formula, the nonlinear ultrasonic coefficients of different samples are calculated according to the amplitude of the fundamental
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Theoretical calculation and analysis of static contact stress and bending stress of spiral bevel gear
In order to further analyze the tooth surface contact stress and tooth root bending stress of spiral bevel gear under
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Ultrasonic Nonlinear Characterization of Quenching Depth of SAE J403 Steel Parking Gear
SAE J403 steel is a high-quality carbon structural steel with good strength, hardness, toughness and other material properties. Therefore, it
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Influence of time-varying mesh stiffness mean value on vibration characteristics of high speed helical gear transmission
In order to study the influence of the mean value of time-varying meshing stiffness of helical gears on the vibration
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Development direction of automotive gear materials
With the requirements of light-duty and high-performance automobile, the development of automobile industry puts forward new requirements for gear materials.
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Finite element analysis of static contact stress and bending stress of spiral bevel gear
The contact stress of tooth surface and the bending stress of tooth root affect the working performance of gear, such
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Development of imported automobile gear steel
Among the introduced steel grades of the driving and driven gears of the rear axle, there are mainly Ni Cr
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Vibration response of high speed helical gear drive under combined excitation
Input the obtained time-varying meshing stiffness curve and meshing impact curve into the dynamic equations at the same time to
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Influence of time-varying mesh stiffness amplitude on vibration characteristics of high speed helical gear transmission
In order to study the influence of the time-varying meshing stiffness amplitude of gears on the vibration characteristics of the
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Analysis of coincidence degree of spiral bevel gear
The coincidence degree represents the average value of the number of wheels participating in meshing at the same time. The
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Development of traditional automobile gear steel
In view of the differences of resources and production process conditions in various countries, the gear steel alloy series used
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Comparison of vibration response of helical gear transmission system under various excitation components
In order to study the influence of the above two excitation factors on the system vibration, the vibration speed diagram
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Static contact force analysis of spiral bevel gear
After the calculation is completed, the change laws of contact force of four adjacent tooth surface contact pairs under the
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A bending torsion shaft dynamic model of single-stage helical gear transmission
The high-speed helical gear drive of an electric vehicle is taken as the research object, and its structure diagram is
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Vibration characteristics of single-stage high speed helical gear transmission
The dynamic model of the input stage tooth pair of an electric vehicle reducer is established, and the time-varying meshing
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Static transmission error of spiral bevel gear
After the calculation, in order to obtain the meshing transmission accuracy of spiral bevel gear, in the ABAQUS post-processing module,
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Carburized automobile gear steel
Automobile Carburized Gear Steel is mainly low-carbon alloy steel. With the development of automobile industry, low-alloy carburized steel with similar
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Analysis and Calculation of Meshing Impact of Helical Gear Transmission
In the whole meshing area of helical gear pair, the meshing point of error free helical gear transmission is always
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Simulation Model of Spiral Bevel Gear Pair
The basic parameters of spiral bevel gears are shown in Table 1. Parameters Driving wheel Driven wheel Number of teeth
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Machinability and machinability of automotive gear steel
With the automation of automobile gear processing line, in order to continuously improve production efficiency, many countries are studying the
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Finite element modeling of static loading contact analysis of spiral bevel gear
According to the geometric characteristics of spiral bevel gear, the gear can be divided into multiple independent teeth with the
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Grain size of automobile gear steel
Austenite grain size is of great significance to stabilize the hardenability of steel, reduce the deformation of automobile gear after
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Contact analysis principle of spiral bevel gear under finite element loading
The finite element analysis method of spiral bevel gear has gradually developed into a widely used numerical analysis method, and
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Influence of compound optimization modification on time-varying meshing stiffness and time-varying meshing force of helical gears
(1) The influence of compound optimization modification scheme of top involute and tooth direction drum of long tooth profile of
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Analysis and Optimization of Wind Resistance Power Loss of Aviation Spiral Bevel Gear Pair
Spiral bevel gears are widely used in aviation high-speed transmission systems because of their good load capacity, smooth transmission and
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Tooth surface reconstruction of spiral bevel gear based on NURBS method
The gear tooth surface obtained by virtual machining and the gear tooth surface actually processed by the machine tool are
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Purity of automobile gear steel
The purity requirement of automobile gear steel mainly refers to the inclusion of oxides and sulfides and the reduction of
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Influence of drum shape optimization modification on time-varying meshing stiffness and meshing force of helical gears
There are three schemes for drum shape optimization modification of tooth profile, namely, the modification amount of driving wheel is