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 […]
Scientific
News
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
Scientific
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
News
Gear hobbing principle
Gear hobbing is processed by the principle of generating method. It can be used to process spur gear, helical gear,
Scientific
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
News
Overview of gear machining
Gear mechanism is used to transfer the motion and power between any two shafts in space. Compared with other mechanical
Scientific
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
News
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
News
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
Scientific
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,
News
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
Scientific
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
News
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
News
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
News
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
Scientific
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
Scientific
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
News
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
Scientific
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
News
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.
Scientific
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
News
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
Scientific
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
Scientific
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
Scientific
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
News
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
Scientific
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
Scientific
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
Scientific
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
News
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
Scientific
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,
News
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
News
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
Scientific
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
News
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
Scientific
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
News
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
Scientific
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
Scientific
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
News
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
Scientific
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
News
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
Scientific
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
Scientific
Cutting modeling of spiral bevel gear blank
According to the virtual machining theory, the geometric model of spiral bevel gear is created. The tooth system of spiral
Scientific
Influence of tooth width on time-varying meshing stiffness and meshing force of helical gears
Figure 1 shows the influence curve of the pinion tooth width on the time-varying meshing force of the helical gear
News
Hardenability of automobile gear steel
In addition to the general requirements of strength, plasticity and toughness of engineering materials, the performance requirements of automobile gear
Scientific
The Influence of Optimal Modification of Crease Arc on the Time varying Meshing Stiffness and Time varying Meshing Force of Helical Gears with Long Tooth Profiles
The optimal modification scheme of the top broken line arc of the long tooth profile is the modification amount of
Scientific
Adjusting parameters of spiral bevel gear NC machine tool
With the development of computer technology, the method of using virtual machining technology to create gear geometric model has been
News
Research progress of automotive gear steel
Automobile gear is an important transmission part, which plays the role of transmitting power and changing speed and direction. Due
Scientific
Nonlinear multi-body dynamics simulation of helical gear pair in electric vehicle gearbox
For the dynamics of nonlinear helical gear system, the solid collision method, the finite element transient analysis method and the
News
Influence of heat treatment process on corrosion performance of Automobile Gears
In the process of automobile manufacturing, as an important part of the transmission system, the quality of the gear directly
Scientific
Tooth profile measurement of spiral bevel gear with face hobbing based on Gear Measurement Center
The tooth profile of spiral bevel gear is a complex free-form surface. At present, its measurement is mainly carried out
Scientific
Influence of linear optimization modification of addendum with long tooth profile on time-varying meshing stiffness and meshing force of helical gears
The linear optimization modification scheme of long tooth profile addendum is the modification amount of driving gear 3 μ m.
Scientific
Influence of optimized modification on contact stress of helical gear pair
As shown in the figure, the three-dimensional cloud diagram of contact stress of No. 0 unmodified, No. 1 optimization scheme
News
New heat treatment process of Automobile Gears
Since the mid-1980s, China’s gear industry has developed rapidly. Due to the high requirements of technical parameters, the gear required
Scientific
Influence of helix angle on time-varying meshing stiffness and meshing force of helical gears
Figure 1 shows the influence curve of helix angle on the time-varying meshing force of the helical gear pair at
Scientific
Machining experiment of face hobbing of controlled spiral bevel gear
The correctness of research methods and theories needs to be verified by relevant experiments. The experiment is divided into two
News
Secondary Optimization Modification and Multi body Dynamics Analysis of Helical Gear Pair in Electric Vehicle Reduction Box
Transmission error belongs to error excitation, which is an important factor affecting the vibration and noise of meshing helical gear
Scientific
Influence of optimized modification on tooth surface load distribution of helical gear pair
As shown in the figure, the tooth surface load distribution of No. 0 unmodified, No. 1 optimization scheme and No.
News
Heat treatment and induction hardening of Automobile Gears
In the early automobile gear production, heat treatment induction quenching was widely used because of its high production efficiency, small