Establishment of parametric model of cylindrical gear in electric vehicle gearbox
1. Establish the precise modification model of cylindrical gear Among the components of electric vehicles, cylindrical gear is the most […]
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Tooth analysis of spiral bevel gear
In order to more intuitively reflect the meshing characteristics of spiral bevel gear pairs, tooth contact analysis (TCA) technology is
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Solution of three-dimensional coordinate points of hypoid gear wheel
Since the coordinates (x, y, z) of any point on the tooth surface of hypoid gear have the following corresponding
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Contact stress spectrum of helical gear
Parameters Driving wheel Driven wheel Number of teeth 29 48 Modulus 1.75 1.75 Helix angle 16 16 Accuracy class 7
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Modification method of cylindrical gear modification technology for electric vehicle gearbox
Generally, during the operation of the automotive electronic control system, the ECU will calculate and judge the physical parameters and
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Solution of tooth surface points of hypoid gear with small number of teeth and large reduction ratio
According to the tooth contact analysis principle and gear meshing principle, the machining parameters of hypoid gear are calculated through
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Modification of spur gear in electric vehicle gearbox
In the driving process of electric vehicles, the gearbox is one of the main causes of vehicle noise. At this
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Meshing equation of hypoid gear pinion
In the process of envelope generation of hypoid gear pinion, there is a meshing relationship between hypoid gear wheel tooth
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Analysis of vibration characteristics of helical gear transmission
The vibration acceleration in all directions of the helical gear is synthesized into the relative vibration acceleration a in the
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Mathematical model of hypoid gear pinion
The hypoid gear pinion with small number of teeth and high speed uses the principle of envelope method to envelope
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Calculation and analysis of meshing impact of helical gears
Regardless of the deformation, the meshing point of a pair of helical gears at any time should be on the
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Bending torsion shaft dynamic model of helical gear pair
Taking the high-speed input stage gear pair in the secondary reducer of a pure electric vehicle as the research object,
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Analysis of simulated forming load for final forging of half shaft gear
From the load stroke curve, it can be seen that the load change in the whole deformation process can be
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Derivation of gear tooth surface equation of hypoid gear
Since the large hypoid gear wheel is processed by forming method, the profile of the hypoid gear wheel tooth surface
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Contact stress analysis of circular arc tooth profile cylindrical gear tooth surface
Select a single pair of teeth for tooth surface contact stress analysis, import the three-dimensional solid models of double circular
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Pitch cone cutting of driving gear of hypoid gear pair based on spiral modification method
The machine tool for machining the tooth surface of the driving wheel (small wheel) of the hypoid gear pair has
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Description of tooth surface of hypoid gear wheel cutter head
The cutter head coordinate system SG for machining hypoid gear wheel is shown in Figure 1. The vector diameter RC
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Three dimensional solid modeling of circular arc tooth profile cylindrical gear
The single side tooth surface of circular arc tooth profile cylindrical gear is composed of multiple curved surfaces. The establishment
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Load history calculation of high-speed cylindrical gear of electric vehicle
1.Calculation of contact stress of cylindrical gear The transmission gear is a cylindrical gear. During the meshing process of the
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Mathematical model of machining hypoid gear wheel by forming method
The basic parameters for machining hypoid gear wheel by forming method include: horizontal tool position H2, vertical tool position V2,
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Mathematical model of circular arc tooth profile cylindrical gear tooth surface
Theoretical circular arc tooth profile circular arc tooth line gear tooth surface can be generated by the circular arc tooth
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Design of orthogonal trial calculation of hypoid gear
The purpose of orthogonal trial calculation is to find the key geometric factors and the best combination of hypoid gears.
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Analysis of simulated stress distribution in final forging of half shaft gear
As shown in the figure, the stress distribution is given when the reduction is 1.5mm, 3.0mm and 4.5mm respectively. At
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Circular arc tooth profile circular arc tooth line cylindrical gear and its meshing transmission
Single circular arc tooth profile arc tooth profile a single tooth is shown in Figure a. its tooth profile curve
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Calculation of radial force of hypoid gear pair
For loaded working side: Radial force frad1d of hypoid gear pinion is: Radial force frad2d of hypoid gear wheel is:
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Simulation of strain and strain rate in final forging of half shaft gear
The strain distribution in the deformation process shows that the overall deformation of the half shaft gear is small, and
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Meshing interference test of hypoid gear pair
Because the hypoid gear pair with less than 5 small teeth is designed, radial displacement and tangential displacement are comprehensively
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Digital model of Cycloid Bevel Gear and hypoid gear
General NC machining is often used to process Cycloid Bevel Gears and hypoid gears, and the mold cavity used in
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Undercut inspection of hypoid gear pinion
The undercutting inspection of the large and small wheels of the aligned hyperboloid gear is mainly to calculate whether the
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Inspection and analysis of Cycloid Bevel Gear and hypoid gear pair
Based on the three-dimensional solid model, through the measurement and interference analysis module, the sharpening and contraction of the top
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Three dimensional modeling of Cycloid Bevel Gear and hypoid gear pair
The main design parameters and tooth surface model of cycloid hypoid gear pair (Figure 1) are known, and the three-dimensional
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Cutting principle and adjustment parameters of cycloid hypoid gear
Cycloid hypoid gears are milled by continuous indexing double-sided method whether there is generating motion or not. As shown in
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Meshing of Cycloid Bevel Gear and hypoid gear
The meshing characteristics of Cycloid Bevel Gear and hypoid gear not only depend on the design parameters and machining accuracy
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Design and machining of tooth die for spur bevel gear
Straight bevel gears are formed by “one fire and two forging”. The tooth surface of the tooth die is subjected
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Calculation of blank size of hypoid gear small wheel
After the large wheel blank of hypoid gear is determined, the size of small wheel blank can be determined according
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Selection of lubricant in precision forging of bevel gear
The hot precision forging lubricant shall have the following advantages: (1) It has good lubricity in the forging temperature range.
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Simulation of velocity field in final forging of half shaft gear
The velocity field distribution in the deformation process directly shows the metal flow law during the final forging of half
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Machining of right tooth surface of hypoid gear wheel
There are also four methods to place the gear blank in the coordinate system when machining the right tooth surface
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Structural characteristics of final forging die for half shaft gear
As shown in the figure, the structure diagram of the final forging die for the half shaft gear is given.
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Research on precision forging technology of spiral bevel gear
The research on spiral bevel gears and hypoid gears in foreign countries is early, develops rapidly, and is also very
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Calculation of blank size of large hypoid gear
The parameters of the large end pitch circle diameter, pitch cone angle, and the distance between the intersection and each
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Selection of heating equipment and formulation of heating specification in precision forging of bevel gears
When metal is heated in oxidizing atmosphere (air or furnace gas), it will react with O2, H20 or CO2 to
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Comparison of simulated load of planetary gear pre forging
As shown in the figure, the load stroke curve of the three schemes shows that the load change laws of
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Tooth contact analysis of Cycloid Bevel Gear and hypoid gear
In the design and manufacture of Cycloid Bevel Gears and hypoid gears, in order to check the gear cutting adjustment
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Four machining methods for left tooth surface of hypoid gear wheel
There are many methods for machining the left tooth surface. As long as the relationship between the base cone and
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Other key technologies in precision forging of bevel gears
The blank of precision forging straight bevel gear on the friction press is hot-rolled bar. The manufacturing process is that
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Surface machining technology of spiral bevel gear
Due to the obvious differences between Gleason, Oerlikon and Klingelnberg in the spiral bevel gear technology, gear processing method and
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Design and machining of bevel gear tooth die
Selection of die materials when forming bevel gears by “two forging in one heat”, the die is in contact with
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Establishment of workpiece coordinate system for Hypoid Gears
Hypoid gears need to be machined on the YK2250 gear milling machine, so the coordinate system should be established in
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Structural characteristics of pre forging die for half shaft gear
As shown in the figure, the structure diagram of the pre forging die for the half shaft gear is given.
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Geometric constraints on the design of hypoid gears with small number of teeth and large reduction ratio
For the design of general hypoid gear, AGMA standard requires that the transmission conditions of hypoid gear pair must be
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Analysis of dynamic load characteristics of spiral bevel gear transmission with additional damping ring
According to the method of solving the dynamic load characteristics of spiral bevel gear system, the positive pressure N1 =
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Calculation of precision forging forming force of spur bevel gear
Several common formulas for calculating the precision forging forming force of spur bevel gears are given below. Formula 1: Where
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Establishment of finite element model of bevel gear
1.Mechanical model In the process of precision forging of bevel gear, the elastic deformation part of the material is far
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Stress distribution analysis of planetary gear pre forging simulation
Stress is the internal force per unit area, which reflects the stress of planetary gear blank. Figure 1 and 2
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Structural characteristics of final forging die for planetary gear
As shown in the figure, the structure diagram of the planetary gear final forging die is given. Since the final
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Simulation machining of hypoid gear pinion
The machine tool and tool used for machining hypoid gear small wheel are the same as that of large wheel,
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Analysis of inherent characteristics of spiral bevel gear transmission with additional damping ring
The key to the influence of the damping ring on the dynamic characteristics of the system lies in the positive
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Model selection of precision forging equipment for spur bevel gears
When selecting the tonnage of friction press required for precision forging straight bevel gear, first calculate the precision forging forming
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Analysis of strain rate distribution of planetary gear pre forging simulation
Strain is a physical quantity that represents the magnitude of deformation, the cumulative process of plastic deformation and the development