Mechanism of tooth surface distortion in machining helical gear with profile modification
Worm machining helical gear is mainly realized by changing the center distance between cutter and gear along the tooth width […]
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helical gear
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Improvement of tooth surface distortion in machining helical gear with profile modification
As shown in Fig. 1, the tooth surface of the modified helical gear obtained by changing the center distance is
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Definition of twist coefficient of tooth surface in machining helical gear with profile modification
The phenomenon of tooth surface twist refers to the torsion of tooth surface along the direction of tooth width. As
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Derivation of tooth surface equation of helical gear with profile modification
Worm or hob machining helical gear coordinate system is shown in the figure, S1 is worm or hob coordinate system,
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Transient dynamic analysis results of marine helical gear
In the process of helical gear meshing, because the hardness of the gear shaft is higher than that of the
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Time varying load torque of marine helical gear driven wheel
The MNF file generated in ANSYS is used to replace the ring gear on the wheel hub, that is to
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Research on dynamic characteristics and profile modification of marine helical gears
The dynamic characteristics of marine gearbox transmission system directly affect the fatigue life of gear and the transmission efficiency of
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Finite element quasi static contact analysis method for helical gears
The mesh quantity and quality of the finite element model directly affect the speed and accuracy of the calculation results.
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3D geometric model of helical gear
Taking the gear pair in gear parameters as an example, the three-dimensional geometric model of four groups of gear pairs
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Distortion mechanism and meshing performance of helical gears with profile modification
Gear is an important basic part of industrial equipment. With the development of modern industrial technology, higher requirements are put
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Finite element model of marine helical gear with backlash
In the process of helical gear transmission, the tooth surface contact deformation is caused by sudden change load, and the
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Finite element analysis on quenching process of transmission helical gear
In the quenching process of automotive transmission helical gear, the control of temperature, stress and thermal deformation has always been
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Comparison and analysis of time-varying meshing stiffness of helical gears
According to the international standard of iso6336-1-2006, the average meshing stiffness of a gear is regarded as the total stiffness
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Total time-varying meshing stiffness of helical gears
According to the above-mentioned time-varying meshing stiffness equation of helical gear, the contact line of helical gear pair is used
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Validation of finite element method for helical gear time varying meshing stiffness
In order to study the time-varying meshing stiffness of helical gears, a three-dimensional model is established by three-dimensional software, and
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Helical gear contact line
When a pair of helical gears are engaged, the contact line of the two gear surfaces is a straight line
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Establishment of stiffness equation of helical gear under spalling fault
The tooth spalling model is shown in Figure 1, where SH is the depth of tooth spalling, SL is the
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Time varying meshing stiffness principle of helical gear
When the potential energy method is used to solve the time-varying meshing stiffness of spur gear, the meshing stiffness mainly
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Unit contact line load of helical gear
Calculation of contact line length of helical gear The length of contact line of helical gear has a great influence
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Calculation of engagement length and coincidence degree based on helical gear
1.Actual meshing line length of tooth profile In the transmission process of helical gear, the meshing line of tooth profile
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Research on contact degree and unit contact line load based on helical gear
Helical gear is widely used in high-speed and heavy-duty transmission because of its smooth transmission, strong bearing capacity, low noise,
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Unit contact line load of helical gear
Calculation of contact line length of helical gear The length of contact line of helical gear has a great influence
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Calculation of engagement length and coincidence degree of helical gears
Actual length of meshing line of tooth profile In the process of gear transmission, the meshing line of tooth profile
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Research on contact degree and unit contact line load based on helical gear
Helical gear is widely used in high-speed and heavy-duty transmission because of its smooth transmission, strong bearing capacity, low noise,
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Vibration reduction effect of tooth surface modification on two stage high speed helical gear transmission
In order to test the vibration reduction effect of two-stage high-speed helical gear transmission after modification, and to compare the
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Vibration reduction effect of tooth surface modification on single stage high speed helical gear transmission
In order to test the vibration reduction effect of single-stage high-speed helical gear transmission after modification, the time-varying meshing stiffness
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Research prospect of high speed helical gear transmission system for electric vehicles
Although the vibration characteristics of high-speed helical gear transmission of an electric vehicle reducer are studied, some practical conclusions are
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Effect of tooth surface modification on load distribution of high speed helical gear
The gear contact analysis is carried out by using romax software, and the normal load per unit length of the
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High speed helical gear transmission system of electric vehicle
Taking the high-speed helical gear transmission of an electric vehicle reducer as the research object, firstly, the time-varying meshing stiffness
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Influence of tooth surface modification on load transmission error of high speed helical gear
In the gear transmission system, the ideal gear will drive according to the constant transmission ratio. However, in practical engineering,
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Tooth surface modification design of high speed helical gear transmission vibration tooth surface modification
Dynamic modeling is the basis of simulation analysis. The simulation model of high-speed helical gear transmission system of an electric
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Influence of tooth surface modification on vibration characteristics of high speed helical gear transmission
Vibration and noise reduction of electric vehicle reducer is an important part of vehicle design, and reasonable tooth surface modification
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Influence of tooth surface modification on vibration characteristics of high speed helical gear transmission
Vibration and noise reduction of electric vehicle reducer is an important part of vehicle design, and reasonable tooth surface modification
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Influence of tooth surface modification on vibration characteristics of high speed helical gear transmission
Vibration and noise reduction of electric vehicle reducer is an important part of vehicle design, and reasonable tooth surface modification
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Vibration characteristics of two stage helical gear transmission under meshing impact excitation
The vibration characteristics of two-stage helical gear drive under meshing impact excitation are further analyzed, and the vibration response of
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Vibration characteristics of high speed helical gear transmission under combined excitation
In order to study the influence degree of two kinds of excitation factors on the system vibration, the vibration speed
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Vibration response of high speed helical gear drive under combined excitation
The obtained time-varying meshing stiffness curve and meshing impact curve are input into the dynamic equation group at the same
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Influence of time varying meshing stiffness amplitude on vibration characteristics of high speed helical gear transmission
In order to study the influence of the amplitude of time-varying meshing stiffness on the vibration characteristics of the system,
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Influence of mean value of time-varying meshing stiffness on vibration characteristics of high speed helical gear transmission
In order to study the influence of the mean value of the time-varying meshing stiffness on the vibration characteristics of
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Vibration response of high speed helical gear driven by time varying meshing stiffness
The time-varying meshing stiffness curve obtained above is input into the dynamic equations to obtain the vibration response of single-stage
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Vibration characteristics of high speed helical gear transmission excited by time varying meshing stiffness
The dynamic model of an electric vehicle reducer is established, and the time-varying meshing stiffness curve and meshing impact curve
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Bending torsion shaft dynamic model of single stage helical gear transmission
Taking a high-speed helical gear transmission of an electric vehicle as the research object, the structure diagram is shown in
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Calculation of meshing impact force amplitude of helical gear transmission
Due to the mass and inertia of the gear, the meshing impact speed will produce meshing impact force. The size
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Calculation of meshing impact velocity of helical gear transmission
From the above analysis, it can be seen that the gear error and the loaded deformation of the gear teeth
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Vibration characteristics of two stage helical gear transmission excited by time varying meshing stiffness
After solving the differential equations, the vibration acceleration of two teeth in each direction is synthesized into “the relative vibration
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Determination of external meshing point position of helical gear transmission
In the figure, OP is the center of the driving wheel, og is the center of the driven wheel, P
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Influence of meshing impact time on vibration characteristics of high speed helical gear transmission
In order to qualitatively study the influence of meshing impact time on the vibration characteristics of helical gear transmission, the
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Vibration response of high speed helical gear transmission under meshing impact excitation
In order to study the vibration characteristics of single-stage helical gear transmission system under meshing impact excitation, the obtained meshing
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Determination of external meshing point position of helical gear transmission meshing impact line
The main error items of gear are: base pitch deviation Δ FPB, tooth profile error Δ FF, tooth alignment error
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Analysis and calculation of meshing impact of helical gear transmission
In the whole meshing area of gear pair, the meshing point of error free gear transmission is always on its
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Analysis on vibration characteristics of high speed helical gear transmission system of electric vehicle
Taking the high-speed helical gear transmission of an electric vehicle reducer as the research object, the vibration characteristics of the
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Research status of high speed helical gear transmission system for electric vehicles at China and abroad
Due to its advantages in efficiency, service life and application range, gear transmission has become an indispensable part of the
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Scheme of high speed helical gear transmission system for electric vehicle
As the most commonly used motor centralized drive transmission system of electric vehicles, the motor is directly connected with the
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High speed helical gear transmission of electric vehicle
The transmission system of automobile is one of the core competitiveness of automobile. The transmission system of traditional fuel vehicle
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Meshing impact mechanism of helical gear
In the process of gear transmission, there is a deviation between the actual base pitch and the theoretical pitch due
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Analysis and calculation of meshing impact of helical gear transmission
In the whole meshing area of gear pair, the meshing point of error free gear transmission is always on its
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Comparative analysis of calculation results of helical gear time-varying meshing stiffness
In order to compare the time-varying meshing stiffness results obtained by the three calculation methods of material mechanics method, finite
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Effect of Variation of Tooth Thickness of Helical Bevel Gear on Stress of Gear Pair
Tooth thickness is an important parameter for balancing the fatigue life of large and small wheels.Since the number of small
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Fatigue bearing capacity of helical bevel gears
Bending fracture of teeth and pitting and flaking of tooth surface are the two most common failure modes of main
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Positioning Elements for Machining Helical Bevel Gears
The locating elements for spiral bevel gears are V-shaped blocks and press plates. After positioning the workpiece, before drilling, it