Calculation of Profile Modification Element Values for Spur Gears Based on ISO Standards
Three elements of spur gear modification: maximum modification amount of tooth profile Δ Max, straight tooth profile modification length L, […]
Three elements of spur gear modification: maximum modification amount of tooth profile Δ Max, straight tooth profile modification length L, […]
Taking a pair of small gears and large gears meshed by cylindrical spur gears as an example, it is known […]
To verify the effectiveness of the method, the method that considers the true transition curve but does not modify the […]
The elastic deformation analysis and time varying meshing stiffness (TVMS) calculation of spur gears have long been important and difficult […]
Extract the theoretical rotation angle of the driving wheel within 0.17s-0.175s of the stable stage of the spur gear pair […]
Based on the model in Figure 1, the center distance deviation is set to 0.06 mm, the rotational speed n […]
The vibration reduction and noise reduction of cylindrical spur gear transmission has always been a focus of attention in the […]
Because the range method cannot derive the contribution of each factor to the evaluation index, it is also necessary to […]
Perform Fourier transform on the meshing force curve of the spur gear pair in Figure 1 to obtain the spectrum […]
Based on the graph model, the finite element models of spur gear pairs with center distance deviations of 0 mm, […]
Through dynamic simulation and orthogonal experimental design of spur gears, the influence of slot hole structural parameters on the vibration […]
Gear Number of teeth z Modulus m/mm Modification coefficient x pressure angle α (/ °) Tooth top height coefficient hα* […]
In recent years, with the popularization of electric vehicles, the requirements for vibration and noise performance of spur gear transmission […]
The vibration response of spur gear pairs during meshing varies with boundary conditions. This section establishes a finite element model […]
The angular acceleration amplitude at the meshing frequency is taken as the evaluation index of the system, and the angular […]
Since the rigid body shell of the inner ring of the spur gear driving wheel is fully constrained, the theoretical […]
Extract the theoretical rotation angle of the driving wheel within 0.17s-0.175s of the stable stage of the spur gear pair […]
The total meshing force F of a spur gear pair in the direction of the meshing line can be expressed […]
The main excitation in a spur gear pair system comes from gear tooth meshing. When the meshing frequency of the […]
In order to study the impact of different center distance deviations on the stiffness of a gear tooth during a […]
The time-varying meshing stiffness of spur gears is one of the main factors that cause impact and noise in spur […]
Gear hobbing is widely used in the manufacturing industry to produce high-quality straight cylindrical gears and helical cylindrical gears. Like […]
Take the traction spur gear of a certain type of locomotive as an example to calculate the actual coincidence before […]
When the spur gear teeth enter the double-tooth meshing area, the two pairs of teeth theoretically contact at the same […]
Vibration characteristics of spur gear pair based on the randomness of error and tooth surface friction: (1) Using the method […]
With the development of spur gear transmission system towards high speed and high power density, how to solve vibration and […]
Ideally, the meshing form of spur gear pair is shown in Figure 1. It can be seen that one end […]
The large number of studies have proved that dynamic excitation is the main cause of spur gear vibration, which is […]
(1) Time-varying meshing stiffness Because the gear teeth will produce elastic deformation when the gear is engaged, and the gear […]
Set the initial state of the spur gear pair to zero, set the rectangular peeling at the pitch circle of […]
The dynamic model of 8-DOF spur gear pair is established by Lagrange equation. The system equation is: Where: FM is […]
For tooth surface contact temperature: Δ T. Mainly determined by the temperature of spur gear body Δ M and tooth […]
It is assumed that the spalling fault shape of spur gear driving tooth surface is matrix (as shown in Fig. […]
Involute spur gear pair is widely used in modern mechanical system because of its excellent performance. The working performance of […]
Select a spur gear to calculate its stiffness. The reason why spur gear is selected as the research object is […]
From the previous analysis, as long as the elastic deformation of the gear teeth is obtained, the time-varying meshing stiffness […]
The dynamic excitation caused by the time-varying characteristics of meshing stiffness during gear meshing is called stiffness dynamic excitation of […]
Since the early 1970s, people have begun to use the finite element method to calculate the elastic deformation and tooth […]
1. Data preprocessing Because the point cloud data of the involute cylindrical spur gear measured by the three coordinate machine […]
According to the linear fatigue cumulative damage theory Miner theory, the stress amplitude of each stress level will cause certain […]
1. Verification of tooth profile shape in reverse engineering software The figure shows the tooth profile in the reverse engineering […]
Taking involute spur gear as an example, this paper explains the mapping, calculation and verification of involute spur gear. In […]
When the nominal stress method is used to calculate the contact fatigue of spur gear of reducer, it is mainly […]
The parameter verification of involute spur gear reverse engineering includes modulus, tooth shape angle, crown height coefficient, tooth root height […]
1. Determine the modulus, tooth profile angle, top height coefficient and tooth root height coefficient When determining the module, tooth […]
The primary link of physical reverse engineering is reverse engineering point cloud data acquisition, also known as the digitization of […]
In the driving process of electric vehicles, the gearbox is one of the main causes of vehicle noise. At this […]
Because the “cantilever beam” model is quite different from the real spur gear, the material mechanics method is difficult to […]
In the field of tooth bending strength calculation, the tooth bending strength formula including “tooth shape parameters” based on parabolic […]
Spur gear transmission is the most important transmission mode in mechanical equipment. It has the advantages of high transmission efficiency, […]
Take the center distance between the straight cylindrical gear hob and the straight cylindrical gear α Installation error e α= […]
Based on Mathematica software, draw the right tooth surface of one tooth of spur cylindrical gear, and combine the right […]
Gear as the core mechanical foundation. Despite the high requirements for the manufacturing and installation accuracy of gears, with the […]
According to the parameters of spur gear, the indexing circle radius R2 of spur gear is: Where: M2 — modulus […]
The pressure equation at any point on the spur tooth surface of the cylindrical gear α , The expanded length […]
Spur cylindrical gear coordinate system: SG, (OG: XG, YG, ZG) take the center of spur cylindrical gear as the origin […]
Before the 1990s, the research and production of gear forging were mainly based on physical simulation. That is because the […]
The research on spur gear forging at home and abroad mainly focuses on the precision forging of spur gears. The […]
Ensure that the diameter of the spur gear is 3600mm, change the modulus of the spur gear to make it […]
The load distribution rate of spur gear in the double tooth meshing area near the root of the tooth is […]