Formation principle of cycloid of hypoid gear
The tooth milling of cycloid hypoid gear is designed according to the principle of “imaginary plane gear” (crown wheel, also […]
The tooth milling of cycloid hypoid gear is designed according to the principle of “imaginary plane gear” (crown wheel, also […]
Hypoid gear is more and more used in the rear axle of automobile because of its high bearing capacity, stable […]
In engineering application, due to machining error, installation error and support deformation, the meshing position of hypoid gear pair can […]
In the current automotive hypoid gear processing methods, generally, when the large wheel cone angle is large, the forming method […]
The mathematical model of hypoid gear with split cutter face rolling cutting method is established. The three-dimensional model of small […]
The motion transmission error of hypoid gear is the main excitation of gear vibration energy. In most hypoid gear equipment, […]
In recent years, China’s automobile industry has developed rapidly. NVH (vibration and noise) performance has attracted extensive attention of automobile […]
In the process of generating, the wheel blank and the forming wheel are hobbed to form a cycloid hypoid gear. […]
According to the cyclo palloid method, the gear is processed with a multi head cutter head. The cutter head adopts […]
Then, the contact analysis of the gear under loading is carried out. The resistance moment applied at the output end […]
According to the gear meshing stiffness calculation model, before calculating the gear meshing stiffness under loading, the transmission error of […]
The established three-dimensional model of hypoid gear is saved in *. STP format and imported into the software HyperMesh for […]
The previous gear meshing model is based on empirical design formula or gear geometric meshing analysis. With the improvement of […]
1. Effect of torque on coincidence degree Calculate the large wheel torque as 1000 n respectively · m、2 000 N […]
The meshing position, meshing force, action direction and meshing stiffness of hypoid gear all change with time period. In the […]
Relevant parameters of hypoid gear. It is defined that the axis of the small wheel is parallel to the x-axis […]
In the dynamic modeling and analysis of hypoid gear system, the meshing relationship of hypoid gear is treated as spring […]
1. Cutter compensation heat treatment distortion The tooth profile of hypoid gear is complex, which has the problems of difficult […]
1. Test purpose In order to more clearly understand the influence of the relative helix angle error of the driving […]
In the process of heat treatment, heating and cooling of hypoid gear, due to the uneven thermal stress and tissue […]
The hypoid gear transmission studied consists of a small hypoid gear and a large hypoid gear. Due to the complex […]
Hypoid gear is a key part in the transmission system of automobile drive axle. Its tooth surface meshing quality directly […]
Hypoid gear is widely used in aviation, automobile and other fields. As an important index to predict its dynamic performance, […]
Hypoid gear is a bevel gear with central axis offset. The tooth surface surface of this type of gear is […]
At 3 000 n · The equivalent time-varying meshing parameters of hypoid gear in one cycle are calculated according to […]
The transmission error curves obtained by finite element method and classical TCA method are compared to verify the correctness of […]
According to the established contact fatigue finite element simulation model of hypoid gear transmission system, the finite element simulation software […]
Gear machining usually has direct generating method and indirect generating method. The direct generation method is to make the cutting […]
Spiral bevel gears and hypoid gears are on hypoid machine tools. The design principle of this machine tool is shown […]
The FH hypoid gear is still used as an example, and the basic parameters of the gear used in the […]
According to the definition of tooth surface error in Chapter 4, it is used to represent the error between the […]
The position of the instantaneous center of motion in the inertial system can be kept unchanged and the transmission is […]
In order to obtain the ideal conjugate surface of the small wheel, according to the theory of the big wheel, […]
In addition to the change of cutter and cutter head parameters, the change of machine tool setting parameters will also […]
Preset transmission error curve The vibration and noise generated by gear meshing mainly come from the transmission error of gear, […]
The influence of five parameters of cutter and cutter head on the tooth surface is analyzed, including tooth profile angle, […]
In order to improve the working performance of FH hypoid gears, a ease off active design method for hypoid gears […]
90 points are selected to reflect the overall error of the tooth surface. 9 points are evenly distributed in the […]
According to the hypoid gear model, the sensitivity of tooth surface errors at different positions to various machining parameters is […]
The FH hypoid gear of high performance drive axle is taken as the research object. The tooth surface modeling, tooth […]
When the gear rotates in the forward direction, the concave surface of the small wheel drives the convex surface of […]
As the tooth surface of FH hypoid gear is relatively complex, it is difficult to mesh directly on the tooth […]
Taking the FH hypoid gear in the above section as an example, according to the gear parameters, the full tooth […]
According to Hertz contact theory, the elastic deformation of tooth surface increases with the increase of contact stress when the […]
The modeling method of FH hypoid gear is shown in Fig. 1 The two tooth surfaces are assembled in the […]
After meshing, the preprocessing file is imported into ABAQUS and set as follows: (1) Material definition: the material parameters of […]
The detailed steps of solving the elliptic boundary and contact line of the instantaneous contact between two tooth surfaces based […]
Face milling (FM) and face hobbing (FH) are widely used in machining bevel gears, hypoid gears and other complex curved […]
The FH hypoid gear is mainly studied. Firstly, the tooth surface modeling is carried out by cutting simulation, and the […]
There are a series of performance requirements in gear working process, such as tooth surface bearing capacity, installation tolerance and […]
In the 1940s, Gleason company Ernest wildhaber proposed the pitch surface model of hypoid gears, which made the model become […]
TCA is to use computer simulation to analyze the contact marks and transmission error curves of gear teeth under no […]
There are two kinds of machining methods for hypoid gears, one is to use single index end face milling Face […]
The imaginary profile wheel is composed of the path of the blade in the virtual machining process, and the number […]
The tooth surface of hypoid gear is more complex, and it is sensitive to the changes of tool and cutter […]
With the rapid growth of China’s automobile consumption market, China has become a big automobile production and marketing country. Therefore, […]
The spiral bevel gear and hypoid gear are important parts in the transmission devices of automobile, tractor, sewing machine, engineering […]
It can be seen from the calculation model of gear mesh stiffness that before calculating the gear mesh stiffness under […]
Compared with spiral bevel gear drive, hyperbolic gear drive has the following advantages: (1) In the working process, there is […]
The offset is positive for cases 1 and 4; negative for cases 2 and 3 (Fig. 10). The spiral pinion […]