Determination of initial value of pitch circle radius of large gear of hypoid gear pair
The pitch diameter D2 of the large gear of the hypoid gear pair is directly related to the size of […]
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Study on the load distribution in the tooth direction of involute helical gear
Uneven load distribution of helical gear is a common engineering problem, which should be considered as a key issue in
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Modal analysis and solution of helical gear
According to the set boundary conditions, the helical gear is solved and analyzed, and the 20th order modal value of
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Establishment of finite element analysis model for helical gears
The geometric model of helical gear is established and assembled by using pro/e software. Here, it is agreed that the
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Principle and error analysis of gear hobbing
The machining principle of gear hobbing is shown in Figure 1. Theoretically, during gear hobbing, the gear hobbing hob meshes
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Oil film at contact position of concave bionic cylindrical gear
Using five basic equations and MATLAB software for numerical calculation, select six contact points in the direction of gear tooth
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Initial design conditions of Gleason hypoid gear pair
When calculating the geometric parameters of hypoid gear, Gleason company specifies detailed steps, and each step has a fixed formula.
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Evaluation of tooth surface roughness of spiral bevel gear
Different gear processing methods form the micro complex morphological characteristics of spiral bevel gear tooth surface, which brings difficulties to
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Calculation results and analysis of dynamic contact of helical gear
Figure 1-2 shows the maximum equivalent stress nephogram of the main and driven helical gears, and figure 3-13 shows the
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Ingenious setting of helical gear boundary conditions and calculation of partial order
(1) Set contact pairs For the convenience of analysis and calculation, the helical gear profile is selected through the namedselection
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Contact stress of helical gear in automobile transmission
Due to the complex contact problem of helical gear, further research is needed in the following aspects: ① Fully parametric
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Stress analysis of straight bevel gear in z direction
When different processing methods are selected, the z-direction stress nephogram of the upper surface of straight bevel gear blank is
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Gear tooth profile modification
In recent years, many scholars have done a lot of research on gear modification, and there are many modification methods
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Formation of tooth profile surface of spur helical gear
As shown in the figure, the forming process of the tooth profile surface of the involute straight tooth spur helical
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Limit characteristics of hypoid gear meshing
The induced normal curvature of the two conjugate surfaces is the difference between the normal curvature of the two surfaces,
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Finite element simulation analysis of optimization scheme of spur gear
As shown in Figure 1, the distribution of blank velocity field in the forming process after the optimization of spur
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Analysis steps of dynamic contact stress of helical gear
1. Establishment of dynamic contact model and meshing The solid model is imported into HyperMesh for meshing. The mesh model
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Simplification of helical gear model
Due to the large amount of three-dimensional finite element simulation calculation of helical gear, considering the factors such as computer
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Contour spiral bevel gear cutter
The contour spiral bevel gear milling cutter bar is mostly in the shape of prism, and the cross section in
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Equivalent stress analysis of metal forming force of spur gear
As shown in Figure 1, the second-order effect force field of scheme is shown. As shown in figure a, in
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Principle of helical gear tooth profile modification
The meshing process of helical gear is affected not only by the distribution of tooth profile load, but also by
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Oil film at contact position of smooth cylindrical gear
Using five basic equations and MATLAB software for numerical calculation, select six contact points in the direction of gear tooth
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Dynamic contact stress of helical gears with different backlash
According to the structural parameters of the fourth gear helical gear pair of a heavy truck transmission studied, the dynamic
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Induced normal curvature of hypoid gear pair nodes
In the meshing transmission process of hypoid gear pair, the relative speed of the two gear tooth surfaces at node
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The y-direction deformation of straight bevel gears with different thickness
When the thickness of straight bevel gear blank is 90mm, the y-direction displacement nephogram of straight bevel gear blank with
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Equal height spiral bevel gear milling cutter head
As shown in Figure 1, it is the three-dimensional model of the cutter head established on UG. The contour spiral
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Establishment of hypoid gear blank
The three-dimensional modeling of hypoid gear is based on the establishment of mathematical model. Firstly, the basic curve and gear
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Analysis of metal forming force stroke load curve and die wear of spur gear
The metal forming force of spur gear is the main consideration basis for determining the die size and structure and
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Stress analysis of straight bevel gear in y direction
When two different processing methods are selected, the stress nephogram in Y direction on the upper surface of spur bevel
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Status of spur gear finite element analysis in China
K. Lwang and h.s.cheng used the finite element method to analyze the size and distribution of tooth body temperature of
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Three dimensional contact stress of concave cylindrical gear
1. Equivalent stress analysis of three-dimensional contact of concave cylindrical gear After the calculation, the equivalent stress of the contact
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Additional torque in the processing of spur gear split wheel blank
It can be seen from the cross-section of the straight shaft that the cutting speed of the straight shaft tends
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Kinematic parameters of hypoid gear nodes
Gleason’s idea of designing hypoid gear pair is to calculate the contact parameters of hypoid gear pair. When studying the
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The x-direction deformation of straight bevel gear blank with different thickness
When the thickness of spur bevel gear blank is 90mm, the displacement nephogram in X direction of spur bevel gear
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Analysis on forging load of equal height spiral bevel gear blank
The service life of die and the selection of screw press are closely related to the forming load. Therefore, it
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Equivalent stress analysis of equal height spiral bevel gear forging
The equivalent stress in the forging process of equal height spiral bevel gear is an important analysis index, which affects
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Solid generation of helical gears
① Generation of single helical tooth Using “curved surface → swept”, select the gear profile as the swept section. Since
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Analysis of metal forming velocity field of spur gear
As shown in Figure 1, the velocity field distribution in the blank forming process of scheme 1 is shown. As
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Generation of helical gear profile curve and helix
To establish a curve in CAD, we first need to establish the parameter equation of the curve. The involute equation
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Stress analysis of straight bevel gear in X direction
Taking the 80mm thick straight bevel gear blank model as an example, the x-direction stress nephogram of the upper surface
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Three dimensional contact boundary of concave cylindrical gear
Keep the contact boundary condition with smooth gear consistent with the loading setting treatment method, restrict the degrees of freedom
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Machining deformation of split straight bevel gear
The finite element model simulation and mathematical model calculation of the deformation in the machining process of split straight bevel
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Analysis of additional torque in the process of bevel gear split blank machining
Before bevel gear cutting, the residual stress in the material is evenly distributed and balanced along the thickness direction of
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NC gear milling machine rough milling spiral bevel gear cutting
Based on the harmony search algorithm, the cutting parameter optimization of rough milling spiral bevel gear big wheel and rough
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Determination of pitch cone of hypoid gear
Hypoid gear pair is a transmission device used to transfer the motion and load between spatial staggered axes. According to
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The z-direction deformation of spur bevel gear blank with different thickness
When the thickness of spur bevel gear blank is 90mm, the z-direction displacement nephogram of spur bevel gear blank with
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Tooth profile theory of hypoid gear
The motion form of cylindrical gear pair transmission is pure rolling based on cone, while the motion of a pair
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Finite element simulation analysis of warm forging of spur gear
Taking 18CrNiMo7-6 spur gear as the research object, the finite element models of three schemes are established, and the warm
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Three dimensional contact finite element model of concave cylindrical gear
The three-dimensional solid model of the gear is established by CATIA. After being imported into ANSYS, a series of spherical
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Equivalent stiffness of bending strain energy of straight bevel gear blank
The moment of inertia of the section to the neutral axis of the straight bevel gear blank is different in
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Measure the distance of the steel ball along the axial direction of the involute helical cylindrical gear
First, prepare a large inspection platform, several steel balls with the same diameter (if conditions permit, it is best to
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Contact stress analysis of two-dimensional contact of concave bionic spur gear
As shown in the cloud diagram and partial enlarged diagram of the contact stress distribution of the concave spur gear,
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Equivalent stress analysis of two-dimensional contact of concave bionic spur gear
After the solution is completed, the equivalent stress of the two-dimensional contact of the concave spur gear is displayed by
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Modulus and pressure angle of involute helical cylindrical gear
1.Involute helical cylindrical gear defined by modulus 1) Use the common normal micrometer (or digital caliper) to measure the common
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Formulation of cold forging forming scheme of spur gear
Cold finishing process is the last process in compound forming. It is the key point in the whole process to
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Equivalent stress-strain distribution of spiral bevel gear under different conditions
Taking the initial forging temperature as 1000 ° C, 1050 ° C and 1100 ° C respectively, and the friction
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Simulation results of hypoid gear pair
The motion model of hypoid gear pair is established. The pinion of hypoid gear pair applies a speed of 60R
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Create a single tooth of a hypoid gear
The research shows that the tooth profile of a single tooth of hypoid gear is a closed profile surrounded by
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Two dimensional contact boundary condition and loading setting of concave bionic spur gear
Consistent with the boundary condition setting of the smooth spur gear, restrict the degrees of freedom of all nodes in
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Establishment of two-dimensional model and meshing of concave bionic spur gear
Consistent with the two-dimensional modeling of smooth spur gear, the two-dimensional line contact peripheral contour curve of spur gear is