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
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Design of warm forging forming scheme for spur gear
Three kinds of warm forging die structures are set according to the structural characteristics of spur gear. As shown in
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Calculation of cutting area of involute gear
In essence, the machining of gear is that the tool continuously feeds along the radial direction of the gear, and
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Stress and deformation analysis of die for equal height spiral bevel gear
In the diestressanalysis module of deform, the die stress is analyzed to study the deformation of die tooth profile in
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Stroke load curve of spiral bevel gear under different conditions
When the friction coefficient is 0.3 and 0.7 respectively, the forming load curve of spiral bevel gear under different initial
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Comparison between numerical simulation results of spiral bevel gear and real object
The forging object of spiral bevel gear blank (without punching and trimming) is shown in the figure. Comparing the numerical
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Analysis of hot forging process and forming effect of equal height spiral bevel gear
The forming effect analysis is mainly used to analyze whether the equal height spiral bevel gear forging is completely filled,
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Calculation results and stress analysis of two-dimensional contact stress of smooth spur gear
1. Equivalent stress analysis of two-dimensional line contact of smooth spur gears The general post processor in ANSYS is used
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Design of hot forging drawing of spur gear
Warm forging is equivalent to the pre forming step of spur gear. The design of pre forging drawing is based
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Geometric relationship at pitch cone of hypoid gear pair
The geometric relationship of pitch cone parameters of hypoid gear pair is shown in the figure, and the included angle
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Modeling before forging simulation of equal height spiral bevel gear
1.Selection of processing temperature and strain rate After drawing the hot working diagram, the appropriate processing temperature and strain rate
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Design of cold forging drawing of spur gear
It is proposed to use the warm and cold composite process to process spur gears. It is divided into pre
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Digitization of spiral bevel gear machining technology in China
The digital machining technology of spiral bevel gear is developed with the gradual maturity of computer technology, information technology, network
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Geometric calculation of equal height spiral bevel gear teeth
Based on the meshing principle of equal height spiral bevel gear, the pitch cone and the base cone are two
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Calculation of tooth number of imaginary plane gear
When using milling cutter for machining equal height spiral bevel gear, the gear cutting principle is the imaginary plane gear