Optimization of helical gear compound modification scheme
(1) Gear profile optimization modification+tooth direction drum modification Figures 1, 2, 3, 4 and 5 respectively show the composite modification […]
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Influence of pressure angle on meshing performance of helical gear pair
(1) Influence of pressure angle on transmission error of helical gears Figure 1 shows the relationship curve between pressure angle
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Optimization analysis of helical gear tooth profile modification
(1) Optimal modification of linear addendum with long tooth profile Figures 1, 2 and 3 respectively show the simultaneous long
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Construction of contact finite element model of spiral bevel gear
After obtaining the cutting adjustment parameters and cutter head parameters of the large and small gears of spiral bevel gear,
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Spur gear meshing impact excitation
Ideally, the meshing form of spur gear pair is shown in Figure 1. It can be seen that one end
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Formulation of modification scheme for helical gear pair
(1) Selection of long and short modification methods Long modification refers to the repair and removal of the part from
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Solution of internal excitation of spiral bevel gear meshing
Through the above contact characteristic control methods and contact area analysis methods, we can easily obtain the desired contact area
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Helical gear contact strength and bending strength check
For helical gear pair transmission, the number of rotation cycles of the pinion is more than that of the big
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Analysis of spur gear error excitation
The large number of studies have proved that dynamic excitation is the main cause of spur gear vibration, which is
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Analysis of influence law of contact characteristics and control parameters of spiral bevel gear
It can be seen from the figure that with the increase of the inclination angle of the large and small
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Stiffness excitation analysis of spur gears and helical gears
(1) Time-varying meshing stiffness Because the gear teeth will produce elastic deformation when the gear is engaged, and the gear
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Contact characteristic control and cutting adjustment calculation of face hobbing spiral bevel gear
The spiral bevel gear processed by face hobbing adopts the principle of indirect generation method to ensure that the large
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Establishment of nonlinear vibration mathematical model of helical gear pair
Under the ideal condition that all components in the gearbox except the helical gear are regarded as absolute rigid bodies
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Tooth modification of helical gears for reduction gearbox of electric vehicles
As shown in Figure 1 (a), under ideal or no-load conditions, the helical gear pair can mesh smoothly and bear
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Determination of pitch cone of spiral bevel gear with end face hobbing
The spiral bevel gear for face hobbing of spiral bevel gear generally adopts equal height tooth system, and its root
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Tooth profile modification of helical gears for reduction gearbox of electric vehicles
In order to solve the problem of serious squealing and knocking noise of helical gears in the reduction gearbox, improve
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Knocking noise of helical gear
Knocking mainly occurs on the helical gear box components such as meshing no-load helical gear, synchronizer and sliding sleeve. Due
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Analysis on the principle of continuous tooth division in face hobbing of spiral bevel gear
The forming process of bevel gear face hobbing can be regarded as a meshing transmission between the generating wheel and
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Experimental results of conjugate curve bevel gear machining
The contact spots of three new bevel gears are shown in Figure 1. It can be seen that for single
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Helical gear squealing noise
Helical gear squeal is a kind of pure noise with medium high rate and low sound pressure level, which is
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Five point contact equiangular spiral bevel gear
According to the method, the equiangular spiral bevel gear with five point contact can also be constructed. Because the section
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Force analysis of equal angle spiral bevel gear
The finite element method is still used to analyze the force of bevel gear model. The grid size setting, physical
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Equiangular spiral bevel gear model
Based on the design process, the equiangular spiral bevel gear with discontinuous pure rolling contact can be designed. To change
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Force analysis of long epicycloid bevel gear
Similarly, the finite element method is still used to analyze the force of pure roll contact long epicycloid bevel gear.
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Research on NC machining technology of spiral bevel gear
The application of fully NC spiral bevel gear machining equipment greatly improves the machining accuracy of spiral bevel gear, and
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Machining coordinate system of gear milling machine with spiral bevel gear forming method
As shown in Figure 1, the machine coordinate system for machining spiral bevel gear big wheels by forming method contains
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Long epicycloid bevel gear model
It can be seen that the tooth surface shape of pure roll contact long epicycloid bevel gear can be controlled
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Bevel equation of spiral bevel gear wheel face
In the process of spiral bevel gear cutting, the external and internal blades on the cutter head first contact the
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Tooth surface model of long epicycloid bevel gear
The tooth surface of long epicycloid bevel gear can be obtained by conjugate surface theory. Insert the tool into the
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Equation of generating surface of spiral bevel gear insert
When the spiral bevel gear is machined with the forming method, the internal and external cutting edges rotate around the
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Contact locus of long epicycloid bevel gear
Long epicycloid bevel gear refers to the bevel gear whose tooth line is a long epicycloid. In the current industrial
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Force analysis of equidistant spiral bevel gear
Due to the generality of the finite element method, the force analysis of pure rolling contact isometric helix conjugate curve
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Forming principle of line contact curve cylindrical gear
The basic method for machining linear contact curve cylindrical gear pairs with single edge milling cutter head is as follows:
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Equidistant spiral bevel gear model
Spiral bevel gear cone equidistant helix is characterized by the rotation of helix, radial motion and axial motion. These three
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Load bearing contact analysis theory of equiangular spiral bevel gear
After solving the finite element model, the force distribution of pinion and big gear in power transmission can be obtained.
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Load bearing contact analysis of equiangular spiral bevel gear
Tooth surface loading contact analysis is a very important method to evaluate the contact performance of spiral bevel gear pair.
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Equiangular spiral bevel gear model
On the cylindrical surface, the equiangular and equidistant helix are unified, that is, the equiangular helix is also the equidistant
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Dynamic performance index of straight bevel gear transmission
In the research field of straight bevel gear dynamics, the indexes commonly used to evaluate the dynamic performance of straight
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Determination of tooth side clearance of straight bevel gear
The tooth clearance of straight bevel gear will affect the dynamic performance of straight bevel gear transmission and cause impact
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Calculation of meshing stiffness and meshing damping of straight bevel gear
If you want to solve the dynamic equation of straight bevel gear pair, you need to get the values of
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Physical and chemical analysis of bevel gear
(1) The chemical composition analysis detects whether the chemical composition of the materials selected for bevel gear meets the technical
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Dynamic equation of straight bevel gear and its dimensioning
According to Newton’s second law and the balance condition of force, the dynamic equation of the straight bevel gear transmission
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Analysis of micro morphology of bevel gear fracture
The fracture surface of bevel gear was observed by scanning electron microscope. Fig. 1 shows the SEM morphology of the
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Dynamic model of straight bevel gear
Straight bevel gear transmission is an important power transmission system in automobile and aviation machinery. Its dynamic behavior directly affects
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Dynamic performance analysis of involute straight bevel gear transmission system
1) Inherent characteristic analysis At present, the analysis of the natural characteristics of involute straight bevel gear system generally includes
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Transmission error analysis of involute spur bevel gear transmission system
Compared with meshing stiffness and backlash, transmission error is the main internal excitation of involute spur bevel gear system. The
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Analysis of Involute Gear Coincidence and Meshing Parameters
1. Definition and Calculation of Coincidence The ratio between the length of the actual meshing line and the pitch of
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Determination of modification mode of involute straight bevel gear
The modification length and modification curve need to be selected for the modification along the tooth profile direction. In the
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Determination of modification parameters of involute straight bevel gear
In order to improve the dynamic performance of straight bevel gear system, it is necessary to solve the appropriate modification
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Three dimensional solid modeling of involute straight bevel gear
SolidWorks is a three-dimensional modeling software developed based on Windows system. It has the characteristics of powerful function, easy to
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Formation of spherical involute of spur bevel gear based on SolidWorks
The establishment of three-dimensional model of spur bevel gear is the basis of dynamic simulation analysis. The accuracy of solid
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Modification technology of straight bevel gear
With the development of mechanical industry modernization, the straight bevel gear transmission system with high load-bearing, high efficiency, high speed
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Measurement of tooth surface deviation of spiral bevel gear
First press the green start button in Figure 1 to start the gear measuring center, and then start the supporting
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Gearbox power matching
At present, most agricultural tractors in China use mechanical gear transmissions, which use meshing sleeves or synchronizers to shift gears.
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Experiment of two axis linkage point milling of spiral bevel gear
Based on the theoretical analysis of two-axis linkage gear cutting, computer processing simulation analysis, the principle prototype of gear cutting
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Design and machining of spiral bevel gear blank
The tooth blank material selected for the tooth cutting experiment of spiral bevel gear is nylon, and the profile shape
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Development of principle prototype of two axis linkage gear milling machine for spiral bevel gear
According to the scheme and structure design of two axis linkage gear cutting of spiral bevel gear and the simulation
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Design of key parameters and establishment of model of spiral bevel gear cutting tool
For the design of point milling cutter, this section takes the more common finger cemented carbide end milling cutter as
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Experimental verification and analysis of herringbone gear symmetry deviation
1. Closed power flow herringbone gear test bench Compared with the traditional open power flow test-bed, the closed power flow
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Simulation of axial vibration characteristics of herringbone gear system
According to the measured symmetry deviation, it can be known that in herringbone gear transmission system, the relative left rotation