Other parameters remain unchanged. Under different support stiffness of spiral bevel gear driving wheel, the variation of dynamic load coefficient […]
Because spiral bevel gear is widely used in all walks of life, the development of spiral bevel gear processing machine
The vibration characteristics of mechanical system can usually be described by the natural frequency and vibration mode of the system.
Damping ring vibration reduction technology is an effective measure to improve the vibration characteristics of gears. By embedding damping rings
The meshing stiffness of cylindrical gear is usually calculated as a two-dimensional plane problem. The elastic deformation of single tooth
In order to analyze the material flow and stress conditions at different positions of forged spiral bevel gear, six points
During the cold precision forging of spiral bevel gear big wheel, the blank deforms under the loading force of the
Six points are selected on the tooth surface. Points P1 ~ P3 correspond to three positions on the convex surface
According to the characteristics of the forging process, the tooth profile of the spiral bevel gear is trimmed, which is
The forging of spiral bevel gear belongs to complex curved surface forging. As shown in the figure, the forging difficulty
There are still some difficulties in the precision forging process, so the forging of spiral bevel gear has not been
Import the cold precision forging die and blank model of spiral bevel gear into DEFORM-3D software. The specific steps are
In actual processing, forging blanks are mostly formed by pre forging. First, the blank is pre forged into a blank
The precision forging adopts the closed die forging die. During the forging process, the gap between the upper die and
Spiral bevel gear pair conjugate pinion tooth surface Σ 1 modification, in the field of calculation point m, it is
The design of spiral bevel gear includes the determination of basic parameters of gear pair, the selection of tooth cutting
1. Calculation of tooth profile geometric parameters of precision forged small module spiral bevel gears Under the cold forging process,
As the basic transmission parts of the machinery industry, more and more high-strength and multi-purpose gears and gear like products
The mixed lubrication model is composed of basic equations, Reynolds equation is composed of oil film equation, density equation, viscosity
Benedict and Kelley studied the instantaneous contact friction coefficient of spur gears through the gear test bench, and studied the
Spiral bevel gears are widely used in heavy load conditions such as helicopters, ships and automobiles. Their friction characteristics are
In order to measure the profile error of spiral bevel gear on machine, the spatial coordinates and normal vector parameters
Based on the gear meshing principle and the gear cutting principle of spiral bevel gear large wheel, the tooth surface
Combining the research of machine tool adjustment parameters with finite element analysis is of great significance to the research of
In intersecting shaft transmission, spiral bevel gear has the advantages of large bearing capacity, low noise and stable transmission. With
1. NC machining process principle of spiral bevel gear Spiral bevel gear is only a kind of gear transmission, and
The processing technology of spiral bevel gear is to first cut the gear surface, then select some reference points on
The dynamic transmission error of spiral bevel gear system is related not only to the mechanical and geometric properties of
The real tooth surface of large and small wheels is obtained by scanning measurement of spiral bevel gear tooth surface
The pre-processing of spiral bevel gear finite element analysis includes element selection, application of load boundary conditions and setting of
Processing principle of spiral bevel gear: the Simulation wheel is a processed spiral bevel gear, and the unified chuck is
Three finite element models of gear pairs are established on ABAQUS platform: theoretical tooth surface, only large wheel meshing surface
1. Mathematical model of transmission error Figure 1 shows the dynamic model of spiral bevel gear transmission system under elastic
Spiral bevel gear is a key part in the field of mechanical transmission, which transmits motion or power between intersecting
Equal height spiral bevel gear is widely used in automobile, aviation, aerospace and other fields because of its high transmission
According to the cutting parameters of equal height spiral bevel gear determined by simulation and the inclined angle of cutter
① Import the cutter bar and gear blank models established in UG into advancededge software according to the actual machining
The cutting path of contour spiral bevel gear with extended epicycloid cannot be fully simulated in advantageedge software. The actual
The cutting process of equal height spiral bevel gear with different cutting parameters is simulated, then the cutting force and
The tooth surface hobbing method is adopted for the processing of equal height spiral bevel gear, that is, while the
The pre-processing of spiral bevel gear finite element analysis includes the selection of elements, the setting of analysis types, the
The stiffness calculation of spiral bevel gear requires the comprehensive elastic deformation UN of contact force FN and contact position.
Stiffness excitation is one of the main excitation of gear meshing vibration. Determining the elastic deformation and meshing stiffness of
With the development of bevel gear processing and detection technology, bevel gear tooth surface detection and error compensation feedback technology
Because spiral bevel gear has the advantages of stable transmission, suitable for high-speed transmission, and very low noise and vibration,
The spiral bevel gear formed by precision forging has the advantages of reasonable streamline distribution, less material waste and high
The precision forging process of spiral bevel gear has high requirements for pre forming and forging process parameter design. Reasonable
The material deformation, physical field distribution and die elastic deformation of final forging process are analyzed. The shape and size
According to the process scheme of “blanking upsetting punching compound rolling preform final forging”, the rings rolled to the required
The final forging process ultimately determines the quality of forgings, so it is very important to optimize the final forging
In order to study the preform process in the forging process of spiral bevel gear, the thermal mechanical coupling finite
Taking the precision forging process of automobile driven spiral bevel gear as the research object, the metal dynamic law and
As a transmission part, gear has very strict requirements for dimensional accuracy. However, under the forming condition, the die will
In precision forging process, die technology is closely related to the performance, accuracy and processing mode of parts. The development
The workpiece processed by precision forming technology can meet the requirements of parts with little or no processing, so precision
The setting of finite element preprocessing is very important, which not only determines whether the spiral bevel gear can converge
With the continuous development of the world automobile industry, the machining technology of spiral bevel gear is also changing, and
Spiral bevel gear transmission mainly transmits the motion and power between vertical shafts, which requires the existence of bevel gear
Spiral bevel gear is mainly used in high-speed and heavy-duty staggered shaft transmission. The gear pair has compact structure and
Velocity field is a vector to measure the flow of material in the process of plastic deformation. Through the observation
