Cross wedge rolling forming of driving spiral bevel gear blank
The most traditional method of producing driving spiral bevel gear blank in China is pre forging cross forging method, which […]
The most traditional method of producing driving spiral bevel gear blank in China is pre forging cross forging method, which […]
This process is planned to adopt one-time rolling forming. Considering the requirements of cross wedge rolling process on the symmetry
As one of the core parts of the automobile drive axle, the driving spiral bevel gear is easy to be
Spiral bevel gear is the most critical part of the transmission system. The service life and vehicle performance of automobile
Figure 1 shows the engineering drawing of spiral bevel gear bearing structure female die. The outer diameter of the die
Swing rolling of spiral bevel gear is a processing method in which the blank is continuously and locally loaded by
In the swing rolling of spiral bevel gear, there are many factors affecting the forming quality and size of bevel
When using rigid viscoplastic finite element method to analyze metal plastic forming, the material meets the following assumptions: (1) ignoring
In recent years, some scholars have done a lot of research on the rotary forging process. The rotary forging of
Figure 1 shows the equivalent stress distribution diagram of closed die forging of spiral bevel gear. Under four reduction quantities,
1.Establishment of finite element model The finite element model is shown in Figure 1. The forging with gears is formed
Spiral bevel gear is one of the core parts of automobile engine to transmit power. It can transmit large load
When the module, number of teeth, helix angle and process parameters of helical gear are consistent, three groups of different
Taking the forging compound forming process of driving and driven spiral bevel gears as the research object, the feasibility of
Taking a certain type of automobile rear axle spiral bevel gear as the research object, taking the product part drawing
Y. Qin and R. Balendra used abaques simulation software to study the elastic deformation of the die cavity in the
1.Existing process of hot die forging (cross forging) Hot die forging of driving spiral bevel gear blank is the earliest
Because the composite casting and forging process used to produce automobile rear axle spiral bevel gear has not been applied
As the starting point of casting forging compound forming process, whether the process design of casting process and the control
Research overview of spiral bevel gear forging at home and abroad and the application of numerical simulation technology in spiral
The driving and driven spiral bevel gears of the automobile rear axle are the key parts of the automobile rear
Automobile rear axle gear is an important part of automobile drive system. Due to its poor working condition and heavy
The figure shows the metal velocity distribution of different strokes in the cold finishing process of spiral bevel gear, in
As the starting point of casting forging compound forming process, whether the process design of casting process and the control
1. Tooth surface contact analysis of spiral bevel gear Based on the above theoretical methods, the whole process design software
1.Load stroke curve Figure 1 shows the load stroke curve of hot die forging process of different taper schemes of
1.Load stroke curve Fig. 1 is the load stroke curve of spiral bevel gear blank obtained according to the approximate
The figure shows the distribution of equal effect variation in the final step. From the figure, it can be seen
Referring to the tooth size of cold precision forging preform, the closed hot die forging die chamber is designed and
The traditional tooth surface contact mainly includes transmission error and tooth surface contact area. At present, a new analysis method,
CATIA software is used to complete the three-dimensional modeling of upper die, lower die and cold precision forging preforms with
The optimal parameter scheme is numerically simulated and the forming process is analyzed. The following conclusions are obtained: (1) The
The figure shows the equivalent stress distribution diagram of spiral bevel gear at different strokes in the cold finishing process,
The risk of casting forging compound forming process is controllable and the process predictability is strong; Taking the product part
1. Part drawing analysis Figure 1 is the part drawing of the driven spiral bevel gear of the rear axle
Using traditional manufacturing technology to produce high-performance complex parts has become the bottleneck restricting the improvement of product quality and
The data obtained from the on-site measurement of the profile error of spiral bevel gear teeth are the readings XRK
Automobile rear axle (also known as drive axle) refers to the rear drive shaft and related components used to transfer
As one of the main transmission parts of automobile, the driven spiral bevel gear of automobile rear axle has great
Physical simulation is a method based on similarity theory and combined with experiment to study the essence and law of
Use CATIA three-dimensional mathematical modeling software to establish the three-dimensional mathematical models of the upper die and lower die in
In the process of metal plastic forming, most of the deformation work of metal plastic deformation will be transformed into
The analysis of metal flow law can make us more clearly understand the flow law of metal in the forming
Based on the generating principle, the profile error of gear teeth is measured on the machine, and the workpiece needs
Equivalent strain refers to the strain equivalent to unidirectional strain formed by the appropriate combination of various strain components in
During the precision forging process of the driven spiral bevel gear of the automobile rear axle, the load will change
Stress is the internal force per unit area, which reflects the stress of spiral bevel gear blank. Figures (a), (b),
It can be seen from the research that the change of finishing forming force is not only affected by the
Using CATIA V5R21 three-dimensional mathematical modeling software, the three-dimensional mathematical models of upper and lower dies and blanks in the
In the forming process of driven spiral bevel gear of automobile rear axle, the practical application process of precision forging
The blank size, forming temperature, forming speed, friction factor and die structure of the precision forging process of the driven
The node velocity reflects the speed of metal flow at the node at a certain movement time. Figures (a), (b),
Strain is a physical quantity indicating the size of deformation, the accumulation process of plastic deformation and the development process
The unreasonable selection of the finishing quantity will directly affect the filling condition of the tooth profile and the roughness
The speed of forming speed has a very important impact on the processing efficiency and quality of forgings. With the
For the process of precision forging the driven spiral bevel gear of automobile rear axle at different temperatures, the distribution
When the forming temperature distribution of the driven gear is different, the forming temperature distribution of the driven gear always
Analyze the stroke load curve of the forming process of the driven spiral bevel gear of the automobile rear axle
On ABAQUS software, the meshing process of spiral bevel gear is divided into 200 incremental steps. In the dynamic analysis,
The plasticity of metal is related to temperature. The higher the temperature, the better the plasticity of metal. For forging,