Symmetrical double cone roll rolling technology and rotary rolling technology are the same technology of local pressurization and continuous accumulation […]
In the traditional technology, the processing of spiral bevel gear should go through the processes of heat treatment before blank […]
1. Modeling of gear tooth surface Importing the data of tooth surface points into UG can generate tooth surface pieces. […]
Whether the forging can be out of the die is an important factor that must be considered in forging. The […]
Taking the small module spiral bevel gear as an example, the cold precision forging simulation research is carried out. The […]
The tooth surface with good meshing performance is the basis for creating precision forging die. Therefore, the premise of using […]
The forging technology of straight bevel gear is gradually mature, which provides a certain technical basis for the forging of […]
The geometric dimension of the wheel blank is the basis for the design and processing of the spiral bevel gear […]
In order to verify the accuracy of machining parameter calculation, the ease off difference tooth surface is constructed for contact […]
The numerical differentiation method is used to calculate the numerical differentiation of the formula, calculate the main direction and main […]
According to the production principle of spiral bevel gear pinion, the coordinate system shown in the figure is established to […]
Gear mechanism is one of the most widely used transmission mechanisms in various mechanical mechanisms. It relies on the direct […]
Cylindrical gear is widely used in high-speed and heavy-duty occasions because of its compact structure, strong bearing capacity and stable […]
1. Large tooth surface of spiral bevel gear Σ2 production and its equation The double-sided hobbing method is generally used […]
Spiral bevel gear is mainly used in high-speed and heavy-duty staggered shaft transmission, with small overall structure and large transmission […]
Spiral bevel gear is widely used in the field of mechanical power transmission. Its meshing theory and manufacturing technology have […]
After the sliding friction coefficient at the instantaneous meshing position of spiral bevel gear is solved by the formula, the […]
a. Based on the contact analysis model and hybrid lubrication analysis model of spiral bevel gear, the changes of friction […]
The point contact problem of conjugate surface of spiral bevel gear can be represented by the elliptical contact model shown […]
First, a limit tooling is added to the simple induction positioning tooling, that is, the welding limit bolt is used […]
In order to analyze the lubrication characteristics of spiral bevel gears, it is necessary to analyze the contact of spiral […]
According to the above optimization results, after technical communication with the customer and approval, the technical requirements for adjusting the […]
The supplier has a solid-state heating equipment with a water temperature of ± 10.38 ~ 30 kHz and a water […]
The raw material of driving spiral bevel gear is 20CrMoH steel in accordance with GB / T 5216-2014 structural steel […]
By analyzing the vertical forging process, it can be found that there are three stages from the beginning to the […]
By analyzing the metal flow, stress and strain, temperature, die load and damage of the blank in the process of […]
1. 3D model of equidistant spiral bevel gear According to the actual use and the characteristics of the gear, with […]
Small module spiral bevel gear is widely used in fields requiring intersecting shaft transmission, such as electric tools, mechanical instruments, […]
Considering the practical engineering application and the material library of Moldex3D simulation software, this paper uses alloy powder as metal […]
It can be seen from Fig. 1 that the stress distribution near the bevel of the extrusion die is also […]
Although the production efficiency of cross wedge rolling forming active spiral bevel gear blank is very high, the material utilization […]
(1) Metal flow field during hot extrusion Figure a ~ C in Figure 1 shows the metal flow state at […]
(1) Stress analysis of vertical forging process It can be seen from Figure 1 that the stress at the conical […]
The damage value in deform does not indicate whether there is damage, but the possibility of defects in this part […]
(1) For the cross wedge rolling process to form the driving spiral bevel gear blank, can we consider selecting the […]
Due to the material head, the material utilization rate is not high and the coaxiality of the product is not […]
During the rolling process, the rolled piece begins to fold in the wedge section II, and the shaft is rolled […]
Use the measuring tool in dfeorm post processor to measure the dimensions of each part of the spiral bevel gear […]
After the end of the wedge section, the forming of the workpiece is coming to an end, and the parts […]
The process adopts two processes: first, the rod is rolled by cross wedge rolling, and then the cone head is […]
As one of the core parts of the automobile drive axle, the driving spiral bevel gear is easy to be […]
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 […]
