Scientific

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 figure shows the equivalent stress distribution diagram of spiral bevel gear at different strokes in the cold finishing process,

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

Use CATIA three-dimensional mathematical modeling software to establish the three-dimensional mathematical models of the upper die and lower die in

Based on the generating principle, the profile error of gear teeth is measured on the machine, and the workpiece needs

During the precision forging process of the driven spiral bevel gear of the automobile rear axle, the load will change

Using CATIA V5R21 three-dimensional mathematical modeling software, the three-dimensional mathematical models of upper and lower dies and blanks in the

The node velocity reflects the speed of metal flow at the node at a certain movement time. Figures (a), (b),

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

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,

(1) Forging material The forming metal material selected for the driven spiral bevel gear of automobile rear axle is a

1. Establishment of finite element model According to the structural diagram of closed cold finishing and open cold finishing, the

By changing the die structure and the cone angle of lead billet, the test is carried out on the universal

The three-dimensional geometric modeling of the punch and die is completed by ug-3 software, as shown in the three-dimensional geometric

When forming parts under cold extrusion, the selection of die materials for precision forming of spiral bevel gear should have

Among the designed parts, the tooth shape concave die of spiral bevel gear is the most critical part. Because the

Bevel angle of preform of spiral bevel gear α It has a great influence on the filling fullness of tooth