spur gear

For the analysis of fatigue crack propagation of spur gears, the calculation of crack propagation life of spur gears is

The cracks in practical components are often composite cracks composed of two or more cracks. Considering the random combination of

Most spur gears yield to cyclic load and are widely used in aerospace, wind power generation and other industrial fields.

According to the statistics of scholars, most of the mechanical component failures belong to fatigue failure, accounting for 50% –

The cold extrusion precision plastic forming technology of spur gear has the advantages of saving materials, improving production efficiency, ensuring

The three forming process schemes will be comprehensively evaluated and analyzed from the three aspects of material utilization, production efficiency

In recent ten years, with the rapid development of computer hardware and software technology and the in-depth study of material

Taking the sun gear in a truck wheel reducer as the research object, its part drawing and three-dimensional solid model

The rolling forming process of spur gear improves the production efficiency and material utilization, shortens the processing process, and the

Cold extrusion process is a production technology with high precision, high efficiency, high quality and low consumption, which is widely

The basic forming process of spur gear has its own obvious advantages and disadvantages. It can only solve the problems

The basic principle of split flow forging is shown in Figure 1. It is to set up metal overflow channels

The process principle of floating die is shown in the figure. It was first put forward in 1987 when scholars

The principle of forward extrusion forming process of spur gear is shown in the figure. Under the action of extrusion

The upsetting extrusion process principle of spur gear is shown in Fig. 1, which means that the tooth punch moves

Yang Cheng et al. Analyzed the influence of mandrel exchange, floating die and local upsetting on the precision forging of

In order to make the gear rotate in both directions, the tooth profiles on both sides of the tooth are

Classification Meshing mode Basic feature Spur gear external meshing, internal meshing, gear and rack The contact line of tooth profile

Spur gear is a classification of gears. According to the relative position and tooth direction of a pair of gear

① Aiming at the problems of serious tooth tip collapse, low material utilization, low forming accuracy and low die service

Taking the spur cylindrical gear for truck wheel reducer as the research object, a new compound forming process scheme of

In order to ensure the smooth implementation of cold extrusion production and processing, in addition to having a pair of

In the 1950s, gears were mainly obtained by cutting, and the output was very low. At that time, German Burwell

With its convenient operability and accuracy of simulation results, finite element software helps designers greatly shorten the R & D

For a long time, researchers and scholars all over the world have made unremitting efforts on the deformation law analysis,

Improving the service life of cold extrusion die is the key point of precision forming of large modulus spur gear.