Relationship between forging energy consumption and initial forging temperature of spiral bevel gear
The process initial forging temperature of spiral bevel gear forging is 1000-1100 ° C. here, we discuss the relationship between […]
The process initial forging temperature of spiral bevel gear forging is 1000-1100 ° C. here, we discuss the relationship between […]
Through the stress-strain analysis and temperature analysis of spiral bevel gear blank after hot forging, we know that it is […]
The strain distribution of helical gear blank during final forging is shown in the figure. The maximum strain during final […]
(1) The hot forging process of spiral bevel gear blank is completed at high temperature, and the metallographic structure of […]
Based on the research of bionics theory, combined with the characteristics of automobile gear meshing transmission, and based on the […]
The extrusion forming method is proposed to realize the bar drawing, and the extrusion drawing process is numerically simulated by […]
The hot forging simulation forming process of spiral bevel gear wheel is similar to the cold forging process. The model […]
Due to the high cost of precision forming and high requirements for equipment, the production method of plastic forming blank […]
Forging is a plastic forming processing method, which uses various pressure machines to exert pressure on the metal blank under […]
There are roughly two methods for precision forging of gears: (1) Traditional closed die forging Closed die forging, also known […]
When the friction coefficient is 0.3 and 0.7 respectively, the energy consumption curves of iterative steps under different initial forging […]
The iterative step load curve of the general forming process of spiral bevel gear blank is shown in the figure, […]
Take three points as shown in Figure 1 to study the changes of stress, strain and temperature with time in […]
Warm cold composite forming technology is a new process abroad in the 1970s, but it was not widely used in […]
Extrusion is a plastic forming processing method that applies pressure to the spiral bevel gear blank in the die cavity […]
The forging process of driving spiral bevel gear blank also includes four steps: heating, drawing, die forging and trimming. That […]
The swing rolling forming process of spur bevel gear is studied. The forming process law of spur bevel gear is […]
The forging object of spiral bevel gear blank (without punching and trimming) is shown in the figure. Comparing the numerical […]
A-F in the figure is the tooth direction error diagram of 24 teeth of the pit type large gear after […]
The equivalent stress distribution of spiral gear blank during final forging is shown in the figure. The maximum stress during […]
Spiral bevel gear is the key transmission part of many important machines and is widely used. Forging spiral bevel gear […]
Gear transmission device is an important component widely used in mechanical equipment. Today, with the rapid development of industrial production, […]
Forging is one of the main ways of manufacturing spiral bevel gears. The forging of spiral bevel gear can be […]
The die drawing process of spiral bevel gear precision forging is simulated in DEFORM-3D. The specific simulation process is as […]
Thermal wear and thermal fatigue analysis of forging die are two main forms of thermal failure, which can significantly improve […]
China’s gear manufacturing industry started relatively late. It began to produce gears in the s of the last century and […]
Spiral bevel gear is a kind of transmission part that can drive stably and low noise according to stable transmission […]
Due to the characteristics of rotary forging process, its motion form is different from traditional forging and has its particularity […]
According to the production practice of spur gear, the elastic deformation in the forming process of spur gear blank is […]
The forming load time curve of straight bevel gear blanks with different shapes is shown in the figure. From the […]
Because the bevel gear transmission system has no redundant design, when the independent hypothesis is used for reliability analysis, the […]
In the case of the same volume and the same upper and lower bottom diameter, it is quite cumbersome to […]
As an analysis method in the process of metal plastic forming, numerical simulation does not need to build physical models, […]
A lot of simulation research has been carried out on the production process of driven spiral bevel gear blank and […]
From the observation of the factors affecting the forging difficulty of spiral bevel gear small wheel, the volume of spiral […]
At present, Britain, Japan, China, the former Soviet Union and Poland have done a lot of work on the research […]
When the contact stress of automobile gear is too large, the plastic flow of tooth surface metal due to yield […]
(1) Stress analysis method of spiral bevel gear die DEFORM-3D software has two methods for stress analysis of spiral bevel […]
The magnitude of equivalent effect variation reflects the deformation degree of metal. As shown in the figure, the typical equivalent […]
In the rotary forging process of spur gear, the contact area between the swing head and spur gear blank is […]
The hot forging cold finishing method is used for the experiment. Because the forging simulation of small wheel shows that […]
Figure 1 intuitively reflects the forming conditions of blanks with different shapes. Figure 2 shows the upward forming speed distribution […]
Due to the particularity of the forming process of rotary forging, it takes a long time to calculate in a […]
According to the actual situation in the production and experiment of rotary forging of spur bevel gears, in order to […]
The shape of straight bevel gear is relatively complex, and its surface is basically composed of curves and curved surfaces. […]
The establishment of straight bevel gear model is an important link in the preprocessing process of finite element simulation. A […]
In the figure, a is the tooth direction error diagram of the pit type pinion. Compared with before the test, […]
The pre punching process is to prepare for the punching process and reserve the punching skin thickness for the punching […]
Using the die model established by the software, the contact condition of the contact area can be observed through motion […]
The pitch cone angle is a very important parameter in the geometry of spiral bevel gear, which is directly related […]
The original blank of spur bevel gear is determined according to the forging shape, size, forging method and the required […]
The driven spiral bevel gear of automobile rear axle is an important part of automobile main reducer. At first, in […]
The results of experimental mechanics research methods come directly or indirectly from the measured data, which reduces or avoids many […]
The metal plastic forming process of spur bevel gear is a complex deformation process. The material characteristics, deformation speed, temperature, […]
For the manufacturing industry, the core of competition in the 21st century will be the competition of new products. How […]
(1) Aiming at the fatigue failure of the blank forging die of driven spiral bevel gear, the equivalent stress field […]
So far, great progress has been made in the research of swing rolling theory all over the world, such as […]
After optimizing the process, the effective hardened layer depth of the tooth root is 1.4mm, as shown in Figure 1. […]
Research objectives By changing the parameters of the straight bevel gear blank, the forming force energy relationship and the law […]
Straight bevel gear is widely used in mechanical transmission, especially in automobile transmission mechanism. The traditional straight bevel gear processing […]