Trial production results of spur gear (sun gear)
The combined die is the key component for continuously extruding the external teeth of spur gear. The combined die adopts […]
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Research on fatigue crack of spur gear and existing problems
With the development of mechanics and computer simulation technology, the research on fatigue crack of spur gear has made great […]
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Precision forming technology of bevel gear
Bevel gear is widely used in mechanical transmission, especially in automobile transmission mechanism. The traditional bevel gear processing adopts the […]
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Influence of bevel angle of helical gear
When the module, number of teeth, helix angle and process parameters of helical gear are consistent, three groups of different […]
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Precision forming technology of bevel gear by cold rotary forging
As a typical transmission part, bevel gear is widely used in many industries, such as aviation, aerospace, automobile, instrument and […]
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Preparation of blank for spur gear production
① Hot forging blank The material of spur gear in truck wheel reducer is 20CrMnTi. Solid bar is selected as […]
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Propagation analysis of root crack of spur gear
According to the statistics of scholars, most of the mechanical component failures belong to fatigue failure, accounting for 50% – […]
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3D parametric geometric modeling of helical gear
In the process of helicall gear design, CAD / CAM / CAE integrated software UG is adopted. Combining the three-dimensional […]
Scientific
Helical angle of helical gear
The difference between helical gear and spur gear is that the teeth of helical gear are distributed along the helix. […]
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Study on continuous cold extrusion process of spur gear (sun gear)
The cold extrusion precision plastic forming technology of spur gear has the advantages of saving materials, improving production efficiency, ensuring […]
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Continuous extrusion forming of external teeth of spur gear
The continuous extrusion forming process of the external teeth of the spur gear is the same as that described above. […]
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Numerical simulation of precision plastic forming of helical gear
(1) The parametric modeling of helical gear is carried out by using three-dimensional modeling software UG. After parametric modeling, helical […]
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Parameter analysis of helical gear
Through the numerical simulation analysis of the closed die forging of helical gear, the parameters such as temperature, friction factor, […]
Scientific
Helical gear module and tooth number parameters
Due to the formula of indexing circle diameter d = mz, it can be seen that the diameter of the […]
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Determination of forming process scheme of spur gear
The three forming process schemes will be comprehensively evaluated and analyzed from the three aspects of material utilization, production efficiency […]
Scientific
Analysis of technological parameters of spiral gear
1.Influence of blank temperature The blank temperature of spiral gear is 20 ° C, 450 ° C and 850 ° […]
Scientific
Establishment of finite element model of spiral gear
Closed die forging process is a traditional one-step process. Its forming process is simple and convenient for analysis and research. […]
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Numerical simulation process parameters of helical gear
For a long time, for helical gear designers, the design or development of a process scheme is basically based on […]
Scientific
Co extrusion process of internal and external teeth of spur gear
In order to clearly see the deformation process of inner and outer teeth in the forming process of spur gear […]
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Generation of end face contour of helical cylindrical gear
All teeth on helical cylindrical gears are the same and have unified characteristics. The normal tooth profile will be generated […]
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Numerical simulation of precision forming of spur gear
In recent ten years, with the rapid development of computer hardware and software technology and the in-depth study of material […]
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Forging Compound Forming of spiral bevel gear blank
Taking the forging compound forming process of driving and driven spiral bevel gears as the research object, the feasibility of […]
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Analysis on forming process of driven gear blank
The main feature of die forging is that the diameter of outer circle and inner hole of automobile rear axle […]
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Precision plastic forming part of helical gear
The precision plastic forming part of spiral gear has high dimensional accuracy and less machining allowance. It only needs a […]
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Precision plastic forming of helical gear
At present, the research on precision plastic forming of bevel gear and spur gear has made great progress and has […]
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Compound forming of spiral bevel gear by casting and forging
Taking a certain type of automobile rear axle spiral bevel gear as the research object, taking the product part drawing […]
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Forming technology of spiral bevel gear
Y. Qin and R. Balendra used abaques simulation software to study the elastic deformation of the die cavity in the […]
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Precision forming technology of cylindrical gear
The precision forming technology of cylindrical gear comes from Germany. As early as the 1950s, due to the lack of […]
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Near net forming method of spiral gear in China
Precision near net shape forming of spiral gear belongs to less and no cutting technology. Due to its outstanding advantages […]
Scientific
Establishment of finite element model for forming process scheme of spur gear
The numerical simulation analysis is based on the assumption of rigid plastic finite element model. Properly combine and simplify the […]
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Design of forming process for spur gear
Taking the sun gear in a truck wheel reducer as the research object, its part drawing and three-dimensional solid model […]
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Forming technology of spiral gear
Spiral gears include spiral cylindrical gear and spiral bevel gear. As one of the most basic parts to transmit motion […]
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Forging process of driven bevel gear blank
1.Open die hot die forging Open die hot die forging is the earliest forging process of driven bevel gear. With […]
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Forming technology of driving helical gear blank
Warm forging of helical gear is a kind of plastic forming process with less and no cutting developed on the […]
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Forging technology of driving spiral bevel gear blank
1.Existing process of hot die forging (cross forging) Hot die forging of driving spiral bevel gear blank is the earliest […]
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Prospect of casting forging compound forming process for spiral bevel gear
Because the composite casting and forging process used to produce automobile rear axle spiral bevel gear has not been applied […]
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Casting process design and numerical simulation of spiral bevel gear
As the starting point of casting forging compound forming process, whether the process design of casting process and the control […]
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Rolling forming technology of spur gear
The rolling forming process of spur gear improves the production efficiency and material utilization, shortens the processing process, and the […]
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Compound technology of spiral bevel gear blank
Research overview of spiral bevel gear forging at home and abroad and the application of numerical simulation technology in spiral […]
Scientific
Automobile rear axle bevel gear
Based on the existing forming methods of driving and driven bevel gear blank of automobile rear axle, a new composite […]
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Driving and driven spiral bevel gear of automobile rear axle
The driving and driven spiral bevel gears of the automobile rear axle are the key parts of the automobile rear […]
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Research status of driven helical gear blank of automobile rear axle
At present, the better process methods for producing the driven helical gear blank of automobile rear axle at home and […]
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Research status of driving spiral bevel gear blank of automobile rear axle
Automobile rear axle gear is an important part of automobile drive system. Due to its poor working condition and heavy […]
Scientific
Metal fluidity in cold finishing process of spiral bevel gear
The figure shows the metal velocity distribution of different strokes in the cold finishing process of spiral bevel gear, in […]
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Effect of material composition on casting properties of spiral bevel gear
As the starting point of casting forging compound forming process, whether the process design of casting process and the control […]
Scientific
Calculation example of spiral bevel gear tooth surface
1. Tooth surface contact analysis of spiral bevel gear Based on the above theoretical methods, the whole process design software […]
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Forging process of helical gear
The cold / hot forging drawing is determined by the helical gear part drawing. The influence of the tooth shape […]
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Finite element analysis of taper of preform in closed hot die forging of spiral bevel gear
1.Load stroke curve Figure 1 shows the load stroke curve of hot die forging process of different taper schemes of […]
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Bevel gear closed hot die forging preform taper
Shu Qifu once put forward the concept of “equivalent blank” to study the influence of taper on the forming process […]
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Cold extrusion process of spur gear
Cold extrusion process is a production technology with high precision, high efficiency, high quality and low consumption, which is widely […]
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Analysis of finite element numerical simulation results of spiral bevel gear
1.Load stroke curve Fig. 1 is the load stroke curve of spiral bevel gear blank obtained according to the approximate […]
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Equivalent strain of spiral bevel gear in cold finishing process
The figure shows the distribution of equal effect variation in the final step. From the figure, it can be seen […]
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Establishment of finite element model of spiral bevel gear
Referring to the tooth size of cold precision forging preform, the closed hot die forging die chamber is designed and […]
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Tooth profile scheme of preform for closed hot die forging of spur gear
Fully referring to the idea of shunting method, it is decided to adopt the approximate trapezoidal tooth profile scheme with […]
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Helical gear closed hot die forging preform tooth profile
Based on the design of process flow, the main purpose of closed hot die forging step is to realize the […]
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The new method for tooth surface mismatch design of spiral bevel gear
The traditional tooth surface contact mainly includes transmission error and tooth surface contact area. At present, a new analysis method, […]
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Combined forming technology of spur gear
The basic forming process of spur gear has its own obvious advantages and disadvantages. It can only solve the problems […]
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Numerical simulation of cold precision forging preform of bevel gear
1.Load stroke curve Figure 1 shows the load stroke curve of preforms with different cold precision forging quantities according to […]
Scientific
Finite element model of cold precision forging preform of spiral bevel gear
CATIA software is used to complete the three-dimensional modeling of upper die, lower die and cold precision forging preforms with […]
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Tooth profile of cold precision forging preform of spur bevel gear
The forming quality of forgings directly determines the quality and service life of products. The surface finish of the straight […]