Three dimensional crack propagation analysis of spur gear root
Spur gears are widely used in electric power, chemical industry, petroleum, aerospace, automobile and other fields. Almost all these spur […]
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Variable hyperbolic arc tooth profile cylindrical gear machine tool
With the rapid development of modern industry, new requirements are put forward for mechanical transmission devices in the manufacturing field.
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Numerical simulation of precision forming of driving spiral bevel gear blank
(1) For the cross wedge rolling process to form the driving spiral bevel gear blank, can we consider selecting the
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Cross wedge rolling closed die forging forming of driving spiral bevel gear blank
Due to the material head, the material utilization rate is not high and the coaxiality of the product is not
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Compound crack fracture theory of spur gear
The cracks in practical components are often composite cracks composed of two or more cracks. Considering the random combination of
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Precision plastic forming process of automotive driving spiral bevel gear blank
As one of the core parts of the automobile drive axle, the driving spiral bevel gear is easy to be
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Development of warm precision plastic forming of spiral gears
For the swing rolling forming of spiral bevel gear, the key parameters such as taper of cone die, common angle
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Cross wedge rolling forming of driving spiral bevel gear blank
The most traditional method of producing driving spiral bevel gear blank in China is pre forging cross forging method, which
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Study on precision forming process of bevel gear by cold rotary forging
The cold rotary forging precision forming process of bevel gear is an advanced manufacturing technology. Its process design in actual
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Crack types of spur gear root
Although the emergence of fracture mechanics has only been half a century, with the unremitting efforts of scholars all over
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Precision plastic forming process of automotive driving spiral bevel gear blank
As one of the core parts of the automobile drive axle, the driving spiral bevel gear is easy to be
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Precision plastic forming of driving spiral bevel gear blank
Spiral bevel gear is the most critical part of the transmission system. The service life and vehicle performance of automobile
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Warm precision plastic forming of helical gear
Spiral gear is a key part used in mechanical transmission and power. It has high technical content, wide uses and
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Cold rotary forging process in precision machining of bevel gear
The precision forming of bevel gear by cold rotary forging is an advanced bevel gear processing technology adopted in recent
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Design of demoulding die for precision plastic forming of helical gear
After the precision plastic work is completed, the workpiece may be close to the punch or stuck in the die,
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Research trend of root crack of spur gear
At present, simplified models are used in the research of fatigue crack of spur gear tooth root. In these simplified
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Characteristics of rotary forging process of bevel gear
Due to the characteristics of the rotary forging process of bevel gear, it has the following main advantages: (1) Save
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Precision plastic forming demoulding die for spiral bevel gear
Spiral bevel gear is one of the core parts of automobile engine to transmit power. It can transmit large load
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Research status of root crack of spur gear
Most spur gears yield to cyclic load and are widely used in aerospace, wind power generation and other industrial fields.
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Precision plastic forming of helical cylindrical gear
Helical cylindrical gear is an important transmission part widely used in automobile and machinery industry. Its shape is complex, and
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Rotary forging process of bevel gear
Bevel gear swing rolling, namely swing rolling, also known as axial rolling, is a new plastic processing technology gradually and
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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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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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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
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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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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,
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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
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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
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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
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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
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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
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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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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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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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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
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Research on precision forging of spiral bevel gear
The optimal parameter scheme is numerically simulated and the forming process is analyzed. The following conclusions are obtained: (1) The
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Casting forging compound forming process of spiral bevel gear
The risk of casting forging compound forming process is controllable and the process predictability is strong; Taking the product part
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Research status of helical gear forming technology
Germany, Japan and other developed countries began to study the helical gear forming process very early, and the technology is