Gear tribology theory
The theoretical research of gear tribology focuses on gear elastic hydrodynamic lubrication (EHL), gear surface morphology, micro tribology and so […]
The theoretical research of gear tribology focuses on gear elastic hydrodynamic lubrication (EHL), gear surface morphology, micro tribology and so […]
By using materials with good wear resistance to replace the previously used gear materials, the wear resistance of the gear
Gear is the main body of power transmission. Gear transmission is the most widely used transmission form in mechanical equipment.
Gear forging is developed on the basis of meeting the requirements of mass production of gears. Combined with the advantages
The research object is the gear, which is an important transmission component of motor vehicles. Its quality defects will seriously
The contact deformation in the meshing process of cylindrical gears affects the lubrication behavior of cylindrical gears, which is a
The cylindrical helical gear (parameters are shown in Table 1) and hobbing chamfering tool (parameters are shown in Table 2)
The interaction between power transmission and moving gear teeth is a typical complex system with high load, coexistence of multiple
Gear mechanism is one of the most widely used transmission mechanisms in various mechanical mechanisms. It relies on the direct
Fatigue pitting caused by the friction between the meshing surfaces of spur gears is one of the main failure forms
In order to quickly solve the low order frequency of the constrained mode of double circular arc gear and reveal
Cylindrical gear is widely used in high-speed and heavy-duty occasions because of its compact structure, strong bearing capacity and stable
According to the standard tooth profile geometric relationship of GB / T 12759-1991, according to the gear parameters (z =
Face gear transmission is a transmission mechanism composed of cylindrical gear and bevel gear invented by fellow company. Nowadays, face
As an important part of transmitting power, gear shaft is widely used in transmission or reducer parts of heavy industrial
Automobile gear transmission product development test refers to a series of tests required to check the design level and process
Spiral bevel gear is mainly used in high-speed and heavy-duty staggered shaft transmission, with small overall structure and large transmission
Spiral bevel gear is widely used in the field of mechanical power transmission. Its meshing theory and manufacturing technology have
The vibration of the gear system will be caused in the process of gear rotation and meshing. If the natural
a. Based on the contact analysis model and hybrid lubrication analysis model of spiral bevel gear, the changes of friction
In the auto parts industry, cold forging is a kind of precision plastic forming technology, which has the advantages of
Generally, the models used in simulation analysis are simplified, and it is impossible to fully consider all factors; From the
Bevel gear is a new type of space power transmission. Compared with the standard spiral bevel gear transmission, bevel gear
The raw material of driving spiral bevel gear is 20CrMoH steel in accordance with GB / T 5216-2014 structural steel
Induction heat treatment has been more and more widely used in automobile, construction machinery and other industries because of its
Based on linear elastic fracture mechanics, the crack propagation and life of spur gear root are studied by using the
Transmission durability test bench for new energy vehicles is mainly used for fatigue life test and performance test of reducer
The main purpose of the durability test of automobile gear transmission system is to simulate the load conditions that the
Gear transmission product development test refers to a series of tests required to check the design level and process rationality
18CrNiMo7-6 belongs to low carbon and low alloy carburized steel. It is mainly used to manufacture bevel gears of wind
Two machining schemes commonly used in gear forming method include gear milling and gear grinding. These two schemes have their
Mechanization not only improves the production efficiency and quality, but also greatly avoids the risks in the production process. The
In recent years, with the continuous development of computer technology, computer simulation has been applied to the design, processing and
By analyzing the metal flow, stress and strain, temperature, die load and damage of the blank in the process of
The factors affecting crack growth studied by ZHY gear senior engineer team, such as stress ratio, corrosion environment, crack body
Small module spiral bevel gear is widely used in fields requiring intersecting shaft transmission, such as electric tools, mechanical instruments,
According to the part characteristics of gear shaft with large aspect ratio, this paper mainly studies the processing process of
As a universal typical part type in the manufacturing industry, shaft parts have a variety of part characteristics and manufacturing
For the analysis of fatigue crack propagation of spur gears, the calculation of crack propagation life of spur gears is
Although the production efficiency of cross wedge rolling forming active spiral bevel gear blank is very high, the material utilization
Steel casting defects are common. Large gears are steel castings in terms of material, and various defects often appear. Before
Spur gears are widely used in electric power, chemical industry, petroleum, aerospace, automobile and other fields. Almost all these spur
With the rapid development of modern industry, new requirements are put forward for mechanical transmission devices in the manufacturing field.
(1) For the cross wedge rolling process to form the driving spiral bevel gear blank, can we consider selecting the
Due to the material head, the material utilization rate is not high and the coaxiality of the product is not
The cracks in practical components are often composite cracks composed of two or more cracks. Considering the random combination of
As one of the core parts of the automobile drive axle, the driving spiral bevel gear is easy to be
For the swing rolling forming of spiral bevel gear, the key parameters such as taper of cone die, common angle
The most traditional method of producing driving spiral bevel gear blank in China is pre forging cross forging method, which
The cold rotary forging precision forming process of bevel gear is an advanced manufacturing technology. Its process design in actual
Although the emergence of fracture mechanics has only been half a century, with the unremitting efforts of scholars all over
As one of the core parts of the automobile drive axle, the driving spiral bevel gear is easy to be
Spiral bevel gear is the most critical part of the transmission system. The service life and vehicle performance of automobile
Spiral gear is a key part used in mechanical transmission and power. It has high technical content, wide uses and
The precision forming of bevel gear by cold rotary forging is an advanced bevel gear processing technology adopted in recent
After the precision plastic work is completed, the workpiece may be close to the punch or stuck in the die,
At present, simplified models are used in the research of fatigue crack of spur gear tooth root. In these simplified
Due to the characteristics of the rotary forging process of bevel gear, it has the following main advantages: (1) Save
Spiral bevel gear is one of the core parts of automobile engine to transmit power. It can transmit large load
Most spur gears yield to cyclic load and are widely used in aerospace, wind power generation and other industrial fields.