The theory of tooth tip sharpening of helical gear and the formation of transition surface
The intersection of the tooth surfaces on both sides of the helical gear tooth and the thickness of the tooth […]
The intersection of the tooth surfaces on both sides of the helical gear tooth and the thickness of the tooth […]
(1) Present situation Gear technology powers such as Europe, America and Japan continue to improve the design level, product power
There are many types of gear products and a wide range of application fields. According to the market demand in
Because spiral bevel gear has the advantages of stable transmission, suitable for high-speed transmission, and very low noise and vibration,
Driven by the rapid development of automobile, wind power, high-speed railway, construction machinery and other industries, China’s gear industry has
China’s specialized production and new product K development of vehicle gears, represented by automobile gears, began with introduction and digestion.
1) The initial forging temperature is high, the holding time is long, the gear grain is coarse and overheated; If
Due to the differences in stress conditions and working environment, the materials and heat treatment processes of gears used in
As we all know, gear is an important part of mechanical equipment. In the process of transmitting force and changing
In recent years, the electric vehicle and robot market has shown a rapid development trend. Gear is an important mechanical
As we all know, gear is an important part of mechanical equipment. In the process of transmitting force and changing
As human history enters the 21st century, it has become a consensus to build a digital earth. Manufacturing informatization has
After the founding of new China, especially since the reform and opening up, gear transmission technology has developed greatly. The
1. Research and develop new steel materials for gears, such as 20CrNi2Mo steel, 17CrNiMo6 steel, etc. 2. Development of new
As we all know, China is an ancient country with a civilization history of thousands of years. Gear transmission technology
Automobile gears are usually made by alloy carburizing. The gear blank generally needs to go through multiple cold and hot
In forging industry, in order to improve design efficiency, reduce manufacturing cost and improve product quality, it is necessary to
The selection of grinding wheel mainly considers abrasive, particle size, hardness, binder, etc. Abrasive The selection of grinding wheel abrasive
As one of the most basic transmission parts in the mechanical industry, gear is used to adjust the speed and
Large gear is an important mechanical transmission part in mining machinery, steam turbine, generator and other large equipment. Its quality
Some situations and solutions encountered in the forged gear blank production line are described below. (1) During parting, the forged
Straight bevel bevel gear is a component of automobile differential, which is made of low-carbon alloy steel. Its normal warm
The spiral bevel gear formed by precision forging has the advantages of reasonable streamline distribution, less material waste and high
The precision forging process of spiral bevel gear has high requirements for pre forming and forging process parameter design. Reasonable
The material deformation, physical field distribution and die elastic deformation of final forging process are analyzed. The shape and size
According to the process scheme of “blanking upsetting punching compound rolling preform final forging”, the rings rolled to the required
The final forging process ultimately determines the quality of forgings, so it is very important to optimize the final forging
As the project requires to find a practical production way suitable for the factory, a high-speed, single action and single
In order to study the preform process in the forging process of spiral bevel gear, the thermal mechanical coupling finite
The defects in the forging process of helical gear are shown in the figure. In the process of helical gear
For the research of traditional helical gear forging process, scholars and researchers at home and abroad mainly focus on the
Taking the precision forging process of automobile driven spiral bevel gear as the research object, the metal dynamic law and
Gear precision forging has developed greatly in recent decades. More and more manufacturers and users pay attention to manufacturing gears
The driven spiral bevel gear mechanical transmission system plays the role of adjusting speed and transmitting power. It has the
Because the load of gear transmission system fluctuates greatly in the alternating area of tooth number, it will cause vibration
Generally speaking, the precision forging technology of spiral bevel gear has been greatly developed in theoretical research, process test, engineering
As a transmission part, gear has very strict requirements for dimensional accuracy. However, under the forming condition, the die will
In precision forging process, die technology is closely related to the performance, accuracy and processing mode of parts. The development
The forming and filling of spiral bevel gear is complex. The process analysis of forging should focus on the plastic
The level of gear precision forging technology represents the development of a country’s manufacturing industry to a certain extent. The
The transplanting mechanism is the core working part of the rice transplanter, which realizes the action of transplanting and transplanting.
In order to further improve the machining efficiency of rough cutting soft tooth face gears with straight edge tools, Dr.
Precision forging technology has obvious advantages: low cost, high efficiency, energy and material saving, high precision and so on. There
Hypoid gear is a key part in the transmission system of automobile drive axle. Its tooth surface meshing quality directly
Face gear drive is a transmission mechanism in which involute cylindrical gear (small wheel) meshes with bevel gear, as shown
Involute ring gear ball gear is a new type of gear mechanism, which plays a key role in realizing multi
The workpiece processed by precision forming technology can meet the requirements of parts with little or no processing, so precision
Ball gear is a new type of gear transmission mechanism. The flexible wrist mechanism of painting robot developed by trallfa
With the continuous development of the world automobile industry, the machining technology of spiral bevel gear is also changing, and
Spiral bevel gear transmission mainly transmits the motion and power between vertical shafts, which requires the existence of bevel gear
Spiral bevel gear is mainly used in high-speed and heavy-duty staggered shaft transmission. The gear pair has compact structure and
At present, this spectrum analysis method based on the envelope of the signal generated by high-frequency impact excitation has been
The steering system is an important part of the vehicle safety system. The steering shaft tooth is a core part
The shearer needs to work in the underground roadway of the coal mine, and its working environment is poor. An
Firstly, the cold rotary forging precision forming process of bevel gear is systematically studied. This paper makes a systematic theoretical
The stress released in the grinding process of gears generally comes from two aspects: one is the residual stress formed
In recent years, the research and application of CAD / CAPP Technology in gear mostly focus on the design of
Bevel gear is widely used in mechanical transmission, especially in automobile transmission mechanism. The traditional bevel gear processing adopts the
Gear is an important basic part of mechanical products. Gear grinding is a finishing process of gear processing. Gear grinding
Swing rolling, namely swing rolling, also known as axial rolling, is a new plastic processing technology gradually and widely used