Research status of helical gear vibration and noise in China and abroad
The noise generated by structural vibration is an important noise source in helical gear system. In the design stage of […]
News
News
News
Manufacturing technology of cast steel large gear for mining mill
Large gear is the core transmission part of mining mill, and its reliability is related to the safety and stability
News
Coupling dynamics of helical gear modification and friction excitation
Gear transmission is the most important and widely used mechanical transmission device, which is widely used in machinery, transportation, chemical
News
Establishment of induction heating finite element model of large spur gear
The module of large spur gear is 40, the number of teeth is 35, the tooth width is 80mm, and
News
Local induction heating process of large spur gear
Gear is one of the most widely used parts in mechanical transmission. Its quality and service life directly affect the
News
Prospect of compound forming technology of continuous cold extrusion and cold shaping of spur cylindrical gears for trucks
The compound forming process of continuous “cold extrusion + cold shaping” of spur gear is studied, mainly for the purpose
News
Formation principle of cycloid of hypoid gear
The tooth milling of cycloid hypoid gear is designed according to the principle of “imaginary plane gear” (crown wheel, also
News
Tooth contact of cycloid Hypoid Gear Considering installation error
Hypoid gear is more and more used in the rear axle of automobile because of its high bearing capacity, stable
News
Establishment of three-dimensional geometric model of hypoid gear
In the current automotive hypoid gear processing methods, generally, when the large wheel cone angle is large, the forming method
News
Compound forming technology of continuous cold extrusion and cold shaping of spur gear for truck
From the multi-objective optimization of cold extrusion process parameters of spur gear, the influence of shaping quantity on the accuracy
News
Time varying meshing stiffness of hypoid gear of automobile drive axle
The motion transmission error of hypoid gear is the main excitation of gear vibration energy. In most hypoid gear equipment,
News
Quality control of the contact area of hypoid gear after heating
In recent years, China’s automobile industry has developed rapidly. NVH (vibration and noise) performance has attracted extensive attention of automobile
News
Pretreatment of LTCA finite element analysis model of spiral bevel gear
The pre-processing of spiral bevel gear finite element analysis includes the selection of elements, the setting of analysis types, the
News
Hot precision forging of spur gear and its compound forming process
Hot precision forging of spur gear is a precision forming method developed from hot die forging technology. It is mainly
News
Machining error analysis of driving gear in shearer cutting section
Because MATLAB software adopts a unified data type without specifying variables, and has good scalability and high programming efficiency, it
News
Meshing stiffness of spiral bevel gear based on finite element method
Stiffness excitation is one of the main excitation of gear meshing vibration. Determining the elastic deformation and meshing stiffness of
News
Development of automobile gear manufacturing industry in China
Automobile gear manufacturing industry is the industry with the largest annual output, the highest output value and the largest number
News
Composition of gear products in China
According to the statistics of China gear professional association, in 2014, the product composition of China’s gear industry was 60%
News
Manufacturing technology of curved bevel gear for automobile drive axle
At present, there are two kinds of gear systems in China, Gleason system and Oricon system. The tooth line made
News
Key process equipment technology of gear in China
Gear is an important basic part of electromechanical products. Gear transmission is a main form of transmitting machine power and
News
Research on hobbing of helical gear
In the parametric design of involute helical cylindrical gear, the meshing motion simulation of helical cylindrical gear and helical surface
News
Key process equipment technology of gear in China
(1) Present situation ① Gear cutting machine tools: cylindrical gear making machine tools such as gear hobbing machine, gear shaper
News
Gear lubrication, cooling and sealing technology in China
(1) Present situation The friction design of gear transmission, the development of high-quality lubricating medium and the research of efficient
News
Gear materials and heat treatment technology in China
(1) Present situation ① The quality of gear materials is low, there are many defects in castings and forgings, and
News
Determination of hobbing scheme for helical gear
Main motion transmission chain: the main motion chain to realize the rotation of gear hobbing hob: motor-1-2-uv-3-4-hob. Among them, UV
News
Introduction to Y3150E gear hobbing machine
Because gears are widely used and used, gear processing machine tools are key equipment in engineering machinery, automobile industry and
News
Key gear processing technology in China
The machining here mainly refers to the machining of gear, shaft and other parts. Improving the level of processing technology
News
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
News
Key design technology of gear in China
(1) Present situation Gear technology powers such as Europe, America and Japan continue to improve the design level, product power
News
Seven key development areas of China gear industry
There are many types of gear products and a wide range of application fields. According to the market demand in
News
Digital closed loop manufacturing technology of Aviation Spiral Bevel Gear
Because spiral bevel gear has the advantages of stable transmission, suitable for high-speed transmission, and very low noise and vibration,
News
Current situation of gear industry in China
Driven by the rapid development of automobile, wind power, high-speed railway, construction machinery and other industries, China’s gear industry has
News
Achievements of China gear industry
China’s specialized production and new product K development of vehicle gears, represented by automobile gears, began with introduction and digestion.
News
Effect of forging blank gear on mechanical properties of gear
1) The initial forging temperature is high, the holding time is long, the gear grain is coarse and overheated; If
News
Material selection and microstructure of hardened gear
Due to the differences in stress conditions and working environment, the materials and heat treatment processes of gears used in
News
Stress condition and technical requirements of gear
As we all know, gear is an important part of mechanical equipment. In the process of transmitting force and changing
News
Gear cutting method using conical end milling cutter
In recent years, the electric vehicle and robot market has shown a rapid development trend. Gear is an important mechanical
News
Stress condition and technical requirements of gear
As we all know, gear is an important part of mechanical equipment. In the process of transmitting force and changing
News
Prospect of gear technology in China
As human history enters the 21st century, it has become a consensus to build a digital earth. Manufacturing informatization has
News
Progress of gear transmission technology in China
After the founding of new China, especially since the reform and opening up, gear transmission technology has developed greatly. The
News
Development trend of gear heat treatment technology
1. Research and develop new steel materials for gears, such as 20CrNi2Mo steel, 17CrNiMo6 steel, etc. 2. Development of new
News
History of gear transmission in China
As we all know, China is an ancient country with a civilization history of thousands of years. Gear transmission technology
News
Isothermal normalizing process of carburized gear blank forging waste heat
Automobile gears are usually made by alloy carburizing. The gear blank generally needs to go through multiple cold and hot
News
Forging process of gear blank based on minimum damage value
In forging industry, in order to improve design efficiency, reduce manufacturing cost and improve product quality, it is necessary to
News
Selecting grinding wheel to improve grinding efficiency of carburized and quenched gear
The selection of grinding wheel mainly considers abrasive, particle size, hardness, binder, etc. Abrasive The selection of grinding wheel abrasive
News
Composite structure design of large gear blank
As one of the most basic transmission parts in the mechanical industry, gear is used to adjust the speed and
News
Forging and heat treatment process of large gear blank
Large gear is an important mechanical transmission part in mining machinery, steam turbine, generator and other large equipment. Its quality
News
Improvement of forged gear blank production line
Some situations and solutions encountered in the forged gear blank production line are described below. (1) During parting, the forged
News
Production technology of forged gear blank
Straight bevel bevel gear is a component of automobile differential, which is made of low-carbon alloy steel. Its normal warm
News
Precision forging of driven spiral bevel gear
The spiral bevel gear formed by precision forging has the advantages of reasonable streamline distribution, less material waste and high
News
Precision forging and numerical simulation of driven spiral bevel gear
The precision forging process of spiral bevel gear has high requirements for pre forming and forging process parameter design. Reasonable
News
Numerical simulation of final forging process of spiral bevel gear and Study on die elastic deformation
The material deformation, physical field distribution and die elastic deformation of final forging process are analyzed. The shape and size
News
Finite element analysis of forging process of spiral bevel gear
According to the process scheme of “blanking upsetting punching compound rolling preform final forging”, the rings rolled to the required
News
Numerical simulation of final forging process of spiral bevel gear
The final forging process ultimately determines the quality of forgings, so it is very important to optimize the final forging
News
Gear precision forging technology warm forging process
As the project requires to find a practical production way suitable for the factory, a high-speed, single action and single
News
Preform technology in forging process of spiral bevel gear
In order to study the preform process in the forging process of spiral bevel gear, the thermal mechanical coupling finite
News
Analysis of forging defects of helical gears
The defects in the forging process of helical gear are shown in the figure. In the process of helical gear
News
Forging process of helical gear based on DEFORM
For the research of traditional helical gear forging process, scholars and researchers at home and abroad mainly focus on the
News
Research content of precision forging technology of spiral bevel gear
Taking the precision forging process of automobile driven spiral bevel gear as the research object, the metal dynamic law and
News
Development of gear precision forging technology
Gear precision forging has developed greatly in recent decades. More and more manufacturers and users pay attention to manufacturing gears