To improve the quality of gear steel and promote the high-end gear industry
In particular, the plan proposes to implement a special plan for improving the quality of gear steel. At present, the […]
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“13th five year plan” gear industry will make full efforts to the high end
In the “13th five year plan” for the development of China’s gear industry (hereinafter referred to as the “plan”) previously
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Stable development of gear industry and development towards high end
Recently, Professor Zhang Ruifen of ZHY gear said at a gear industry seminar: “there are many fundamental technical problems of
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Independent innovation becomes the main theme of gear industry
In recent years, the gear industry is asking a question, where is the development direction of the industry? Where is
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Analysis of sliding rate of involute gear transmission
In the meshing process of involute gear teeth, the linear speed at a certain meshing point is different, except for
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Gear industry will usher in the fourth opportunity
Gear is a key basic component with large quantity and wide range, which is almost used in various fields of
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Future development of face gear manufacturing technology
The manufacturing technology of face gear is based on their manufacturing principles, which can be divided into three categories: Based
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Analysis and diagnosis of abnormal noise of tractor chassis gearbox
Abnormal noise is a common fault of tractor chassis. The abnormal noise is mainly caused by the damage of the
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Stress Analysis of Spur Gear Tooth Face during Powerful Shot Blasting
Shot peening is an important key link in gear production and manufacturing. When the steel shot repeatedly impacts the tooth
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Milling and planing of face gear
In recent years, Professor Tang Jinyuan’s team has explored the generalization of cutters for the processing of single piece and
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Identification of spiral spring on agricultural machinery
The coil spring can be divided into compression spring, torsion spring and tension spring according to the different loading conditions.
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Fracture failure analysis of ferrous powder metallurgical gear
Gear is a key structural part in modern transmission technology, its main function is to transmit torque reliably and without
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Heat treatment equipment and process of gears for automobiles and tractors
The correct heat treatment process must have the corresponding heat treatment equipment to ensure that the Shanghai brand car, Shanghai
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Identification of rolling bearing on agricultural machinery
There are many kinds of rolling bearings used in agricultural machinery. Only taking single row radial ball bearing and single
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Comparison of laser quenching technology for gears
As the core part of most machines, the performance of gears directly determines the degree of mechanical excellence. In the
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Heat treatment technology and service life of automobile and tractor gears
The service life of automobile and tractor gears is related to many factors, such as steel material, forging quality, precision
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The development direction of automobile gear factory in the future
In the future, the trend of automobile gear production plant will be toward design informatization, equipment intelligence, process automation, management
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Identification of gears on agricultural machinery
Gear is an important part of agricultural machinery, which has a wide range of applications. Although the working conditions of
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Profile of gear
Since the meshing line coincides with the common normal line of the tooth profile, and it is a fixed line,
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The history and present situation of the research on the efficiency of gear transmission
In mechanical transmission, compared with other transmission devices, gear transmission has the highest efficiency. However, with the increase of transmission
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Processing technology and existing problems of automobile and tractor gears
The gears of automobile and tractor are the basic parts with large quantity and wide range. In 1972, China produced
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Error curve of rack and pinion steering mechanism
The parameters of the steering mechanism of a model with rack and pinion steering mechanism are as follows: the wheel
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On the disassembly and installation of agricultural machinery
At present, China’s agricultural machinery repair is mainly replacement repair, which can not be separated from disassembly. Disassembly and installation
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Study on the efficiency of gear transmission
Gear transmission is the most common mechanical transmission in modern machines. It is a main form of transmission of machine
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Error analysis of rack and pinion steering mechanism
At present, the steering mechanism used in automobile can not fully meet the Ackerman steering principle, and can not realize
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Trouble shooting of transmission box of large wheeled tractor
1) There is noise during operation. The causes of the running noise of the transmission case specifically include: the transmission
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Trouble shooting of gearbox of large wheeled tractor
1) Difficult to shift. The gearshift difficulty caused by gearbox is usually caused by excessive wear or deformation of the
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Analysis of the stress direction of the gear rack of the Three Gorges ship lift
There are two possibilities for the design water depth to be higher or lower than 3.5m in each ascending or
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Analysis of the factors influencing the return difference of precision gear drive
Michalec, a British scholar, defines a high-quality gear with a tolerance of 0.0254-0.002 54 mm (0.001-0.0001 inch) as a precision
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Microstructure and properties of powder forging gear materials
Gear transmission of torque and power depends on the engagement of teeth, which is an important mechanical transmission part widely
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Correction of carburizing and quenching distortion of gear and gear shaft of reducer
1. Correction of gear distortion After carburizing and quenching, generally speaking, the increase of internal and external diameter is related
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Research on the measuring instrument of single face gear engagement
The face gear transmission is a kind of transmission in which the cylindrical gear and the face gear mesh, which
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Working principle of gear rack of ship lift for Three Gorges Dam
The ship lift of the Three Gorges project is located on the left bank of the Three Gorges Project and
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Suggestions on research and development of rack and pinion rigs in China
At present, the rack and pinion multi-functional drilling rig developed by TTS sense in Norway, American augers in the United
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Development status of rack and pinion rigs abroad
Since EDM company of Norway (became part of TTS sense company in 2007) launched 250K rack and pinion workover rig
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The future of gear technology in China
As human history enters the 21st century, it has become a consensus to build a digital earth. Manufacturing informatization brings
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The development of gear transmission technology in China
After the founding of new China, especially since the reform and opening up, the technology of gear transmission has made
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A historical review of the development of gear transmission in China
As we all know, China is an ancient country with thousands of years of civilization history, and it is no
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Causes and solutions of cold crack in automobile gear assembly welding
With the development of iron and steel, petrochemical industry, ship industry, electric power industry and automobile industry, all kinds of
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Scientific problems and development of surface strengthening of high strength automobile gears
1. Numerical simulation and scientific problems of gear surface strengthening In the field of scientific research and engineering technology, numerical
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All the answers you want to know about the straight bevel gear
What are the characteristics of the straight bevel gear mechanism? Answer: 1) transfer the motion and power between two intersecting
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Shot peening of high strength automobile gear
Shot peening is a widely used method to improve the fatigue strength of gears, which can produce compression deformation on
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Here are all the answers you want to know about the worm gear
What are the characteristics of worm gear mechanism? Answer: (1) transfer the motion and power between the spatial staggered axes,
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Contact stress analysis of gear rack of automobile steering gear
The finite element mesh generation of contact is realized. In order to obtain more accurate contact stress of gear teeth,
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Here are all the answers you want to know about helical gears!
How is the profile of helical involute curved surface of helical gear formed? Answer: when the generating surface of the
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Structure analysis of rack and pinion steering gear
Rack and pinion steering gear consists of steering wheel, steering shaft, steering gear, tie rod, steering trapezoid arm and steering
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For the question of industrial gear, come here to find the answer
What is modulus and graduation circle? Answer: the circle with M = P / π as modulus and m and
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Surface integrity of gears and development trend of anti fatigue manufacturing technology
As the key component of transmission system, gear is not only the transmission power and energy, but also the inheritance
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Application of magnetic gear
A new type of external rotor magnetic gear composite motor is proposed by combining the magnetic gear and the BLDCM.
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Take you to learn industrial gear terms in depth
1.In general, what is the allowable center distance difference of spur gear? Generally, the tolerance of the reference value is
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Calibration of large gear sample plate
At present, there are many kinds of large gear measuring instruments have been applied, but in fact, there is no
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Explanation of the most complete gear industry terms
1.Modulus Module: the pitch circle of the gear is the basis for designing and calculating the dimensions of each part
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The development trend of measuring technology for large gears
For the measurement of large gears, there are many shortcomings in the off position measurement and in position measurement, which
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China’s gear product upgrading needs to focus on high-end digital system
High end gear is the basic part of high-end equipment, and also the key neck clamping part. At the seminar,
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All the questions about industrial gears can be found here
1.What is the basic law of tooth profile engagement and what is the basic law of tooth profile engagement with
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China’s gear industry needs to be upgraded, with both challenges and opportunities
“The impact of Sino US trade friction on the gear industry should be very large.” Wang Changlu, executive vice president
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Gear industry: backward standards restrict development
“To promote the standardization of China’s gear industry, we must break the thinking mode under the planned economy and take
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The first grade precision standard gear is developed in China
Wang Liding’s team of academicians of Dalian University of technology has successfully developed a class 1 precision standard gear, and
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Study! Spiral bevel gears and hypoid gears
The spiral bevel gear and hypoid gear are important parts in the transmission devices of automobile, tractor, sewing machine, engineering
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Market scale of gear industry in 2025 or nearly 300 billion yuan
“In 2019, the gear industry as a whole maintained a stable situation, which was not significantly affected by the international