Application of reverse engineering in surveying and mapping of involute cylindrical spur gear
In coal machinery equipment, many gear devices in China are imported from abroad. With the influence of factors such as […]
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3D reconstruction model of spiral bevel gear reverse engineering point cloud
3D model reconstruction mainly uses the point cloud data on the model surface collected by spiral bevel gear reverse engineering
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Processing of tooth surface point cloud in reverse engineering of spiral bevel gear
The processing of tooth surface point cloud in reverse engineering of spiral bevel gear is a very important process, which
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Research on reverse engineering modeling of spiral bevel gear
Spiral bevel gear is an important part of high-precision equipment. Spiral gear is generally processed by spiral milling machine. Because
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Tooth cutting test of hypoid gear with few teeth
Hypoid gears are difficult to manufacture due to the complex tooth surface structure. In this chapter, according to the theoretical
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Technical level of domestic gear heat treatment furnace
Computer technology is applied to the control of domestic heat treatment furnace, which realizes high precision and multi-function. Control accuracy:
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Research status of spiral bevel gear
Gleason of the United States has always been in a leading position in the world in the design and processing
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Development of gear heat treatment equipment
In addition to the old standard well carburizing furnace, deep carburizing well furnace, sealed box multi-purpose furnace, single and double
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Tooth surface equation of hypoid gear with few teeth
Using the meshing principle of hypoid gear and based on the meshing equation, the tooth surface equation is deduced. The
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Study on hypoid gear with small number of teeth and large reduction ratio
Focus on hypoid gears with large reduction ratio with 2-4 small teeth and transmission ratio of more than 10. Because
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New technology of gear heat treatment
ZHY gear senior engineer team proposed a new heat treatment process for obtaining Austempered bainite ductile iron, namely room temperature
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Study on hypoid gear with small number of teeth and large reduction ratio
Taking the hypoid gear with 2-4 teeth and transmission ratio of 10-30 as the research object, the main research work
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Research on hypoid gear
Hypoid gear, as the main part of mechanical transmission system, is widely used in automobile, engineering machinery, mechatronics products and
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Research on control system of NC spiral bevel gear machining machine tool
Because spiral bevel gear is widely used in all walks of life, the development of spiral bevel gear processing machine
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Development of new technology for gear heat treatment
Austenite Bainite Ductile iron has good comprehensive mechanical properties of high strength, high elongation and high impact value, as well
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Research status of gear strength analysis methods
The gear strength calculation is based on the calculation formula proposed by and. Various coefficients are used to correct the
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Defects of gear heat treatment and technical improvement scheme
Gear heat treatment deformation is affected by many aspects, such as part shape, raw materials, forging and preliminary heat treatment,
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Analysis of dynamic characteristics of spiral bevel gear transmission with additional damping ring
Damping ring vibration reduction technology is an effective measure to improve the vibration characteristics of gears. By embedding damping rings
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Defects of gear heat treatment and examples of technical improvement
The problem of spline hole distortion of xf-125 primary transmission gear by China First Tractor internal combustion engine company is
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Defects and technical improvement of gear heat treatment
The deformation of gear heat treatment is very complex, which is a comprehensive reflection of the factors affecting the deformation
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Development of gear processing machine tools abroad
Since the 20th century, the demand for gears has increased rapidly, which has promoted the development and production of gear
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The vibration characteristics of gear hobbing machine are analyzed
The process of vibration signal transmission caused by self-excited vibration between hob and workpiece in the machining process of machine
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Research progress of gear chemical heat treatment process
1. Chongqing Changjiang diesel engine factory has carried out rapid gas nitrocarburizing process test and mass production assessment on 45
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Overview of the development of China’s gear industry
As the core mechanical basic component, gear is widely used in automobile, ship, aerospace, high-speed railway, energy equipment, intelligent manufacturing
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Error analysis of gear hobbing machining system
In the process of gear hobbing machine machining, whether it is machine tool, fixture or meshing motion, there are errors,
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Research progress of gear annealing and quenching and tempering
For a long time, the forging blanks of car gears are mostly normalized. In recent years, with the diversification of
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Cold extrusion process of spur gear
The cold extrusion process of spur gear is a net forming or near net forming process. Its production efficiency and
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Gear material and heat treatment forming
1. Practice has proved that the general machine tool gears are made of medium carbon steel and treated by induction
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Compound forging process of spur gear
Spur gear is the key component of high-end equipment. The design and manufacture of high life, high performance, high efficiency
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Characteristics and application of precision forging process for spur gears
Compared with ordinary die forgings, the shape of precision forgings is more complex, the machining allowance is less or even
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Analysis and preventive measures of heat treatment defects of automobile rear axle gears
Automobile rear axle gear is one of the important parts in automobile driving system. It transmits power in the process
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Development status of gear die and forging industry
Gear mold is an important basic equipment of industrial production and an integral part of high-tech industry. Gear mold technology
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Gear hobbing method of high order elliptic gear
The research on non-circular gears with typical pitch curve is a representative direction of non-circular gear design and manufacturing. The
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Analysis of precision forging of spiral bevel gear
The forging of spiral bevel gear belongs to complex curved surface forging. As shown in the figure, the forging difficulty
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Influence of geometric parameters on precision forging of spiral bevel gears
There are still some difficulties in the precision forging process, so the forging of spiral bevel gear has not been
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Simulation of precision forging process of spiral bevel gear by DEFORM-3D
Import the cold precision forging die and blank model of spiral bevel gear into DEFORM-3D software. The specific steps are
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Application of precision forging in tractor gear
Precision forging (net forming or near net forming) refers to the forming technology that only needs a small amount of
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Analytical calculation model of meshing stiffness of helical gear pair with tooth profile modification
In helical gear transmission system, internal excitation such as stiffness excitation and error excitation of helical gear is an important
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Analysis of die for Cold Precision Forging Spiral Bevel Gear
The precision forging adopts the closed die forging die. During the forging process, the gap between the upper die and
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Design and machining of traditional spiral bevel gear
The design of spiral bevel gear includes the determination of basic parameters of gear pair, the selection of tooth cutting
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Calculation example of tooth profile parameters of spiral bevel gear
1. Calculation of tooth profile geometric parameters of precision forged small module spiral bevel gears Under the cold forging process,
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Finite element model of drive axle hypoid gear
The research object is a light bus produced by the company. According to the drive axle drawing of the vehicle,
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Tooth profile machining of spiral bevel gear
As the basic transmission parts of the machinery industry, more and more high-strength and multi-purpose gears and gear like products
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Influence of alignment error and error coupling compensation on meshing characteristics of herringbone gear
Herringbone gear transmission has the advantages of high bearing capacity, stable transmission and small axial load. It plays an important
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Influence of temperature on forging forming of helical gear
The strain of helical gear forging is different under different blank temperature. Figure 1 shows the strain distribution of blank
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Friction coefficient and meshing efficiency of spiral bevel gears
Spiral bevel gears are widely used in heavy load conditions such as helicopters, ships and automobiles. Their friction characteristics are
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Analysis of forging speed field of helical gear
Fig. 1 shows the blank flow velocity field under different pressing amounts. The velocity field of helical gear die forging
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Establishment of finite element model of helical gear
The die forging process of helical gear studied adopts closed die forging process, which is divided into two processes: blanking
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Gear precision forging technology – die manufacturing and gear measurement
The precision of cold forming die is the key of gear precision forging technology. At present, the analysis method has
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Research trend of root crack of spur gear
The research of fatigue crack is a part of reliability research. In engineering application, it is mainly to predict the
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Experimental design of dynamic characteristics of helical gear transmission system
According to the operating conditions of high-speed railway traction gear transmission system, different experimental conditions are designed and steady-state experiments
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Study on continuous cold extrusion process of spur gear (sun gear)
Based on the numerical simulation, the cold extrusion process and die design of spur cylindrical gear (sun gear) are partially
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Continuous extrusion forming of external teeth of spur gear
Stack two spur gear ring blanks into the outer tooth female die sleeve, and insert the spur gear ring blank
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Gear precision forging technology – cold treatment process
As the first stage of gear precision forging, hot and warm forging process is relatively easy to control, because the
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Differential eccentric gear train transplanting mechanism
As the core component of the high-speed transplanter, the rotary transplanting mechanism first used the eccentric gear to drive the
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Rolling forming technology of spur gear
With the rapid development of China’s aerospace, engineering machinery and truck industries, spur gear is an indispensable part of heavy-duty
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Design of eccentric modified gear
Due to its simple design and convenient processing, eccentric circular gear is widely used in the transmission system of non-uniform
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Analysis of rice transplanting mechanism with eccentric gear planetary system
At present, rice transplanters used in China, such as 2zt-935 rice transplanter produced by Yanji rice transplanter factory in Jilin
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Future development of face gear manufacturing technology
Based on their manufacturing principles, the manufacturing technology of face gear can be generally divided into three categories: Based on
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Honing, milling and planing of face gear
In order to reduce the surface roughness of hard gear and trim the tooth surface texture after grinding, Wang Yanzhong