Cutting simulation of equal height spiral bevel gear
Equal height spiral bevel gear is widely used in automobile, aviation, aerospace and other fields because of its high transmission […]
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Scientific
Real tooth surface model of hypoid gear based on three coordinate measurement
In the actual use of hypoid gears, the wear phenomenon can be regarded as tooth profile error. In order to […]
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Composition of gear cutting system
1.Hardware structure of gear cutting system Hardware structure of gear cutting system: main control computer and main control system are […]
Scientific
Theoretical tooth surface model of hypoid gear
In order to facilitate the establishment of the real tooth surface model, the theoretical tooth surface model is established first. […]
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CNC system for gear cutting
NC machining of gears is an effective way to improve gear accuracy and machining efficiency. It is one of the […]
Scientific
Calculation of meshing stiffness of helical gear before and after modification
The above single pair of tooth stiffness algorithm is used to calculate the comprehensive meshing stiffness of helical gears with […]
Scientific
Study on calculation method of helical gear friction excitation
For helical gear system, generally, the total coincidence degree is greater than 2, that is, at least two tooth pairs […]
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Melting and heat treatment of cast steel large gear of mining mill
The method of electric arc furnace primary smelting + LF refining is adopted for liquid steel smelting. In order to […]
Scientific
Cutting test of equal height spiral bevel gear
According to the cutting parameters of equal height spiral bevel gear determined by simulation and the inclined angle of cutter […]
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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 […]
Scientific
Cutting simulation of equal height spiral bevel gear
① Import the cutter bar and gear blank models established in UG into advancededge software according to the actual machining […]
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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 […]
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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 […]
Scientific
Cutter path in cutting simulation of equal height spiral bevel gear
The cutting path of contour spiral bevel gear with extended epicycloid cannot be fully simulated in advantageedge software. The actual […]
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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 […]
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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 […]
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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 […]
Scientific
Manufacture and assembly of mould for spur gear
The process experiment mold design refers to the mold structure of the finite element model and the main size parameters […]
Scientific
Establishment of geometric model for cutting simulation of equal height spiral bevel gear
The cutting process of equal height spiral bevel gear with different cutting parameters is simulated, then the cutting force and […]
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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 […]
Scientific
Influence of different shaping parameters on the accuracy of spur gears
The sizing belt of shaping die is one of the important process parameters affecting the forming accuracy of spur gear. […]
Scientific
Cold shaping process analysis and preliminary determination of shaping amount of spur gear for truck
1. Analysis of cold shaping process scheme The cold extrusion die after multi-objective optimization is used for production, and the […]
Scientific
Influence of addendum fillet r on spur gear forming
In order to study the influence law of tooth top fillet r on the forming of spur cylindrical gear, the […]
Scientific
Cutting path equation of equal height spiral bevel gear
The tooth surface hobbing method is adopted for the processing of equal height spiral bevel gear, that is, while the […]
Scientific
Die angle α Influence on the forming of spur gear
The die angle is one of the important process parameters in the design of tooth concave die. It is not […]
Scientific
Numerical simulation results of spur gears
The correctness of the finite element model needs to be compared with the actual situation. If the simulation results are […]
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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 […]
Scientific
Countermeasures for technical difficulties in gear cutting
1.Synchronous phase locking Synchronous phase locking is a method of frequency capture in the field of communication, in order to […]
Scientific
Meshing performance of Hypoid Gear Considering installation error
In engineering application, due to machining error, installation error and support deformation, the meshing position of hypoid gear pair can […]
Scientific
Establishment of finite element model of spur gear
Cold extrusion process is a complex elastic-plastic deformation process with many influencing factors. Die shape, material properties, lubricant selection and […]
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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 […]
Scientific
Original forming technology of spur gear
Large module gear in power transmission of heavy industry (m ≥ 3) is essential. With the rapid development of heavy […]
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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 […]
Scientific
Calculation example of tooth contact of cycloid hypoid gear based on installation error
The mathematical model of hypoid gear with split cutter face rolling cutting method is established. The three-dimensional model of small […]
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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, […]
Scientific
Tooth surface contact analysis of hypoid gear
Figure 1 shows the gear pair meshing coordinate system, S1 and S2 are the dynamic coordinate system of small wheel […]
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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 […]
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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 […]
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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 […]
Scientific
Precision forming technology of large modulus and large specification spur gear
With the rapid development of automobile industry, precision forming of spur gear has become an inevitable trend in the development […]
Scientific
Tooth surface equation of hypoid gear
In the process of generating, the wheel blank and the forming wheel are hobbed to form a cycloid hypoid gear. […]
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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 […]
Scientific
Finite element calculation model of meshing stiffness of spiral bevel gear
The stiffness calculation of spiral bevel gear requires the comprehensive elastic deformation UN of contact force FN and contact position. […]
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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 […]
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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 […]
Scientific
Equation of hypoid gear face hobbing cutter
According to the cyclo palloid method, the gear is processed with a multi head cutter head. The cutter head adopts […]
Scientific
Kinematic die for strong tooth scraping of cylindrical gear
Kinematic model of strong tooth scraping take spur gear as an example. The kinematic model of strong tooth scraping is […]
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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% […]
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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 […]
Scientific
Loaded meshing stiffness of hypoid gear
Then, the contact analysis of the gear under loading is carried out. The resistance moment applied at the output end […]
Scientific
Meshing assembly and motion simulation of helical cylindrical gear
Using the parametric design of helical gear in Chapter 2, a helical gear with the same modulus as helical cylindrical […]
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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 […]
Scientific
Transmission error of hypoid gear under small load
According to the gear meshing stiffness calculation model, before calculating the gear meshing stiffness under loading, the transmission error of […]
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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 […]
Scientific
Parametric modeling of helical cylindrical gears
Before the meshing motion simulation of helical gear, the involute helical cylindrical gear is created first. According to the involute […]
Scientific
Realization of helical gear hobbing
When hobbing helical gear, first check the correctness of fixture installation, the accuracy of tool setting and the adjustment of […]
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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 […]
Scientific
Establishment of finite element model of hypoid gear
The established three-dimensional model of hypoid gear is saved in *. STP format and imported into the software HyperMesh for […]
Scientific
Structural parameters of helical gear hob
(1) Outer diameter of helical gear hob The outer diameter of helical gear hob not only affects the stability of […]
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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 […]