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 […]
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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.
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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,
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Verification of meshing stiffness model of hypoid gear
The spur gear is selected as the object to verify the model. This is mainly because the current spur gear
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Selection of basic worm of helical gear hob
Helical gear hob is one of the most widely used high-efficiency tools. Gears with any number of teeth with the
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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
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Time varying meshing stiffness of hypoid gear of automobile drive axle
The previous gear meshing model is based on empirical design formula or gear geometric meshing analysis. With the improvement of
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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
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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
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Hobbing principle of helical gear
Gear hobbing belongs to the generating method, and its principle is equivalent to the meshing transmission of a pair of
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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
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Influence of hypoid gear torque on time-varying meshing parameters
1. Effect of torque on coincidence degree Calculate the large wheel torque as 1000 n respectively · m、2 000 N
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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
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Tooth surface equation of helical gear
Before deriving the equation of helical gear, the meshing equation is obtained first. The process of machining helical gear is
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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
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Establishment of meshing coordinate system of helical gear
When the generating method is used to process helical gear, the main parameters are determined first: the rotation direction of
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Time varying equivalent meshing parameters of hypoid gears
The meshing position, meshing force, action direction and meshing stiffness of hypoid gear all change with time period. In the
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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
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Error coupling compensation principle of herringbone gear
Due to the limitation of manufacturing difficulty and production cost, it is difficult to improve the transmission stability by improving
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Finite element model of hypoid gear
Relevant parameters of hypoid gear. It is defined that the axis of the small wheel is parallel to the x-axis
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Detection and error compensation technology of spiral bevel gear
With the development of bevel gear processing and detection technology, bevel gear tooth surface detection and error compensation feedback technology
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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,