Gear semi finish hob
Gear semi precision hobs are mainly used in the hobbing process before shaving or grinding. Hobs of any accuracy grade […]
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Gear non-standard fine hob
The current trend is that a large number of factories order and use non-standard hobs. Gear hob design engineers can
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Design theory analysis of automobile gear hob
Based on the actual needs of gear hobbing tools in automobile gear production line, it is transformed into seven elements
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Design theory analysis of automobile gear hob
The gear hob used in the automobile industry is usually the tool for Machining Involute Cylindrical Gear by generating method
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Research status of design theory of automobile gear hob
At present, the production and sales volume of China’s automobile industry has reached more than 22 million through explosive growth,
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Main development trends of automotive gear cutting tools
Gear is the key basic part of automobile. Most speed change and transmission components in automobile are related to gear
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Conical gear hobbing tooling
The conical gear is a straight tooth with a module of 5 and a number of teeth of 20. The
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Design of main parts of conical gear milling tooling
(1) bearing pedestal. The design of the bearing seat is shown in Figure 1. This part is the basic part
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Conical gear milling tooling
The conical gear is a straight tooth with a modulus of 5 and a number of teeth of 20. The
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Detection technology of meshing area in spiral bevel gear machining and assembly
Spiral bevel gear transmission is widely used in high-speed and heavy-duty gear transmission systems with intersecting transmission of two axes,
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Analysis of random vibration and friction characteristics of spur gear pair
Vibration characteristics of spur gear pair based on the randomness of error and tooth surface friction: (1) Using the method
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Analysis of vibration characteristics of spur gear pair considering the randomness of error and tooth surface friction
With the development of spur gear transmission system towards high speed and high power density, how to solve vibration and
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Finite element analysis of contact characteristics of helical gears
Helical gear has the characteristics of good meshing performance, large coincidence degree and compact structure, resulting in less impact vibration
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Structural reliability analysis of spiral bevel gear based on mixed uncertainty
In the reliability analysis of spiral bevel gear structure, there are inevitably uncertainties related to the external environment, material characteristics,
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Technical scheme of bevel gear tooth top trimming
1. Technical difficulties There are several difficulties in carrying out bevel gear tooth top trimming under traditional conditions: (1) Tooth
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Technical problems of bevel gear tooth top trimming
Bevel gear is a component that can drive according to a stable transmission ratio. Because of its high transmission efficiency,
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Design of large degree of reconnection of spiral bevel gear
As shown in the figure, the included angles between the five contact paths and the root cone on the convex
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Design of large degree of reconnection of spiral bevel gear and comparison of meshing performance
Spiral bevel gear has the advantages of stable transmission, low vibration and noise and large bearing capacity, which makes it
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Strength failure mechanism of hypoid gears with super reduction ratio
At present, miniaturization, high speed and low consumption are the important development direction of gear transmission parts. Compared with other
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Selection of cutting process parameters for automobile gear hobbing
Automobile gear hobbing has the characteristics of high productivity and good universality. It is a gear processing technology widely used
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Cumulative error of groove circumferential pitch of gear hobbing hob
The design parameters of gear hobbing hob for automobile gear processing are complex, mainly including outer diameter, total length, inner
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Error analysis of gear hobbing
Through the analysis of gear hobbing machining error, the following are mainly completed: The formation mechanism of tooth profile error
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Research on gear hobbing technology abroad
In the process of gear hobbing, the machined materials and cutting conditions affect the unit cutting force of the hob,
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Research status of gear hobbing technology abroad
The research on gear hobbing process in foreign countries was carried out earlier. Germany and Japan began to carry out
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Gear hobbing principle
Gear hobbing is processed by the principle of generating method. It can be used to process spur gear, helical gear,
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Overview of gear machining
Gear mechanism is used to transfer the motion and power between any two shafts in space. Compared with other mechanical
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Heat treatment deformation tooth surface deviation of spiral bevel gear
Spiral bevel gears are widely used in mechanical transmission systems with intersecting or staggered shafts, and their tooth surface accuracy
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Gear hobbing machining of automobile gear
Driven by the rapid development of automobile industry, China’s automobile gear manufacturing industry shows sustained and rapid growth. According to
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Vibration test of automobile gear
The vibration experiment of automobile gear adopts SSA signal and analysis software combined with acceleration sensor to test the vibration
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Analysis of quenching test results of SAE J403 steel parking gear
Use ultrasonic testing equipment to test the metal hardened layer of carbon steel gears with different thicknesses. Set the sampling
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Vibration test and analysis of Automobile Gears
On the rear axle main reducer of modern automobile, the most widely used gear is hypoid gear, which is characterized
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Space dynamic physical model of tractor gear train torsional vibration coupling
Based on the method of lumped parameter modeling, the torsional vibration coupling model of the tractor power output transmission system
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Ultrasonic Nonlinear Characterization of Quenching Depth of SAE J403 Steel Parking Gear
SAE J403 steel is a high-quality carbon structural steel with good strength, hardness, toughness and other material properties. Therefore, it
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Development direction of automotive gear materials
With the requirements of light-duty and high-performance automobile, the development of automobile industry puts forward new requirements for gear materials.
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Development of imported automobile gear steel
Among the introduced steel grades of the driving and driven gears of the rear axle, there are mainly Ni Cr
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Development of traditional automobile gear steel
In view of the differences of resources and production process conditions in various countries, the gear steel alloy series used
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Vibration characteristics of single-stage high speed helical gear transmission
The dynamic model of the input stage tooth pair of an electric vehicle reducer is established, and the time-varying meshing
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Carburized automobile gear steel
Automobile Carburized Gear Steel is mainly low-carbon alloy steel. With the development of automobile industry, low-alloy carburized steel with similar
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Analysis and Calculation of Meshing Impact of Helical Gear Transmission
In the whole meshing area of helical gear pair, the meshing point of error free helical gear transmission is always
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Machinability and machinability of automotive gear steel
With the automation of automobile gear processing line, in order to continuously improve production efficiency, many countries are studying the
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Grain size of automobile gear steel
Austenite grain size is of great significance to stabilize the hardenability of steel, reduce the deformation of automobile gear after
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Analysis and Optimization of Wind Resistance Power Loss of Aviation Spiral Bevel Gear Pair
Spiral bevel gears are widely used in aviation high-speed transmission systems because of their good load capacity, smooth transmission and
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Purity of automobile gear steel
The purity requirement of automobile gear steel mainly refers to the inclusion of oxides and sulfides and the reduction of
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Hardenability of automobile gear steel
In addition to the general requirements of strength, plasticity and toughness of engineering materials, the performance requirements of automobile gear
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Research progress of automotive gear steel
Automobile gear is an important transmission part, which plays the role of transmitting power and changing speed and direction. Due
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Influence of heat treatment process on corrosion performance of Automobile Gears
In the process of automobile manufacturing, as an important part of the transmission system, the quality of the gear directly
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New heat treatment process of Automobile Gears
Since the mid-1980s, China’s gear industry has developed rapidly. Due to the high requirements of technical parameters, the gear required
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Secondary Optimization Modification and Multi body Dynamics Analysis of Helical Gear Pair in Electric Vehicle Reduction Box
Transmission error belongs to error excitation, which is an important factor affecting the vibration and noise of meshing helical gear
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Heat treatment and induction hardening of Automobile Gears
In the early automobile gear production, heat treatment induction quenching was widely used because of its high production efficiency, small
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Meshing Contact Analysis of Helical Gear Pair in Electric Vehicle Reduction Box
Taking the helical gear pair of an electric vehicle gearbox as the research object, the KISSsoft software was used to
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Carbonitriding process for heat treatment of Automobile Gears
Heat treatment carbonitriding process is frequently used because it can effectively improve the depth of carburizing layer, obtain high hardness,
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Carburizing process for heat treatment of Automobile Gears
Heat treatment carburizing process can make gears have good comprehensive mechanical properties, so it is most widely used in the
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Three dimensional finite element model of helical gear contact characteristics
The three-dimensional model of helical gear is established, and the contact analysis of helical gear is carried out by finite
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Pre heat treatment process of automobile gear
Automobile gears are usually made of low-carbon alloy carburized steel. Gear blanks generally need to go through multiple cold and
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Finite element contact analysis and test of spiral bevel gear
The geometric modeling of spiral bevel gear, static loading contact analysis, dynamic loading contact analysis, the design of closed power
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Finite element contact analysis and experimental study of spiral bevel gear
Through experimental measurement and finite element simulation analysis, the spiral bevel gear is analyzed and studied respectively, and the meshing
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Spiral bevel gear design and meshing performance test bench
In order to carry out experimental research on spiral bevel gear, a spiral bevel gear transmission is designed first. According
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Finite element theoretical calculation and analysis of dynamic contact stress and bending stress of spiral bevel gear
According to the working condition of spiral bevel gear simulated in dynamic loading contact analysis, the value range of calculation
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Contact analysis of spiral bevel gear under dynamic loading
In order to obtain the meshing characteristics of spiral bevel gear under dynamic loading, this chapter first introduces its dynamic
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Influence of helical gear parameters on its meshing performance
Transmission error is an important physical quantity used to describe the deviation degree between the actual angle and the theoretical