Isothermal normalizing process of carburized gear blank forging waste heat
Automobile gears are usually made by alloy carburizing. The gear blank generally needs to go through multiple cold and hot […]
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Optimization of gear grinding machine parameters to improve gear grinding efficiency of carburized and quenched gears
Grinding parameter optimization According to the grinding characteristics of grinding wheel, reasonably improve the grinding parameters. Comparison of grinding efficiency
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Example of hobbing method for high order elliptic gear
Taking MATLAB as a tool, the three-dimensional virtual gear hobbing of high-order elliptical spur gear and helical gear is carried
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Forging process of gear blank based on minimum damage value
In forging industry, in order to improve design efficiency, reduce manufacturing cost and improve product quality, it is necessary to
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Selecting grinding wheel to improve grinding efficiency of carburized and quenched gear
The selection of grinding wheel mainly considers abrasive, particle size, hardness, binder, etc. Abrasive The selection of grinding wheel abrasive
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Composite structure design of large gear blank
As one of the most basic transmission parts in the mechanical industry, gear is used to adjust the speed and
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Methods of improving gear grinding efficiency of carburized and quenched gears
The heavy-duty gearbox gear bears a great load, which requires the characteristics of stable transmission, low noise and long service
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Influence of cutting edge shape of gear hobbing tool on tooth surface roughness
The shape of tool edge is also an important factor affecting the tooth surface roughness in gear hobbing. Two hole
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Forging and heat treatment process of large gear blank
Large gear is an important mechanical transmission part in mining machinery, steam turbine, generator and other large equipment. Its quality
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Influence of fillet radius of hob top edge on tooth surface roughness in gear hobbing
During gear hobbing, the surface quality at the gear root is determined by the fillet radius and rake angle of
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Improvement of forged gear blank production line
Some situations and solutions encountered in the forged gear blank production line are described below. (1) During parting, the forged
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Influence of gear hobbing processing parameters on tooth surface roughness
Y3150 gear hobbing machine is selected as the experimental equipment, 6542 tungsten molybdenum high-speed steel, class a gear hob with
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Production technology of forged gear blank
Straight bevel bevel gear is a component of automobile differential, which is made of low-carbon alloy steel. Its normal warm
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Measuring method of tooth surface roughness in gear hobbing
Because the gear tooth surface roughness is affected by many factors, the results obtained from different tooth surface measurement directions
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Precision forging of driven spiral bevel gear
The spiral bevel gear formed by precision forging has the advantages of reasonable streamline distribution, less material waste and high
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Calculation results of meshing stiffness of helical gears without considering tooth profile trimming
In order to verify the accuracy and rapidity of the method in this paper, the same gear parameters are used
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Precision forging and numerical simulation of driven spiral bevel gear
The precision forging process of spiral bevel gear has high requirements for pre forming and forging process parameter design. Reasonable
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Machining simulation experiment and analysis of driving gear of shearer cutting part
Based on the parameters of a shearer and combined with the actual operation, the simulation experiment is carried out by
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Numerical simulation of final forging process of spiral bevel gear and Study on die elastic deformation
The material deformation, physical field distribution and die elastic deformation of final forging process are analyzed. The shape and size
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Machining error and influence of driving gear in shearer cutting section
The transmission system of shearer cutting part is mainly composed of cutting motor, cutting drum, fixed shaft gear, gear shaft
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Establishment of comprehensive meshing stiffness model of helical gear with tooth profile trimming
When the helical gear is an ideal tooth profile, assuming that there is no backlash between the gear pairs and
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Gear cutting test on universal milling machine
In order to realize the new gear cutting method on the general milling machine, a device which can make the
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Finite element analysis of forging process of spiral bevel gear
According to the process scheme of “blanking upsetting punching compound rolling preform final forging”, the rings rolled to the required
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Gear cutting test on shaft machining center
The proposed gear cutting method can be directly realized by using a 5-axis machining center. When the vertical machining center
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Numerical simulation of final forging process of spiral bevel gear
The final forging process ultimately determines the quality of forgings, so it is very important to optimize the final forging
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Gear cutting processing of helical gear blank conical end mill
In the case of machining helical gears, the tool moves along the rotation axis of the gear blank, which is
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Gear precision forging technology warm forging process
As the project requires to find a practical production way suitable for the factory, a high-speed, single action and single
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Preform technology in forging process of spiral bevel gear
In order to study the preform process in the forging process of spiral bevel gear, the thermal mechanical coupling finite
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Analysis of forging defects of helical gears
The defects in the forging process of helical gear are shown in the figure. In the process of helical gear
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Forging process of helical gear based on DEFORM
For the research of traditional helical gear forging process, scholars and researchers at home and abroad mainly focus on the
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Meshing stiffness and error model of Helical Gear Considering modification
The helical gear can be regarded as a sheet helical gear. The helical gear is divided into m sheet helical
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Adjustment method of module, number of teeth and pressure angle in gear cutting of conical end mill
In this method, the gear parameters, i.e. modulus m, number of teeth Z and pressure angle α ， It can
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Research content of precision forging technology of spiral bevel gear
Taking the precision forging process of automobile driven spiral bevel gear as the research object, the metal dynamic law and
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Development of gear precision forging technology
Gear precision forging has developed greatly in recent decades. More and more manufacturers and users pay attention to manufacturing gears
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Problems in precision forging technology of spiral bevel gears
The driven spiral bevel gear mechanical transmission system plays the role of adjusting speed and transmitting power. It has the
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Basic principle of gear cutting method of conical end milling cutter
The proposed method uses a conical end mill as a tool, moves back and forth in the tooth width direction,
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Causes of forging folding defects of transmission second shaft gear
Forging process flow of two shaft gear forgings: blanking with band saw（ φ 85mm round steel) → heating in medium
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Comprehensively consider the influence of tooth profile and tooth direction modification parameters on the stiffness and transmission error of helical gear
The modification amount of helical gear profile CA = 30 μ m. The helical gear profile modification length La =
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Nonlinear excitation and dynamic characteristics of helical gear system considering modification
Because the load of gear transmission system fluctuates greatly in the alternating area of tooth number, it will cause vibration
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Problems in precision forging technology of spiral bevel gears
Generally speaking, the precision forging technology of spiral bevel gear has been greatly developed in theoretical research, process test, engineering
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Isothermal normalizing process test of carburized gear blank forging waste heat
1.Microstructure and performance requirements of forged gear blank 20CrMnTi is selected as the material of automobile gearbox gear. The technical
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Forging folding defect of transmission second shaft gear
Folding is a common defect in gear forging production, which is formed by the local convergence of oxidized metal surfaces
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Quality and precision control of precision forging technology for spiral bevel gears
As a transmission part, gear has very strict requirements for dimensional accuracy. However, under the forming condition, the die will
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Mathematical model for optimization of forging process parameters of gear blank
The optimization problem in forging process includes two aspects: first, analyze the optimization design problem and establish the corresponding mathematical
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Precision forging technology and die design of spiral bevel gear
In precision forging process, die technology is closely related to the performance, accuracy and processing mode of parts. The development
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Key manufacturing technology of large gear blank
The large gear of converter secondary reducer is the tilting of converter and the main bearing component in the process
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Analysis on forming process of gear precision forging technology
The forming and filling of spiral bevel gear is complex. The process analysis of forging should focus on the plastic
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Improvement of heat treatment process for forged gear blank
In the original process, the forged gear blank is directly air cooled to room temperature after forging, and then rough
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Numerical results of differential eccentric gear based on unequal division model
Programmed and calculated under Matlab, when the number of coordinate points of involute working tooth profile of reference tooth is
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Research status of gear precision forging technology
The level of gear precision forging technology represents the development of a country’s manufacturing industry to a certain extent. The
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Structural characteristics and working mechanism of eccentric gear noncircular gear planetary system transplanting mechanism
The schematic diagram of the eccentric gear non-circular gear planetary system transplanting mechanism is shown in Figure 1. The relative
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Motion mechanism of eccentric gear noncircular gear planetary transplanting mechanism
The transplanting mechanism is the core working part of the rice transplanter, which realizes the action of transplanting and transplanting.
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Asymmetric design process of upper and lower dies for gear blank forging
In the process of gear blank forging, due to the cylindrical upsetting effect of the blank, the contact area between
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Continuous indexing cutting face gear with straight edge cutter
In order to further improve the machining efficiency of rough cutting soft tooth face gears with straight edge tools, Dr.
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Development of gear precision forging technology
Precision forging technology has obvious advantages: low cost, high efficiency, energy and material saving, high precision and so on. There
Scientific
Improvement of forging process of gear blank
Taking the forging of a large gear blank as an example, the forging drawing is shown in Figure 1, with
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Driving axle hypoid gear based on meshing misalignment
Hypoid gear is a key part in the transmission system of automobile drive axle. Its tooth surface meshing quality directly
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Overview of face gear manufacturing technology
Face gear drive is a transmission mechanism in which involute cylindrical gear (small wheel) meshes with bevel gear, as shown
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Present situation and development trend of ball gear manufacturing technology
Involute ring gear ball gear is a new type of gear mechanism, which plays a key role in realizing multi
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Optimization analysis of forging parameters of gear blank
According to the comparative analysis of the four schemes in Figure 1, Φ 100mm bar has the best forming effect