Optimization Analysis of Helical Gear Drum Modification Scheme
Figures 1, 2 and 3 respectively show the simultaneous tooth drum modification of wheel and pinion gears, the drum modification […]
Scientific
Scientific
Influence of pinion tooth width on meshing performance of helical gear pair
(1) Influence of pinion tooth width on transmission error of helical gear Figure 1 shows the relationship curve between pinion […]
News
Gearbox efficiency of electric vehicle wheel drive system
At present, most of the cars produced and sold on the market are traditional fuel vehicles. Fuel cars bring many […]
Scientific
Influence of gear width on meshing performance of helical gear pair
(1) Influence of gear width on transmission error of helical gear Figure 1 shows the curve of the relationship between […]
Scientific
Influence of helix angle on meshing performance of helical gear pair
(1) Influence of helix angle on transmission error of helical gears Figure 1 shows the relationship curve between the helix […]
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Planetary gear wheel reducer of electric vehicle
The most prominent feature of planetary gear transmission is to change the fixed axis transmission of ordinary gear transmission to […]
Scientific
Helical gear pair check
1. Meshing interference inspection KISSsoft software can mark the contact point of the tooth surface of two gears in the […]
Scientific
Establishment of Helical Gear Pair Model for Electric Vehicle Reduction Box
1. Helical gear material selection Helical gear materials can be roughly divided into four categories, such as Q235, Q275, 45 […]
Scientific
Solution of Herringbone Gear Meshing Stiffness by Finite Element Method
When Abaqus is used to simulate the meshing stiffness of herringbone gear, the calculation accuracy is affected by the increased […]
News
Dynamic load of high-speed helical gear of electric vehicle based on dynamic model of motor
With the increasingly serious energy and environmental problems, new energy vehicles have attracted much attention. With its advantages of zero […]
Scientific
Evaluation of experimental model of herringbone gear symmetry deviation
In order to evaluate the accuracy of the model, the measured results of herringbone gear at 1000r · min ^ […]
Scientific
Symmetry deviation of herringbone gear
Herringbone gear is composed of two helical gears with equal helix angle and opposite direction. If the tooth surfaces on […]
News
Application effect of heavy gear of shearer rocker arm
In order to verify the actual effect of domestic R&D and manufacturing of heavy gears, Shendong Coal Group Co., Ltd. […]
Scientific
Basic parameters of planetary gear transmission system
In the research of planetary gear transmission system, the module selection range is usually 1-50 mm. Because the small module […]
News
Quality control of heavy gear of shearer rocker arm
The whole process of heavy gear processing shall strictly control the quality and make tracking records, and must be tested […]
News
Dynamic temperature field of planetary gear transmission system
As an important part of wind turbine, planetary gear transmission system has the advantages of compact structure, strong bearing capacity, […]
News
Calculation and optimization design of heavy gear parameters of shearer rocker arm
By using the professional heavy gear simulation analysis software, combined with the actual measurement parameters and working condition parameters, the […]
Scientific
Raw material characteristics of imported shearer rocker gear
The gear material was sampled, and its chemical composition was analyzed by three testing institutions. The chemical composition index was […]
News
Analysis of Idler Gear Working Condition of Rocker Arm Gear Drive of Imported Shearer
The transmission system of the cutting section (hereinafter referred to as the rocker arm) of the imported 6C shearer of […]
News
Gear failure of shearer cutting unit based on deep learning
At present, the common mining method in coal mine production is the comprehensive mining method mainly based on mechanized mining. […]
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Research on on-line detection method of helical gear helix angle based on machine vision
Through MATLAB simulation, the uniqueness of the helical gear side profile shape is verified, the helical gear rotation direction is […]
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Experimental comparison of on-line helical angle detection of helical gears based on machine vision
There is still a certain gap between the accuracy of this method and that of contact measurement. The main reasons […]
News
On line detection of helical angle of helical gear based on machine vision
Helical gears are widely used in engineering. Compared with straight gears, helical gears have the advantages of smooth operation, high […]
News
Machining of bevel gear with high reduction ratio by surface synthesis
Power density and efficiency have always been the main goals pursued in the field of mechanical transmission, among which gear […]
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Digital design of transmission system of reducer
It is a long and tedious process to calculate the parameters of involute gear transmission system in reducer design. In […]
Scientific
Influence of contact force on temperature of helical gear tooth surface
In order to study the influence of temperature on the contact force of helical gear tooth surface, the tooth surface […]
News
Tool shifting of automobile gear hobbing
The amount of channeling should be based on the maximum allowable wear of hobs. Firstly, the allowable gear hobbing channeling […]
News
High order contact analysis method for spiral bevel gears based on ease-off
Based on ease-off theory, a high-order contact analysis method for spiral bevel gear tooth surface is proposed. Compared with previous […]
Scientific
Influence of helical gear tooth surface friction
The friction coefficient of tooth surface in helical gear meshing is f ≤ 0 2. Combined with the relevant research […]
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Gear hobbing tool shifting method for automobile gear
The gear hobbing and tool shifting on the gear hobbing machine can be completed by manual operation or automatic control […]
Scientific
Influence of helical gear tooth plastic deformation
Based on the elastic-plastic model, the tooth surface contact force of helical gear under different loads (400, 1000, 1500, 2000N […]
News
Shifting of automobile gear hob
The purpose of tool shifting of automobile gear hob is to make all teeth of hob have about the same […]
Scientific
Contact analysis of helical gear teeth
The heating flow density is applied to the meshing contact helical gear tooth surface, and the convective heat transfer coefficient […]
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Calibration of automobile gear hob
Most of the inherent accuracy of the gear hob can be destroyed. Therefore, if the tolerance of tooth profile is […]
Scientific
Contact analysis of helical gear tooth elastic model
The elastic and elastoplastic models can be obtained by inputting two different strain curves. Among them, the elastic model only […]
News
Calibration of automobile gear hob
Most of the inherent accuracy of the gear hob can be destroyed. Therefore, if the tolerance of tooth profile is […]
Scientific
Deviation analysis of parametric modeling for reverse measurement of double circular arc gears
The sources of gear errors are as follows: machining deviation, measurement deviation and wear deviation. In terms of machining, the […]
Scientific
3D modeling of helical gear
By combining the basic involute equation with the involute in the gear machining coordinate system, the involute curve equation of […]
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Backlash of automobile gear and gear hob
In general, the tooth side clearance of automobile gear is switched with the matching wheel. It only happens when the […]
Scientific
Contact stress of spiral bevel gear in limit state
The contact strength is a key link to be considered in the design of spiral bevel gears. The strength calculation […]
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Comprehensive error inspection of automobile gear parts
The comprehensive error shows the ring gear runout, pitch error, tooth thickness change, tooth profile error and change. The inspection […]
Scientific
Basic parameters of spiral bevel gear
Parameter name Parameter value Tooth ratio 31/26 Large end modulus / mm 8.654 Helix angle / (°) 35 Pressure angle […]
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Single error detection of automobile gear parts
1. Diameter jump of ring gear The diameter jump of the ring gear of the automobile gear is the value […]
Scientific
Machining test of bevel gear tooth top trimming
1. Part installation and positioning Install the NC turntable in the middle of the workbench of the vertical machining center, […]
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Machining error and tool improvement of automobile gear hob
Gear inspection is an important part of gear manufacturing. Lack of inspection and process control will lead to the outflow […]
Scientific
Test preparation of bevel gear tooth top trimming technology
1. Software preparation The secondary development is carried out on the basis of NX software, and a small plug-in is […]
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Automobile gear hob material
Almost all auto gear hobs are made of high-speed steel. High speed steel is a tool steel with high hardness, […]
Scientific
Calculation error of large coincidence degree of spiral bevel gear
According to the relevant provisions of GB / T 11365-2019 standard, the specific accuracy values of spiral bevel gears and […]
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Accuracy of automobile gear hob
In order to achieve the purpose of standardization, we classify automobile gear hobs according to manufacturing accuracy. The main purpose […]
Scientific
Fatigue simulation evaluation of hypoid gears with super reduction ratio
The established three-dimensional assembly model of super reduction ratio hypoid gear is imported into the finite element software Ansys Workbench. […]
Scientific
An example of the design of spiral bevel gear with large degree of reconnection
Taking the working surface of a pair of spiral bevel gear pairs that can be paired (in which the large […]
News
Tooth profile of automobile gear hob
In the process of tooth profile generation, the tooth profile of automobile gear hob works in conjugate form. The formation […]
News
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 […]
Scientific
Preset meshing performance of spiral bevel gear
The main indexes of meshing performance of spiral bevel gears include transmission error, tooth surface impression and design coincidence degree. […]
News
Number of hob heads for automobile gears
Although most automotive gear hobs still have only one head number, multi head hobs have great advantages under appropriate working […]
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Spiral groove of automobile gear hob
The groove type of automobile gear hob is divided into straight groove and spiral groove. The straight groove is very […]
Scientific
Calculation of starting and final tangent points of gear hob
The positions of the starting and final tangent points of the gear hob along the tooth axis are shown in […]
News
Driving mode of automobile gear hob
There are generally two ways to install and drive automobile gear hobs. Automotive gear hobs are usually mounted on a […]
Scientific
Determination of installation position of gear hob
The starting position of gear hobbing tool installation is shown in the figure. End position of tool channeling: LPO / […]
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Design elements of automobile gear hob
At present, as an efficient gear making process, automobile gear hobbing is widely used in automobile production enterprises all over […]