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. […]
In order to verify the actual effect of domestic R&D and manufacturing of heavy gears, Shendong Coal Group Co., Ltd. […]
The whole process of heavy gear processing shall strictly control the quality and make tracking records, and must be tested
As an important part of wind turbine, planetary gear transmission system has the advantages of compact structure, strong bearing capacity,
By using the professional heavy gear simulation analysis software, combined with the actual measurement parameters and working condition parameters, the
The transmission system of the cutting section (hereinafter referred to as the rocker arm) of the imported 6C shearer of
At present, the common mining method in coal mine production is the comprehensive mining method mainly based on mechanized mining.
Through MATLAB simulation, the uniqueness of the helical gear side profile shape is verified, the helical gear rotation direction is
There is still a certain gap between the accuracy of this method and that of contact measurement. The main reasons
Helical gears are widely used in engineering. Compared with straight gears, helical gears have the advantages of smooth operation, high
Power density and efficiency have always been the main goals pursued in the field of mechanical transmission, among which gear
It is a long and tedious process to calculate the parameters of involute gear transmission system in reducer design. In
The amount of channeling should be based on the maximum allowable wear of hobs. Firstly, the allowable gear hobbing channeling
Based on ease-off theory, a high-order contact analysis method for spiral bevel gear tooth surface is proposed. Compared with previous
The gear hobbing and tool shifting on the gear hobbing machine can be completed by manual operation or automatic control
The purpose of tool shifting of automobile gear hob is to make all teeth of hob have about the same
Most of the inherent accuracy of the gear hob can be destroyed. Therefore, if the tolerance of tooth profile is
Most of the inherent accuracy of the gear hob can be destroyed. Therefore, if the tolerance of tooth profile is
In general, the tooth side clearance of automobile gear is switched with the matching wheel. It only happens when the
The comprehensive error shows the ring gear runout, pitch error, tooth thickness change, tooth profile error and change. The inspection
1. Diameter jump of ring gear The diameter jump of the ring gear of the automobile gear is the value
Gear inspection is an important part of gear manufacturing. Lack of inspection and process control will lead to the outflow
Almost all auto gear hobs are made of high-speed steel. High speed steel is a tool steel with high hardness,
In order to achieve the purpose of standardization, we classify automobile gear hobs according to manufacturing accuracy. The main purpose
In the process of tooth profile generation, the tooth profile of automobile gear hob works in conjugate form. The formation
At present, miniaturization, high speed and low consumption are the important development direction of gear transmission parts. Compared with other
Although most automotive gear hobs still have only one head number, multi head hobs have great advantages under appropriate working
The groove type of automobile gear hob is divided into straight groove and spiral groove. The straight groove is very
There are generally two ways to install and drive automobile gear hobs. Automotive gear hobs are usually mounted on a
At present, as an efficient gear making process, automobile gear hobbing is widely used in automobile production enterprises all over
Taking accuracy as the basic dimension of gear hob classification, it can be divided into finish machining, semi finish machining
Due to the high-quality machining characteristics and long tool life of cemented carbide gear hob, it has been explored and
Multi head gear hob is not a new concept. In the actual production, the experience of using this type of
Gear rough hob is mainly used before fine rolling. They are mainly used to process large module gears, with a
Gear semi precision hobs are mainly used in the hobbing process before shaving or grinding. Hobs of any accuracy grade
The current trend is that a large number of factories order and use non-standard hobs. Gear hob design engineers can
Based on the actual needs of gear hobbing tools in automobile gear production line, it is transformed into seven elements
The gear hob used in the automobile industry is usually the tool for Machining Involute Cylindrical Gear by generating method
At present, the production and sales volume of China’s automobile industry has reached more than 22 million through explosive growth,
Gear is the key basic part of automobile. Most speed change and transmission components in automobile are related to gear
The conical gear is a straight tooth with a module of 5 and a number of teeth of 20. The
(1) bearing pedestal. The design of the bearing seat is shown in Figure 1. This part is the basic part
The conical gear is a straight tooth with a modulus of 5 and a number of teeth of 20. The
Spiral bevel gear transmission is widely used in high-speed and heavy-duty gear transmission systems with intersecting transmission of two axes,
Vibration characteristics of spur gear pair based on the randomness of error and tooth surface friction: (1) Using the method
With the development of spur gear transmission system towards high speed and high power density, how to solve vibration and
Helical gear has the characteristics of good meshing performance, large coincidence degree and compact structure, resulting in less impact vibration
In the reliability analysis of spiral bevel gear structure, there are inevitably uncertainties related to the external environment, material characteristics,
1. Technical difficulties There are several difficulties in carrying out bevel gear tooth top trimming under traditional conditions: (1) Tooth
Bevel gear is a component that can drive according to a stable transmission ratio. Because of its high transmission efficiency,
As shown in the figure, the included angles between the five contact paths and the root cone on the convex
Spiral bevel gear has the advantages of stable transmission, low vibration and noise and large bearing capacity, which makes it
At present, miniaturization, high speed and low consumption are the important development direction of gear transmission parts. Compared with other
Automobile gear hobbing has the characteristics of high productivity and good universality. It is a gear processing technology widely used
The design parameters of gear hobbing hob for automobile gear processing are complex, mainly including outer diameter, total length, inner
Through the analysis of gear hobbing machining error, the following are mainly completed: The formation mechanism of tooth profile error
In the process of gear hobbing, the machined materials and cutting conditions affect the unit cutting force of the hob,
The research on gear hobbing process in foreign countries was carried out earlier. Germany and Japan began to carry out
Gear hobbing is processed by the principle of generating method. It can be used to process spur gear, helical gear,
Gear mechanism is used to transfer the motion and power between any two shafts in space. Compared with other mechanical
Spiral bevel gears are widely used in mechanical transmission systems with intersecting or staggered shafts, and their tooth surface accuracy