Optimization design method of gear pair optimization model of automobile transmission
In the shift process of the manual transmission, the performance required by the shift gears of different gears is not […]
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Standardized and quantitative evaluation of the life quality index of the gear transmission system of the coal mine machinery
In order to ensure the stable and safe operation of coal mining machinery, the qualitative indexes in the life evaluation
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Gear manufacturing quenching improves cooling uniformity and reduces distortion
It is the basic principle and method to reduce the distortion of workpiece to make the structure and quality of
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Problems left over by the optimization design method of automobile transmission gear parameters
Through the study of the forming process of involute spiral tooth surface, and the application of ANSYS parametric language to
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Fault types of gear transmission system in coal mine machinery
In the gear transmission system which is the most prone to failure in coal mining machinery, the failure ratio of
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Distortion caused by inhomogeneity of quenching and cooling in gear manufacturing
During quenching and cooling, the workpiece will generate volume expansion and large thermal stress and structural stress. If the volume
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Brief introduction of distortion control technology in gear heat treatment
The distortion of gear heat treatment, especially the distortion of carburizing and quenching, makes the gear accuracy greatly reduced. In
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Several measures to prevent forging crack of gear shaft of hard gear reducer
In view of the main causes of the above cracks, we have taken corresponding measures. 1 Strengthen the strict inspection
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Casting process design and properties of spiral bevel gear
As the starting point of the casting forging compound forming process, whether the casting process design and the casting defect
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Cause analysis of forging crack on gear shaft of reducer with hard tooth surface
High quality low alloy steel s17Cr2Ni2Mo is the first choice steel for hard tooth surface gear and gear shaft. In
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Research on the taper of preform of spiral bevel gear by closed hot die forging
Shu Qifu once put forward the concept of “equivalent blank” to study the influence of taper on the forming process
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Study on the tooth profile of preformed spiral bevel gear by closed hot die forging
Based on the design of the process flow, the main purpose of the closed hot die forging step is to
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Research on the uniform diffusion tooth profile scheme of cold precision forging preform of spiral bevel gear
The forming quality of forgings directly determines the product quality and service life. After hot die forging, the surface finish
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Characteristics of rack and pinion drilling machine
Since the end of 1990s, the multi-functional rack and pinion drilling rig has played an important role in the effective
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Process analysis and forging drawing of spiral bevel gear
1. Part drawing analysis The figure is the part drawing of the rear axle driven spiral bevel gear of a
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The significance and direction of the research on Casting Forging Compound Forming Technology of spiral bevel gear
Using traditional manufacturing technology to produce high-performance and complex parts has become a bottleneck restricting the improvement of product quality
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Research status of Casting Forging Compound Forming Technology for spiral bevel gear
The advantage of casting process is that it can produce castings of any size and shape at low cost, but
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The influence of the transmission ratio and center distance of the worm gear combination on the rotation accuracy
The two-stage transmission mechanism combined with worm and gear is widely used because of its advantages of high transmission power,
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On the new milling method of spiral bevel gear
Based on the generating principle of spherical involute tooth surface, a new method of cutting tooth surface of spherical involute
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Design example and test of eccentric displacement gear
According to the method of generating tooth profile, the software of calculating the tooth profile of eccentric displacement gear is
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Research status of forming technology for spiral bevel gear of automobile rear axle
Automobile rear axle (also known as drive axle) refers to the rear drive shaft and related components used to transfer
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The difference between helical gear drive and worm gear drive
Spiral gear transmission and worm gear transmission are two basic mechanical transmission modes. Spiral gear transmission is mainly the fit
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Production technology of spiral bevel gear for automobile rear axle in China
During the 12th Five Year Plan period, China’s automobile industry has made great progress, and the automobile production and sales
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Seven similarities between worm gear drive and spiral gear drive
1.The judgment method of rotation direction is the same The spiral gear drive and the worm drive have the same
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Detection and correction technology of tooth surface deviation of spiral bevel gear
In the production practice, it is an important link to detect the machining error of spiral bevel gear quickly and
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Machining machine and adjusting parameters of spiral bevel gear
The processing principle of spiral bevel gear is shown in the figure. Its profile wheel is an imaginary flat top
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Design criteria and calculation process of double circular arc gear in rolling mill
The use of steel is very extensive, and its role in the national economic system is crucial. With the rapid
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Structural features of precision forging die for half shaft gear
The pre forging die and final forging die need to be designed for the precision forging of the half shaft
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Structural characteristics of precision forging die for planetary gear
The pre forging die and final forging die need to be designed for forming planetary gear by “one heat two
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Analysis on the fretting characteristics of gear shaft under complex working conditions
As the main power transmission mechanism, the gear shaft in the gear transmission mechanism mainly supports the rotating parts and
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Precision forging technology and die design of straight bevel gear
Compared with cutting gear, precision forging gear has many advantages. Therefore, using precision forging technology to produce gear is the
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Abnormal vibration of gear shaft under complex working condition
In modern engineering production, many kinds of heavy machinery, such as high-speed rolling mill, heavy-duty operation equipment, special vehicles, large
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Present situation of precision forging technology of spur bevel gear
At present, the forging process of straight bevel gear mainly includes the following “two fire two forging” and “one fire
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Realization of additional rotation and other motions of helical cylindrical gears
At present, the additional rotation in the slotting process of spiral gear is widely realized by the spiral guide rail.
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Application of numerical simulation technology in gear precision forging
Metal bulk forming is a complex process of large plastic deformation, that is, there is a nonlinear relationship between the
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Kinematic analysis of spiral gear shaping
According to the analysis, in order to cut a complete spiral gear, the gear shaping and workpiece blank must have
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The principle and motion analysis of slotting of helical gear
Principle of slotting When the gear shaper is used to cut helical gears, it is equivalent to the meshing of
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Dressing method of grinding wheel for spiral gear form grinding
The tooth profile accuracy of grinding wheel is relatively high, such as grinding high-precision gear, screw, worm, spline and so
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Research status of design and manufacture of large size and high precision spiral bevel gears at China and abroad
Spiral bevel gear is a key part in the field of mechanical transmission to transfer motion or power between intersecting
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The prospect of spiral gear shaping grinding and grinding wheel dressing technology
The development of gear forming grinding technology in China is relatively late, and it is still in its infancy, but
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Research on forming grinding and grinding wheel dressing technology of spiral gear
The application of gear transmission has a long history and is one of the important forms of mechanical transmission. It
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Factors influencing the life of gear transmission system in coal mine machinery
The function of the gear transmission system of coal mine machinery is to transfer movement and power for the mining
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Research summary of grinding wheel dressing technology at China and abroad
At present, the production efficiency of spiral gear processing method in China is low, and the accuracy of processed gear
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Research summary of form grinding technology at China and abroad
With the development of mechanical industry, gear is developing towards the direction of high precision, high speed, low cost and
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Research summary of gear manufacturing technology at China and abroad
The spiral cylindrical gear is mainly used to transfer the rotary motion between the staggered axis and the parallel axis.
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Vibration mechanism analysis of rolling bearing
The structure of normal rolling bearing is analyzed. There is a certain gap between the moving elements. The rolling element
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Spiral bevel gear machining machine and technology
The tooth surface geometry of the spiral bevel gear is completely determined by the machining parameters of the machine tool.
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Vibration mechanism analysis of gearbox
1. Generation of gear vibration Gear transmission is through a number of teeth at the end of the previous tooth
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The choice of die processing and material for gear precision forging
“One fire and two forging” form straight bevel gear. The tooth surface of the gear die is affected by the
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Types and causes of gearbox faults
The gearbox has a certain design service life, and it will fail due to wear after a certain period of
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Development and present situation of Gearbox Fault Diagnosis Technology
At present, oil analysis, noise monitoring, vibration monitoring, nondestructive testing, torsional vibration analysis, temperature and energy consumption analysis are commonly
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Gear profile modification
Gear modification is the key technology to reduce the vibration, noise and improve the reliability of gear transmission system. Since
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Time invariant / variable model of dynamic nonlinearity of gear transmission system
All the models are developed and established on the basis of the concept of equivalent tooth mesh stiffness, which are
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Dynamic linear time invariant / variable model of gear transmission system
Before the s of the th century, gear dynamics was based on the theory of impact. People used meshing impact
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A survey of the study on the dynamics of gear transmission system
Gear transmission is one of the most widely used mechanical transmission forms. It plays a very important role in machinery,