Three dimensional modeling of circular arc gear and reducer
According to the forming principle of the circular arc tooth line cylindrical gear, in theory, the circular arc tooth line […]
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Stiffness calculation of locomotive traction gear based on meshing stiffness
According to the definition of gear stiffness: It can be seen that the deformation of gear teeth has a linear
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Crack propagation path and life of helical gear root of Metro gearbox
In recent years, China’s urbanization process is accelerating, and people travel more and more. Urban rail transit system is of
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The gear shaft of transmission system is one of the most important components of power transmission in complex power equipment
The gear shaft of the transmission system is one of the most important components of power transmission in the complex
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Gear manufacturers teach you gear related terms and definitions
1.Standard gear a) Definition: both sides of the gear face with ring groove is the standard gear. b) Function: transfer
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Assembly and simulation design of CVT
1 Assembly of camshaft and slip ring In the adjustment setting of transmission, in order to achieve the final application
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Early theory of gear shaft fretting wear in transmission system
Fretting refers to the micro relative motion of the closely matched contact surface in the mechanical parts under the action
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Standard and definition of rough turning allowance of standard gear before hot turning
Scope of application: conventional gear used on reducer; among them, thin wheel is not applicable to this standard, and the
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Solid modeling of core parts of CVT
1 Drawing method of input shaft, cam and slip ring In the application of transmission gear adjustment, the internal parts
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The main reason of torsional vibration instability of gear transmission shaft of rotating machinery
(1) The transmission system of rotating machinery produces torsional vibration when it bears impact load. The main transmission system of
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Development prospect of gear hobbing technology
With the rapid development of information technology and material technology, many new technological achievements have appeared in the field of
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Transmission error of hypoid gear under small load
It can be seen from the calculation model of gear mesh stiffness that before calculating the gear mesh stiffness under
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Gear manufacturer teach you gear technology classification
（1） Cylindrical gear machining （2） Worm pair machining （3） Bevel gear machining （4） Special gear processing （5） Gear machining method
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Structure analysis of continuously variable transmission of automobile mechanical gear linkage
The stepless transmission is of great significance to the driving of automobiles. In view of the current development of automobile
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Development prospect of gear hobbing technology
With the rapid development of information technology and material technology, many new technological achievements have appeared in the field of
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Principle of electronic gearbox
The “electronic gearbox” was put forward by the British in the s. The purpose is to replace the mechanical transmission
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Gear manufacturers teach you the method of gear base surface identification
1.Gear base: The gear base surface refers to the end face of one side of the gear. When turning the
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Research on the difficulties and key technologies of Hobbing
For a long time, short life, poor reliability and heavy structure have become the three major problems restricting the development
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The influence of the blank shape on the height and pitch of the workpiece in the process of cross wedge rolling
The influence of billets on the forming of rolled pieces is studied. The rolling experiments are carried out on the
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Research on the difficulties and key technologies of Hobbing
For a long time, short life, poor reliability and heavy structure have become the three major problems restricting the development
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Contact test experiment of face gear
1. Face gear tooth surface contact detection machine According to the parameters of the face gear, the corresponding face gear
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Semi digital and full digital control of gear shaping
Semi digital control of spiral gear shaping The so-called semi digital control refers to the use of digital differential chain
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Gear hobbing technology and equipment
Gear is one of the important basic parts in the fields of automobile, ship, aviation, engineering machinery, daily tools, national
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The gear manufacturer tells you how to process the gear
Gear transmission is the most widely used and common form of mechanical transmission. The gear uses its teeth to transmit
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Deformation law of large gear and gear shaft
Large gear and gear shaft are important parts of reducer. In the process of carburizing and quenching, the deformation of
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Experimental study on forming process parameters of cross wedge rolling helical gear shaft
All kinds of helical gear shafts are components that transmit motion and power, and are used in many mechanical or
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Analysis of steady vibration response of gearbox
SolidWorks software is used to complete the modeling of the whole gearbox. The gear mesh model is imported into ADAMS
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Study on the optimal design method of vibration reduction and noise reduction of gearbox
Gear transmission is the most widely used mechanical transmission mode, which is widely used in mechanical electronics, mining metallurgy, automobile
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Assembly of double planetary gear transmission
Double planetary gears are used in NW and NGWN planetary transmissions. For a planetary transmission with double planetary gears, in
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Contact simulation of face gear
1. Meshing parameters of face gear The meshing parameters of face gear are: modulus M = 5, pressure angle
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Research on CNC machining of spiral bevel gear shaping
With the development of electronic technology, computer control technology and numerical control technology, the full digital control of gear shaping
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The influence of die helix angle on workpiece during cross wedge rolling
The helix angle of the forming section of the three working conditions is different. The B2 blank in Table 1
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Modification of long gear shaft machined by gear hobbing machine
Gear shaft and spline shaft are common parts in mechanical equipment. In the mechanical equipment of metal processing, gear hobbing
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Fracture analysis of 40Cr steel gear shaft
40Cr steel gear shaft is the transmission part of small mechanical equipment. Because the gear shaft must bear large torque
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Assembly of general planetary gear drive
Transmission principle of this kind of planetary transmission. According to its meshing characteristics, it belongs to NGW type, which is
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Analysis of meshing and interference of tooth surface in parallel connecting rod method and rotation method of spiral cylindrical gear
In order to use three-dimensional model to analyze the meshing of the arc tooth cylindrical gear formed by the two
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Machining method of helical gear: hobbing and shaping
There are many methods of gear machining, such as casting, stamping, overstock and cutting, among which the cutting method is
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Determination of contact area of face gear transmission
In face gear transmission, the curvature radii of cylindrical gears on two orthogonal planes are 1k1 () and K2 ()
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Experiment on load capacity of unsymmetrical spiral bevel gear of mine reducer
Through theoretical calculation and finite element analysis, the bearing capacity of the double pressure angle asymmetrical spiral bevel gear with
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Application of wavelet analysis in fault diagnosis of tractor gearbox
The tractor gearbox is a complex device in the basic components of the whole machine, and the failure rate of
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Mathematical statistics and machining pre quantity of distortion law in gear manufacturing process
1. Statistics of distortion data The distortion of batch gear production has statistical characteristics. In the mass production of gears,
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Ultrasonic nondestructive testing technology for large cast steel gears
Ultrasonic testing technology is a common method in the internal quality testing of large steel castings. Because of many defects
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Assembly of planetary gear transmission
Planetary gear transmission is an advanced gear transmission device. Compared with fixed shaft gear transmission device, it has the advantages
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Analysis of abnormal fracture failure of large induction hardening cast steel gear
A large-scale induction hardening cast steel gear used in a 100 ton crane of an iron and steel company had
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Graphical description of tooth surface, conjugate tooth surface and contact line of tooth surface
This paper analyzes the tooth surface equation, conjugate tooth surface equation and tooth surface contact line equation of involute arc
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Forming principle of helix of helical gear
The tooth profile of the helical gear is involute on the end face, and in the tooth length direction, it
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Contact locus equation of meshing point of face gear
In the meshing transmission, the rotation angles of the cylindrical gear and the face gear are 1 and
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Machining of asymmetric spiral bevel gear with double pressure angle for mine reducer
From the point of view of meshing mechanism and gear characteristics, due to the change of pressure angle of gear
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Study on reducing the noise of tractor gears
Tractor is a kind of strong noise source, which not only pollutes the environment, but also endangers the driver’s health.
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The principle of speed change of planetary gear mechanism
Because the single row planetary gear mechanism has two degrees of freedom, it has no fixed transmission ratio and can
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Geometric parameters of involute arc tooth cylindrical gear
Cylindrical gear transmission is one of the most widely used transmission methods in gear mechanism. At present, it has three
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Welding repair technology for defects of cast steel gears
The welding repair process is suitable for repairing casting defects such as pores, sand holes, slag inclusions, cracks (cold and
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The forming principle and transmission characteristics of helical gear tooth profile curved surface
The helical gear is used to transmit the rotary motion between the parallel axis and the staggered axis, and the
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Tooth surface equation of face gear
Face gear transmission is a kind of gear transmission in which the cylindrical gear and the bevel gear are meshed.
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Meshing principle of unsymmetrical spiral bevel gear for mine reducer
At present, the focus of mining equipment is to lightweight, and the structure of mining mechanical reducer has a significant
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The modification method of tractor gear tooth direction
Tooth profile modification is usually the shape of the drawing, that is, “drum tooth”. Tooth profile modification can be divided
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Reasonable selection of materials to effectively avoid gear failure
It can be seen from the analysis that the material of gear is the most fundamental cause of gear failure,
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Classification of spiral bevel gears
The production of spiral bevel gears plays an important role in the modern machinery manufacturing industry. Because of its large
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Structure and working principle of planetary gear mechanism
1.Basic structure of planetary gear mechanism There are many types of planetary gear mechanism, the simplest of which is composed
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Effect of heat treatment on surface structure and hardness of cast steel gears
With the continuous development of social economy, many industries gradually rise, cast steel gear is an indispensable part of all