Gear hob
Gear precision hob is a kind of tool that is directly processed and formed on gear hobbing machine. Standard tooth […]
Take the following values for relevant parameters: Z H, and take 2 according to the tooth profile angle and helix […]
The cold extrusion forming of spur gear refers to the plastic deformation of the metal blank placed in the die […]
After the transmission test bench is assembled, the contact spot detection experiment of helical gear is carried out below. Because […]
In order to study the contact force variation characteristics of spiral bevel gears under dynamic meshing, the contact force variation […]
The mass loss rate time curve of automotive gear test materials after normalizing and isothermal annealing in 0.6mol/l NaCl solution […]
The cold precision forging of spur gear is developed on the basis of cold forging. There is no need to […]
According to the theoretical knowledge of orthogonal helical gear, when the helical gear and helical cylindrical gear mesh, the two […]
The hob cuts at a certain position, and the cutting teeth bear different working loads, so the wear amount of […]
The selection of gear hobbing cutting speed should consider the tool material and appropriate coating, the modulus of the processed […]
The size and position of the tooth surface contact area of spiral bevel gear affect the vibration, noise and bearing […]
The gear hobbing hob with modulus of 2, number of grooves of 12 and number of heads of 2 is […]
The rake angle of the gear hobbing hob is generally 0 °, and its rake face should pass through the […]
In the meshing process of gear hobbing, the gear hobbing hob is equivalent to the worm, so its stress condition […]
The development of automobile gear heat treatment technology not only implements more strict control on product quality, but also pays […]
Before hobbing helical gear, first, prepare the combined fixture and clamp it correctly according to the relative position of each […]
The research on gear hobbing in China is relatively late, and no one has made a comprehensive and systematic analysis […]
Automobile gear, bearing and differential will produce vibration when working. Once there is a fault, the amplitude distribution of its […]
Warm precision forging process is a precision forging process with forming temperature between 650 ~ 900 ℃. It has the […]
Heat treatment nitriding process is one of the traditional heat treatment processes. However, whether it can be successfully applied to […]
Gear is an important part of automobile transmission system. It plays the role of transmitting power and changing speed and […]
Different from the traditional hobbing and gear shaping processing, NC strong scraping processing is a high-speed general gear processing method, […]
In order to meet the requirements of hobbing helical gear on the gear hobbing machine, the tooling fixture is designed […]
The application of structured light vision technology to the dimension measurement of mechanical parts can realize the non-contact and accurate […]
In the field of engineering technology, the method of finite element analysis has been widely used. It has involved many […]
With the rapid development and wide application of finite element technology, it plays a more and more important role in […]
1. Fine design of processing adjustment parameters The existing tooth surface processing design and modification methods are: Based on the […]
Before the solid modeling of helical gear in Pro/E software environment, firstly, the coordinates of discrete data points calculated in […]
The working condition of spiral bevel gear pair can be simulated in computer by properly preprocessing the finite element mesh […]
Based on the three-dimensional geometric model of spiral bevel gear, the meshing characteristics of spiral bevel gear are analyzed under […]
Study the tooth surface forming principle of face hobbing Cycloid Bevel gear, and form a complete set of theories and […]
1. Gear cutting processing For the gear cutting processing of Gleason spiral bevel gear, “five knife method” has always occupied […]
In order to verify the measurement accuracy and accuracy of the proposed structured light vision system for the involute profile […]
Due to the complexity of face gear tooth surface, it is very difficult to create a complete helical gear model […]
① A calculation method for cutting adjustment of spiral bevel gear face hobbing is proposed. This method can arbitrarily specify […]
Due to the large number of moving axes of spiral bevel gear milling machine, there may be errors in the […]
Spiral bevel gear is an important transmission part widely used in vehicle, aircraft, machine tool, industrial reducer and other machine […]
The application of structured light vision measurement technology can realize the three-dimensional non-contact on-line measurement of industrial parts. The calibration […]
Based on the hobbing processing of spur gear studied by ZHY casting senior engineer team, the tooling and fixture designed […]
When the helical gear meshes with the tool, the speed of the former at the contact point is zero. At […]
In recent years, the manufacturing industry represented by the automobile industry has developed rapidly in China. As an important part […]
This paper studies the conjugate curve bevel gear, demonstrates the basic properties of spatial conjugate curve, puts forward the tooth […]
When deriving the helical gear equation, the main parameters of the tool need to be determined are: normal surface modulus: […]
In recent years, with the continuous research in the field of face gear, according to the axis relationship of transmission […]
The bevel gear model is analyzed by finite element method. The grid size setting, physical parameters, boundary conditions and their […]
The dynamic analysis of the straight bevel gear system is carried out by using romax software, and the dynamic response […]
The design theory and design method of pure rolling contact conjugate curve bevel gear have been discussed. However, in the […]
According to the finite element simulation results of and axial displacement, the assembly offsets of 0.05 mm, 0.1 mm, 0.15 […]
1.Present situation of spur gear machining The processing method of face gear is similar to that of ordinary cylindrical gear, […]
For a pair of bevel gears, to maintain pure rolling contact means that there is no relative sliding motion between […]
1) Tooth isometric modification The straight bevel gear model with equidistant modification of tooth direction is imported into romanxdesigner software […]
As the force along the axis of gear meshing, the axial force determines the axial vibration of gear, and indirectly […]
In recent years, the research on face gear transmission has been carried out abroad, and the team led by F. […]
The transmission error of straight bevel gear is one of the main internal incentives to study the dynamic performance of […]
Involute gear is an extremely important basic part in various equipment manufacturing industries. In the outline of the national medium […]
When the herringbone gear pair with alignment error is meshed, the eccentric load on the tooth surface will have a […]
As shown in the figure, the intersection angle of the two axes is γ 1 is an involute cylindrical gear […]
(1) Based on the gear loading contact analysis method and golden section method, the loading contact analysis model of Herringbone […]
Based on the accuracy standard, combined with the structural constraints of large energy machinery and equipment and the requirements of […]
For a long time, because there is no effective mathematical method to solve the dynamic equation of straight bevel gear, […]