Measurement of tooth thickness of automobile gear parts
The method of measuring the tooth thickness of automobile gear parts is usually replaced by the method of measuring the […]
The method of measuring the tooth thickness of automobile gear parts is usually replaced by the method of measuring the […]
The two-dimensional chip shape is combined with the oblique cutting model to predict the cutting force at each time step.
Improving the service life of cold extrusion die is the key point of precision forming of large modulus spur gear.
The actual meshing state of spur gear is shown in Figure 1, and the distance from the node to the
Tooth surface friction parameters of spur gear under random error interference The time-varying friction model on the meshing line of
In order to study the bending stress of helical gear tooth root, the test will be measured under three working
As a prominent performance of modern industrial production is accuracy, the accuracy of automobile gear hobs is regarded as the
The main problems in the production line are as follows: Based on the actual situation of automobile gear production line,
Conical gear is the key part of the three piece special machine. The material of the part is 45# medium
The inspection of meshing contact area of spiral bevel gear in machining and assembly is traditionally colored meshing inspection. That
The author uses the dexel based solid modeling system (module works) to realize the kinematic model of strong tooth scraping.
The error of spur gear mainly includes pitch error and tooth profile error. The pitch error and tooth profile error
As an important transmission part in automobile and machinery industry, the efficiency of traditional machining can not meet the high-speed
In order to study the vibration characteristics of spur gear pair considering the randomness of error and tooth surface friction,
As shown in Figure 1, the 3-DOF bending torsion coupling dynamic model of spur gear pair is established by using
In order to study the influence of different dynamic loading conditions on the contact area of spiral bevel gear, the
MCL ⁃ 1A helical gear wear testing machine is used for the experiment, which is driven by the spindle motor,
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: