According to the principle of elliptical arc tooth line cylindrical gear transmission, the formula for calculating the rotational speed of […]
Import the model of elliptical arc tooth line cylindrical gear pair into Adams, add constraints and motion pairs in the
On the premise of ensuring the same modulus, tooth ratio, tooth width and pressure angle, the model of elliptical arc
Effective quality control in heat treatment is essential to ensure the reliability and performance of heat-treated components. Detecting and eliminating
The geometric features of elliptical arc tooth line cylindrical gears are shown in Figure 1. The tooth surface is divided
Cylindrical gear transmission devices are widely used in various mechanical structures. With the vigorous development of modern manufacturing, the dynamic
As mentioned earlier, no matter how the number of teeth changes, the transition curve always exists and follows the formula.
Define point G as the starting point of the involute tooth profile, point K as the end point of the
The basic idea of determining the meshing stiffness of spur gears is to calculate the actual tooth contact deformation at
The transmission error and contact marks of helical gears can reflect the meshing performance of helical gear pairs. To investigate
The tooth surface analysis of a standard helical gear pair before modification under load conditions is shown in the figure.
The three-dimensional assembly model of the helical gear pair transmission system established in UG is saved in x.t format, and
The mathematical model of helical gear is established based on the meshing principle of helical gear tooth surface and the
Helical gear transmission is usually equivalent to a pair of reverse tapered roller contacts for processing, and then segmented along
According to the end face coincidence degree εα Coincidence with axial direction εβ The variation of the length of the
As an important basic component, helical gear transmission has the advantages of stable transmission and high bearing capacity, and is
Signal channels 1, 2, 3, and 4 correspond to four positions of the input shaft radial, axial, and output shaft
1. Contact spot inspection The same test conditions were used for the three groups of tests. After the spur gear
The autocorrelation function is first obtained from the time domain signal, and then the Fourier transform of the autocorrelation function
Figure 1 shows the design of a cylindrical gear vibration reduction slot hole structure, with a longitudinal groove in the
Complete the equivalent conversion of machining parameters for spiral bevel gears using the full process method, and express the motion
Perform Fourier transform on the meshing force curve of the spur gear pair in Figure 1 to obtain a spectrum
During the meshing stability stage of the spur gear pair from 0.17s to 0.173s, take a point on the spoke
Based on the model in Figure 1, the center distance deviation is set to 0.06 mm, the load torque T
Perform Fourier transform on the meshing force curve of the spur gear pair in Figure 1 to obtain the meshing
Extract the theoretical rotation angle of the driving wheel within 0.17s-0.175s of the stable stage of the spur gear pair
Extract the meshing force curves of the spur gear pair within 0.17s-0.175s of the stable meshing stage of the gear
1. Hob tooth profile curve Referring to the design and calculation of the tooth profile of the spiral bevel gear
Precision forging is a manufacturing process that excels in achieving customization and complexity in the fabrication of metal components. It
Hobbing method for machining spiral bevel gears: The traditional Gleason mechanical structure spiral bevel gear milling machine uses a milling
The transmission efficiency of small module spiral bevel gears is the highest among various mechanical transmissions, which has great economic
The basic parameters of the selected straight tooth surface gear are a straight tooth surface gear with a module of
The machining of spur gears can be modeled on the machining method of cylindrical gears, based on the principle of
Straight face gear transmission is a transmission in which straight cylindrical gears mesh with face gears, mainly used to transmit
1. Experimental setup In order to verify the overall effectiveness of the image recognition method for grinding cracks in automotive
Based on extracting the features of grinding crack images of automotive gears, the method of support vector machine is used
After image segmentation, the grinding crack image of an automobile gear becomes optimized data that can accurately extract regional features.
Select a 3D visual sensor and divide the pre processed image data of grinding cracks in automotive gears into gear
The color capture of the color pickup lens of a CCD industrial camera is mainly based on three primary colors:
During the process of collecting and extracting automotive gear grinding crack images, due to noise interference, overexposure, and pixel distortion,
Quenching is a critical step in the heat treatment process that involves rapid cooling of the material to achieve the
The acquisition of grinding crack images of automotive gears mainly occurs in image acquisition devices in automotive transmission systems, which
In recent years, with the rapid development of China’s automotive industry, the demand for automotive gears is increasing day by
Through experimental verification of the tensile properties of automotive gear forgings, it can be seen that different heat treatment processes
Through experimental verification of the wear resistance of automotive gear forging blanks, it can be seen that different heat treatment
When testing the wear resistance of automotive gear forging blank test samples, the THT type high-temperature friction and wear testing
Decarburization is a common concern in heat treatment processes, where the carbon content near the surface of the material is
Material selection and production method of automobile gear forging blank: (1) Using the chemical composition of 20MnCr5 steel as the
In order to improve the quality of automotive gears, various heat treatment processes are used to heat treat gear forging
1. Pre heat treatment process This process is the core step of the automotive gear manufacturing process. By pre heat
The raw material for manufacturing automotive gears is low-carbon alloy carburized steel, and the manufacturing process mainly includes five steps:
Automotive gears are key components of automobiles. If there are quality problems with automotive gears, the safety of automobiles can
Fx Fy Fz Root mean square value of prediction error ５８．２ Ｎ（１１．２％） ６０．４ Ｎ（１１．６％） １０８．７ Ｎ（４．６％） Standard deviation of prediction
In order to verify the kinematic model, during the gear hobbing test, the position track of the cylindrical gear is
In order to verify the effectiveness of the proposed simulation method for cylindrical gear machining, several cutting experiments were carried
As shown in Figure 1, the triangles that form the two-dimensional undeformed chip are assigned to the nearest mesh node
The three-way Dexel modeling engine used is ModuleWorks. In order to establish the simulation, a triangular mesh model is created
Enhancing automotive performance using advanced spiral bevel gear mechanisms involves a combination of precise engineering, innovative materials, and sophisticated design
Take spur gear as an example to analyze hobbing kinematics, as shown in the figure. Hob (cutter) and spur gear
Gear hobbing is widely used in the manufacturing industry to produce high-quality straight cylindrical gears and helical cylindrical gears. Like
