Preface Gear mechanism has high transmission efficiency, long service life,Gear is the most widely used mechanism in machinery, with superior […]
Foreword Gears are the basic unit of mechanical transmission systems, widely used inaviation, ships, vehicles and other industries. With 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
With the advancement of processing technology and the improvement of gear accuracy requirements, traditional processing methods have been unable to
The machining of spur gears can be modeled on the machining method of cylindrical gears, based on the principle of
The constant tooth height arc bevel gear has the advantages of stable and reliable transmission, good impact resistance, and low
Straight face gear transmission is a transmission in which straight cylindrical gears mesh with face gears, mainly used to transmit
comparison analysis of tooth surface generated by face gear shaper method and tooth surface generated by gear shaper method Calculate
1. Experimental setup In order to verify the overall effectiveness of the image recognition method for grinding cracks in automotive
Helical tooth surface gear transmission is a spatial non-parallel shaft gear transmission form, which is composed of a cylindrical gear
Helical gears have a high degree of coincidence with straight gears and have stable transmissionGood, compact structure, high load capacity,
Based on extracting the features of grinding crack images of automotive gears, the method of support vector machine is used
The shield machine is widely used in the construction of subway, river crossing and other long and large tunnel projects.Widely
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
Gear transmission is widely used in machinery, transportation and other fields.The operating efficiency and service life are largely determined by
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
Vibration test Based on the vibration test of the drive axle transmission system, three-direction acceleration transmissionThe sensor acquires acceleration vibration
1 Internal excitation of the main reducer system Dynamic excitation is the root cause of vibration and noise in drive
The face gear pair consists of a spur gear and a face gear, as shown in Figure 1.It is a
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
Introduction Currently, the modified straight bevel gears are widely used in machine tools and other equipment, as well as in
The three-way Dexel modeling engine used is ModuleWorks. In order to establish the simulation, a triangular mesh model is created
High-speed dry hobbing is a new technology for gear machining,It is an efficient manufacturing process for machining spur and helical
Preface Independent operation and maintenance is the key to continuously promote the construction and expansion of intelligent manufacturing in recent
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
0 Introduction Spiral bevel gear (Gleason) is an important part in mechanical transmission.件, due to its high coincidence, low noise,
Roller conveyor lines play an important role in the field of mechanical productionIts function is to improve production efficiency and
Gear hobbing is widely used in the manufacturing industry to produce high-quality straight cylindrical gears and helical cylindrical gears. Like
Considering multi-state meshing, load distribution rate, time-varying meshing stiffness and backlash, a bend-torsion-shaft dynamic model of straight bevel gear transmission
Take dimensionless parameters ω ＝ ０． ７３、Ｆ ＝ ０． １、 ζ ＝ 0.05, the values of other parameters are the
Straight bevel gears play a vital role in automotive applications, contributing to enhanced performance, durability, and overall efficiency. Here’s how
