Compared with traditional cutting process, the hot precision forging cold extrusion compound forming process has the advantages of high efficiency, […]
The advantages of forming cylindrical gears by plastic forming are as follows: 1) Productivity.Taking the small module gear used in
Gears are wheel-shaped mechanical parts that transmit torque by whistling closure of teeth.Gears can change speed and torque, direction of
Gear drive system is widely used in various mechanical equipment because of its accurate transmission ratio, stable and reliable, long
Gear drive system is the core mechanism of mechanical equipment and the main equipment to determine the performance of the
Process analysis: The processing of spiral bevel gears is mainly divided into the following stages: 1) Billet processing: Billet forming
(1) Deep analysis of tooth bias torque caused by deformation of drive shaft and bearing and tooth error is introduced
For tracked vehicle gear drive system, firstly, the dynamic loads of main components in different gears are compared and analyzed;
For the gear transmission system of tracked vehicles, a nonlinear dynamic model of lateral torsional coupling is established. Combined with
Firstly, under the quasi-static condition, the influence of tooth profile modification parameters on meshing stiffness and load distribution coefficient between
ISIGHT software is a multi-disciplinary optimization software which integrates industrial optimization design and automatic analysis and calculation, which is introduced
Fixture positioning and fixture fixture fixture fixture is very important in the process of parts machining. If positioning is not
The relationship between dynamic load of gear drive system and modification parameters is very complex. When two or more modification
There are three ways of tooth profile modification: cutting or grinding a part near the top of the tooth, which
1 Selection of Rough Benchmarks The principle of choice is: (1) Non-machined surface principle. (2) The principle of minimum machining
The time history of each variable can be obtained directly by numerical integration. The response type of the system can
In order to guarantee the normal operation and use of the double gear effectively and facilitate material processing, the height
At present, the materials for spiral bevel gear are 20CrMnTi, 22CrMoH, etc. They are widely used in high-speed, medium or
No-load knocking of gears is one of the important sources of vehicle knocking noise. No-load knocking usually occurs in two
In the figure, O1 and O2 are the rotation centers of large and small wheels, point D is the actual
With the rapid development of modern human scientific manufacturing technology, human beings began to use various scientific knowledge and manufacturing
The key to calculate the impact force of rodent is to accurately locate the rodent point.Based on the position of
1. Forms of Failure A hypoid gear pair is used to match medium truck, medium bus, medium empty cabinet tractor
Spiral bevel gear pair is the main part affecting the performance of axle and vehicle. It is widely used because
For acceleration, the main reasons for errors between simulation results and test results are as follows: 1.The parameters such as
In order to verify the validity of the solid element finite element model in this paper, the stress results of
Blank type determination: In general, 20GrMnTi alloy steel is used for driving axle gears of automobiles and carburized and quenched.CA1092
Spiral bevel gears transmit power and change speed during working process. Rolling and sliding exist between the meshing tooth surfaces
1.Transfer the power output from the engine to the driving wheels via the transmission and the main drive. 2.Change the
Vibration characteristics of two-stage fixed-shaft gear drive system were tested on a dynamic simulation test bench in the Key Laboratory
Calculation Method of Rolling Impact Force of Modified Helical Gear Based on Contact Analysis of Tooth Bearing Rolling impact can
For involute spur fixed-shaft gear drive and planetary gear drive respectively, a non-linear dynamic engagement model including dynamic backlash and
Centering of grinding teeth is the final procedure to ensure the accuracy of angular position of gears. Gear alignment accuracy
After nearly a hundred years of continuous exploration and research, the dynamics of gear transmission system has developed into a
The performance of the wind power system depends to a certain extent on the operation of the wind power gearbox.
(1) After tooth surface modification, under a small load, the clearance between the teeth of the latter pair is sufficient
Based on the proposed calculation method of meshing impact force, the optimum profile design of small gear tooth surface with
(1) The large gear is heated in the heating furnace. The heating temperature is controlled at 120 C for 3
With the increase of speed of gear transmission system, more and more attention has been paid to the research of
Abroad, it is first pointed out that the load of the gear changes in a stepped manner. This method can
Bearing is a key part in the gear box, if there is a problem with the bearing, the gear box
Under ideal conditions, the normal line of the standard involute tooth surface follows the direction of the theoretical engagement line
Gear modification is a key technology to reduce vibration, noise and improve reliability of gear transmission system.Since the tooth profile
Lubrication of gear box is very important to the operation of gear box, especially the position of bearings, gear meshing
(1) Big gears need to be pre-grinded after carburizing treatment, in order to eliminate heat treatment deformation before machining locating
Wind power gearbox is the key part of wind power generator. With the development of wind power, wind power gearbox
(1) After grinding the teeth of the gear shaft, the locating groove is machined as shown in the figure. (2)
When calculating meshing stiffness by quasi-static method, fixed constraints are generally imposed on the center position of each gear and
The experimental study on gear transmission system can repeat the same test condition several times, thus helping researchers to find
For involute spur fixed-shaft gear drive and planetary gear drive respectively, a nonlinear dynamic model of yaw-torsion coupling was established
The design of side gears and hypoid gears is the same as that of arc gears and hypoid gears. The
In fact, the engagement parameters such as engagement angle, clearance and time-varying rigidity of gears are affected to some extent
For involute spur gear drive and planetary gear drive, the yaw-torsion coupling non-linear dynamic model including the dynamic changes of
(1) To meet the high requirement of gear accuracy, foreign high-precision gear grinder is used for gear grinding. Specifically, German
Nonlinear factors such as backlash and time-varying meshing stiffness inevitably exist in gear meshing process, which belongs to the research
Before 1950s, gear dynamics was based on impact theory, and meshing impact was used as the basis to describe and
Double gear is widely used in gear boxes. In general transmission, it is not required to align the teeth.However, this
Gears as high as arc wheels are also called arc wheels. From the side, they show a flat gear shape.
In modern machinery, gear transmission is the most widely used mechanical transmission mode. Its function is to transmit the motion
Processing principle of spiral bevel gear: the analog wheel is the processed gear, the uniform chuck is the teeth of
