Tooth surface equation of bevel gear without backlash
Take the point on the center line as the coordinate origin, fix the base vectors of the coordinate systems S0 […]
Take the point on the center line as the coordinate origin, fix the base vectors of the coordinate systems S0 […]
Tooth thickness is an important parameter for balancing the fatigue life of large and small wheels.Since the number of small […]
Nonlinear dynamic model of yaw-torsion coupling was established for involute spur fixed-shaft gear drive and planetary gear drive respectively, and […]
1. Material Selection of Blank The mechanical gear blank is simple in structure and small in size, and it has […]
Use CAD software to build accurate 3D model of linear bevel gear pair, as shown in the figure. By substituting […]
The tooth profile of the driving and driven section of the linear gear pair is shown in the figure. The […]
Bending fracture of teeth and pitting and flaking of tooth surface are the two most common failure modes of main […]
Nonlinear dynamic model of yaw-torsion coupling was established for involute spur fixed-shaft gear drive and planetary gear drive respectively, and […]
The blank is determined to be abrasive forging. After cleaning, the blank is positive-heat quenched and ground to effectively eliminate […]
The linear gear can also improve the transmission stability by increasing the degree of coincidence. The calculation formula of line […]
Establish the right-hand coordinate system, as shown in Figure 1. S (o-xyz) and S (oxpypzp) are the main and driven […]
(1) Acceleration signal testing principle A three-way acceleration sensor is installed at 180 degrees intervals on the same circumference of […]
The locating elements for spiral bevel gears are V-shaped blocks and press plates. After positioning the workpiece, before drilling, it […]
Nonlinear dynamic model of yaw-torsion coupling was established for involute spur fixed-shaft gear drive and planetary gear drive respectively, and […]
1 Construction of modified tooth surface The modified tooth surface is constructed by superposition of theoretical tooth surface and modified […]
Gear is an important basic component in mechanical transmission. Different from other types of gears, bevel gear, as a special […]
The positioning of the workpiece is achieved by the contact between the positioning surface on the workpiece and the V-block […]
The innovations of the research work can be summarized as follows: (1) The coupling relationship between the acting direction of […]
Nonlinear dynamic model of yaw-torsion coupling was established for involute spur fixed-shaft gear drive and planetary gear drive respectively, and […]
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 […]
The calculation of impact force in this paper is based on the principle of energy conservation at the moment 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; […]
Balancing is a process that improves the mass distribution of the rotor to ensure that the vibration or vibration force […]
In theory, the higher the gear machining accuracy level, the better the dynamic performance of the gear drive system, but […]
The bending and torsional vibration displacements of the concentrated mass points on each drive shaft obtained by simulation are taken […]
Bearing is the main component connecting the gear drive system and the box. Under the action of bearing support reaction, […]
Under gear 1-8, the load-sharing coefficient of the loaded planetary row is shown in the figure, in gear 1-4, the […]
Previous studies have shown that the sound pressure of air radiation generated by no-load knocking of gears is proportional to […]
In gear meshing drive, in order to avoid jamming, clearance between tooth profiles must be left, which is an important […]
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 modification parameters of the two gears are the same, the value range of the modification amount is [0, 0.022mm], […]
Gao Yun used the finite element method to analyze the stress of gear, determined the position of the maximum principal […]
The relationship between dynamic load of gear drive system and modification parameters is very complex. When two or more modification […]
The modification quantity is 0.22mm and the length is 2.8mm. The modification types are linear modification, parabolic modification and conic […]
In the research of tooth profile modification, the influence of tooth profile modification on the strength of gear teeth is […]
There are three ways of tooth profile modification: cutting or grinding a part near the top of the tooth, which […]
With parabolic modification, the dynamic load coefficient changes with the modification amount under different modification lengths as shown in the […]
Linear modification is adopted, and the value range of modification amount is [0, 0.05mm], and the value interval is 0.002mm. […]
1 Selection of Rough Benchmarks The principle of choice is: (1) Non-machined surface principle. (2) The principle of minimum machining […]
TE at small wheel φ1A is smaller than LTE under larger load, indicating that the gap between teeth is not […]
(1) Ring gear root strain test principle Eight teeth are selected as measuring points on the end face of ring […]
Linear modification is adopted with the modification quantity of 0.022m m and the length of 2.8m M. Fixed torque of […]
Linear shape modification is adopted with the amount of 0.022mm. The value range of the length of the modification is […]
Linear shape modification is adopted with the length of 2.8mm and the value range of modification is [0.01mm, 0.09mm]. The […]
The meshing stiffness of the rodent point can be calculated by LTCA. The basic idea is to increase the load […]
In the research of profile modification based on static characteristics, the selection criteria of profile modification length mostly adopt the […]
Steady state condition refers to the condition under which the vehicle travels at a constant speed in a certain position […]
The time history of each variable can be obtained directly by numerical integration. The response type of the system can […]
There may be four kinds of motion forms in gear transmission non-linear system: periodic motion, double periodic motion, quasi-periodic motion […]
Under no-load condition, gear has two-sided impact phenomena and frequently falls out of teeth. Maximum dynamic meshing force and root […]
In order to guarantee the normal operation and use of the double gear effectively and facilitate material processing, the height […]