Based on the graph model, the finite element models of spur gear pairs with center distance deviations of 0 mm, 0.03 mm, 0.06 mm, 0.09 mm, 0.12 mm, and 0.15 mm are established. The load torque T of the driven wheel is 200 N · m, and the rotational...
Through dynamic simulation and orthogonal experimental design of spur gears, the influence of slot hole structural parameters on the vibration characteristics of spur gears was studied and verified through experiments. The main conclusions are as follows: (1) The slotted tooth structure has a significant inhibitory effect on the meshing...
In recent years, with the popularization of electric vehicles, the requirements for vibration and noise performance of spur gear transmission system have been significantly improved. As a kind of parameter self excitation system, spur gear transmission system will generate self excitation vibration under the action of internal excitation even...
The vibration response of spur gear pairs during meshing varies with boundary conditions. This section establishes a finite element model of spur gear dynamics with different center distance deviations, different rotational speeds, and different load torques. Through transient dynamic finite element simulation analysis, the impact of different parameters on...
Extract the theoretical rotation angle of the driving wheel within 0.17s-0.175s of the stable stage of the spur gear pair at different rotational speeds θ 1b and the actual rotation angle of the driven wheel θ 2a. Calculate and draw the dynamic transmission error curve of the spur gear...
Spiral bevel gears are key components of aviation power transmission systems, and their machining accuracy directly affects the meshing quality of spiral bevel gear pairs and the transmission performance of the entire transmission system. At present, spiral bevel gears can be divided into five knife method and full process...
With the rapid development of China’s economy, mining machinery, engineering machinery, marine engineering equipment and other heavy machinery and equipment are widely used in energy, marine, transportation, metallurgy and other fields. Due to the simple structure, direct transmission and other characteristics of heavy-duty gear and rack transmission, it has...
1) With the increase of load from 1 N · m to 5 N · m, the area of engagement mark increases, the maximum bending stress of tooth root increases from 29.2 MPa to 128.6 MPa, and the maximum contact stress of tooth surface increases from 501.1 MPa to...
Considering the influence of center distance deviation, the meshing process of a single gear tooth is discretized into 20 meshing points, and a static meshing finite element model of a spur cylindrical gear pair at different meshing points is established. The variation of meshing stiffness and transmission error with...
The semi hobbing method for small module spiral bevel gears is feasible. Cutting speed can be improved if coating can be applied to the tool or if the blade type tool is made of cemented carbide. Cutting time for wheel and pinion can be further reduced, and the promotion...