Introduction to meshing impact in gearing
Published on:
2021-09-15
When a pair of gears is machined and completed, the gear teeth will usually be deformed elastically by the force applied to them when they are meshed. When the gear teeth of two gears are meshed, the load force of the previously meshed gear teeth will usually be relatively reduced, and they will resume deformation toward the load position, thus giving the gear an acceleration.
When a pair of gears is machined and completed, the gear teeth will usually be deformed elastically by the force applied to them when they are meshed. When the gear teeth of two gears are meshed, the load force of the previously meshed gear teeth will usually be relatively reduced, and they will resume deformation toward the load position, thus giving the gear an acceleration.
Then coupled with the original bending deformation of the meshing gear teeth and design and manufacturing errors, so that the gear teeth can not collide with each other from the meshing to the meshing out of the whole process, it will form a meshing impact, then the gear will provoke circular vibration, radial vibration, axial vibration, thus producing noise, and then spread out through the air and other media, so the meshing impact and vibration generated in the process of gear meshing, is the noise generation The reason for the noise.
Gears in gear processing to produce vibration and noise mechanism, gears can be regarded as a spring mass vibration system, gears as a spring, gears as a mass, knotted line impact force and meshing impact force can be regarded as external forces, so that the gears produce circumferential vibration, bearings through the shaft system to induce radial and axial vibration of the gears, bearings and shell transfer to the gear box, causing vibration box wall, or even induce the vibration of the entire device, radiation to the air in the gearbox as gearbox noise.
The above is an introduction to meshing impact in gear transmission.
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