Bevel gear transmissions have been widely used in the automotive, helicopter, machine tool and power tool manufacturing industries. Different applications have different requirements on the performance quality of bevel gears. It is summarized as follows: (1) has a good contact area and can reliably transmit power torque; 2 has a well-matched geometry, can smoothly transmit motion, thereby ensuring uniform load, The transmission is smooth, the vibration is small, and the noise is low. The factory usually uses a double-clamp and a rolling inspection device that detects contact spots to control the quality of the bevel gear, but it is actually difficult to accurately determine the performance of the bevel gear.
The accuracy measurement method of the bevel gear is similar to that of the spur gear, and can usually be divided into three types: a coordinate coordinate geometric analysis method. That is, the bevel gear is used as a geometric entity, and the geometrical elements are separately measured for geometric accuracy; the gear measurement center is its main measuring instrument. 2 meshing integrated precision measurement method. That is, the bevel gear is used as a transmission component to comprehensively measure its transmission accuracy, contact spots, and vibration noise. The measuring instruments mainly include a bevel gear single-face meshing inspection instrument, a bevel gear double-face meshing measuring instrument and a bevel gear rolling inspection machine. 3 bevel gear overall error measurement method. It uses the bevel gear as a geometric entity for realizing the transmission function, or measures the overall error of the bevel gear by the coordinate measurement method according to the single geometric accuracy measurement method, and realizes the inherent relationship between the single geometric error of the bevel gear and the transmission precision and quality. Analytical research; or according to the single-face meshing measurement method, using the meshing point scanning measurement method, the overall error of the bevel gear is measured, and the comprehensive motion precision, contact spot and geometric accuracy of each bevel gear are obtained. Therefore, the bevel gear overall error measurement method is the integration and development of the first two measurement methods.
The accuracy measurement method of the bevel gear is similar to that of the spur gear, and can usually be divided into three types: a coordinate coordinate geometric analysis method. That is, the bevel gear is used as a geometric entity, and the geometrical elements are separately measured for geometric accuracy; the gear measurement center is its main measuring instrument. 2 meshing integrated precision measurement method. That is, the bevel gear is used as a transmission component to comprehensively measure its transmission accuracy, contact spots, and vibration noise. The measuring instruments mainly include a bevel gear single-face meshing inspection instrument, a bevel gear double-face meshing measuring instrument and a bevel gear rolling inspection machine. 3 bevel gear overall error measurement method. It uses the bevel gear as a geometric entity for realizing the transmission function, or measures the overall error of the bevel gear by the coordinate measurement method according to the single geometric accuracy measurement method, and realizes the inherent relationship between the single geometric error of the bevel gear and the transmission precision and quality. Analytical research; or according to the single-face meshing measurement method, using the meshing point scanning measurement method, the overall error of the bevel gear is measured, and the comprehensive motion precision, contact spot and geometric accuracy of each bevel gear are obtained. Therefore, the bevel gear overall error measurement method is the integration and development of the first two measurement methods.
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