The non-circular gear transmission single-bit measurement is performed under the condition that the measurement state is the same as the actual working state of the gear. This measurement method requires a standard measuring component, which must be more than two higher than the measured gear. Accuracy level. Since the non-circular gear is difficult to process very accurately, and there is no accuracy standard for non-circular gears at home and abroad, in order to obtain a more accurate evaluation result of the non-circular gear measurement, it is proposed to use the cylindrical gear as the standard measuring component. Because the standard cylindrical gear can be made into a very high precision gear, accurate measurement results can be obtained. The planetary gear can be directly used as the standard measuring component to measure the center wheel and the internal gear respectively. The planetary gear in the mechanism should not be used as the standard component, and an intermediate cylindrical gear should be selected as the standard measuring component. The standard gear is separately meshed with the non-circular center wheel and the non-circular planet wheel to achieve the purpose of single-sided meshing measurement. Since the non-circular gears are generally plucked by a spur gear tool, this measurement method is the same as the gear machining state.
In the mechanism of the conversion of the non-circular gear mechanism during the measurement, the planetary gear can be made into a standard measuring component for measurement. In actual operation, the planetary gear rotates around its center and rotates around the central wheel. In the process, the center of the center wheel and the center distance of the planet gear are changed periodically according to the period. In order to simplify the structure of the measuring mechanism, we hope to measure it in the conversion mechanism. After the change, it can adapt to the requirements of the measuring mechanism, simplify the structure of the measuring mechanism, and the household ladder also facilitates the analysis of the motion parameters of the mechanism.
Measurement process motion parameter analysis For error analysis, the lubricant agent must determine the motion relationship between the standard gear and the non-circular gear, that is, the rotation angle of the standard gear, the rotation angle of the non-circular gear, and the center-to-center relationship between them. One-sided meshing measurement of the error of the non-circular gear determines that the single-bit measurement is the analysis and processing of the gear angle error to achieve the evaluation of the gear machining quality. In order to meet the specific transmission requirements, the pitch curve of the non-circular gear cannot be given in many cases. Sexual expressions, so the theoretical value of the corner and center distance is given in the form of discrete points, which also meets the requirements of the measurement.
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