A method for measuring output shaft runout

Abstract

The invention relates to a method for measuring the runout of an output shaft. By comparing the difference between the measured value of the beating of the outer stop when the mechanical component completes the specified working time or after a fault occurs, it is determined whether there is abnormal wear of the mechanical component after it works. The situation ensures that the rotation center of the axis is the same as the working state when the runout is measured. The invention can simply and quickly reflect product quality, facilitate product inspection in external factories, prevent products from returning to the factory for decomposition, save cycle time, and improve work efficiency.

Description

technical field [0001] The invention relates to a measuring method, in particular to a method for measuring the runout of an output shaft, aiming at accurately measuring the runout of the output shaft under the actual working stress state of a gear transmission box. Background technique [0002] In the mechanical device, due to the certain fit gap between the gears, bearings, bearing bushes and other parts, the interaction force of the gears will cause a certain deviation in the direction of the force during work. In addition, with the extension of the working time , it will inevitably cause wear of the mechanical parts, resulting in an increase in the fit gap between the parts, and an increase in the offset during work, which will reduce the positioning and transmission accuracy and cause the entire mechanical device to work. The performance is degraded, and in severe cases, it will directly cause the mechanical device to fail to work normally. At present, the commonly use...

AI Technical Summary

Problems solved by technology

[0002] In the mechanical device, due to the certain fit gap between the gears, bearings, bearing bushes and other parts, the interaction force of the gears will cause a certain deviation in the direction of the force during work. In addition, with the extension of the working time , it will inevitably cause wear of the mechanical parts, resulting in an increase in the fit gap between the parts, and an increase in the offset during work, which will reduce the positioning and transmission accuracy and cause the entire mechanical device to work. The performance is degraded, and in severe cases, it will directly cause the mechanical device to fail to work normally

At present, the commonly used measurement method to evaluate the overall quality of the mechanical transmission system is to measure the end face and radial runout of the output shaft rotation center axis relative to the outer stop, that is, to fix the measurement meter frame on the output shaft, and put the pointer against the outer stop. Rotate the meter frame for a circle, and read the measured value through the dial. The measurement in this way reflects the measured value of the mechanical device under static conditions, and the measured value is affected by the shape and position tolerance of the outer stop itself, which cannot reflect the product. Real transmission accuracy, especially for products with wear and tear after work, the measurement results are quite different from the actual state of the product, and cannot reflect the actual state of the product

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