Adjusting method of built-in mechanical on-line dynamic balancing system of main shaft

Abstract

The invention, which belongs to the technical field of the high-speed main shaft on-line dynamic balancing, provides an adjusting method of a built-in mechanical on-line dynamic balancing system of a main shaft. The method comprises: step 1, installing an on-line dynamic balancing system; step 2, carrying out calibration of on-line dynamic balancing correction; to be specific, calibrating two adjustment balancing surface axial position parameters 1A and 1B; step 3, carrying out dynamic unbalance measurement and carrying out calculation to obtain a dynamic unbalance equivalent centrifugal force FD and location thereof 1D; step 4, carrying out dynamic unbalance correction of the main shaft; to be specific, carrying out calculation based on the obtained parameters to obtain an needed angle beta 1 or beta 2 for a mass block for adjustment, controlling the motor to make rotation, and adjusting the corresponding mass block; and step 5, displaying the dynamic unbalance data of the main shaft and adjustment data of the mass block on a display device of an industrial personal computer in real time to realize real-time monitoring of the whole process. According to the invention, the method is suitable for operation conditions of various main shafts to realize on-line correction of the dynamic unbalance states of the main shafts. The rotation precision of the main shaft is improved, thereby realizing processing of high-quality parts.

Description

technical field [0001] The invention belongs to the technical field of online dynamic balancing of high-speed spindles, and in particular relates to an adjustment method of a mechanical online dynamic balancing system built into a spindle. Background technique [0002] High-speed CNC machine tools are one of the technical foundations and development directions of the equipment manufacturing industry. The technical level of high-speed CNC machine tools is a sign to measure the level of a country's manufacturing industry. The main shaft is one of the most critical components in all rotating CNC machine tools, and its performance has a crucial impact on the machining accuracy and reliability of the entire machine tool. Rotational imbalance is one of the main factors affecting the rotation accuracy of the spindle. The realization of dynamic balance on the spindle has become an indispensable key technology. It is the ultimate goal of striving to improve the rotation accuracy, rel...

AI Technical Summary

Problems solved by technology

Furthermore, due to the narrow space of the technological hole of the general spindle and the complex structure of the mechanical dynamic balancing device, the uncertainty and instability of any parameter during the adjustment process of the dynamic balancing device will destroy the original characteristics of the spindle, and even the additional spindle will be replaced by a new dynamic balance device. Balance or affect the rotation accuracy of the spindle

Therefore, it is challenging to adopt a proper method to realize the proper operation of the mechanical online dynamic balance system built into the spindle

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