Unbalance magnitude online monitoring and de-weighting method in disc type workpiece processing

A technology of balancing quantity and workpiece, applied in the testing of metal processing equipment, metal processing mechanical parts, machine/structural components, etc., can solve the problem of low balancing accuracy, reduce dynamic balancing costs, reduce assembly errors, and improve economic benefits Effect
CN105222959AActive Publication Date: 2016-01-06TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
Publication Date
2016-01-06

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Abstract

The invention relates to an unbalance magnitude online monitoring and de-weighting method in disc type workpiece processing, and brings forward a method for indirectly measuring unbalance magnitude of a disc type workpiece in processing through monitoring change of unbalance vibration signals of a main shaft, for overcoming the disadvantages in the prior art that dynamic balancing of a conventional disc type workpiece requires a special-purpose dynamic balancing machine, the balancing efficiency and the precision are low and the like. Based on the method brought forward by the invention, through monitoring of the unbalance state of the disc type workpiece in a processing process, formation and deterioration of too large unbalance magnitude of the disc type workpiece are prevented; and after the disc type workpice is processed, the clamping position of the disc type workpiece on a main shaft of a machine tool maintains unchanged, the unbalance magnitude of the disc type workpiece is measured in an online mode during rotation of the main shaft, and the unbalance magnitude of the disc type workpiece is reduced or eliminated through a method of controlling de-weighing of the machine tool. The method provided by the invention has great significance in improving the balance efficiency and precision of the disc type workpiece and reducing the balance cost.
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Description

technical field

[0001] The invention relates to an on-line monitoring and de-weighting method for unbalance in the processing of disk workpieces, belonging to the field of precision ultra-precision processing and automation. Background technique

[0002] The balance performance of rotating machinery mainly depends on its slewing mechanism, and disc parts are an important form of slewing mechanism, such as flywheels, brake discs, vehicle hubs, grinding wheels, gears, pulleys, etc. Usually, such parts have a large radius of gyration, and even a small unbalanced mass may form a large unbalanced amount, which in turn arouses large unbalanced vibrations during the mechanism's rotation, affecting the performance and life of the mechanism. For example, the flywheel is a commonly used angular momentum exchange device for satellites, and its dynamic balance directly affects the stability of the platform; the unbalance of the engine flywheel will cause the vibration of the engine, and...

Claims

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