A boring machine machining error online compensation device and method

By installing a deformation amplification rod and an adjustable support ring on the boring machine and combining the lever principle, the deformation of the boring cutter can be detected and adjusted in real time, solving the problems of large machining errors and low measurement accuracy of the boring machine, and realizing high-precision, low-cost online compensation.

CN119794880BActive Publication Date: 2025-09-16GUANGDONG POLYTECHNIC NORMAL UNIV
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Patent Information

Application Number
CN202510020431.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-09-16
Estimated Expiration
2045-01-07

AI Technical Summary

Technical Problem

The deformation of the boring cutter during boring machine processing causes large errors. The existing measurement methods are low in accuracy and high in cost, and cannot achieve real-time online compensation.

Method used

A deformation amplifying rod is connected to the boring tool, and the deformation of the boring tool is detected in real time through a measuring device. The position of the boring bar is adjusted using an adjustable support ring to compensate for the deformation of the boring tool. The deformation is amplified by the lever principle for precise measurement and adjustment.

Benefits of technology

The real-time and accurate compensation of the boring cutter deformation is realized, which reduces the measurement error, improves the measurement accuracy and adjustment speed, and reduces the cost.

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Abstract

The present invention relates to an online compensation device and method for machining errors in a boring machine. The compensation device comprises a deformation amplification rod, an adjustable support ring, a measuring device, and a measurement control system. The deformation amplification rod is connected to a boring tool and is used to amplify the machining deformation of the boring tool and transmit it to the measuring device. The machining deformation of the boring tool is the difference between the tool's pre-machining height and its height during machining. The measuring device is used to detect the amplified machining deformation of the boring tool in real time and transmit it to the measurement control system. The measurement control system is used to control the operation of the adjustable support ring according to the amplified machining deformation of the boring tool. The adjustable support ring is fixed to the boring machine and drivingly connected to the boring bar. It is used to adjust the position of the boring bar to return the boring tool to its pre-machining height to compensate for the machining deformation of the boring tool. The present invention can achieve real-time and accurate compensation for the machining deformation of the boring tool, avoiding systematic errors and gross errors in the measurement process, and achieving high measurement accuracy.
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