Magnetorheological polishing device and polishing method

By designing a magnetorheological polishing device including sleeves, magnetic parts and driving components, the complex structure of the existing device is solved, simplified structure and efficient polishing effect are achieved, and the finish and corrosion resistance of the workpiece are improved.

CN119703926AInactive Publication Date: 2025-03-28SHENZHEN UNIV
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Patent Information

Application Number
CN202510223541.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-03-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing magnetorheological polishing devices have complex structures and are inconvenient to use.

Method used

A magnetorheological polishing device is designed, including a sleeve made of a non-magnetic material, a magnetic part capable of generating a magnetic field, a first driving assembly for driving the workpiece to rotate, and a second driving assembly for driving the magnetic part to move back and forth along the length of the sleeve, and the polishing medium produces a magnetorheological effect by generating a gradient magnetic field.

Benefits of technology

The structure of the magnetorheological polishing device is simplified, the finish and hardness of the workpiece surface is improved, the corrosion resistance is increased, and the polishing accuracy can reach the nanoscale, and the surface damage is low.

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Abstract

The invention belongs to the technical field of magneto-rheological polishing, and particularly relates to a magneto-rheological polishing device and a polishing method. The magnetorheological polishing device comprises a sleeve made of a non-magnetic material and fixedly arranged, a magnetic piece capable of generating a magnetic field, a first driving assembly connected with a workpiece and used for driving the workpiece to rotate and a second driving assembly connected with the magnetic piece, and the sleeve is provided with a polishing hole used for containing the workpiece. A polishing medium is arranged between the outer surface of the workpiece and the inner wall of the polishing hole, and the second driving assembly is used for driving the magnetic part to reciprocate in the length direction of the sleeve so as to generate a gradient magnetic field on the polishing medium. The magneto-rheological polishing device can polish the roller mold, and meanwhile the structure of the magneto-rheological polishing device is simplified.
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