Circulating device for revolution and rotation magnetorheological finishing
A magnetorheological polishing and circulation device technology, applied in the field of optical curved surface precision machining, can solve the problems such as the inability to realize that the liquid injection nozzle is always aligned with the polishing wheel, uncertainty, and the inability to achieve deterministic magnetorheological polishing.
Inactive Publication Date: 2013-04-17
TSINGHUA UNIV
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Problems solved by technology
Moreover, in order to maintain the stability of the polishing removal function, the circulation of the magnetorheological polishing fluid must be realized to ensure the continuous renewal of the magnetorheological polishing fluid in the polishing area. system, such as figure 1 As shown, it will be impossible to realize that the liquid injection nozzle is always aligned with the polishing wheel, and the collector cannot always be attached to the polishing wheel to realize the collection of magnetorheological polishing fluid, so that it is impossible to realize the circulation and renewal of magnetorheological polishing fluid
If the magnetorheological polishing fluid circulation system is not used, the magnetorheological polishing fluid in the processing area will not be continuously updated, which will lead to unstable and uncertain polishing removal functions, and will not be able to achieve deterministic magnetorheological polishing. Ultimately, it will be difficult to achieve Nanoscale surface roughness and surface shape accuracy
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[0019] The principle, structure and working process of the present invention will be further described below in conjunction with the accompanying drawings.
[0020] image 3 A schematic diagram of the principle structure of a circulation device used in the magnetic rheological polishing of the public rotation provided by the present invention, the device includes a mounting base 15, a bearing seat 16 fixed on the mounting base 15, a polishing wheel 1 and a circulation system; The above-mentioned installation base 15 performs revolving motion; the described polishing wheel 1 is installed on the bearing seat 16, performs autorotation and simultaneously performs revolving motion along with the installation base 15; The agitator 11, the liquid suction pipe 13, the liquid injection pipe 8, the liquid injection nozzle 6, the liquid injection tank 17, the support 21 and the scraper 20 in the tank 10 are provided with a suction pump 12 on the liquid suction pipe 13 , the delivery pum...
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The invention relates to a circulating device for revolution and rotation magnetic current variable polishing. The device comprises a liquid injecting groove, a recovery groove, a liquid injecting nozzle, a scraper and other necessary auxiliary assemblies, wherein a liquid injecting tube injects a magnetic current variable polishing liquid into the liquid injecting groove, and the liquid injecting groove is communicated with the liquid injecting nozzle; the liquid injecting nozzle injects the magnetic current variable polishing liquid into a polishing wheel; the scraper separates the magneticcurrent variable polishing liquid from the polishing wheel and guides the magnetic current variable polishing liquid to the recovery groove; a liquid extraction tube extracts the magnetic current variable polishing liquid in the recovery groove. The circulating device for revolution and rotation magnetic current variable polishing related in the invention has the advantages that the cycling of the magnetic current variable polishing liquid is realized on the premise of being coordinated with the revolution and rotation magnetic current variable polishing method, the stability of a polish removing function is ensured and the advantages of revolution and rotation polishing are fully exerted.
Description
technical field [0001] The patent belongs to the technical field of precision machining of optical curved surfaces, and in particular relates to a magnetorheological polishing liquid circulation device. Background technique [0002] Magnetorheological polishing of optical parts is an emerging deterministic polishing technology. Magnetorheological fluid is a smart material composed of magnetic particles, carrier fluid and other added components. Since the magnetic materials in it will be rearranged in the magnetic field, the magnetorheological fluid will undergo rheology within milliseconds under the action of the magnetic field, changing from a liquid state to a solid state. The rheological magnetorheological fluid has a higher shear yield strength. Adding polishing abrasives to the magnetorheological fluid can form a magnetorheological polishing fluid. Under the action of a magnetic field, the magnetorheological polishing fluid undergoes rheology to form a polishing mold,...
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IPC IPC(8): B24B1/00
Inventor 张云王于岳祝徐兴冯之敬左巍赵广木
Owner TSINGHUA UNIV