A wheel-type electrorheological polishing device with adjustable plate spacing
A technology of polishing device and electrode plate spacing, which is applied in the field of ultra-precision optical surface processing, and can solve the problems of unadjustable tool head parameters, low polishing efficiency, and difficult tool head replacement.
Inactive Publication Date: 2016-02-10
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
[0006] In order to solve the problems of the existing electrorheological polishing device, such as low polishing efficiency, complex structure, unadjustable tool head parameters, and difficulty in tool head replacement, the present invention designs a wheel-type electrorheological polishing device with adjustable pole plate spacing
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[0030] The specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0031] A wheel-type electrorheological polishing device with adjustable plate spacing, such as figure 1 As shown, the stepping motor 19 is installed above the motor base, and the schematic diagram of the motor base is as figure 2 As shown; driving gear 15 is fixed on the rotor end of stepper motor 19 by flat key connection; the upper end of main shaft 10 is fixed on motor seat 17 through third bearing 18; driven gear 16 is fixed on the lower side of main shaft 10 collar, and The driving gear 15 meshes; the sleeve 14, the second bearing 12, and the adapter frame 13 are penetrated by the lower end of the main shaft 10 in turn; the adapter frame 13 is fixed on the motor base 17; the bearing end cover 6, the first bearing 8, and the anode bracket 9 are sequentially inserted Penetrating from the lower end of the main shaft 10, the bearing end ...
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A pole plate space adjustable wheeled electrorheological polishing device belongs to the field of ultra-precision optical surface working and solves the problems that a current electrorheological polishing device is low in removal efficiency, complex in structure and is unadjustable in parameters. The technical scheme adopted is that two parallel wheeled pole plates similar in shape and same in radius are adopted as polishing wheels; the pole plate space can be adjusted through sliding the positive pole polishing wheel along a main shaft; and during working, the positive pole polishing wheel is fixed, a stepping motor drives the negative pole polishing wheel to rotate relative to the positive pole polishing wheel through a transmission gear and the main shaft, so as to drive a flexible polishing die to move relative to the surface of a workpiece, thereby realizing polishing of materials on cutting workpiece surface. The device provided by the invention has the advantages of simple and ingenious structure, flexible adjustable space between the positive pole polishing wheel and the negative pole polishing wheel, easiness in polishing wheel replacement, wide polishing range, and high polishing efficiency, and therefore, is suitable for ultra-smoothness processing of mini-type free surface optical elements.
Description
technical field [0001] The invention relates to an electro-rheological polishing tool, in particular to a wheel-type electro-rheological polishing device with adjustable pole plate spacing, which belongs to the field of ultra-precision optical surface processing. Background technique [0002] Electrorheological polishing technology is a new optical surface processing technology. This technology uses the property that the viscosity of electrorheological fluid changes with the change of electric field strength, mixes fine abrasives into electrorheological fluid and forms a flexible polishing mold under the action of electric field, and polishes the surface of optical elements based on the Princeton equation. This technology is a new type of optical surface processing technology that combines electrodynamics, fluid mechanics and solid state physics. [0003] Electrorheological fluid consists of electrorheological particles with high dielectric constant and base fluid with low ...
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IPC IPC(8): B24B1/00
Inventor 程灏波苏景诗
Owner BEIJING INSTITUTE OF TECHNOLOGYGY