Novel float polishing equipment and polishing method

A new type of float polishing technology, used in grinding/polishing equipment, metal processing equipment, optical surface grinders, etc., can solve problems such as low efficiency and poor quality, and achieve the effect of reducing tangential force and improving the pass rate

Inactive Publication Date: 2014-04-23
王成
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes a novel float polishing method, which solves the problems of poor quality and low efficiency of common polishing methods in the prior art

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  • Novel float polishing equipment and polishing method
  • Novel float polishing equipment and polishing method

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Embodiment Construction

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] Such as figure 1 As shown, before performing float polishing on workpiece 5 such as an optical element, the optical element to be processed must first be pre-polished, dried, and then float polished.

[0026] Float polishing machine, including the frame, the frame can be made of high-quality cast iron material and completed by precision casting, and adopts a box-type structure, which can effectively control the thermal deformation of the frame during the for...

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Abstract

The invention provides novel float polishing equipment and a polishing method. The problem that the surface roughness and the precision of optical elements are low after the optical elements are polished by a common method in the prior art is solved. The polishing method comprises the following steps of adding water in polishing powder to obtain polishing liquid; keeping PH (power of hydrogen) of the polishing liquid in a range of 5.5-7; gently placing a workpiece to be polished on an abrasive disk and guaranteeing that the workpiece to be polished is matched with the surface of the abrasive disk; pouring the polishing liquid in a polishing plate; immersing the workpiece to be polished and the lower surface of the abrasive disk by using the polishing liquid; keeping the pressure of the polishing plate in a range of 0.07-0.12Mpa and keeping the rotating speed of the abrasive disk in a range of 10-30rpm; automatically and circularly feeding the polishing liquid to polish the workpiece to be polished; taking out the workpiece after the workpiece is polished; and cleaning and packaging the workpiece. By using the novel float polishing equipment and the polishing method, the surface roughness of optical elements can be improved to 1 nanometer Rz-0.5 nanometer Rz, the cost is reduced, and the efficiency is improved.

Description

technical field [0001] The invention relates to the field of grinding and polishing of optical parts, in particular to a novel float polishing method. Background technique [0002] The processing of optical parts basically includes three processes: cutting, grinding, and polishing; the final optical surface quality is determined by polishing, so polishing is the most important process. Usually, the polishing of high-quality smooth surface is made of fibrous materials such as asphalt or felt wool as a polishing disc, and is equipped with polishing liquid or abrasive paste to meet the technical requirements. [0003] Optical thin film technology is an important part of the optical field, covering computer, vacuum technology, optoelectronic technology, material science and other fields, and the roughness of the optical substrate will directly affect the film layer in the next step. Plating work. Optical films are divided into single layer, double layer, multilayer and so on. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B13/00B24B1/00
CPCB24B13/00
Inventor 王成
Owner 王成
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