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Airbag-type grinding-polishing device based on control corrosion

A control device and airbag technology, applied in the direction of grinding automatic control devices, manufacturing tools, grinding machine parts, etc., can solve the problems of high cost and low processing efficiency, and achieve low cost, no astigmatism and With poor, fast polishing effect

Inactive Publication Date: 2012-11-21
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides an airbag type polishing device based on corrosion control, which mainly solves the problems of high processing cost and low processing efficiency of existing optical elements, especially aspheric optical elements

Method used

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  • Airbag-type grinding-polishing device based on control corrosion
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Embodiment Construction

[0019] The invention is based on the principle of chemical corrosion, through the application of the temperature field to achieve the increase of corrosion rate and the removal of materials in different rings; different from the sub-aperture principle commonly used in aspheric surface processing, this invention is a conformal polishing technology, so that the aspheric surface The difficulty of processing is reduced to the difficulty of spherical processing; chemical corrosion will cause the surface roughness of the workpiece to deteriorate, and the present invention adds an airbag-type mechanical polishing device to obtain a smooth surface.

[0020] The invention is suitable for rapid grinding and polishing of plane, spherical and aspheric optical elements.

[0021] The airbag polishing device based on corrosion control includes an airbag polishing head 1, a corrosion liquid tank 2 installed on a single-axis machine, a temperature-controlled single-chip microcomputer 3, a compu...

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Abstract

The invention provides an airbag-type grinding-polishing device based on control corrosion, which mainly solves the problems of the existing optical element and especially of the non-spherical optical element that machining cost is high and the machining efficiency is low. The airbag-type grinding-polishing device based on the corrosion control comprises an airbag-type polishing head which is connected with an air pump, the airbag-type polishing head comprises an airbag which is arranged on a polishing head main body, and the airbag-type polishing head also comprises a load bearing mechanism and a corrosive liquid storage groove, wherein one side of the load bearing mechanism is used for bearing a machined element. Due to the adoption of the airbag-type grinding-polishing device, the integral grinding and polishing rather than the ring-band trimming polishing of the non-spherical surface can be realized, and the machining difficulty of the non-spherical surface can be reduced to the machining level of a spherical surface; in addition, the chemical corrosion mechanism is introduced into the optical machining, and the acceleration of the corrosion speed is realized through the heating, so that the material removal level of the optical element can be remarkably improved, the milling grinding work of the large non-spherical degree can be completed, and the grinding and the polishing of the non-spherical surface can be realized on the same machine tool.

Description

technical field [0001] The invention relates to an optical element processing device, in particular to an airbag type polishing device based on corrosion control, which is suitable for rapid grinding and polishing of small-diameter and aspheric optical elements. Background technique [0002] Aspherical optical components have many advantages such as correcting various aberrations, improving imaging quality, simplifying optical systems and expanding the field of view, etc., and have been widely used in many optoelectronic products in military and civilian fields. However, the processing of aspheric surfaces still has the problems of expensive equipment, low precision, and low efficiency, which seriously restricts the development of related industries and scientific research projects. [0003] At present, for the optical processing of small-diameter aspheric surfaces, technologies such as single-point diamond turning, CNC milling and grinding, and CNC small grinding heads are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B13/01B24B41/04B24B51/00
Inventor 马臻许亮丁蛟腾陈钦芳
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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