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Device for polishing and fixing parts to mold for high-precision and low-deformation germanium window and method for fixing parts to mold

A low-distortion, high-precision technology, used in grinding/polishing equipment, surface-polished machine tools, grinding machine parts, etc. Uniform adhesive force, overcoming the effect of randomness

Pending Publication Date: 2020-06-23
YUNNAN KIRO CH PHOTONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In order to solve the technical problem in the prior art that the germanium window polishing and loading method cannot meet the processing needs of high-precision germanium windows, the technical solution of the present invention is as follows:

Method used

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  • Device for polishing and fixing parts to mold for high-precision and low-deformation germanium window and method for fixing parts to mold
  • Device for polishing and fixing parts to mold for high-precision and low-deformation germanium window and method for fixing parts to mold
  • Device for polishing and fixing parts to mold for high-precision and low-deformation germanium window and method for fixing parts to mold

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Embodiment Construction

[0034] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings 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.

[0035] Such as figure 1 As shown, the germanium window 5 is a circular optical element with a diameter D of Φ90mm, a thickness of 5mm, and a diameter-to-thickness ratio of 18:1. The surface shape requires an aperture of N:1, which is more than 4 times higher than that of the general germanium window 5 surface shape. For this reason, the surface shape of the germanium window 5 and its variation must be precisely controlled during the entire process of germanium window 5 processing. In particular, after the germanium window 5 is polished to the lower plate, the amount of surface shape change should be r...

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Abstract

The invention discloses a device for polishing and fixing parts to a mold for a high-precision and low-deformation germanium window and a method for fixing the parts to the mold, relates to the technical field of optical element processing, and solves the technical problem that the method for polishing and fixing the parts to the mold for the germanium window cannot meet the requirements for processing of the high-precision germanium window in the prior art. According to the technical scheme, the device comprises an adhesive mold, an adhesive, a positioning ring and a positioning seat, whereinthe adhesive is of a circular ring structure, and is bonded to an end face of the adhesive mold; a flanging is arranged at the periphery of the positioning ring, and a central hole corresponding to the shape of the adhesive mold is arranged in the middle of the positioning ring; a stop collar is arranged on the surface of the positioning seat, the shape of the stop collar is corresponding to theshape of the flanging of the positioning ring, and the stop collar is coaxial with the central hole; a to-be-polished germanium window is arranged in the stop collar, the positioning ring is buckled on the exterior of the stop collar, and one end, provided with the adhesive, of the adhesive mold passes through the central hole and the stop collar in sequence and is fixed to the germanium window through the adhesive.

Description

technical field [0001] The invention relates to the technical field of optical element processing, in particular to a high-precision and low-distortion germanium window polishing loading device and a loading method. Background technique [0002] As an important optical component widely used in aerospace, aviation, weapons and other fields of national defense and civil technology and industrial systems, germanium windows are located at the forefront of infrared optical systems and play a role in protecting infrared optical systems and thermal imaging cameras. In order to withstand the erosion and damage of various harsh natural environments, the outer surface of the germanium window must be coated with a layer of coating that not only transmits infrared radiation, but also has good chemical stability and can resist damage from heat and humidity, salt spray, rain and sand. Protective film, common such as DLC film (diamond-like carbon film). The germanium window is usually the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B29/02B24B41/00F16B11/00
CPCB24B29/02B24B41/00F16B11/006
Inventor 谢启明耿朝红尹国良张敬东赵逸群应常宇胡忠
Owner YUNNAN KIRO CH PHOTONICS
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