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Processing method of L-shaped ZnSe (zinc selenide) turning prism

A processing method and prism technology, applied in prisms, metal processing equipment, manufacturing tools, etc., can solve the problems of low efficiency, high labor intensity and long processing cycle.

Inactive Publication Date: 2015-04-29
THE 3RD ACAD 8358TH RES INST OF CASC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the process of processing, there are great uncertainties in various process parameters, resulting in long processing cycle, low efficiency and high labor intensity.

Method used

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  • Processing method of L-shaped ZnSe (zinc selenide) turning prism
  • Processing method of L-shaped ZnSe (zinc selenide) turning prism
  • Processing method of L-shaped ZnSe (zinc selenide) turning prism

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Embodiment Construction

[0027] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0028] In the description of the present invention, it should be noted that the orientation or position indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer" etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

[0029] In the description of the present i...

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Abstract

The invention belongs to the field of precision processing and manufacturing of optical elements, and relates to a processing method of an L-shaped ZnSe (zinc selenide) turning prism, which solves the problem of the classical optical processing method that the polyhedron prism with complicated structure is difficultly processed. The processing method mainly comprises the following steps of according to the completing size of the prism, calculating the initial structure of a blank, and using an abrasive wire sawing machine to cut the initial structure; grinding the upper end surface and the lower end surface of the blank, and reducing the thickness; manufacturing a fixture and a flying cutter disc, wherein the fixture is used for fixing the prism, and the flying cutter disc is used for clamping a diamond cutter; positioning and fixing the blank and the fixture of the turning prism on a precision turntable of a lathe, and forming a diamond flying cutter turning type turning prism processing system; designing and implementing a turning processing path, and adopting a rough turning and precision turning two-step processing method to form. The processing method has the advantage that under the condition of guaranteeing of the part accuracy, the production efficiency is improved, and the labor intensity is decreased.

Description

technical field [0001] The invention relates to the field of precision machining and manufacturing of optical elements, in particular to a processing method of an L-type ZnSe turning prism. Background technique [0002] As we all know, unlike other rotary optical parts, a prism is composed of more than two optical planes, and each plane has a certain angle requirement, which makes it more difficult to process. At present, high-precision optical polyhedron parts are processed by experienced technicians using special fixtures and blocks through grinding and polishing equipment supplemented by manual repairing methods from molding to polishing. In the process of processing, there are great uncertainties in various process parameters, resulting in long processing cycle, low efficiency and high labor intensity. [0003] Diamond flying tool turning is an efficient ultra-precision optical processing technology. The diamond tool rotates with the spindle at high speed and feeds in t...

Claims

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Application Information

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IPC IPC(8): B24B7/16B24B27/06B23B1/00G02B5/04
CPCB24B9/14B23B1/00B24B9/146G02B5/04
Inventor 回长顺卢永斌叶斯哲白庆光郭跃武
Owner THE 3RD ACAD 8358TH RES INST OF CASC
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