Small-caliber aspherical composite precise processing machine tool

A precision machining and aspheric technology, applied in the field of small-caliber aspheric compound precision machining machine tools, can solve the problems of reducing machining efficiency, installation error, tool setting error, etc., to improve machining accuracy and efficiency, reduce installation errors, and prevent interference. effect of the phenomenon

Inactive Publication Date: 2011-08-24
HUNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of using the above two processes is that the workpiece needs to be clamped multiple times on two different machine tools, which will cause installation errors, tool setting errors and other consequences that affect the machining accuracy; at the same time, multiple clamping consumes more Many auxiliary man-hours reduce the processing efficiency

Method used

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  • Small-caliber aspherical composite precise processing machine tool
  • Small-caliber aspherical composite precise processing machine tool

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Experimental program
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Embodiment Construction

[0024] See attached figure 1 , this embodiment of the small-caliber aspheric compound precision machining machine tool of the present invention adopts the ULPG type ultra-precision machine tool with a shock absorber manufactured by the Micro-Nano Manufacturing Institute of the National High-efficiency Grinding Engineering Technology Research Center of Hunan University in China, and utilizes the four corners of the distribution The shock absorber 16 creates a smooth processing environment for the natural marble bed body 22 .

[0025] The first static pressure guide rail 21 adopts gas static pressure granite guide rails, two of which are laid and installed on the left side of the upper surface of the bed body 22, and the first linear motor 19 carried by it adopts the Aerotech ABL1500 linear motor produced by Beijing Amate Technology Co., Ltd. . The first slide table 20 is formed by casting aluminum alloy, and is installed between the above two first static pressure guide rails ...

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Abstract

The invention relates to a small-caliber aspherical composite precise processing machine tool, comprising a tool body (22) with a shock absorber (16), wherein the tool body (22) is provided with a first sliding table (20) which is provided with a spindle bracket (1); a second sliding table (13) is arranged correspondingly to the first sliding table (20) and is provided with a rotating bracket (17) and a supporting plate (9); the rotating bracket (17) is provided with a detecting device (18); and an inclined axis mirror grinding device (10) with a triaxial fine-tuning frame and an inclined axis magnetorheological grinding and polishing device (14) are arranged in parallel on the supporting plate (9). In the small-caliber aspherical composite precise processing machine tool, the precise inclined axis mirror grinding device and the inclined axis magnetorheological grinding and polishing device are integrated on a single tool body; through the combination of the two techniques of the precise inclined axis mirror grinding and the inclined axis magnetorheological grinding and polishing, the good controllability of the processing path is achieved, and the phenomenon of the interference is effectively prevented; and by in-place measurement of the shape of a workpiece, the error compensation processing of the workpiece is realized, and the accuracy of the shape of the workpiece is improved.

Description

technical field [0001] The invention belongs to the technical field of optical precision machining, and in particular relates to a small-caliber aspheric composite precision machining machine tool. Background technique [0002] With the rapid development of optoelectronic communication, optics, automobile, bioengineering and aerospace industries, the demand for ultra-precision small-aperture aspheric optical components has increased dramatically. The manufacture of such small-diameter aspheric optical elements is currently mainly made through glass thermocompression molding and optical plastic injection molding with high-precision molds. This kind of mold is usually made of superhard alloy, and the aspheric surface of the mold core requires submicron-level shape accuracy, nanometer-level surface roughness and minimal subsurface damage. [0003] The processing of the above-mentioned small-diameter aspheric surface generally adopts two processes of grinding and polishing, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B1/04
Inventor 尹韶辉胡天刘林枝唐昆陈逢军余剑武贺剑波范玉峰
Owner HUNAN UNIV
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