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Non-spherical optical component composite machining and testing machine tools

A technology for optical parts and composite processing, applied in optical components, optics, metal processing, etc., can solve the problems of high measurement accuracy and low measurement cost, and achieve the effect of improving processing accuracy, improving processing efficiency, and compensating errors.

Inactive Publication Date: 2004-04-21
NAT UNIV OF DEFENSE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Coordinate measurement can be used for the measurement of milling surfaces and optical surfaces, the measurement cost is low, and any surface shape can be easily measured, but the measurement accuracy is not as high as the interferometric measurement accuracy

Method used

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  • Non-spherical optical component composite machining and testing machine tools
  • Non-spherical optical component composite machining and testing machine tools
  • Non-spherical optical component composite machining and testing machine tools

Examples

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Embodiment Construction

[0019] At present, the CNC machining of aspheric optical parts is a very complicated process. There are several key issues in this process: one is the quality of milling and grinding, the other is the accuracy of measurement, and the third is the speed of error convergence. These several problems comprehensively affect the processing accuracy and processing efficiency. High processing efficiency and precision are the basic requirements for manufacturing equipment. There are two different processing stages in actual processing: milling and grinding process and grinding and polishing process. Usually, this kind of machine tool realizes the conversion of milling and grinding and polishing process by changing the processing position. The structure of the machine tool is complex and the cost is high. On the basis of summarizing the work of predecessors, the present invention improves the existing aspheric optical parts processing machine tool with the goal of improving the processi...

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Abstract

A machine tool for machining and testing the non-spherical optical part features that its main body has the symmetrical gantry frame structure with X, Y, Z and C axises designed modularly, the milling head or polishing mechanism is installed to the Z-axis bench, and the floating platform equipped with the in-line measuring and error-measuring unit for plane and parallel to Y axis is arranged on main body. Its advantage is high machining precision.

Description

Technical field: [0001] The invention relates to the processing technology of optical parts, in particular to a machine tool capable of milling, lapping and polishing composite processing and testing of aspheric optical parts. Background technique: [0002] Spherical optical elements are often used in traditional optical instruments. Due to the inevitable existence of aberrations and chromatic aberrations, the image quality is not high. In order to obtain a more perfect imaging quality, people compensate and reduce aberrations by adding various optical lenses and other components, resulting in the bulky and high cost of traditional high-quality optical instruments. If an aspheric optical component is used, the imaging quality can be improved directly by designing the surface parameters of the optical component. Therefore, the use of aspheric optical components can greatly reduce the size and weight of optical instruments, and can significantly improve the imaging quality an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P23/00B23Q15/20G02B3/02
Inventor 戴一帆李圣怡郑子文周旭升王贵林
Owner NAT UNIV OF DEFENSE TECH
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