Method and special apparatus for three-D micro image forming of metal surface scatch

A three-dimensional imaging, metal surface technology, applied in the direction of testing material hardness, optical testing flaws/defects, etc., can solve the problems of inaccurate metal scratches, convenient detection and recording, etc., to achieve the effect of fast shooting and safe operation.

Inactive Publication Date: 2003-05-28
北京英福特科技有限公司
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  • Abstract
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Problems solved by technology

[0003] The purpose of the present invention is to solve the current technical problem that metal scratches cannot be detected and recorded accurately, conveniently and quickly, and to design a method that can conveniently, quickly and fully automatically and accurately record the depth changes of metal surface scratches

Method used

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  • Method and special apparatus for three-D micro image forming of metal surface scatch
  • Method and special apparatus for three-D micro image forming of metal surface scatch
  • Method and special apparatus for three-D micro image forming of metal surface scatch

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Embodiment Construction

[0028] figure 1 Among them, 1 is the light source projection system, 2 is the shooting system, 3 is the rotating platform, 4 is the metal object to be tested, 5 is the control computer, the light source projection system 1, the shooting system 2, the rotating platform 3 and the metal object 4 to be tested are all set On one bed, it is controlled and measured by a control computer. The method for microscopic three-dimensional imaging of metal surface scratches is characterized in that it comprises the following steps:

[0029] --Design the grating pattern used in this system according to the requirements, and print it into a color film;

[0030] --Fix the metal object to be microscopic three-dimensional imaging on the high-precision rotating platform, the high-precision rotating platform

[0031] And the camera with the microscope lens is connected with the computer control system, and the preset values ​​required for shooting the object are preset to the computer, including ...

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Abstract

A 3D microscopic imaging method for the scratch on metal surface includes designing needed raster pattern, printing on color film, fixing the metal object to be detected onto a high-precision rotary platform, arranging said color film to optical system and projection system of a parallelometer, projecting the coded raster onto said metal object, taking the information about the object, storing itin computer, decoding, and imaging. Its advantages are high speed, low cost and no destruction of metal object.

Description

Technical field: [0001] The invention belongs to the field of three-dimensional imaging of metal surface scratches, in particular to a method for three-dimensional microscopic imaging of metal surface scratches and special equipment thereof. Background technique: [0002] Accurate recording of metal scratches under microscopic conditions is a high-tech problem. Taking bullet management as an example, it is an important part of national security management and is directly related to the stability of the country and the safety of people's lives. When the bullet is excited by the gun, it leaves scratches on the shell case and bullet, which is an important clue to reflect the characteristics of various guns. Therefore, being able to record and compare the scratches on the surface of bullets fired by each gun is one of the keys to criminal investigation and solving cases. At home and abroad, for decades so far, the ingestion of bullet marks has been obtained through two-dimensio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/40G01N21/88
Inventor 史雷勇
Owner 北京英福特科技有限公司
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