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Device for manipulating a product and for processing radioscopy images of the product to obtain tomographic sections and uses

A technology of ray inspection and products, which is applied in the direction of measuring devices, material analysis using radiation, material analysis using wave/particle radiation, etc., can solve the problem that the ray inspection method cannot inspect the internal dimensions and geometric shapes of parts, and cannot inspect the firmness , no problems such as fault section inspection

Inactive Publication Date: 2004-11-17
PEZHO SITROEN AUTOMOBILS SA
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0020] This equipment has limited capabilities, in particular the inability to check the solidity of the material making up the part in a section through the part
[0021] Likewise, conventional radiographic inspection methods cannot perform dimensional and geometric inspections inside parts
[0022] More generally, on production lines for the production of industrial products such as parts or other products, there are usually no practical devices capable of performing cross-sectional examination of the products

Method used

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  • Device for manipulating a product and for processing radioscopy images of the product to obtain tomographic sections and uses
  • Device for manipulating a product and for processing radioscopy images of the product to obtain tomographic sections and uses
  • Device for manipulating a product and for processing radioscopy images of the product to obtain tomographic sections and uses

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Embodiment Construction

[0043] FIG. 1A shows a conventional type of apparatus for radiographic inspection of machine parts, which includes an X-ray source 1 , a manipulator device 2 , a fluorescent screen 3 and a camera 4 .

[0044] The machine part 5 is fixed on a manipulator enabling adjustment of the position of the part 5 and enabling rotation of the part 5 about an axis 5a.

[0045] The x-ray source 1 generates a beam of photons 1a which has such an orientation that it can pass through a machine part 5 which attenuates the radiation more or less according to the density of the area through which it passes.

[0046] After the radiation beam 1 a has passed through the component 5 , it forms a radiographic image on a fluorescent screen 3 , which is formed, for example, by an image intensifier, which image can be captured in whole or in part by a camera 4 .

[0047] The manipulator 2 has means for arranging to rotate the part continuously or in steps, which enables successive images of the part to b...

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Abstract

The invention concerns a device produced in the form of an assembly which can be integrated in any installation (13) for radioscopy of the product and comprising means for driving the product (5) in rotation about an axis (5a) perpendicular to the tomographic section plane to be obtained, a unit controlling (15, 16) the means (14) driving the product (5) in rotation, to drive the product (5) in rotation about the axis (5a) and an image acquisition and processing unit (16) including means for automatically acquiring and storing radioscopy images of the product (5) while the product (5) is rotating, in digital form, and calculating means for processing the digital images and constructing tomographic sections using a calculating algorithm. The device enables fault controls or geometrical and dimensional controls in mechanical parts for the automotive industry such as cylinder heads.

Description

technical field [0001] The invention relates to a device and a method for manipulating products, in particular machine parts, and for processing images of products obtained in radiographic inspection equipment in order to obtain radiographic tomographic images of the products. Background technique [0002] In some mechanical industries, especially in the automotive industry, new parts and new casting methods are constantly being developed, and it is necessary to provide non-destructive inspection devices in order to evaluate parts produced by new designs or produced by new methods. Components. Specifically, the material of the part needs to be checked qualitatively and quantitatively in order to determine whether it has any defects, and the size and geometry of the part need to be checked in areas of the part that cannot be accessed by conventional means, such as cavities or grooves inside the part. examine. [0003] Specifically, in the case of aluminum alloy castings or ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/04
CPCG01N23/046G01N2223/419
Inventor 弗朗西斯·J·M·罗伊奥利维尔·维格南
Owner PEZHO SITROEN AUTOMOBILS SA
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