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Efficient projection enlarged image detection method

A detection method and a technique for enlarging images, which are applied in the detection field, can solve problems such as difficult processing by departments using measurement data, prone to error calculations, and cumbersome calculation processes, so as to realize automatic measurement, reduce tediousness and errors, and improve detection efficiency.

Active Publication Date: 2014-07-30
AECC AVIATION POWER CO LTD
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Detection of an enlarged image requires the collection and calculation of hundreds of geometric quantities. The calculation process is cumbersome and the workload is heavy. The obtained measurement data is difficult to process by the user department, and it is prone to hidden dangers such as omissions and calculation errors.

Method used

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Embodiment Construction

[0013] The present invention is further described by taking the mortise and tooth pattern of the engine blade as an example below:

[0014] Step 1. According to the theoretical data model of the design diagram of the magnified diagram for tenon-tooth projection, the drawing equipment generates the cartographic data model in the way of 0.05mm equidistant points, and draws the enlarged diagram for projection;

[0015] Step 2. According to the theoretical data model of the design drawing of the enlarged image for projection, use CAD drawing software to draw the detection data model, and convert the coordinate system of the detection data model so that the coordinate system of the detection data model is consistent with the image detection equipment. The coordinate system is consistent; when the coordinate system is converted, it should be ensured that the coordinate origin and coordinate direction of the detection data model are consistent with the coordinate origin and coordinate...

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Abstract

The invention belongs to the field of detection, and relates to improvement of a projection enlarged image detection method. An efficient projection enlarged image detection method can be used for detecting a projection enlarged image, quick measuring of the projection enlarged image is achieved, a visualization detection data processing mode is formed, efficiency, the automation degree and the intelligence degree of a detection device are improved, complexity and mistakes during measuring and calculation processes in the prior art are reduced, data accuracy is improved, detection efficiency and detection accuracy are improved, and the first-class level of the industry is reached.

Description

technical field [0001] The invention belongs to the field of detection and relates to the improvement of a detection method for enlarged images for projection. Background technique [0002] The magnified image for projection is used by the production unit, drawn on the nylon film and magnified by a certain number of detection standards. During the drawing process of the magnified image for projection, due to factors such as the accuracy of the plotter, the ambient temperature, and the material used for the magnified image for projection, the drawn magnified image for projection deviates from the theoretical data model, and the enlarged image for projection needs to be checked. detection. [0003] In the traditional detection of the enlarged image for projection, the feature points of each geometric element constituting the outline degree of the part in the theoretical data model of the design drawing are calculated through the basic geometric relationship, and the position ...

Claims

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Application Information

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IPC IPC(8): G01B11/00
Inventor 崔颖马顺利张顺利赵路路吴宇威韩丹金静李风雷
Owner AECC AVIATION POWER CO LTD
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