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GB/T 25134-2010 English PDF

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GB/T 25134-2010: Optical measurement specification of 3D geometry for forgings/stampings and the dies
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GB/T 25134-2010English209 Add to Cart 3 days [Need to translate] Optical measurement specification of 3D geometry for forgings/stampings and the dies Valid GB/T 25134-2010

PDF similar to GB/T 25134-2010


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Basic data

Standard ID GB/T 25134-2010 (GB/T25134-2010)
Description (Translated English) Optical measurement specification of 3D geometry for forgings/stampings and the dies
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J32
Classification of International Standard 25.020
Word Count Estimation 9,952
Date of Issue 2010-09-26
Date of Implementation 2011-02-01
Quoted Standard GB/T 12979; VDI/VDE 2634-1; VDI/VDE 2634-2; VDI/VDE 2634-3
Regulation (derived from) National Standard Approval Announcement 2010 No.6 (Total No.161)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the range photogrammetry and three-dimensional optical surface scanning method-measuring the three-dimensional geometry of the die forging parts and the amount of optical inspection specifications. This standard applies to parts and die forging parts of the three-dimensional shape and size detection, and data preparation for forging parts and molds Reverse (reverse) design.

GB/T 25134-2010: Optical measurement specification of 3D geometry for forgings/stampings and the dies


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Optical measurement specification of 3D geometry for forgings/stampings and the dies ICS 25.020 J32 National Standards of People's Republic of China Forging parts and mold three-dimensional geometry Optical detection standardized Issued on. 2010-09-26 2011-02-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard by the National Standardization Technical Committee Forging (SAC/TC74) and focal points. This standard was drafted. Xi'an Jiaotong University. The main drafters of this standard. Liang Jin, Guo Cheng, Xiao Zhen in Tang Zhengzong, Shi Bao-Quan, Chen Jun, ZHANG De-hai, Liu Jianwei. Forging parts and mold three-dimensional geometry Optical detection standardized

1 Scope

This standard specifies the use of industrial close range photogrammetry and scanning method of measuring the three-dimensional mold forging parts and three-dimensional geometric optical surface of the optical Testing standards. This standard applies to parts and die forging parts three-dimensional shape and size detection, as well as the forging parts and die Reverse (reverse To) design for data preparation.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 12979 close range photogrammetry VDI/VDE2634 (all parts), three-dimensional optical measurement system

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 Industrial close range photogrammetry industrialcloserangephotogrammetry High-resolution digital camera around the object to be measured numerous photos and computer-aided measurement software solves for the measured object Measurement point mark three-dimensional coordinates of the center of paste. Industrial close-range photogrammetry system generally consisting of. camera, landmarks, rulers, adaptation , A computer-aided measurement software. 3.2 Three-dimensional optical scanning surface measuring optical3Dmeasuringsystembasedonareascanning The object to be measured by projecting white light or laser coding stripes, the image captured by the camera, and in accordance with the principle of optical triangulation method solves for the test Stereo vision measurement technology objects surface contour point cloud. 3.3 Landmark referencepoints Landmark into coding (as shown in Figure 1) and non-coding (Figure 2) in two landmark industrial close range photogrammetry method while making With coding and non-coding point two signs, three-dimensional optical scanning surface use only non-coding landmarks. Code points are generally placed at random, rather than coding standard Chi point is generally attached to the test position forging parts and molds. a) coded targets. Coded targets only in the middle of the industrial use of close-range photogrammetry calculation process, and three-dimensional geometry of the measured object No amount of correspondence. b) non-coding landmark. Usually black and white dot as its logo graphic has two purposes, one is through non-coding landmarks Three-dimensional coordinates of the center can convert the three-dimensional geometry of the measured object; second is to achieve a three-dimensional optical surface scanning multi-view fight Then, the accumulated error to eliminate stitching.

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