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GB/T 12604.14-2024: Non-destructive testing - Terminology - Part 14: Visual testing
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Non-destructive testing - Terminology - Part 14: Visual testing
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GB/T 12604.14-2024
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Basic data | Standard ID | GB/T 12604.14-2024 (GB/T12604.14-2024) | | Description (Translated English) | Non-destructive testing - Terminology - Part 14: Visual testing | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J04 | | Classification of International Standard | 19.100 | | Word Count Estimation | 18,154 | | Date of Issue | 2024-11-28 | | Date of Implementation | 2024-11-28 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 12604.14-2024: Non-destructive testing - Terminology - Part 14: Visual testing---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 19.100
CCSJ04
National Standard of the People's Republic of China
Non-destructive testing terminology Part 14.Visual testing
Released on 2024-11-28
Implementation on 2024-11-28
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Visual Inspection General Terms 1
4 Terminology of visual inspection principles and methods 2
5 Visual Inspection Terms Related to "Light" 3
6 Terminology of visual inspection imaging equipment and devices 4
References 7
Index 8
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is part 14 of GB/T 12604 "Non-destructive testing terminology". GB/T 12604 has been published in the following parts.
---12604.1 Nondestructive testing terminology Ultrasonic testing;
---12604.2 Nondestructive testing terminology Radiographic testing;
---12604.3 Nondestructive testing terminology Penetrant testing;
---12604.4 Nondestructive testing terminology Acoustic emission testing;
---12604.5 Nondestructive testing terminology Magnetic particle testing;
---12604.6 Nondestructive testing terminology Eddy current testing;
---12604.7 Nondestructive testing terminology Leak detection;
---12604.8 Nondestructive testing terminology Neutron testing;
---12604.9 Nondestructive testing terminology infrared thermography;
--- 12604.10 Non-destructive testing terminology Part 10.Magnetic memory testing;
--- 12604.11 Nondestructive testing terminology X-ray digital imaging testing;
--- 12604.12 Non-destructive testing terminology Part 12.Industrial X-ray computed tomography testing;
--- 12604.13 Non-destructive testing terminology Part 13.Array ultrasonic testing;
--- 12604.14 Non-destructive testing terminology Part 14.Visual testing.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed and coordinated by the National Technical Committee for Standardization of Nondestructive Testing (SAC/TC56).
This document was drafted by. Aerospace Intelligent Manufacturing (Shanghai) Technology Co., Ltd., Shanghai Institute of Materials Co., Ltd., Shanghai Space Propulsion Research Institute
Institute, Shanghai Aerospace Equipment Manufacturing Co., Ltd., Hubei Sanjiang Aerospace Jiangbei Mechanical Engineering Co., Ltd., Nanjing Diwell High-end Manufacturing Co., Ltd.
Co., Ltd., CRRC Changchun Railway Vehicles Co., Ltd., Xuzhou Wilt Optoelectronics Technology Co., Ltd., Beijing Power Machinery Research Institute,
Shanghai Composite Materials Technology Co., Ltd., Shanghai Aerospace Precision Machinery Research Institute, Shanghai Satellite Equipment Research Institute, Shanghai Daming Technology Co., Ltd.,
Shanghai Institute of Aerospace Control Technology, Shenzhen Jietai Technology Co., Ltd.
The main drafters of this document are. Lv Yanda, Jiang Jiansheng, Xu Guozhen, Ding Jie, Chen Yiwei, Xu Wei, Wang Xiaoyong, Chen Changhua, Tian Meng, Yu Chunsheng,
Kangda, Shengtao, Weiquan, Zhou Jianping, Sun Jiangang, Wang Daolong, Yuan Zhizuo, Ma Jun, and Li Wenfu.
Introduction
Nondestructive testing technology is an indispensable tool for human industrialization and social development, and is an important tool for product quality control and ensuring the safety of equipment and facilities.
Nondestructive testing uses the heat, force, sound, light, electricity and magnetism of materials to
Detect, locate and measure defects or anomalies in materials and components in a way that does not impair the expected performance and reliability, and evaluate their performance
Energy, organization and integrity. The application of non-destructive testing covers mechanical manufacturing, chemical industry, medicine and medical treatment, energy, transportation, metallurgy, construction, water conservancy, ocean
Engineering, weapons, aviation, aerospace, nuclear industry, health and food, anti-smuggling, anti-terrorism and public security and other fields.
There are many methods and techniques for non-destructive testing, and they are widely used. The basic common terms for establishing the various methods and techniques for non-destructive testing are
The primary task of various non-destructive testing standardization organizations at home and abroad to carry out non-destructive testing standardization activities. GB/T 12604 Non-destructive Testing
GB/T 12604 is a basic and universal standard for guiding the standardization of non-destructive testing in my country.
The terminology of the test standardization document is planned to consist of fourteen parts.
---12604.1 Nondestructive testing terminology Ultrasonic testing. The purpose is to define the terminology of ultrasonic testing.
---12604.2 Nondestructive testing terminology Radiographic testing. The purpose is to define the terminology of radiographic testing.
---12604.3 Nondestructive testing terminology Penetrant testing. The purpose is to define the terminology of penetrant testing.
---12604.4 Nondestructive testing terminology Acoustic emission testing The purpose is to define the terminology of acoustic emission testing.
---12604.5 Nondestructive testing terminology Magnetic particle testing The purpose is to define the terminology of magnetic particle testing.
---12604.6 Nondestructive testing terminology Eddy current testing. The purpose is to define the terminology of eddy current testing.
---12604.7 Nondestructive testing terminology Leak detection The purpose is to define the terminology of leak detection.
---12604.8 Nondestructive testing terminology Neutron testing. The purpose is to define the terminology of neutron testing.
---12604.9 Nondestructive testing terminology infrared thermography. The purpose is to define the terminology of infrared thermography.
---12604.10 Nondestructive testing terminology Part 10.Magnetic memory testing. The purpose is to define the terminology of magnetic memory testing.
---12604.11 Nondestructive testing terminology X-ray digital imaging testing. The purpose is to define the
the term.
---12604.12 Nondestructive testing terminology Part 12.Industrial computed tomography testing. The purpose is to define industrial
A term for X-ray computed tomography testing.
---12604.13 Nondestructive testing terminology Part 13.Array ultrasonic testing. The purpose is to define the
the term.
---12604.14 Non-destructive testing terminology Part 14.Visual testing. The purpose is to define the terminology of visual testing.
This document is Part 14 of GB/T 12604, covering four aspects. general, principle and method, related to "light", and imaging equipment and apparatus.
The purpose of defining visual inspection terms is to unify the principles of writing and translating visual inspection technical documents and implementing visual inspection methods.
It helps to apply visual inspection technology more rationally, so that there is a basis for formulating visual inspection methods and product documents, thus giving full play to the terminology and
The basic and universal supporting functions of the components can better promote non-destructive testing trade, communication and technical cooperation.
Non-destructive testing terminology Part 14.Visual testing
1 Scope
This document defines the terms related to direct vision inspection and indirect vision inspection.
The terminology provided in this document applies to both direct visual inspection based on human observation and indirect visual inspection with the aid of instruments such as industrial sight glasses.
Detection.
2 Normative references
This document has no normative references.
3 General terms for visual inspection
3.1
visual
The sensory function of light acting on photosensitive tissue, enabling it to sense target information and then classify, identify, track and judge.
Note. Generally divided into artificial vision and computer vision.
3.2
Visual testing
A nondestructive testing method based on artificial vision or computer vision to observe, measure and judge the state of the workpiece surface.
3.3
Direct visual testingdirectvisual testing
There is a continuous and uninterrupted optical path from the inspector's eyes to the inspection area, without the aid of any tools or mirrors, lenses, etc.
Visual inspection (3.2).
[Source. GB/T 20967-2007, 3.1, modified]
3.4
remote visual testing
There is a discontinuous, intermittent optical path between the inspector's eyes and the inspection area, with the help of a camera system, a video system or a camera.
Visual inspection of equipment such as robots (3.2).
[Source. GB/T 20967-2007, 3.2, modified]
3.5
Speculum visual testing scopyvisual testing
Visual inspection (3.2) using a peephole inspection system to detect and evaluate optical images or photoelectric converted video images.
3.6
A measure of the variation in illumination (5.3) within the effective depth of field (4.8) of visual inspection (3.2).
Note. It can be expressed as the ratio of the minimum illuminance to the average illuminance of a given plane, or as the ratio of the minimum illuminance to the maximum illuminance.
3.7
Visual adjustmentvisualadjustment
Under appropriate observation conditions, the best observation state can be achieved by adjusting the spotlight or floodlight size of the vision (3.1).
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