NB/T 34370 comprises the following 6 parts, under the general title of Nondestructive Testing of Amusement Equipments:
- Part 1: General Provisions;
- Part 2: Visual Examination;
- Part 3: Magnetic Particle Examination;
- Part 4: Penetrant Examination;
- Part 5: Ultrasonic Examination;
- Part 6: Radiographic Examination.
This part is Part 2 of GB/T 34370.
1 Scope
This part of GB/T 34370 specifies the visual examination method for amusement equipments.
This part is applicable to the visual examination of production and in-service amusement equipments.
This part is not applicable to the visual examination activities in other non-destructive testing methods such as magnetic particle and penetrant.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 11533 Standard for Logarithmic Visual Acuity Charts
GB/T 20306 Amusement Equipments Terminology
GB/T 20737 Nondestructive Testing—Terms and Definitions
GB/T 20968 Nondestructive Testing—Visual Examination Aids—Selection of Low Magnification Magnifier
GB/T 34370.1 Nondestructive Testing of Amusement Equipment—Part 1: General Provisions
3 Terms and Definitions
For the purpose of this standard, the terms and definitions specified in GB/T 20306 and GB/T 20737 as well as the following ones apply.
3.1
visual examination
a nondestructive testing method for observing, analyzing and evaluating the condition of the tested piece, which refers to the examination of the tested piece performed with human eyes or visual aid only
3.2
direct visual examination
a visual examination technique that uses eyes to detect without visual aids (except for illumination sources and magnifiers)
GB/T 34370.2-2017 The following standards are cited：
GB/T 34370.2-2017 Cited by the following standards：
