GB/T 32774-2016 in English
VALIDX-ray inspection method for internal structure characteristics of wooden door
- Issued on:2016-06-14
- Implemented on:2017-01-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
《GB/T 32774-2016木质门内部结构特征X射线检测方法》由TC198（全国人造板标准化技术委员会）归口，主管部门为国家林业和草原局。
Introduction
1. Background of standard formulation and analysis of technological evolution
As an important component of architectural decoration, the quality of the internal structure of wooden doors is directly related to the service life and safety of the product. With the improvement of product quality requirements in the construction industry, non-destructive testing technology has gradually become a key means of evaluating the quality of wooden doors. X-ray testing method is widely used in the analysis of the internal structural characteristics of wooden doors due to its non-destructive and high-precision characteristics.
2. Comparison of standard frameworks
| Standard dimensions | X-ray inspection method for wooden doors | Traditional inspection method |
|---|---|---|
| Detection principle | X-ray penetration technology, based on material attenuation characteristics | Destructive inspection or visual inspections |
| Detection range | Internal materials and structural characteristics of door leaves and door frames | Surface defect inspection only |
| Accuracy requirements | Filling material type identification accuracy ±2%, splicing gap measurement accuracy 1mm | Cannot be quantified, relies on manual experience |
Note: The data in the table are based on standard clauses and actual test case analysis.
3. Implementation suggestions
3.1 Selection of test equipment
- It is recommended to use a high-frequency constant-current directional X-ray generator to ensure that the tube voltage and current meet the standard requirements (50kV~80kV, 2mA~5mA).
- Select a digital image processing unit with high grayscale (≥65536 levels) and spatial resolution (≥3.0LP/mm).
3.2 Training of test personnel
Perform qualification certification in accordance with GB/T9445 standard to ensure that the test personnel have the necessary professional knowledge and skills. It is recommended to conduct vision examination every year to ensure that the vision requirements specified in GB11533 are met.
3.3 Standard test block management
- Standard test blocks should be calibrated regularly to ensure that their structural characteristics are consistent with the common materials and structures of wooden doors.
- It is recommended to establish a standard test block management system, including storage, usage records and regular maintenance.
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