GB/T 30197-2018 in English
VALIDTest method for work capacity of earth-mover tyres—Drum method
- Issued on:2018-12-28
- Implemented on:2019-11-01
- File Format:PDF
- Delivery:Within 1 day
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| Standard No: | GB/T 30197-2018 |
| Document status: | VALID |
| Title in English: | Test method for work capacity of earth-mover tyres—Drum method |
| Title in Chinese: | 工程机械轮胎作业能力测试方法 转鼓法 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Within 1 day |
| Issued on: | 2018-12-28 |
| Implemented on: | 2019-11-01 |
| Superseding: |
GB/T 30197-2013 Test method for work capacity of earth-mover tyres—Drum method
|
| ICS Classification: | 83.160.99-Other tyres |
| Chinese Classification: | G41-Tyre |
| Professional Classification: | GB-National Standard |
| Related Keywords: | test method
earth-mover tyres drum method introduction drum method test equipment requirements accuracy test equipment requirements |
| Related Topics: | Work Stress Test Method
Work Stress Test Method Engineering methods to help medicine force test method working method High Quality Drum Analysis Method GBT30197 GB/T 30197-2013 GB/T 30197-2018 Common testing methods for mechanical stress How to cheat on vision test Odor traceability working methods and workflow |
《GB/T 30197-2018工程机械轮胎作业能力测试方法 转鼓法》由TC19（全国轮胎轮辋标准化技术委员会）归口，TC19SC1（全国轮胎轮辋标准化技术委员会汽车工农业机械轮胎轮辋分会）执行，主管部门为中国石油和化学工业联合会。
Introduction
1. Background of standard formulation and technological evolution
GB/T 30197-2018 "Test method for operating ability of engineering machinery tires - Drum method" replaces the old version GB/T 30197-2013, mainly adding term definitions and modifying test equipment requirements. The new standard introduces key concepts such as "rated value", "equilibrium temperature" and "critical temperature", and refines the recording specifications for drilling position and ambient temperature.
2. Comparison of standard frameworks
| Standard dimensions | GB/T 30197-2013 | GB/T 30197-2018 |
|---|---|---|
| Definition of terms | No clear definition | Added 'Rated value', 'equilibrium temperature' and 'critical temperature' |
| Test equipment requirements | Accuracy is ±2% of full scale | Accuracy is increased to ±1.5% of full scale |
| Environmental temperature control | No specific requirements | The ambient temperature during the test should be 38°C ±3°C |
3. Practical Application and Case Study
Drilling Position Specifications: Position the drill holes in increments of up to 50mm from the tire centerline to the shoulders on both sides. Each test hole is 5mm ±0.5mm in diameter and is located on the tread block to ensure that the depth does not exceed 5mm from the top ply.
Temperature Measurement Procedure: After numbering the temperature measurement holes, each test is performed in the same order. When the temperature is stable (the highest difference in three consecutive measurements is less than 3°C), record the equilibrium temperature and critical temperature values.
4. Numerical calculation and processing
TKPH rating calculation: When the ambient temperature is 38°C, draw a curve with the product of test load and speed as the horizontal axis and the equilibrium temperature as the vertical axis. The TKPH value corresponding to the critical temperature is the rated operating capacity of the tire.
5. Implementation suggestions
- Ensure that the test equipment meets the requirements of the new standard, especially the radial runout accuracy of the drum and the accuracy of the thermocouple.
- Strengthen personnel training and master the accurate methods of drilling positioning and temperature measurement.
- It is recommended to calibrate the equipment regularly to ensure the accuracy of the test data.
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