**Preparation Before Conducting a Tensile Test**
Before starting the tensile testing machine, proper preparation is essential to ensure accurate results and maintain the equipment's longevity. Based on years of experience, Shanghai Enterprise Testing Instrument Co., Ltd. has outlined key steps that should be followed carefully:
1. **Preheating the System**: It is crucial to allow the tensile testing machine to preheat for at least 20 minutes before use. This helps stabilize the internal components and reduces temperature-related measurement errors.
2. **Lubrication Check**: Before initiating the test, make sure all frictional parts are adequately lubricated. Proper lubrication ensures smooth operation and prevents unnecessary wear and tear.
3. **Brake Handle Safety**: Always secure the brake handle before placing the test specimen into the machine. After the specimen is properly positioned, release the brake handle to begin the test.
4. **Maintenance of Key Components**: The main bearing of the dynamometer must not be refueled. Additionally, the surface of the friction wheel in the gearbox should remain clean and free from oil. Avoid any violent impacts on the slanting block located on the swing arm to prevent damage.
5. **Post-Test Cleaning**: After completing the test, turn off the power supply and promptly clean the surface of the testing machine. This helps prevent rust and maintains the machine’s overall condition.
6. **Regular Maintenance**: It is recommended to perform maintenance on the tensile testing machine at least 2 to 3 times per month. Regular checks and servicing help ensure consistent performance and extend the lifespan of the equipment.
By following these guidelines, operators can significantly improve the accuracy of their tests and reduce the risk of mechanical failure. For more information or technical support, please visit [http://news.chinawj.com.cn](http://news.chinawj.com.cn).
Editor: Hardware Business Network Information Center
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