XQ-8998C Bicycle Handlebar Tube Vibration Testing Machine 
1. Test standard for handlebar tube vibration testing machine： 
QB/T 1715-1993 Bicycle - Handlebars, JIS D 9412-1997 Bicycle - Handlebars. 
II. Operation Procedures for Handle Stiffener Vibration Testing Machine：
When simulating the human riding, the vibration condition of the handlebar is measured, and certain forces are applied to both ends of the handlebar. The handlebar vibrates at a fixed frequency for 20,000 times to observe whether any displacement or fracture occurs in each part. 
III. Main parameters of the handle standpipe vibration testing machine：
1. Vibration frequency in accordance with the standard 
2. Counting method: Digital display
3. Counter: Adjustable 
4. Frequency display: Digital display with adjustable settings 
5. Vibration frequency adjustment: Variable frequency display
6. Frequency measurement accuracy: ≤ 2% 
7. Vibration weight: According to the standard
8. Weights: Standard weights and accessories 
9. Fixed distance of weights: According to the standard
10. Fixing blocks of the fixture: One set 
11. Fixed angle: According to the standard 
12. Protection during shutdown, up to the next shutdown + product damage protection 
13. Power: 3KW 
14. Power supply voltage: 380V 50Hz 
15. Equipment weight: 580KG 
IV. Precautions for the Handle Support Tube Vibration Testing Machine： 
1.Before conducting the test, please make sure that the power supply is properly plugged in or connected. 
2. Before conducting the test, make sure that the product is properly installed and fixed. 
3. The mechanical transmission parts must be maintained regularly. 
4. After the test is completed, it is necessary to ensure that the power supply has been turned off. 
5. It is strictly prohibited to use auxiliary corrosive liquids to clean the machine. Instead, rust preventive oil must be used. 
6. This testing machine must be used exclusively by one person. During the testing process, it is strictly prohibited to strike the machine or have anyone stand near it. 
7. The machinery must be grounded.