The Structure and function of the Vibration Test System
A vibration test system is a specialized piece of equipment used to evaluate the durability and performance of products or structures by subjecting them to controlled vibrations. These systems simulate real-world vibration conditions, helping engineers identify potential weaknesses and ensure product reliability. Here's a breakdown of key aspects of vibration test systems:
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Product Durability Assessment:
Vibration testing helps engineers understand how a product will behave under various vibration levels, identifying potential failure points and areas needing improvement.
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Performance Evaluation:
It assesses the functionality and performance of products in vibrating environments, ensuring they can withstand the expected conditions.
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Transportation Simulation:
Vibration tests can replicate the vibrations experienced during shipping and handling, helping optimize packaging and prevent damage.
- Vibration Exciter/Shaker: The core component that generates the controlled vibrations. Electrodynamic shakers are common, using electromagnetic principles to produce oscillatory motion.
- Amplifier: Provides the necessary power to drive the shaker.
- Controller: Manages the vibration test, allowing users to define parameters like frequency, amplitude, and duration.
- Software: Provides tools for test setup, data acquisition, and analysis.
3. Types of Vibration Testing:
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Sinusoidal Testing:
Applying vibrations at specific, single frequencies or sweeping across a range of frequencies to identify resonances. -
Random Vibration Testing:
Simulating real-world vibrations with a random distribution of frequencies and amplitudes. -
Shock Testing:
Subjecting the test object to sudden impacts or shocks to assess its response to transient vibrations. -
Mixed-Mode Testing:
Combining different vibration testing techniques for a comprehensive assessment.
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Automotive:
Testing vehicle components, like engines, chassis, and electronics, for durability and performance. -
Aerospace:
Ensuring the reliability of aircraft parts and systems under extreme vibration conditions. -
Electronics:
Evaluating the robustness of electronic devices and components in various applications. -
Consumer Goods:
Assessing the durability of products like appliances, smartphones, and other electronics. -
Military and Defense:
Testing equipment and systems for reliability in harsh environments. -
Transportation Simulation:
Simulating transportation vibrations to optimize packaging and prevent damage during shipping.
- Payload Capacity: The shaker's ability to handle the weight and size of the test object.
- Frequency Range: The range of vibration frequencies the system can generate.
- Force Output: The maximum force the shaker can produce to simulate vibrations.
- Control System: The sophistication and flexibility of the control software.
- Safety Features: Proper safety measures are crucial to protect the equipment and personnel.
Shaker Model | JQA-202-335 JQA-203-335 |
Frequency Range (Hz) | 5~3000 |
Rated sinusoidal force (KN) | 20 |
Shock force (KN) | 40/60✱ |
Max. acceleration (m/s²) | 980 |
Max. speed (m/s) | 2 |
Max. displacement (mmp-p) | 51/76 |
Max. load (kg) | 300 |
Vibration isolation frequency(Hz) | 2.5 |
Shaking table type | JQ-20 |
Moving parts weight (kg) | 23 |
Armature diameter (φmm) | 335 |
Allowable eccentric moment (N x m) | 490 |
Outer dimension (W·H·D) (mm) | 1080*990*860 |
Shaker weight (kg) | 1600 |
Power amplifier model | PA-20 |
Max. output power (KVA) | 20 |
Amplifier Size (W·H·D) | 550*1750*850 |
Power amplifier Weight (kg) | 410 |
Power Amplifier working model | Switch |
System power consumption (KVA) | 40 |
Cooling method | Forced air cooling |
Fan model | FJ-3000 |
Rated flow (m³/min) | 40 |
Rated wind pressure (kPa) | 3.5/8.8 |
Fan power (KW) | 7.5 |

Guangdong Jianqiao Testing Equipment Co.,Ltd is a large scale professional manufacturer specializing in R&D ,production and sales of vibration test system,environmental test chamber and battery testing equipment.With the advantage in Technicians in R&D department,professional production and sales teamand perfect after-service department.and several ,senior R&D Engineer haired across the country .Our marketing network covers major large and medium-sized cities among the country. In the past 20 years, Jianqiao provide high quality products and one -stop solutions for dozens of top 100 enterprises and 11289 end users.
The company manufactures all kinds of vibration and environmental testing equipment in strict accordingwith ISO9001 and products meet the standard of ISO, ASTM , DIN ,EN , BS , UL , JIS , GB/T , GJB,JIS,ANIS,UL,IEC etc. and other domestic and international standards .Our products are widely used in New energy vehicles, aerospace, - shipping, electronics industry and other industries, and are applicable to all scientific research units, quality inspection institutions and academic fields.


