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Laboratory Accurate Electrodynamic Vibration Shaker System Lab Vibration Table

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Laboratory Accurate Electrodynamic Vibration Shaker System Lab Vibration Table

Brand Name : Jianqiao

Model Number : JQA-202-335

Certification : CE

Place of Origin : China

MOQ : 1

Supply Ability : 300 sets

Packaging Details : Wooden case

Frequency : 2000Hz

Sine force : 20kN /2000kg/4409lbf

Random force : 20kN /2000kg/4409lbf

Shock force : 98kN /9800kg/9918lbf

Channel : 2/4/8/16

Maximum acceleration : 100g

Maximum displacement : 100mm (4"）/76mm (3")/51mm (2")

Maximum load : 300KG

moving parts mass : 20KG

Armature diameter : 335mm

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Vibration Isolation Selution For The Vibration Test System For The Laboratory


Vibration isolation in a vibration test system is crucial for accurate testing results by minimizing external vibrations from interfering with the test object. It involves using isolators to reduce the transmission of vibration energy from the test system's environment to the test object, or vice versa. This prevents unwanted vibrations from affecting the test results and ensures the test object is subjected only to the intended vibration input.








Electrodynamic shakers are capable of generating high forces over a wide range of frequencies. To limit the amount of unwanted vibration energy from being transmitted into the floor and throughout the facility, pneumatic mounts between the shaker and the floor are filled with compressed air to isolate the transmission of this energy. Shakers are relatively heavy pieces of equipment and, as such, are typically mounted on the ground floor of the facility.

Key Concepts:
  • Natural Frequency:
    Every system has a natural frequency at which it vibrates most readily. Vibration isolation aims to make the system's natural frequency lower than the frequency of the vibrations it's trying to isolate against.

  • Isolation vs. Damping:
    Vibration isolation focuses on preventing vibration from entering or leaving a system, while damping focuses on dissipating vibration energy within the system.

  • Types of Isolators:
    Common isolators include pneumatic (air springs), mechanical (springs), and sometimes even Damping pad .

  • System Design:
    A vibration isolation system typically involves a platform to hold the test object, isolators to support the platform, and potentially a damping mechanism to further reduce vibrations.

How Vibration Isolation Works:
  1. 1. Reducing Transmission:
    Vibration isolators, like air springs or springs, are placed between the vibration table (or the test object) and the supporting structure.
  2. 2. Lowering Natural Frequency:
    The isolators are designed to have a natural frequency lower than the frequencies of the vibrations being isolated.

  3. 3. Minimizing Resonance:
    This lower natural frequency helps prevent the system from resonating (vibrating strongly) with the input vibrations, effectively reducing the transmission of those vibrations.

  4. 4. Damping:
    Dampers, such as dashpots or specific materials, can be incorporated to further reduce vibration energy by absorbing it.

Importance in Vibration Testing:
  • Accurate Results:
    Without proper isolation, external vibrations can contaminate the test results, making it difficult to determine the true behavior of the test object.

  • Component Protection:
    Vibration isolation can also protect sensitive components of the test system itself from damage caused by excessive vibration.

  • Test Fidelity:
    In applications like flight vibration testing, isolation ensures that the test object is subjected to the intended vibration profile, mimicking real-world conditions.

Examples:
  • A vibration isolation system might be used to isolate a satellite test from the vibrations of the shaker table itself.

  • In a lab setting, vibration isolation can be used to isolate a microscope from building vibrations.

  • Flight vibration tests on aircraft require robust vibration isolation to ensure accurate measurement of structural responses.


Laboratory Accurate Electrodynamic Vibration Shaker System Lab Vibration Table



Laboratory Accurate Electrodynamic Vibration Shaker System Lab Vibration Table

Laboratory Accurate Electrodynamic Vibration Shaker System Lab Vibration Table






Laboratory Accurate Electrodynamic Vibration Shaker System Lab Vibration Table

Laboratory Accurate Electrodynamic Vibration Shaker System Lab Vibration Table

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.


Laboratory Accurate Electrodynamic Vibration Shaker System Lab Vibration Table
Laboratory Accurate Electrodynamic Vibration Shaker System Lab Vibration Table

Laboratory Accurate Electrodynamic Vibration Shaker System Lab Vibration Table





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