What is Air-Cooled Electrodynamic Shaker?

An air-cooled electrodynamic shaker is a type of vibration testing equipment used to subject objects or structures to controlled vibrations for testing and analysis purposes. It is commonly used in industries such as aerospace, automotive, electronics, and military to simulate real-world conditions and assess the performance and durability of products.

Here are some key features and components of an air-cooled electrodynamic shaker:

1. Electrodynamic Shaker: The core component of the system is an electrodynamic shaker, which consists of a magnet and coil assembly. When an alternating current is passed through the coil, it interacts with the magnetic field to generate vibrations.
2. Armature: The object or structure to be tested is securely mounted to the armature, which is attached to the shaker. The armature transmits the vibrations generated by the shaker to the test specimen.
3. Air Cooling System: The shaker is equipped with an air cooling system to dissipate the heat generated during operation. Air is circulated around the shaker to prevent overheating and ensure continuous and reliable performance.
4. Power Amplifier: An amplifier is used to provide the electrical power required to drive the shaker and generate the desired vibration levels. The amplifier receives signals from a control system or a test setup to control the frequency, amplitude, and waveform of the vibrations.
5. Control System: The control system is responsible for regulating and monitoring the vibration parameters. It allows the user to input the desired test specifications, such as vibration frequency, amplitude, and duration.
6. Fixture and Mounting Accessories: Depending on the test requirements, specific fixtures and mounting accessories are used to secure the test specimen to the armature and ensure proper transmission of vibrations.

Air-cooled electrodynamic shakers offer advantages such as high force output, wide frequency range, and efficient cooling without the need for external cooling systems. They are typically used for a range of vibration tests, including sine, random, shock, and resonance testing.

It’s worth noting that the specific capabilities, force range, frequency range, and other specifications of an air-cooled electrodynamic shaker can vary depending on the model and manufacturer.