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      V I B R A T I O N  &  S O U N D 
           Services & Sales Pte Ltd

                                     specialist in machinery vibration products, services & training since 1979 

44 Years of Expertise in Solving Machinery Vibration Problems
Main > Products > Vibration Test Shakers > F4 electromagnetic shaker
  

F4 electromagnetic shaker

The F4 electromagnetic shaker is a reaction-type shaker generating large dynamic forces for structural excitation in vibration research and testing. The reaction principle of operation and compact configuration allow this generator to be stud mounted in any position, directly to structures without external support or critical shaft alignment problems.

The F4 shaker is designed to encircle the Z820WA impedance head. The relatively light coil and bobbin of the F4 are rigidly attached to the Z820WA and the heavy cylindrical magnets are suspended by two rubber diaphragms. The dynamic weight added to the test structure is relatively low since the rubber suspended weight does not affect axial or rotational inertia of the vibration generator core above the 40 Hz resonance frequency of the system.

The F4 is designed for operation over a very wide range of audio frequencies. It can be supplied with a sensing transducer containing an accelerometer and a force gage (Z820WA impedance dead) or a standard mounting block (dummy plug). The shaker drives the tested structure through the impedance head or dummy plug.

F4 shaker is available in the following models; click here to view the datasheet :-

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