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High end electromagnetic vibrator

To sb Electromagnetic vibrator Based on the fatigue reliability, the spring plate group structure in the
The optimization design research of.
Spring plate group is an important part of electromagnetic exciter
Provide elastic restoring force during continuous vibration. As the spring plate group is working
Due to the long-term alternating stress during operation, if the design is improper, it will lead to electromagnetic field
The working performance of the vibration exciter decreases, and even causes the spring plate group structure to break down
Bad. Therefore, the fatigue reliability of spring plate group largely determines the whole
Reliability of electromagnetic exciters.
After many experiments and trial production, the installation and fixation of spring group has been determined
The method, the shape of the spring plate, the material used, and the stiffness parameters of the spring plate and
The maximum allowable deformation, etc. The installation and fixing method is: the spring plate is located at the
On both sides of the center line of the fixture mounting plate, there is a group of bolts and spacer gaskets respectively
Clamp, 30 pieces in each group. See Fig. 1 for unilateral installation and fixation.
Considering the dispersion and structure of the material physical parameters of the spring plate group
The influence of random factors such as dimension error and assembly error, as well as the influence on spring plate
Therefore, the spring plate group structure is based on fatigue reliability
The method of optimization design is discussed. This is a new design method.
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