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In the machining process can reduce forced vibration

Source: original Author:admin Hit:Loading...

In mechanical Fittings processing process to reduce forced vibration, basically have the following:

Forced vibration is due to external periodic bother force in order to avert therefore forced vibration, should find out, then the source method to control.

1. Avoid excitation frequency and the natural frequency of the system, in order to prevent the resonance.

To replace or change the spindle speed motor speed to avoid resonance region, Interface with improving the accuracy of precision, lower feeling, Eliminate contact rigidity between, improving methods, to improve the stiffness and natural frequency.

2 isolation measures adopted

If the mechanical Fittings processing machine motor and lathe bed using the flexible cohesion to isolate the vibration motor itself, The hydraulic parts and the machine apart, Adopts hydraulic buffer device in order to reduce the impact of the components, Adopts thick rubber, wood will machine and the foundation ditch in isolation, anti-vibration device and separated the contact surface to prevent the vibration source DianMo around based on the ground and machine, etc.

3. Reduce or eliminate the vibration source of vibration force

To improve the manufacturing precision of gear assembly precision, and improve the gear is special obligations to add for accuracy and stability of periodic impact caused by vibration, and can reduce the noise, To improve the rolling bearing manufacturing and assembly precision, to reduce the defects by rolling bearing and vibration, Choose the thickness of the average length of differences, transmission, etc. To speed 600r/min above in the parts necessary after equilibrium, special high-speed torsional parts, such as emery wheel, because its uneven distribution of sand itself when the uneven surface wear obligations, complex vibration of the spindle, therefore constitutes about new wheel must suspend trimmed before and after the two balance. Trim


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