Three methods to reduce vibration of sand making machine
The sand making machine will inevitably vibrate due to various reasons during the working process. Long-term vibration will cause the screws and other parts to loosen or even fall off. This is one of the reasons why we emphasize the need for regular maintenance of the sand making machine equipment.
1. Spiral steel wire rope vibration isolation. As a vibration damping element, steel wire rope has variable parameter performance of low frequency, large damping, high frequency and low stiffness, so it can effectively reduce the vibration of the machine body. Compared with the traditional rubber damping source, it has the advantages of oil resistance, corrosion resistance, temperature difference resistance, high temperature resistance, aging resistance and small size. The vibration isolation effect mainly depends on its nonlinear hysteresis characteristics.
2. Hydraulic vibration isolation. The hydraulic support system is an integrated structure composed of traditional rubber support and hydraulic damping. It can provide greater damping in the low frequency range, and quickly attenuate the large-scale vibration of the engine. It has lower dynamic stiffness and energy at medium and high frequencies. Effectively reduce the vibration and noise in the cab.
3. Rubber vibration isolation. The traditional engine adopts elastic support to reduce vibration, and the vibration isolation device has a simple structure, low cost and reliable performance. The rubber support is generally installed on the frame, and is divided into compression type, shear type and compression-shear composite type according to the force.
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