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Vibrating screen is necessary sand making equipment in sand production line. Vibrating screen is using of transducer excitation produced complex rotary type vibration to work. It generally consists of a vibrator, screen box, support or suspension device such as a stent, and the whole composition.The use of the vibrating screen usually pay attention to protect its located below the sieve vibrating screen and hammer, ensure its ability to balance the normal operation, which according to the amount of material and the load varies accordingly adjusted.Vibrating screen strong due to vibration in use rarely cause obstruction sieve material and, therefore, it has a high screening efficiency and productivity. Because of vibrating screen simple components, it is also particularly convenient maintenance.Vibrating screen is with a particularly high production efficiency, quality, lightweight, easy to transport, a variety of models to meet the various needs of people to produce, especially for power consumption and less vulnerable parts rarely. However, sometimes vibrating screen will appear unable to start fault.The most common is the vibration exciter is out of order, we must first understand the working principle of vibration screen, which uses the principle of vibration exciter for sieving materials, when the vibration exciter failed to normal power operation also makes the equipment can"t be started, while the actuator when working ensure good lubrication condition, not only to professional and efficient lubrication oil to prevent grease appeared thickened solidification phenomenon of agglomeration, no proper lubricating function, to check the oil situation and change the appropriate lubricant.Again is the linear vibrating screen equipment malfunction, linear vibrating screen by material supply flow changes, the maximum feed rate exceeds the requirements of feeding value, makes the material in the sieve surface forming plug, when the materials are stacked to a certain amount, linear vibrating screen "s work load, lead to the normal start, such method is that the screen surface material clean up, ensure the screen surface can smooth screening material.And then, look at the power fault is it right?. Look at the motor current situation, if it is a fault to be replaced with new motor parts can be; the shaker assembly line is composed of centralized control line combination, when some elements are damaged, to be timely replacement of the element; sometimes voltage instability, and start voltage is lower than the rated voltage value, ensure the vibrating screen in the working process of the voltage stability.sand washing machine: http://www.fte-china.com/pro/sand_washer.html