When the ZW is switched on a sinusoidal centrifugal force is provided by rotation of the eccentric weights. With only one ZW fitted on a vibrating machine a rotating force is provided resulting in a circular movement of the machine. Two counter-rotating ZW fitted in parallel on the same machine provide a linear force resulting in a linear movement of the machine. The requirement of circular or linear movement depends on the application
The working part of the vibrator is a rod-shaped hollow cylinder with an eccentric vibrator inside. Driven by the motor, it rotates at high speed to generate high-frequency and micro-amplitude vibration. The vibration frequency can reach 12,000 to 15,000 times/min. Simple and long service life. It is suitable for vibrating beams, columns, walls and other components and mass concrete.
There are many kinds of concrete surface vibrators, among which the most commonly used is the plate type surface vibrator. The plate type surface vibrator is placed directly on the concrete surface, and the vibration wave generated by the vibrator is transmitted to the concrete through the vibrating base plate fixed to it. Since the vibration wave is transmitted from the concrete surface, it is called a surface vibrator. When working, two people hold the handle of the vibrator and drag it according to the needs of the work. It is suitable for concrete with large area and small thickness, such as concrete precast building slab, pavement, bridge deck, etc.
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