The working principle of a vibration shaker, as exemplified by the sieve shaker, involves the use of a vibration motor to generate mechanical vibrations that facilitate the separation and grading of materials by size. Here's a detailed breakdown of how this process works:
Vibration Force Generation: The vibration shaker typically uses a motor, such as the YZU vertical vibration motor, to create the necessary vibration force. This motor is the primary source of vibration for the entire machine. The motor's rotation drives the upper vibrating plate, which in turn transmits the vibration through the vibrating plate to the screen frame.
Material Separation: As the screen frame vibrates, materials placed on the sieve are subjected to the mechanical force. Particles smaller than the aperture of the screen are sieved to the lower screen frame, allowing only materials of the same particle size to remain in each screen frame. This process effectively separates different particle sizes and determines the particle size composition of the material.
Three-Dimensional Throwing Motion: Some advanced sieve shakers employ a three-dimensional throwing motion, which is achieved through electromagnetic drive devices. This motion helps in moving the materials evenly across the entire analysis screen surface, enhancing the screening efficiency.
Adjustment Function: Screening machines often feature an adjustable eccentric block structure. This allows for the adjustment of the vibration intensity and frequency, which is crucial for optimizing the screening process for different materials and achieving precise mesh sizes.
Application and Benefits: Vibration shakers are widely used in laboratory settings and industrial processes for filtering, grading, and screening purposes. They offer benefits such as wet and dry fine sieving capabilities, fast and repeatable results, multilevel testing, and the use of materials like SUS304 stainless steel for durability and precision.
In summary, the vibration shaker operates by using a motor to generate vibrations that are transmitted to a sieve or screen. These vibrations cause the material to move and separate according to its size, allowing for efficient grading and separation of particles. The adjustable features and three-dimensional motion enhance the versatility and effectiveness of these machines in various applications.
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