The components of a sieving machine include:
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Sieve or Screen: This is the most critical part of the sieving machine, typically made of stainless steel woven wire mesh. The mesh has varying opening sizes, which are crucial for the separation of particles based on their size. The mesh is held in place by a screen frame.
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Screen Frame: This is a circular metal ring that holds the mesh in place. It can be made of stainless steel or brass and comes in various standard sizes depending on the region. The frame ensures the stability and proper positioning of the mesh during the sieving process.
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Motor: The motor provides the power necessary for the operation of the sieving machine. It drives the mechanisms that cause the shaking or vibrating motion of the sieve, essential for the separation of particles.
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Timer Switch Device: This device controls the duration of the sieving process, allowing for precise timing based on the material being sieved and the desired outcome.
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Transmission Gear and Eccentric Wheel: These components transmit the power from the motor to the main shaft, which in turn drives the eccentric wheel. The eccentric wheel is responsible for the side-to-side shaking motion of the sieve.
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Slap Hammer and Stroke Adjustment Rod: These parts are specific to certain types of sieving machines, like the standard slap sieve. The slap hammer provides additional motion that helps in the sieving process, while the stroke adjustment rod controls the force of the hammer, allowing for adjustments based on the material being sieved.
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Sieve Frame Tray: This tray holds the sieve frame and can be adjusted in height to accommodate different sieve frames with varying mesh numbers. It ensures that the material being sieved is properly distributed across the sieve surface.
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Base and Support Structure: The base provides stability to the entire machine, while the support structure, including vertical and horizontal rods, holds the sieve cradle and other moving parts in place.
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Dust Cover and Feed Inlet (for certain types like the Rotal vibration sieve): These components help in managing the flow of material into the sieve and contain dust or debris generated during the sieving process.
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Vibration Motor and Shock-Absorbing Springs (for vibration sieves): These elements create the vibration necessary for the sieving process and help in absorbing the vibrations to protect the machine's structure.
These components work together to ensure efficient and effective separation of particles based on size, using either shaking, vibrating, or slapping motions, depending on the specific design of the sieving machine.
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