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High Efficiency Sand Linear Vibrating Screening Machine


The sand screening machine, also known as a linear vibrating screen or linear motion vibrating screen, is a versatile and efficient screening device used to separate particles based on their size and shape. It plays a crucial role in processing raw materials, grading products, and ensuring the quality of end products. This article will delve into the working principle of a sand screening machine, exploring its components, operation, and applications. The sand screening machine is a robust and reliable screening tool widely used in various industries, including mining, metallurgy, chemical, food, and pharmaceuticals. Its design and working principle make it ideal for efficiently separating particles into different size fractions. The primary objective of the linear vibrating screen is to achieve high screening efficiency and throughput while ensuring accurate particle separation.

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Product Description
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Accurate particle sizing:

Linear vibrating screens provide precise particle sizing and separation, making them suitable for applications that require strict particle size control. The linear motion helps ensure uniform distribution of material across the sieve surface, enhancing accuracy.

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Vibrator motor

Vibrating motor: Linear vibrating screens are driven by vibrating motors that provide the necessary vibration for the screen box. The vibration can be adjusted in terms of amplitude and frequency to optimize the screening process.

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Small percentage of oversize

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Small percentage of downsize

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Grading & Sorting

Linear vibrating screens are versatile and can be used in various industries and applications. They are commonly utilized in mining, metallurgy, chemical, pharmaceutical, ceramics, plastics, recycling, and other industries for screening and grading a wide range of materials.

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Feeding distributor

There is a feed inlet with distributor on the dust cover, and a regulating valve is set in the feed inlet to distribute the material evenly to the entire screen surface, so that the screen can be fully utilized to achieve the best screening effect.


Net Frames

The net frame is the fixing device of the screen, and it is the part where the material size particles are separated. The net frame device must not only have sufficient strength to support the screen, but also ensure that the screen is flat and firmly fixed in the screen machine. At the same time, attention should be paid to the tightness between the screen and the screen to prevent material leakage.

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Packaging & Shipping




1. Linear motion: The screen box of a linear vibrating screen moves in a straight line, providing a linear motion trajectory. This linear motion helps achieve efficient screening and improved material distribution on the screen surface.

2. Multiple screen decks: Linear vibrating screens can be equipped with multiple screen decks stacked on top of each other. This allows for the simultaneous screening of different particle sizes or the separation of materials into multiple fractions.

3. Durable construction: Linear vibrating screens are constructed with robust materials, such as steel, to withstand the demanding conditions of industrial environments. This ensures long-term durability and reliability.

4. Bigger capacity: Compared with rotary vibation sieve, the linear vibration sieve has bigger sieving area, which ensure a bigger capaicty than rotary vibration sieve.  

5. Easy operation and control: Linear vibrating screens are generally equipped with user-friendly controls for convenient operation. They can be started, stopped, and adjusted easily, allowing for efficient operation and control of the screening process.


1. What is a linear vibrating screen?

A linear vibrating screen is a type of screening equipment that uses linear motion to convey materials along the vibrating surface. It utilizes vibration motors to generate linear motion, allowing the material to move evenly and efficiently across the screen surface for effective screening.

2. What are the applications of linear vibrating screens?

Linear vibrating screens are widely used in various industries such as mining, coal, metallurgy, building materials, refractory materials, light industry, chemical, and more. They are commonly used for screening and grading of bulk materials and are particularly useful for processing large quantities of materials.

3. How does a linear vibrating screen work?

The linear vibrating screen operates by vibrating the screen box, which is equipped with one or more vibrating motors. The vibrations cause the material to be thrown up and forward on the screen surface. As a result, the particles smaller than the screen mesh openings pass through the screen, while larger particles are retained and discharged as oversize.

4. How to select the right linear vibrating screen for specific applications?

To choose the appropriate linear vibrating screen, consider factors such as the material type, particle size, desired capacity, moisture content, and the specific application requirements. Consulting with a reputable manufacturer or supplier can help in making the right selection.

5. How to maintain a linear vibrating screen?

Regularly inspect the screen panels and replace worn-out or damaged ones.

Check and tighten bolts, nuts, and fasteners to ensure the machine's stability.

Lubricate the vibrating motors and other moving parts as per the manufacturer's recommendations.

Keep the screen surface clean to prevent material build-up that could affect screening efficiency.

Store the equipment properly when not in use and protect it from harsh environmental conditions.

6. Can linear vibrating screens be customized for specific needs?

Yes, many manufacturers offer customizations for linear vibrating screens to meet specific requirements. Customization options may include screen size, screen deck number, material of construction, and additional features such as dust covers or protective coatings.



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