Vibrating screens are essential equipment in numerous industries. They feature a vibrating mechanism that causes the screen surface to oscillate. The screen deck, typically made of wire mesh or perforated plate, allows particles of a certain size to pass through while retaining larger ones. Used for grading and separating materials, they can handle various substances like ores, sand, and gravel. Adjustable vibration parameters enable precise control over the screening efficiency. With robust construction and reliable operation, vibrating screens play a crucial role in ensuring product quality and optimizing production processes.
| TECHNICAL DATA | 952(i) EVO | 953(i) EVO |
| Feeding unit | ||
| Feed capacity up to approx. (t/h) | 500 | 500 |
| Max. feed size (mm) | 100 x 160 (350) | 100 x 160 (350) |
| Feed height – foldable slotted grate (mm) | 3580 | 3580 |
| Hopper volume (m³) | 8 | 8 |
| Hopper discharge conveyor | ||
| Width x Length (mm) | 1,200 x 3,500 | 1,200 x 3,500 |
| Feeding conveyor | ||
| Width x Length (mm) | 1,200 x 12,000 | 1,200 x 12,000 |
| Screening unit | ||
| Type | Double-deck classifying screen | Triple-deck classifying screen |
| Width x Length (mm) | 1,550 x 6,100 | 1,550 x 6,100 |
| Fine grain discharge conveyor | ||
| Width x length (extended) (mm) | 1,200 x 8,100 | 1,200 x 8,100 |
| Discharge height approx. (mm) | 3,300 – 4,500 | 3,300 – 4,500 |
| Discharge conveyor overflow lower deck (medium grain) | ||
| Width x Length (mm) | 800 x 10,200 | 800 x 10,200 |
| Discharge height approx. (mm) | 5000 | 5000 |
| Discharge conveyor overflow centre deck (medium grain) | ||
| Width x Length (mm) | - | 800 x 10,200 |
| Discharge height approx. (mm) | - | 5000 |
| Transfer conveyor | ||
| Width x Length (mm) | - | 650 x 1,800 |
| Discharge conveyor overflow upper deck (oversize grain) | ||
| Width x Length (mm) | 800 x 10,200 | 500 x 8,900 |
| Discharge height approx. (mm) | 5,000 | 5,020 |
| Power supply unit | ||
| Drive concept | diesel-hydraulic | diesel-hydraulic |
| Power pack manufacturer stage 3a | Deutz | Deutz |
| Power pack manufacturer stage V | John Deere | John Deere |
| Power supply unit output (kW) | 87 – 99 | 87 – 99 |
| Transport position dimensions | ||
| Height approx. (mm) | 3385 | 3385 |
| Length approx. (mm) | 17960 | 17960 |
| Width approx. (mm) | 3000 | 3200 |
| Transport weight basic system – max. equipment approx. (kg) | 33,000 - 40,500 | 37,000 - 44,500 |
1. The frame of a vibrating screen is the main structural support. It's usually made of heavy-duty steel to provide stability and rigidity. The frame design varies depending on the type and size of the screen.
2. The screen deck is a critical component. It's the surface on which the material is placed for screening. The deck can be made of different materials such as wire mesh, perforated metal plates, or polyurethane panels.
3. This is what drives the screening process. There are different types of vibrating mechanisms. One common type is the eccentric shaft-driven system. In this system, an eccentric shaft rotates, creating a circular or elliptical motion that causes the screen to vibrate.
4. Springs or dampers are used to support the screen frame and isolate the vibration from the surrounding structure. They play a crucial role in reducing the transmission of vibration to the foundation and other equipment.
5. The feed chute is the entry point for the material to be screened. It's designed to evenly distribute the material across the width of the screen deck.
6. The drive system consists of motors, belts, pulleys (in case of eccentric shaft-driven systems), or direct-drive couplings (for vibratory motor-driven systems). The motors provide the power to operate the vibrating mechanism.
1. Consider the nature of the materials to be screened. For abrasive materials such as ores and quartz sand, a vibrating screen with a durable screen deck material like high-strength wire mesh or thick-walled perforated plates is essential.
2. Determine the size range of the particles you need to separate. For fine-grained materials like powdered minerals, a screen with a fine-mesh wire deck and a high-frequency vibration setting is suitable.
3. Calculate the amount of material you need to screen per hour or per day. A high-capacity operation requires a vibrating screen with a larger screen area and a more powerful vibrating mechanism.
4. Decide whether your screening process will be batch-oriented or continuous. Continuous-flow vibrating screens are designed to handle a steady stream of materials and are often used in industrial production lines.
5. There are different vibration modes such as circular, elliptical, and linear. Circular-vibration screens are good for general-purpose screening and can handle a wide range of materials.
6. The amplitude and frequency of vibration affect the screening efficiency. Higher-frequency vibrations are better for fine-screening, while higher-amplitude vibrations are more suitable for moving larger, coarser materials across the screen.
7. Consider the size of the vibrating screen and ensure it fits the available space at your production site. The length, width, and height of the screen, as well as the space required for the feed and discharge chutes, need to be taken into account.
8. Check the installation requirements of the screen. Some screens need to be mounted on a solid foundation, while others may have more flexible installation options such as being suspended or placed on a support structure.
Vibrating screens utilize a vibrating motion to separate materials based on particle size. The continuous vibration causes the material on the screen deck to move and stratify.
These screens can handle a wide range of materials, including ores, sand, gravel, coal, and even food products.
With the right screen deck design and vibration settings, vibrating screens can achieve accurate particle separation. The screen deck can be customized with different mesh sizes or perforated patterns to meet specific separation requirements.
Vibrating screens are designed for high-capacity operation. They have a relatively large screening area, which allows for a significant amount of material to be processed in a short time.
The frame of a vibrating screen is usually made of heavy - duty steel to withstand the continuous vibration and the weight of the materials. The screen deck is also constructed with durable materials to resist wear and tear.
Vibrating screens offer a high degree of customization and adjustment. The vibration parameters such as frequency, amplitude, and direction can be adjusted to suit different materials and screening requirements.
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