Heavy Duty Vibrating Screen

A heavy duty vibrating screen handles the coarse, abrasive and high-volume materials commonly found in mining, quarrying and aggregate production. It separates bulk materials into different size fractions while keeping the screening process moving under demanding operating conditions. For plants processing blasted rock, crushed stone, gravel or mineral ores, the screen must be matched to both the incoming material and the required output—not simply selected by screen dimensions.

DAHAN heavy duty vibrating screens are available in different screen sizes and configurations to suit varying feed conditions and production targets. Depending on the model, the listed YK series covers processing capacities of approximately 220–600 t/h and maximum feed sizes of 200–400 mm. Screen area, deck arrangement and other operating parameters can be selected according to material characteristics, feed gradation and the required separation sizes.

Processing Capacity: 220-600 t/h

Maximum Feed Size: 200-400 mm

Screen Surface Area: 3.6-14.4 m²

Screen Decks: 1-2 decks for listed YK models

Typical Materials: Crushed stone, gravel, ore and other bulk materials

Heavy Duty Vibrating Screen Models and Specifications

DAHAN's YK series heavy duty vibrating screens are available in several sizes to accommodate different feed rates and screening requirements. The model range includes single-deck and double-deck configurations, with screen areas from 3.6 to 14.4 m². For larger production lines, models such as YK2060, 2YK2060, YK2460 and 2YK2460 offer higher listed handling capacities and larger screening surfaces.

The following specifications are taken from DAHAN's published YK series product data. They provide a practical starting point for comparing models before selecting a screen for a particular application.

DZSF Series Heavy Duty Linear Vibrating Screens

For applications requiring linear screening, We offers the DZSF series in different screen dimensions and motor configurations. The three models below cover processing capacities of up to 23–32 t/h.

Types of Heavy Duty Vibrating Screens

Heavy duty screening requirements vary with the material, feed rate and size fractions that need to be separated. We offers circular and linear vibrating screen configurations for different screening conditions. Although both use vibration to move material across the screen surface, their motion patterns and operating characteristics are different.

Heavy Duty Circular Vibrating Screen

A circular vibrating screen moves material along the screen surface through a circular or near-circular motion. This movement helps spread incoming material and carry it toward the discharge end while particles smaller than the screen openings pass through the mesh.

YK series is suitable for screening coarse and medium-sized bulk materials in applications such as crushed stone production, quarrying and mineral processing. Its available models cover different screen areas, feed sizes and production capacities. Single-deck and double-deck configurations can be selected according to the number of product fractions required.

This type is worth considering when the production line handles relatively coarse feed and requires continuous separation of materials into different size ranges.

Heavy Duty Linear Vibrating Screen

A linear vibrating screen moves material forward along the screen deck in a relatively straight-line path. The directional movement helps convey material toward the discharge outlet while screening takes place across the deck.

DZSF series uses two vibration motors to generate its linear motion. The available models include DZSF-1224, DZSF-1525 and DZSF-1530, with screen dimensions ranging from 1200 × 2400 mm to 1500 × 3000 mm and listed processing capacities of up to 23–32 t/h.

Circular vs. Linear Vibrating Screen

The choice between circular and linear motion should be based on the actual screening task rather than capacity alone. Feed size, moisture, required separation points, installation space and the layout of the existing production line all affect the selection. We can assess these conditions to recommend a suitable screen type and model.

Working Principle of Heavy Duty Vibrating Screen

A heavy duty vibrating screen uses mechanical vibration to separate bulk materials according to particle size. The vibration causes the material to spread across the screen surface and move gradually toward the discharge outlet. During this process, particles smaller than the screen openings pass through the mesh, while larger particles remain on the deck and continue moving forward.

The screening result depends on several factors, including vibration intensity, screen inclination, feed distribution, particle size, moisture content and screen aperture. An even feed layer allows more material to contact the screening surface, helping maintain consistent separation throughout operation. For materials with different size distributions or separation requirements, the screen opening and deck configuration can be adjusted accordingly.

Structure and Key Components of a Heavy Duty Vibrating Screen

A heavy duty vibrating screen operates under repeated dynamic loads, especially when handling coarse stone, ore and other abrasive bulk materials. Its structural components must work together to maintain stable screening motion, support the material load and withstand continuous operation. The main components are described below.

Screen Box: The screen box forms the main working body of the machine. It supports the screen decks and carries the material during screening. Its side plates, cross members and connecting structures are subject to repeated vibration and material impact. 

Screen Mesh or Screen Panels: The screen surface determines which particle sizes pass through and which remain on the deck. Depending on the material and required separation size, different screen openings and screen surface configurations can be selected. 

Vibration Excitation System: The excitation system generates the vibration required for screening. Its configuration differs between the two DAHAN series:

• YK Circular Vibrating Screen: Uses a vibration exciter to produce the circular screening motion.
• DZSF Linear Vibrating Screen: Uses two vibration motors to generate linear motion along the screen deck.

The excitation arrangement determines the machine's motion characteristics and must be matched to the screen structure and operating requirements.

Support Springs: They connect the vibrating screen assembly to its supporting frame. They allow the screen box to vibrate while helping isolate vibration from the foundation. Spring condition, installation and load distribution affect the stability of the machine during operation.

Supporting Frame: The supporting frame carries the vibrating assembly and transfers its static and dynamic loads to the foundation or installation structure. Proper support and alignment are important, particularly for equipment operating under continuous heavy material loads.

Drive and Transmission Components: The drive system supplies the power needed to produce the required vibration. Depending on the screen series, the arrangement may include a motor, exciter and associated transmission components. 

Each component affects the overall operation of the screen. When selecting a heavy duty vibrating screen, it is important to consider not only the screen dimensions and processing capacity but also the excitation arrangement, structural construction, screen surface and maintenance access.

Key Features of Heavy Duty Vibrating Screen

Heavy-duty screening requires equipment that can handle large feed particles, maintain stable material movement and match the production demands of the processing line. We offers several screen models and configurations for different material sizes and screening requirements.

Heavy-Duty Screening Capability: The YK series includes models with maximum feed sizes of up to 400 mm and listed processing capacities of up to 600 t/h. These models are suitable for demanding screening applications involving crushed stone, quarry materials and mineral ores. The actual capacity depends on feed conditions, material properties and screen specifications.

Flexible Screening Configurations: We offers both circular and linear vibrating screen configurations. The YK series uses circular vibration for coarse and medium-sized material screening, while the DZSF series uses two vibration motors to generate linear motion. This gives buyers different equipment options according to their material handling and screening requirements.

Multiple Models for Different Production Requirements: Different production lines have different requirements for screening area, throughput and product separation. We provides multiple YK and DZSF models with different dimensions, capacities and configurations, making it easier to select equipment that fits the available installation space and required production output.

Screen Deck and Wear-Resistant Options

The screen deck is one of the main wear areas of a heavy duty vibrating screen. Large particles can strike the surface during feeding, while continuous material movement causes abrasion throughout operation. Selecting the right screen surface involves more than choosing an opening size. Material hardness, particle shape, moisture and the required screening accuracy all need to be considered.

Screen openings determine the particle sizes that pass through the deck. The required opening depends on the finished product specifications and the size distribution of the incoming material. For multi-stage screening, different openings can be installed on separate decks to produce several size fractions in one machine. 

Applications of Heavy Duty Vibrating Screen

Our heavy duty vibrating screens are suitable for screening various coarse and abrasive materials, including crushed stone, gravel, granite, limestone, iron ore, coal, coke and other mineral ores. They are commonly used in mining, quarrying and aggregate production lines where materials need to be separated into different particle sizes.

Other applicable materials include quartz sand, silica sand, slag, construction aggregates and mineral processing residues. The suitable screen model and configuration depend on material hardness, feed size, moisture content, required separation size and hourly processing capacity.

Customization Options for Heavy Duty Vibrating Screen

DAHAN heavy duty vibrating screens can be selected and configured according to material properties, production capacity and installation requirements. Available options may include screen dimensions, deck numbers, screen openings and screen surface materials.

Motor power, electrical specifications, feed inlets and discharge outlets can also be considered according to the selected model and production line layout. These details should be confirmed before manufacturing to ensure the equipment fits the customer's operating conditions.

Manufacturing and Quality Control

Manufacturing quality has a direct effect on the stability and service life of a heavy duty vibrating screen. DAHAN operates a 10,000 m² manufacturing facility equipped with more than 100 large and medium-sized metal processing, riveting and assembly machines. The facility supports the production of vibrating screening equipment for different industrial applications.

For heavy duty screens, particular attention needs to be paid to screen box fabrication, welded connections, component assembly and the installation of the vibration system. These areas are exposed to repeated dynamic loads during operation, so structural accuracy and secure connections are important.

Before shipment, the finished machine should be checked for dimensions, assembly condition, fastener tightness and electrical connections. A running test can also help identify abnormal vibration, noise or other issues that need attention before delivery.

Frequently Asked Questions About Heavy Duty Vibrating Screens

How do I choose a suitable heavy duty vibrating screen?

Start with the material type, maximum feed size, required hourly capacity and target particle sizes. The number of screening decks, material moisture and installation space should also be considered. These details help determine the appropriate screen type, dimensions and configuration.

What is the difference between circular and linear vibrating screens?

A circular vibrating screen produces a circular or elliptical motion and is commonly used for screening coarse, heavy materials such as rocks, ores and aggregates. A linear vibrating screen moves material along a straight-line path and is suitable for applications requiring controlled conveying, sizing or dewatering.

What factors affect the processing capacity of a heavy duty vibrating screen?

Processing capacity is affected by feed particle size, material bulk density, moisture content, screen opening, deck area and feed distribution. Sticky or wet materials may reduce screening capacity if the mesh becomes blocked. The actual capacity should therefore be evaluated against the material and operating conditions rather than selected by model size alone.