Multi Deck Vibrating Screen Equipment
Up to four decks · Multiple simultaneous fractions · Single-pass efficiency
Multi deck vibrating screen · up to four decks for simultaneous multi-fraction sizing
Core specifications
Deck width1500 – 2400 mm
Deck count2 – 4 decks
Capacity80 – 500 t/h
Motor power15 – 37 kW
Product fractionsUp to 5 simultaneous fractions
Multi Deck Vibrating Screen Equipment – Overview
The SMC multi deck vibrating screen equipment stacks up to four screening decks within a single vibrating frame, allowing feed material to be separated into as many as five distinct size fractions in a single pass — coarse oversize, three intermediate fractions, and fine undersize — without requiring multiple separate screening machines or re-screening stages.
Each deck's aperture size is selected independently, from coarsest at the top deck to finest at the bottom deck, so that material progressively passes through decreasing aperture sizes as it travels downward, with each deck's oversize becoming a distinct product fraction while only the finest fraction passes completely through to the bottom collection point.
Running multiple decks in one machine rather than several single-deck screens in series significantly reduces the plant footprint, structural steel, and foundation requirements needed to achieve a given number of product fractions, while also reducing the number of separate drive motors, bearings, and maintenance points across the screening circuit.
The vibrating frame and drive system is sized with additional structural capacity compared to a single-deck screen of the same width, since the combined mass of multiple decks and their associated material load significantly increases the dynamic forces the frame, springs, and exciter must handle reliably over the machine's service life.
Deck spacing is engineered to provide adequate clearance for material discharge from each deck without interference between layers, while keeping the overall machine height as compact as practical given the structural and access requirements of stacking multiple screening surfaces.
Access for panel inspection and replacement on lower decks requires careful design consideration, since these surfaces are less accessible than a single-deck machine's screen; SMC's multi deck screens include side access panels and lifting provisions specifically intended to simplify maintenance on decks that would otherwise be difficult to reach.
Typical applications include aggregate plants producing several distinct product gradations simultaneously — such as separate concrete sand, pea gravel, and multiple coarse aggregate sizes — from a single screening pass, where the footprint and cost savings of consolidating multiple fractions into one machine are significant.
For plants needing to produce multiple size fractions simultaneously without dedicating separate screening machines to each, the SMC multi deck vibrating screen delivers meaningful space, capital, and maintenance-point savings.
Sanming Mining - Raising Industry Standards
Company Profile
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Sanming is an international Mining Machinery Equipment Supplier that integrates R&D, Manufacturing, and Sales of Rock Crushing&Screening equipment, as well as Sand Making, Sand Washing, and Grinding equipment. Sanming has passed ISO9001 quality system certification.
As
China Multi Deck Vibrating Screen Equipment Manufacturers and
Wholesale Multi Deck Vibrating Screen Equipment Factory, our equipments are widely used in the fields of Sand and Gravel Aggregate processing, Mining, and Construction Waste Resource utilization.
"Sanming" brand equipments are not only distributed in nearly 30 provinces in China, but also exported in large quantities to multiple countries in Central Asia, the Middle East, South America and Africa, and has received unanimous praise from users. Our main production base is located in Qidong (Shanghai Pudong New Area Industrial Park). We warmly welcome your visit to our factory.
- 200+
Number Of Products
- 20,000
Factory Area
- 500w
Annual Sales
- 40%
Annual Export Ratio
How It Works – Working Principle
Progressive Aperture Decks
Coarsest deck on top, progressively finer apertures moving downward.
Simultaneous Fraction Separation
Each deck's oversize becomes a distinct product fraction.
Consolidated Frame & Drive
One exciter and frame serve all decks, reducing equipment count.
Engineered Deck Spacing
Adequate clearance prevents interference between discharge streams.
Applications & Industries
Multi-Fraction Aggregate Plants
Producing several concrete and road-base fractions in one pass.
Concrete Sand & Gravel Separation
Simultaneously separating sand, pea gravel, and coarse aggregate.
Footprint-Constrained Plants
Achieving multiple fractions without space for several single-deck screens.
High-Value Product Diversification
Plants selling many distinct graded products from one feed stream.
Suitable For Various Mining Applications
Equipment Production Line
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Selection Guide – Choose the Right Model
MDS-1548
Feed: 2 decks · Capacity: 80–200 t/h
Compact dual-deck screen for producing two additional fractions.
MDS-1848-3
Feed: 3 decks · Capacity: 150–320 t/h
Balanced triple-deck model for standard multi-fraction plants.
MDS-2160-3
Feed: 3 decks · Capacity: 220–400 t/h
Higher-capacity triple-deck option for larger operations.
MDS-2460-4
Feed: 4 decks · Capacity: 300–500 t/h
Maximum four-deck model for the widest product diversification.
Comparison – Multi Deck Screen vs Series of Single-Deck Screens
Key Performance Indicators
Footprint efficiency · Capital cost efficiency · Individual deck maintenance access (relative)
Multi Deck Advantage
- Significantly smaller footprint for multiple fractions
- Fewer motors and maintenance points overall
- Lower total capital cost
Series of Single-Deck Screens
- Easier individual deck access and maintenance
- Independent operation of each screening stage
- Simpler troubleshooting per machine
Key Components – Built to Last
Stacked Deck Assembly
Up to four screening surfaces with progressively finer apertures downward.
Heavy-Duty Exciter
Sized with additional capacity for the combined multi-deck dynamic load.
Reinforced Vibrating Frame
Structural capacity increased to handle multiple decks' combined mass.
Side Access Panels
Provide maintenance access to less-reachable lower decks.
Isolation Spring System
Sized for the higher combined load of the multi-deck configuration.
Individual Discharge Chutes
Separate chutes direct each deck's oversize to its own product stream.
Installation & Commissioning
Reinforced Foundation
Foundation designed for the higher combined dynamic load of multiple decks.
Deck Panel Installation
Fit progressively finer aperture panels from top deck to bottom deck.
Discharge Chute Alignment
Position separate chutes to correctly route each deck's product fraction.
Commissioning
No-load run to verify all decks, then gradual feed with fraction verification.
Maintenance Schedule & Wear Trend
Wear/Component Life Over Time (Relative)
Lower deck panels are less accessible — plan maintenance windows accordingly and use side access panels for efficient servicing.
Daily Checks
- All deck panel conditions
- Discharge chute alignment
- Exciter bearing temperature
Weekly Checks
- Inspect each deck for blinding or wear
- Check isolation springs
- Verify fraction quality at each discharge
Monthly
- Grease exciter bearings
- Inspect frame welds for fatigue
- Check panel tension on all decks
Yearly
- Full exciter bearing inspection
- Structural inspection of the multi-deck frame
- Replace panels on all decks as needed
Quality You Can Trust
Why choose Sanming
Sanming is a professional manufacturer of R&D, manufacturing and sales
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01. Design & Customization
The company has an experienced and highly skilled R&D team, which is capable of providing customers with customized equipment solutions to meet the needs of different customers
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02. Advanced Facilities
The company has invested in and introduced a series of advanced production equipment, such as high-precision CNC machine tools, automated welding equipment, etc. These equipment features high efficiency, precision and stability, which can ensure the quality of products and production efficiency
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03. Reliable Quality
The company always gives top priority to product quality. It uses high-quality raw materials and components, and through strict screening and inspection, it ensures the quality and performance of products. At the same time, the company also conducts long-term tracking and services for products, promptly solves the problems encountered by customers during the use process, and improves customer satisfaction
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04. Service Integrity
The company has established a complete after-sales service system to provide customers with comprehensive services. This includes equipment installation and debugging, operation training, maintenance, technical consultation, etc., to ensure that customers can use the equipment smoothly and maximize its benefits
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05. Cost Control
The company effectively controls product costs by optimizing the production process, reducing raw material procurement costs, and improving production efficiency. On the premise of ensuring product quality, it can provide customers with competitive prices and enhance their market competitiveness
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06. Brand Influence
After years of development, the company has established a good brand image in the mining equipment manufacturing industry and has won the trust and praise of customers
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07. Convenient Transportation
The company is only 50 kilometers away from Shanghai Yangshan Port, making the transportation of goods and exports very convenient
Frequently Asked Questions (FAQ)
1. How many product fractions can a multi deck screen produce?
A four-deck configuration can produce up to five distinct size fractions in a single pass — one oversize fraction from each of the four decks plus the finest undersize that passes completely through.
2. How is aperture size selected across the decks?
The coarsest aperture is used on the top deck, with progressively finer apertures on each deck moving downward, so material self-sorts as it travels through the stack.
3. What is the main advantage over using several single-deck screens?
A multi deck screen significantly reduces footprint, structural steel, foundation requirements, and the number of separate motors and maintenance points compared to achieving the same number of fractions with multiple single-deck machines.
4. How accessible are the lower decks for maintenance?
Side access panels and lifting provisions are specifically designed into multi deck screens to simplify maintenance access to decks that would otherwise be difficult to reach compared to a single-deck machine.
5. Does adding more decks affect the machine's structural requirements?
Yes, the frame, springs, and exciter must be sized with additional capacity to reliably handle the combined dynamic forces of multiple decks and their material load.
6. What deck configurations are available?
Two, three, and four deck configurations are available, allowing plants to select the number of simultaneous fractions that matches their product mix requirements.
7. Can different panel types be used on different decks?
Yes, panel type can be selected independently for each deck based on that deck's specific aperture size and the wear characteristics of the material fraction it handles.
8. What capacity range does this equipment cover?
Capacity ranges from 80 to 500 t/h depending on deck width and count, suitable for aggregate plants producing multiple simultaneous product fractions.
9. How does maintenance downtime compare to single-deck screens in series?
A multi deck screen consolidates maintenance into fewer overall access points, though servicing an individual deck may take a bit more care due to the stacked configuration compared to a fully independent single-deck machine.
10. What causes uneven wear between decks?
Different material volumes and particle characteristics naturally cause different wear rates between decks; monitoring each deck independently helps plan replacement schedules appropriately.
11. Is this equipment suitable for footprint-constrained sites?
Yes, its consolidated design is particularly valuable at sites where space for multiple separate screening machines is limited.
12. What warranty is offered?
A standard 12-month warranty covers manufacturing defects, with deck panels and isolation springs covered separately as wear items.
After-Sales Support & Services
Deck Configuration Consultation
Guidance selecting deck count and aperture sizes for your target fractions.
Multi-Deck Panel Supply
Panels for all deck positions stocked for ongoing maintenance.
Maintenance Access Planning
Support scheduling servicing given the stacked-deck accessibility considerations.
24/7 Technical Support
Ongoing assistance for multi-fraction screening operations.
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