Linear Vibrating Screen for Gravel
Straight-line motion · Even material spread · Efficient steep-angle conveying
Linear vibrating screen · twin synchronized exciters for straight-line motion
Core specifications
Deck width1200 – 2400 mm
Installation angleUp to 25° (steeper than circular screens)
Capacity50 – 550 t/h
Motor power2 × 5.5 – 2 × 22 kW
Motion typeSynchronized twin-exciter straight-line
Linear Vibrating Screen for Gravel – Overview
The SMC linear vibrating screen for gravel uses twin counter-rotating exciters to generate a straight-line vibration trajectory rather than the circular motion of eccentric-shaft screens, spreading gravel evenly across the full deck width while conveying material efficiently even at steeper installation angles than circular motion screens typically allow.
The twin exciter system consists of two shafts rotating in opposite directions, synchronized so that their combined force vector produces a purely linear (straight-line) throw rather than a circular or elliptical path, and this linear throw direction can be set at an angle relative to the deck to optimize the balance between material conveying speed and screening residence time.
Because material is evenly distributed across the full deck width almost immediately after entering a linear screen, rather than gradually spreading as it does on some circular motion screens, screening efficiency tends to be more consistent across the deck, particularly valuable for gravel where uniform bed depth improves separation accuracy.
The steeper achievable installation angle of linear motion screens, without sacrificing conveying speed, allows plants to fit screening equipment into layouts with less available headroom or where a more compact structural footprint is needed compared to the shallower angles typically used with circular motion screens.
Deck panels for gravel screening are commonly specified in heavy-duty rubber or polyurethane given gravel's abrasive, impact-heavy nature compared to finer material, with panel thickness and hardness selected to balance wear life against screening precision for the target gravel size fractions.
The synchronized twin-exciter drive requires precise timing between the two shafts, maintained through a mechanical or electronic synchronization system, and regular inspection of this synchronization is important since even small timing drift can degrade the pure linear motion into an elliptical pattern that reduces screening performance.
Typical applications include gravel sizing in aggregate and mining operations, pre-screening ahead of crushers where steep installation angles help fit equipment into tight plant layouts, and any gravel screening duty where even material distribution across deck width is a priority.
For gravel screening applications needing even material distribution and flexibility for steeper installation angles, the SMC linear vibrating screen's twin-exciter design delivers efficient, consistent performance.
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 Linear Vibrating Screen For Gravel Manufacturers and
Wholesale Linear Vibrating Screen For Gravel 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
Twin Synchronized Exciters
Two counter-rotating shafts combine to produce pure straight-line motion.
Even Full-Width Spread
Material distributes evenly across the deck almost immediately upon entry.
Steep-Angle Conveying
Linear motion maintains conveying speed even at steeper installation angles.
Adjustable Throw Angle
The linear throw direction can be tuned to balance speed against residence time.
Applications & Industries
Gravel Sizing Operations
General-purpose gravel screening in aggregate and mining plants.
Tight Layout Pre-Screening
Steep installation angles fitting equipment into compact plant designs.
Even-Distribution-Critical Duty
Applications where uniform bed depth across deck width matters most.
Impact-Heavy Coarse Screening
Durable panel options suited to gravel's abrasive, impact-heavy nature.
Suitable For Various Mining Applications
Equipment Production Line
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Selection Guide – Choose the Right Model
LVS-1230
Feed: 1200mm wide · Capacity: 50–150 t/h
Compact linear screen for smaller gravel operations.
LVS-1848
Feed: 1800mm wide · Capacity: 120–320 t/h
Balanced model for standard-scale gravel screening.
LVS-2160
Feed: 2100mm wide · Capacity: 220–430 t/h
Higher-capacity option for larger gravel plants.
LVS-2460
Feed: 2400mm wide · Capacity: 320–550 t/h
Top-capacity model for major gravel screening throughput.
Comparison – Linear Vibrating Screen vs Circular Vibrating Screen
Key Performance Indicators
Full-width material distribution · Steep-angle conveying efficiency · General-purpose versatility (relative)
Linear Vibrating Advantage
- More even material distribution across deck
- Efficient at steeper installation angles
- Consistent screening accuracy across width
Circular Vibrating Screen
- Wider proven general-purpose application range
- Simpler single-shaft exciter design
- Lower cost for standard screening duty
Key Components – Built to Last
Twin Synchronized Exciters
Counter-rotating shafts producing the linear vibration trajectory.
Synchronization System
Mechanical or electronic timing keeping the twin exciters precisely aligned.
Heavy-Duty Rubber/PU Panels
Wear-resistant deck panels suited to gravel's abrasive, impact-heavy duty.
Reinforced Screen Box
Structure sized for the dynamic loads of steep-angle linear operation.
Isolation Spring Mounts
Support the screen box while absorbing linear-motion dynamic forces.
Dual Drive Motors
Independently powering each of the twin synchronized exciter shafts.
Installation & Commissioning
Foundation
Support structure accommodating the screen's steeper installation angle option.
Exciter Synchronization Setup
Verify and set precise timing between the twin exciter shafts.
Panel Installation
Fit heavy-duty rubber or polyurethane panels suited to gravel screening.
Commissioning
No-load run to confirm pure linear motion, then gradual gravel feed.
Maintenance Schedule & Wear Trend
Wear/Component Life Over Time (Relative)
Monitor exciter synchronization closely — timing drift degrades linear motion into an inefficient elliptical pattern.
Daily Checks
- Motion pattern verification (linear vs elliptical)
- Panel condition
- Material distribution across deck width
Weekly Checks
- Inspect synchronization system
- Check isolation spring condition
- Verify panel wear pattern
Monthly
- Grease both exciter shafts
- Inspect synchronization timing precisely
- Check panel tensioning
Yearly
- Full dual-exciter bearing inspection
- Complete synchronization system service
- Replace panels 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 does linear motion differ from circular motion screening?
Twin counter-rotating exciters combine to produce a pure straight-line vibration trajectory, rather than the circular path generated by a single eccentric shaft, resulting in more even material distribution and efficient steep-angle conveying.
2. Why does linear motion spread material more evenly?
The straight-line throw direction distributes material across the full deck width almost immediately upon entry, rather than gradually spreading as material travels down the deck as can occur with circular motion.
3. What installation angles does this screen support?
Linear motion screens can typically be installed at steeper angles, up to around 25 degrees, while maintaining conveying speed, compared to the shallower angles typically used with circular motion screens.
4. What happens if the twin exciters lose synchronization?
Timing drift between the two shafts degrades the pure linear motion into an inefficient elliptical pattern, reducing screening performance, which is why synchronization should be monitored and maintained regularly.
5. What panel materials are recommended for gravel screening?
Heavy-duty rubber or polyurethane panels are commonly specified given gravel's abrasive, impact-heavy nature, with thickness and hardness selected to balance wear life against screening precision.
6. Can the throw angle be adjusted?
Yes, the linear throw direction can be tuned relative to the deck to optimize the balance between material conveying speed and screening residence time for your specific application.
7. What capacity range is available?
Capacity ranges from 50 to 550 t/h depending on deck width and configuration, suitable for a wide range of gravel screening operations.
8. How is the twin-exciter synchronization maintained?
A mechanical or electronic synchronization system keeps the two shafts precisely timed; this system should be inspected regularly as part of routine maintenance.
9. Is this screen suitable for fine material as well as gravel?
While it can handle a range of material sizes, it is generally specified and optimized for gravel and coarser aggregate screening rather than very fine particle separation.
10. What foundation considerations apply to steep-angle installation?
Steeper installation angles change the support structure's load geometry, so foundation design should account for the specific angle selected for your installation.
11. How does maintenance differ from a circular vibrating screen?
The primary additional maintenance consideration is monitoring and maintaining precise synchronization between the twin exciter shafts, which circular motion single-shaft screens do not require.
12. What warranty is offered?
A standard 12-month warranty covers manufacturing defects, with deck panels and the synchronization system covered under standard wear-item terms.
After-Sales Support & Services
Installation Angle Consultation
Guidance on optimal angle selection for your plant layout and gravel type.
Heavy-Duty Panel Supply
Rubber and polyurethane panels stocked for gravel's abrasive screening duty.
Synchronization Service Support
Assistance maintaining precise twin-exciter timing for optimal performance.
24/7 Technical Support
Ongoing assistance for linear vibrating screen operations.
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