High-Efficiency Wedge Wire Curved Screen (DSM Sieve Plate)

Advanced Solid-Liquid Separation for Dewatering, Desliming & Classification
The Wedge Wire Curved Screen, also known as a DSM Screen or Sieve Bend, is a high-capacity, economical solution for preliminary dewatering and mineral processing. Utilizing a concave curved profile, our screens leverage centrifugal force and gravitational flow to achieve significantly higher filtration efficiency than flat panels.
· Ultra-Precision Slots: Customizable from 20μm to 3000μm with a strict tolerance of ±5μm.
· Optimal Geometry: Available in 45°, 60°, 120°, 270°, and 300° arcs for diverse application needs.
· Non-Clogging Design: V-shaped wires allow slots to expand inwardly, ensuring zero blockage during long-term operation.
· Exceptional Durability: Fusion-welded stainless steel (SS304, 316L, SS321) construction for maximum wear and horizontal strength.
· Versatile Flow Options: Supports Standard Wound, Reverse Formed, Reverse Wrapped, and Axial flow configurations.

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high efficiency wedge wire curved screen (dsm sieve plate)
high efficiency wedge wire curved screen (dsm sieve plate)
high efficiency wedge wire curved screen (dsm sieve plate)
high efficiency wedge wire curved screen (dsm sieve plate)
high efficiency wedge wire curved screen (dsm sieve plate)
high efficiency wedge wire curved screen (dsm sieve plate)
high efficiency wedge wire curved screen (dsm sieve plate)

Product Overview

The Wedge Wire Arc Curved Screen Plate is an essential component for coal preparation plants and mineral processing facilities. By wrapping and welding V-shaped stainless steel profile wire around support rods and bending the panel into a precise curve, we create a concave screen that excels in fine particle classification and slime recovery.

This curved structure allows material to flow perpendicularly across the slots, stripping the fluid layer and achieving precise sizing. Compared to flat screens, the DSM screen provides greater capacity and better dewatering performance, especially when used in conjunction with hydrocyclones for desliming and medium removal.

Product Specifications

Feature Item Technical Specifications
Material Grades SS304, SS304L, SS316, SS316L, SS321, E300, 809C, etc.
Slot Range 20 μm to 3000 μm (Tolerance: ±5 μm)
Wedge Wire Sizes 0.5×1.5, 0.75×1.5, 1×2, 1.5×2.5, 2×3, 2×4, 3×5 (mm)
Support Rod Sizes 1.5×2.5, 2×3, 3×5, 4×6, 5×8 (mm)
Angle Options 45°, 60°, 90°, 120°, 140°, 150°, 270°, 300°, etc.
Arc Height 10mm to 50mm (or customized based on panel size)
Max Dimensions Length up to 6000mm; Width up to 6000mm
Frame Type Frameless, "L"-shaped, Ordinary, or Customized (e.g., 5*10mm)
Flow Forms Standard Wound, Reverse Formed, Reverse Wrapped, Axial
stainless steel metal mesh conveyor belt

Key Advantages

High Structural Strength: Vertical strength increases with profile depth, while horizontal strength is optimized to prevent lateral bending, maintaining slot precision under high material loads.
Precision Sand Control: With slots as small as 0.15mm, the screen provides superior classification, reducing pump maintenance and extending the life of downstream equipment.
Self-Cleaning V-Wire Geometry: V-shaped slots expand inwardly, allowing particles to pass through easily without clogging, maintaining high efficiency over time.
Extended Service Life: A specialized opening angle minimizes wear on the profile’s top surface, preventing rapid oversized aperture limits.
Greater Capacity: The arc structure enhances centrifugal separation, delivering better dewatering and desliming than static flat plates.

Industrial Applications

Heavy Industrial Application

Water Treatment: Well screens and wastewater filtration.
Mining & Minerals: Mineral processing screens and dewatering.
Oil & Gas: Sand control and downhole completion.
Food & Beverage: High-precision grading and filtration equipment.
Powder Screen Filter: High-precision grading and classification of fine powders and granules for pharmaceutical and chemical sifters.
Paper & Pulp Filtration: Efficient fiber recovery, dewatering, and pulp cleaning to ensure consistent production quality.
high precision stainless steel wedge wire

Light Industrial Application

Y Clothing Zipper Wire: Acts as the core material for high-end metal zipper teeth, ensuring smooth operation and high tensile strength with ±0.01mm precision.
Eyewear Parts: Specifically used for eyewear rim wires, the grooved profile securely locks lenses in place while providing lightweight structural stability.
Industrial & Decorative Mesh: Enhances structural locking and filtration efficiency in stainless steel wires or premium architectural decorative mesh systems.
Watch Parts: Provides micron-level precision for watchband connectors and internal support rings, ensuring a perfect fit and long-term corrosion resistance.
Headphone Parts: Used in telescopic sliders or internal frames for high-end headphones, offering smooth adjustment through precise geometry and low-friction finishes.
Jewelry & Accessories: Utilizing SS316L’s skin-friendly properties and high polishability for modern minimalist bracelets, necklaces, and functional clasps.
high precision stainless steel wedge wire

Other Application

Medical Devices: Used in surgical instrument handles and diagnostic equipment components requiring high-precision grooved fits and biocompatibility.
Electronics Parts: Acts as miniaturized structural frames or heat-dissipation tracks within precision electronic housings.
Aerospace: High-strength profiled wire for specialized fastening and reinforcement in extreme temperature and pressure environments.
Welding: Specialized grooved filler wire designed for high-precision TIG/MIG welding and automated joining processes.
Orthodontics: Medical-grade stainless steel archwires and bracket components, ensuring precise tension and patient comfort.
Spring Steel Wire: High-tensile grooved profiles used to manufacture constant-force springs and precision torsion components.
high precision stainless steel wedge wire

Factory Strength

16+ Years of Expertise: Dedicated to producing stainless steel wire since 2009.
Large-Scale Production: 18,000㎡ facility with three state-of-the-art plants in Tianjin, China.
High-Tech Enterprise: Recognized as a National High-Tech Enterprise with ISO 9001 certification.
Global Reach: Products exported to Europe, America, Southeast Asia, and the Middle East.
Fast Fulfillment: Orders fulfilled swiftly with standard lead times of 7-15 days.
high precision stainless steel wedge wire
high precision stainless steel wedge wire

Quality Control

· Micro-Tolerance Inspection: Every DSM screen plate is measured to ensure the ±5μm slot tolerance.
· Profile Integrity Check: Verification of horizontal and vertical strength to prevent structural deformation.
· Welding Quality Assurance: 100% fusion-welding check between V-wires and support rods for impact resistance.
· Infrared Monitoring: Real-time production monitoring ensures consistent run-out tolerance across the entire curved surface.
high precision stainless steel wedge wire
high precision stainless steel wedge wire

Packaging & Delivery

Packaging: Wooden spools, iron spools, or customized packing for safe international transit.
Shipping: Sea freight, air freight, and express delivery available.
high precision stainless steel wedge wire

FAQ

Q: Why is a curved screen better than a flat screen for dewatering?
A: The curved structure (DSM) uses gravity and centrifugal force to “strip” the liquid layer from the solid material more effectively, allowing for higher flow rates and better separation in a smaller footprint.
A: Yes. We offer standard angles like 45°, 60°, and 120°, but we can customize the arc height and angle (up to 300°) to match your specific equipment frame.
A: We can manufacture curved screens with slots as small as 20μm (0.02mm), with a precision tolerance of ±5μm.
A: Sample provision is based on the quantity and complexity of the wedge wire required. For large industrial projects, we can provide samples to verify the slot precision and material grade.
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