Bolt-on Polyurethane Filter Screen Mesh / Panel

Core Advantages

1. Rigid Bolt Fixing for Extremely Stable Operation

• Reliable Connection Method: Utilizing a standardized design with pre-embedded steel plates or reinforced bolt holes, high-strength bolts firmly lock the screen panel onto the screen support beam. Compared to rail or tension-mounted installations, bolt fixing can withstand greater material impact and exciting forces, completely eliminating the risk of panel loosening or detachment under high-frequency vibration.

• Wide Compatibility: Perfectly compatible with the vast majority of medium-to-heavy screen panel interfaces that use bolt compression fixing on the market, making replacement and upgrades extremely convenient.

2. Excellent Anti-Blocking and Self-Cleaning for Doubled Screening Efficiency

• Efficient Self-Cleaning Mechanism: Polyurethane materials feature extremely low surface energy and an elastic recovery rate of over 95%. During operation, the screen surface generates a strong “second harmonic” micro-vibration effect, which effectively shakes off adhering moist and sticky fine particles, fundamentally eliminating screen hole blockage.

• Optimized Screen Opening Design: Screen openings are typically designed with an inverted taper (trapezoidal holes), wider at the top and narrower at the bottom. This design prevents material from getting stuck during screening, and combined with the excellent hydrophobic properties of polyurethane, it maintains extremely high throughput and separation accuracy even under challenging conditions with high moisture content.

3. Superior Wear and Impact Resistance for Extended Service Life

• Excellent Physical Properties: Made of premium wear-resistant polyurethane, its abrasion resistance is 3-5 times that of ordinary rubber and 5-8 times that of metal screens such as high-manganese steel. Under continuous scouring from highly abrasive materials like ores and coal, it resists cracking and structural damage, greatly reducing the frequency of spare parts replacement.

• Excellent Tear Resistance: The high-strength steel wire or reinforcement framework pre-embedded inside endows the screen with extremely high tensile strength and tear resistance, capable of withstanding the dual challenges of heavy material bed pressure and high-frequency vibration.

4. Vibration Damping, Noise Reduction, Lightweight and Energy Saving

• Excellent Shock Absorption and Noise Reduction: The inherent damping characteristics of polyurethane effectively absorb impact energy from material falling and machine operation, reducing operating noise by 10-20 decibels compared to traditional metal screens, significantly improving the workshop working environment.

• Reduced Operating Energy Consumption: With a density only about 1/7 that of steel, the panels are extremely lightweight. While ensuring high mechanical strength, they significantly reduce the machine’s operational load, effectively saving electrical energy consumption during operation.

Technical Parameters

• Material: High-performance wear-resistant polyurethane elastomer + built-in high-strength metal framework (steel plate / steel wire)

• Installation Method: Bolt-through hole fixing (compatible with various standard bolt compression interfaces)

• Dimensions: Maximum panel size up to 2500mm x 1200mm, thickness typically 30mm – 50mm; customized non-standard sizes available per drawings

• Screen Opening Specifications: 0.5mm – 50mm (slot, square hole, round hole, and irregular anti-blocking hole customization supported)

• Hardness Range: Shore 85A – 92A (balancing extreme anti-blocking elasticity and wear-resistant load-bearing requirements)

• Temperature Range: -30℃ to 80℃ (normal operating conditions; special formulations can withstand higher temperatures)

Application Areas

Widely used in mining beneficiation (classification and dewatering of iron ore, gold ore, copper ore, etc.), coal washing (raw coal classification, clean coal desliming), sand and gravel aggregate plants (mechanized sand classification and fine sand recovery), as well as solid-liquid separation and precision filtration operations in chemical, building materials, and power industries. Particularly suitable for various medium and heavy-duty vibrating screening equipment with extremely high requirements for overall stability, impact resistance, and anti-blocking performance.