PU Elastomer Casting Machine | Bridge Engineering
High-performance casting system for bridge engineering applications, featuring large-flow wide-pressure pouring and anti-corrosion additives
Pouring Rate
150～2000 g/s
Dynamic Metering Accuracy
≤±0.3% (Full range)
Tank Capacity
220 / 300 L
Pouring Pressure
1.0～3.0 MPa
Product Overview
Specially designed for polyurethane elastomer pouring in bridge engineering, widely suitable for bridge bearing cushion, bridge deck crack repair, expansion joint sealing, pier anti-collision layer pouring.
This PU elastomer casting machine is purpose-built for bridge engineering applications, including bridge bearing cushions, bridge deck crack repair, expansion joint sealing, and pier anti-collision layer pouring. The 2A2B two-component system includes a dedicated anti-corrosion additive tank, providing long-term resistance to rain and acid-base erosion for humid and harsh outdoor bridge conditions. The large-flow and wide-pressure pouring capability (150–2000 g/s, 1.0–3.0 MPa) is ideal for large-area construction and thick-layer filling, ensuring full and dense forming to meet high-load bearing requirements. The system supports flexible switching between MOCA and BDO dual curing agents, adapting to scenarios such as bearing high load and bridge deck quick repair. With precise temperature control, efficient cleaning, and firm bonding to concrete and steel, the machine is suitable for high-altitude mobile operation, effectively protecting bridge structures and prolonging service life.
Operation Workflow
Raw Material & Additive Preparation
Prepare polyurethane prepolymer and curing agent (MOCA or BDO) at the target mix ratio (MOCA: 100:10-14; BDO: 100:4-7); select anti-corrosion additives and load them into the dedicated tank.
Tank Loading & Temperature Setting
Load prepolymer into Tank A and curing agent into Tank B; set Tank A temperature to 30-80°C and Tank B per curing agent (MOCA: 90-115°C; BDO: 25-50°C).
Vacuum Defoaming
Activate the vacuum defoaming system to reach a vacuum level ≤-0.095MPa, removing bubbles for a dense, void-free elastomer with consistent mechanical properties.
Large-Flow, Wide-Pressure Metering, Mixing & Pouring
The PLC metering system dispenses precisely; the mixing head runs at 6000-10000 r/min, with pouring rate (150-2000 g/s) and pressure (1.0-3.0 MPa) adjustable for large-area filling.
Technical Specifications
Standard configuration parameters for the bridge PU elastomer casting machine. Customizations are available upon request.
| Technical Parameter | HF-CPUE-2A2B-Bridge |
|---|---|
| Pouring Rate | 150～2000 g/s |
| Raw Material Ratio | Polyurethane Prepolymer : Curing Agent(MOCA)=100:10~14; Polyurethane Prepolymer : Curing Agent(BDO)=100:4~7 |
| Tank Capacity | 220 / 300 L |
| Mixing Head Speed | 6000～10000 r/min |
| Dynamic Metering Accuracy | ≤±0.3% (Full range) |
| Tank Configuration | 2A2B two-component + anti-corrosion additive tank |
| Material Temperature Control | Tank A: 30~80℃; Tank B(MOCA):90~115℃, (BDO):25~50℃ |
| Pouring Pressure | 1.0～3.0 MPa |
| Vacuum Defoaming | Vacuum ≤-0.095MPa |
| Cleaning System | High-pressure circulating cleaning + air purge cleaning |
| Power | 8～18 kW |
| Control System | PLC + touch screen + multi-formula storage |
| Applicable System | Polyurethane Elastomer System |
| Warranty | 1 year |
| Certifications | Confirm applicable documents for the quoted configuration |
Key Features & Advantages
Engineered for durability, adaptability, and reliability in demanding bridge construction environments.
2A2B Configuration with Anti-Corrosion Additives
Long-term resistance to rain and acid-base erosion, suitable for humid and harsh outdoor bridge conditions, effectively protecting bridge structures.
Large-Flow, Wide-Pressure Pouring Capability
Pouring rate of 150–2000 g/s with adjustable pressure of 1.0–3.0 MPa, ideal for large-area construction and thick-layer filling with full and dense forming.
MOCA/BDO Dual Curing Agent Switching
Flexibly adapt to different construction scenarios such as bearing high load and bridge deck quick repair, covering diverse project requirements.
High-Altitude Mobile Operation Ready
Designed for outdoor and high-altitude construction with precise temperature control and efficient cleaning, ensuring stable operation at elevated work sites.
Strong Bonding with Concrete & Steel Substrates
Bonds firmly with concrete and steel, ensuring structural integrity and effectively prolonging bridge service life under vehicle cyclic loads.
Intelligent PLC Control with Multi-Formula Storage
PLC + touch screen interface with multiple formula memory simplifies operation, reduces errors, and enables rapid changeovers between formulations for different bridge construction scenarios.
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