Industrial Cast Polyurethane Elastomer Solution
End-to-end casting systems tailored for industrial rollers, screens, and wear liners. Combining vacuum falling-film degassing with dynamic servo-metered dispensing for elastomer casting with agreed process and inspection criteria.
Turnkey Engineering for High-Performance CPU Components
Industrial elastomers operate under severe conditions including extreme abrasion, cyclic mechanical fatigue, and aggressive chemical exposure. Traditional manual batch processing frequently introduces thermal gradients and atmospheric micro-voids that trigger premature product failure. Haifeng’s Cast Polyurethane Elastomer (CPU) Solution eliminates these variables through automated closed-loop temperature control, vacuum falling-film degassing, and synchronized multi-component dynamic dispensing.
Continuous Micro-Void Elimination
Multi-stage thin-film falling vessels operating below 0.08 kPa strip moisture and micro-bubbles before casting, preventing internal porosity in thick-walled parts.
Dynamic Thermal Uniformity
Independent thermal oil circulation loops insulate storage vessels, metering pumps, and delivery hoses up to 140°C to handle high-melting crosslinkers like MOCA without precipitation.
From standalone three-component casting skids to fully automated multi-station carousel lines, our solutions ensure consistent material stoichiometry and high molecular density across every production batch.
End-to-End CPU Casting Workflow
An integrated engineering sequence delivering complete chemical conditioning, precise metering, and controlled curing.
Material Preparation & Vacuum Thin-Film Degassing
Prepolymer and polyol streams undergo continuous heating and are passed through falling-film vacuum chambers to eliminate entrapped micro-air and residual moisture before feeding.
Closed-Loop Precision Dosing
High-accuracy rotary gear pumps drive components through heated supply lines. Coriolis mass flow meters measure mass flow rates continuously to dynamically eliminate ratio drifts.
High-Shear Homogeneous Dynamic Mixing
The component streams meet within a variable-speed dynamic mixing head. Special rotor profiles prevent thermal buildup while achieving thorough physical blending across different viscosities.
Reference Solution Specifications
Typical capability matrix for Haifeng standard CPU casting solutions. Configurations are tailored to match specific resin chemistries, part geometries, and production volumes.
| Parameter | Value / Unit | Applicable Configuration / Conditions |
|---|---|---|
| Component Capacity | 2 to 4 primary streams + color/catalyst | Modular design supporting MDI, TDI, NDI, and additives |
| Flow Output Range | 5.0 to 35.0 kg/min (Custom up to 60 kg/min) | Continuous variable servo speed control |
| Stoichiometric Accuracy | Ratio tolerance within ±0.3% | Closed-loop Coriolis feedback across laminar flows |
| Operating Temperature | Ambient up to 140°C | Multi-zone thermal oil circulating system (±0.5°C) |
| Degassing Pressure | Absolute pressure ≤ 0.08 kPa | Multi-stage falling-film continuous vacuum vessel |
| Fluid Viscosity Handling | 100 to 50,000 mPa·s | Standard pumps; higher viscosity on custom request |
Core Equipment for This Solution
The Haifeng package includes material degassing tanks, metering equipment, dynamic mixing, heated transfer lines and the electrical control system. Mold centrifuges and step-curing ovens are optional. Chemical materials are provided by the selected material supplier; site power and compressed air are customer interfaces.
Engineering Advantages of Haifeng CPU Systems
Designed to solve common processing defects including voiding, ratio drift, and thermal degradation.
Void-Free Component Integrity
Combined high vacuum and high-shear laminar mixing eliminate structural cavities, enhancing part dynamic fatigue and tear strength.
Precise Temperature Uniformity
Full fluid-path thermal oil circulation prevents localized chilling, eliminating resin freezing and crystallization in high-temperature systems.
Flexible Multi-Component Dosing
Dedicated micro-metering valves allow colorants and catalysts to be added directly at the head, enabling rapid hardness changes without flushing lines.
Lower Material Waste
Snuffer cut-off valves combined with automated solvent and air purge cycles minimize chemical loss during shot transitions.
Related Project Draft
Review the project configuration described in the supplied brief. Project records and reported results require verification before public use.
Frequently Asked Questions
Find answers about Industrial Cast Polyurethane Elastomer Solution, including material selection, equipment configuration and the information needed to plan a production line.
How does Haifeng prevent curative crystallization in high-melting systems?
Can the system switch between different polyurethane elastomer hardnesses?
What level of operator training is required for this CPU casting line?
Can this solution integrate with automated mold conveyors or carousels?
Request an Industrial Elastomer Solution Proposal
Share your part drawings, resin chemistry, and output targets to receive an engineering proposal.
