As a precision auxiliary device in polymer material R&D, the laboratory small melt pump is specifically designed for small-batch melt transfer, steady-state pressure control, and precise flow metering. Its core function lies in achieving high-precision regulation of melt flow parameters, providing essential assurance for the repeatability and reliability of experimental data. This empowers researchers to efficiently conduct studies on polymer material properties and processing techniques.
Core Functions and Technical Advantages
Precise Flow Control and Pressure Stabilization: Employing a gear-meshing volumetric delivery principle, it effectively stabilizes melt pressure between the extruder and experimental molds. This significantly reduces pressure fluctuations, mitigates experimental errors caused by fluid instability, and ensures consistency and repeatability across multiple parallel experiments. It provides reliable data support for process parameter optimization.
High-Precision Flow Measurement: Flow control accuracy reaches ±0.5%, enabling precise quantification of melt delivery volume. Compatible with rheological testing equipment, it empowers researchers to systematically study material rheological behavior under varying process parameters—including temperature, pressure, and rotational speed—accurately capturing melt flow characteristics.
Efficient Pressure-Boosted Delivery: Features stable pressure-boosting capability compatible with small experimental molds, precision forming devices, and micro-scale forming systems. Meets forming demands for micro/nano-scale products and specialized structural specimens, expanding the application scope of laboratory forming experiments.
Compact Integrated Design: Features a compact structural design with a small footprint, flexibly adapting to limited laboratory installation spaces. Optimized equipment interfaces and operational workflows ensure easy installation and straightforward debugging, lowering the operational threshold for researchers and enhancing experimental efficiency.
Typical Application Scenarios
Polymer Extrusion Molding Simulation: Simulates industrial extrusion processes with precise control over melt delivery parameters. Validates the feasibility of various process combinations (temperature, pressure, rotational speed, etc.), providing pre-production experimental support for industrial manufacturing.
Melt Characteristics Testing for New Materials: When integrated with melt indexers, rheometers, and similar equipment, it enables systematic investigation of core performance metrics—such as melt flow characteristics and viscosity variation patterns—of novel polymer materials under varying process parameters through precise flow control and metering.
Formulation and Process Optimization: Ensures stable, uniform melt delivery, guaranteeing consistent material composition and transport state across experimental batches. This significantly shortens formulation screening cycles, enabling researchers to rapidly identify optimal formulation and process parameter combinations.
Standard Small Specimen Preparation: Used to prepare standard test specimens such as tensile bars, impact bars, and flex bars. Precise pressure-stabilized flow control strictly maintains specimen dimensional accuracy and uniformity, ensuring the reliability of subsequent mechanical property test data.
Equipment Performance Testing and Educational Demonstration: Evaluates operational stability and compatibility of small extruders, experimental dies, melt sensors, and similar equipment. Also supports polymer science teaching experiments in universities and research institutions, visually demonstrating core principles of melt conveying and pressure control to bridge theory and practice.
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