Wear-resistant Volumetrically accurate Eccentric Stator and Rotor for Eccentric Auger valve
The eccentric stator and rotor set used in eccentric screw valves is the core component enabling accurate, pulse-free dispensing of high-viscosity fluids. This assembly consists of a helical metal rotor rotating inside an elastomeric stator with a double-helix inner cavity. The rotor’s eccentric motion creates continuously sealed cavities that move material smoothly and uniformly. This progressive cavity design minimizes pulsation, ensures volumetric accuracy, and delivers low-shear, stable flow—ideal for shear-sensitive adhesives, pastes, and filled materials. The eccentric rotor-stator mechanism also offers excellent wear resistance and supports reverse flow for precise anti-drip control. It is essential in applications requiring consistent and repeatable dispensing, such as automotive electronics, LED assembly, and power device potting.
Core Advantages
- Eccentric structure: The rotor and stator are not coaxial, thus forming a closed conveying chamber inside the stator to achieve push-type conveying;
- Sealed cavity transmission: With each rotation, the colloid is continuously pushed out with the same volume to ensure stable and pulsation-free glue output;
- Strong self-sealing ability: Suitable for medium and high viscosity glues, such as silicone, epoxy resin, PU glue, etc.;
- Low shear: Especially friendly to thixotropic and shear-sensitive glues;
- Suction back ability: The suction back structure can be configured to effectively prevent dripping;
- High quantitative accuracy: The dispensing volume can be accurately controlled by controlling the rotation speed and angle.
About Mingseal
Founded in 2008, Changzhou Mingseal Robot Technology Co., Ltd. is a technology-driven manufacturer of high-end equipment, specializing in connection, assembly, inspection systems, and key components for advanced semiconductor packaging and precision electronics. Our solutions are widely adopted by leading customers in sectors such as semiconductor packaging, consumer electronics, and automotive electronics. With a strong presence across Asia and the Americas, we deliver reliable support and innovation globally.
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Wear Resistant Eccentric Stator Eccentric Rotor Volumetrically Accurate For Valve Images
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