Screw Valve Stator and Rotor are core coupled precision components of positive displacement screw dispensing valves, as well as key moving parts to realize high-precision, pressure-stabilized and quantitative continuous glue dispensing. Relying on the special spiral meshing structure of rotor and stator to form independent closed cavities and push medium through eccentric rotation, they can accurately control glue discharge volume and speed. Widely compatible with single-component and two-component high-viscosity and high-filler precision dispensing equipment, they serve as essential supporting parts to solve industrial problems such as uneven dispensing, metering drift, pressure fluctuation and glue stringing of high-viscosity adhesives.

Screw valve stators and rotors operate under harsh working conditions including high-pressure extrusion, continuous medium scouring, hard filler abrasion and continuous rotational friction, which put forward extremely high requirements for fitting accuracy, material hardness, particle wear resistance, medium swelling resistance and dimensional stability. The rotor of this series of Screw Valve Stator and Rotor is made of precision stainless steel and hard alloy with nitriding hardening treatment, featuring high hardness, accurate coaxiality, wear resistance and non-deformation. The stator is integrally molded with modified wear-resistant rubber, PU and fluororubber composite materials, possessing excellent performance such as high elasticity, swelling resistance, acid and alkali corrosion resistance and anti-curing glue accumulation. After micron-level precision pairing and grinding, the two parts feature uniform meshing clearance and smooth rotation without jamming, maintaining stable volumetric metering accuracy and pressure-stabilized dispensing performance during long-term 24-hour uninterrupted mass production.

With strong medium compatibility, the components are suitable for high-viscosity and high-filler industrial media such as epoxy resin, AB glue, thermal conductive grease, solder paste, sealant, structural adhesive and phosphor glue. They perfectly adapt to complex dispensing processes including precision metering, micro filling, large-area coating and high-pressure potting. Featuring complete specifications compatible with most mainstream domestic and imported screw dispensing valve equipment and support for non-standard precision customization, they effectively eliminate common faults such as unstable glue output, glue trailing, cured glue jamming and pressure relief. They significantly improve dispensing consistency and product yield, and reduce equipment maintenance frequency and consumable replacement costs.

• Positive Displacement Precision Metering & Uniform Dispensing: Adopting the principle of spiral meshing closed cavity with constant volume and stable pushing, it realizes pulse-free dispensing and ensures consistent glue volume for each discharge with higher metering accuracy than conventional dispensing structures.
• High Particle Wear Resistance & Long Service Life: The rotor adopts hard strengthening treatment while the stator uses modified wear-resistant materials, resisting scouring and wear of glue with hard fillers. The fitting clearance remains unchanged after long-term operation, effectively extending service life.
• Medium Swelling Resistance & Wide Compatibility: The stator material resists glue corrosion and solvent swelling without residual glue adhesion, adapting to various industrial adhesives with different viscosity and curing characteristics with strong working condition adaptability.
• High-pressure Stabilized Conveying & Stable Operation: Excellent meshing and sealing performance prevents pressure relief and glue leakage under high-pressure conditions. The constant discharge pressure eliminates defective problems such as jet divergence, uneven coating thickness and insufficient potting glue.
• Low Friction & Anti-jamming with High Continuity: Precision paired and grinding process ensures uniform rotational damping without jamming or abnormal noise. It adapts to high-speed continuous assembly line mass production with sensitive start-stop response and clean glue cutoff without stringing or trailing.
• Quality Improvement & Cost Reduction: Effectively solve defective dispensing and valve jamming problems of high-viscosity adhesives, reduce glue waste and workpiece scrap rate, and lower comprehensive costs of equipment cleaning, maintenance and consumable replacement.

Screw Valve Stator and Rotor focus on high-viscosity, high-filler, high-pressure and high-precision positive displacement metering dispensing scenarios. They are widely used in high-end precision manufacturing industries including semiconductor packaging, 3C electronics, optoelectronic displays, automotive electronics, new energy, intelligent manufacturing and medical devices, serving as indispensable core accessories for automated high-viscosity dispensing production lines. The specific application fields are as follows:

• Semiconductor Industry: Chip underfill, IC component potting, pin insulation packaging, semiconductor module structural adhesive bonding and high-viscosity protective coating processes.
• 3C Electronics Industry: Bonding of mobile phone precision components, PCB protective potting, thermal conductive grease filling for components, lens sealant coating and fixing dispensing of micro structural parts.
• Optoelectronic Display Industry: Display module border sealing, backlight component filling, optical device fixing and high-viscosity glue coating protection for sensors.
• Automotive Electronics Industry: Potting of vehicle electronic control modules, sealing of automotive sensors, protective coating of wire harness terminals and structural adhesive bonding of vehicle accessories.
• New Energy Industry: EV battery cell fixing, thermal conductive glue filling, battery module sealing and potting, protective bonding of energy storage components and precision dispensing of photovoltaic accessories.
• Precision Medical Industry: Bonding of medical micro-components, sealing of minimally invasive instruments, high-cleanliness sterile glue coating and precision packaging scenarios for medical accessories.
• High-end Intelligent Manufacturing Industry: High-precision positive displacement dispensing processes such as high-viscosity structural adhesive coating, filled functional glue filling, micro precision potting and uniform film coating.