Conical Twin-Screw Feeder

The conical twin-screw feeder prevents slipping, accumulation, and blockages in tough materials like high-filled powders, fiberglass compounds, PE/PP granules, and mineral fillers. It features an anti-bridging feed hopper, precise speed control, and works with single- or twin-screw extruders for various industrial uses.

COWIN’s conical twin screw feeding system is available with motor power ranging from 1.1 kW to 90 kW, meeting demands from laboratory R&D to ultra-large-scale production. By integrating diverse material processing technologies, COWIN provides a full range of solutions and customizes various twin-cone feeding and extrusion systems for customers.

Applications: Used for the post-processing of materials from internal mixers, kneaders, open mills, and other equipment. Widely applied in fields such as highfilling masterbatch, low-smoke zero-halogen (LSZH) cable materials, shielded cable materials, carbon black masterbatch, various rubber materials, and BMC materials.

Conical Twin-Screw Feeder

Conical Twin Screw Feeding System

  1. Application: The Conical Twin-Screw feeder uses twin conical screws to force material flow, preventing slipping, accumulation, or blockages in traditional single-screw feeders. Ideal for poor-flow, caking-prone materials (e.g., high-filled powders, fiberglass-reinforced compounds). Handles PE/PP granules, calcium carbonate/talcum powders, glass/carbon fibers, and composites for diverse processes.
  2. Feed Hopper- Used to load materials to be conveyed, often equipped with stirring devices or vibrators to prevent material bridging (caking and accumulation).
  3. Core components: Transmission(Motors, reducers, couplings drive screws and control feed speed)Conical Twin-Screws, Barrel, Feed Hopper, Discharge Port, Control System (Sensors and controllers monitor/adjust speed/temp)
  4. The conical twin screw feeder can be connected to a single – screw extruder or a twin – screw extruder at the outlet, which are two different connection methods.

connect with single screw extruderconnect with twin screw extruder

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