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Twin Screw Extrusion Granulation Line – Underwater Granulation Series MMS-433B-25
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A twin-screw extrusion pelletizing line is an industrial production equipment used to process molten materials such as plastics, rubber, and chemical substances into granular products through extrusion. It is also referred to as a twin-screw extrusion pelletizing machine or a twin-screw pelletizing extrusion production line.

The key advantage of this equipment lies in its ability to uniformly mix, melt, and extrude materials, forming granules with specific shapes and sizes using molds. Thanks to the design of the twin screws, it is particularly effective in handling materials with higher viscosity and elevated filler content that pose challenges in processing.

Furthermore, the operation of the twin-screw extrusion pelletizing line is notably stable, resulting in higher production yields that can meet the demands of industrial production.

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Feature

  • Used for thermoplastic elastomers, hot melt adhesives, and blend-modified materials.
  • Comprises twin-screw extruder, die head, pelletizing head, water circulation system, and dehydration.
  • Pellets exhibit a smooth and uniform surface, high density, good flowability, and minimal agglomeration.
  • Enclosed cyclic process piping shortens solidification time, ensuring a clean and environmentally friendly operation.

Specification

ModelMMS-433-25MMS-433-35
Control systemPLC controlPLC control
Capacity1-10kg/h(decide by formula)About 30kg/h(decide by formula)
FeederTwin screw quantitative feeding or customizedTwin screw quantitative feeding or customized
Screw diameter21.7mm (or customized)35mm (or customized)
L/D40:140:1-48:1
rpm Screw speed0-300rpm0-500rpm
Motor4KW18.5KW
Cooling deviceAir/water cooling (optional)Air/water cooling (optional)
Cutting deviceWater strips/underwater cutting/hot cuttingWater strips/underwater cutting/hot cutting
Screen changerManual screen changerManual screen changer
Power12KW25KW
Volume (W×D×H)4000×550×1600mm6800×960×1940mm
Weight580kg1900kg
Power Supply3Ø, AC380V3Ø, AC380V

Industry Application

The application scenarios of twin-screw extrusion pelletizing machines are diverse across various

Plastic Processing: Twin-screw extrusion pelletizing machines find extensive use in processing various types of plastic pellets into granules for the production of plastic products such as films, pipes, profiles, and injection-molded items.

Rubber Products: These machines are also employed in rubber material processing, contributing to the creation of rubber products like seals, rubber hoses, and rubber sheets.

Composite Materials: Within the realm of composite material manufacturing, twin-screw extrusion pelletizing machines play a role in blending different materials and processing them into granular composite materials, which are pivotal in producing high-performance composite products.

Particle-Reinforced Materials: These machines are utilized to produce particle-reinforced plastic materials, where additives such as glass fibers or carbon fibers are integrated to enhance the mechanical properties of the material.

Filler Materials: Twin-screw extrusion pelletizing machines are employed to fabricate filler materials by blending additives (e.g., wood flour, fibers, mineral fillers) with base plastics, resulting in granular products suitable for manufacturing cost-effective, high-fill-ratio items.

Particle Pigments: In the field of coloring and dyeing, these machines can manufacture granular pigments that are utilized for coloring plastic products.

Recycled Plastics: Twin-screw extrusion pelletizing machines can be used for processing recycled plastics, transforming waste plastics into reusable new plastic pellets.

Chemical Industry: These machines also find applications in processing chemical materials, contributing to the production of various granular chemical products.

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