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Glossary
Plastic Industry Terms

Volumetric Feeder: What It Is and Its Function

The volumetric feeder is a device used in extrusion processes and industrial production to feed materials, such as polymers or additives, in a precise and consistent manner. The primary function of the volumetric feeder is to measure and regulate the volume of material supplied to the extruder, ensuring that the introduced material quantity remains uniform.

How Does the Volumetric Feeder Work?

The volumetric feeder operates based on a fixed volume of material displaced per unit of time. The device typically consists of a feed hopper from which the material flows toward a rotating screw or auger conveyor. The rotation speed of the screw determines the quantity of material dosed and fed into the extruder. It does not measure the material's weight but regulates the flow based on volume, making it suitable for materials with uniform density.

Main Functions of the Volumetric Feeder:

  • Flow Control: Maintains a constant flow of material into the extruder, optimizing production.
  • Process Uniformity: Ensures the quantity of material introduced remains consistent, improving the quality of the finished product.
  • Operational Simplicity: Easy to set up and adjust, allowing quick configuration in production processes.

When Is a Volumetric Feeder Used?

The volumetric feeder is employed in many industrial applications, especially for feeding materials with consistent density. Examples include:

  • Granule Production: In the extrusion processes of raw plastic materials.
  • Additives and Pigments: To dose colorants or other additives into plastic material.
  • Feeding Recycled Materials: In plastic recycling processes, to evenly dose shredded or regenerated materials.

How Does Bausano Work with Volumetric Feeders?

Bausano integrates advanced volumetric feeders into its extrusion lines to ensure precise and consistent material feeding. Our feeders are designed to work in synergy with our extruders, optimizing material flow and improving the overall quality of the final product. With Bausano, precision and efficiency are central to every production process, providing tailored solutions for the specific needs of our customers.

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