product description
The extruder screw barrel is a hollow cylinder that surrounds a screw and is a key component in plastic processing machines and food processing. The barrel's purpose is to maintain the temperature and flowability of the material while the screw melts, mixes, and blends raw materials into the desired product.
The barrel of an extruder is a hollow chamber in which the screw (or screws) operates (See Figure 1.). If one screw is used the barrel has a cylindrical cross-section: if two screws are used, the barrel has a figure eight (8) crosssection.
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