What is a barrel screw?

Feb 04,2024

A barrel screw typically refers to a component used in various machinery, particularly in manufacturing processes like injection molding or extrusion. In injection molding machines, for instance, the barrel screw is a crucial part of the equipment. It's a long, cylindrical metal rod with a helical thread (like a screw) along its length. The barrel screw is responsible for melting and mixing the raw material, like plastic pellets or resin, and then injecting the molten material into a mold cavity to form the desired product shape.

The design of the barrel screw is essential for controlling factors like temperature, pressure, and material flow within the machine to ensure the quality and consistency of the molded products. It's a fundamental component in the functioning of such machinery.


Single Screw

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