The precision feed screws are a component of certain types of industrial machinery that are designed to move, or feed, materials through a tube. Typically, a feed screw is a metal cylinder with an inclined plane wound around its outside, resembling a long screw or auger. The feed screw is then placed in a tube wherein various materials flow from a hopper or chute. As the material from the hopper flows into the tube, the feed screw rotates, pushing the material along the length of the tube to where it will be used. Feed screws are commonly used in the plastics and food production industries to move, mix, and extrude product. Ever Hardware provides custom-made precision feed screws and customizable packaging.

In the plastics industry, feed screws are the hearts of the extruders used in blow molding, injection molding, sheet extrusion, and profile extrusion. In these cases, the tube that surrounds the screw is heated to the point that it will melt the plastic resin. As the screw moves the material down the tube, called a barrel, the material is melted and mixed together. At some point along the screw, the pitch of the threads changes, allowing less space for the material to flow and causing the material to build up pressure. Once the material reaches the end of the screw, it is extruded either through a die, forming the melted plastic resin into the desired shape or profile, or into a mold where it is cooled into the desired shape.

In the food industry, feed screws are used essentially the same as in the plastics industry. The primary difference is that instead of melting the material, the food is cooked as it passes along the feed screw and formed into the desired shape at the end. Instead of applying direct heat, some types of food processing equipment use the feed screw to build up the pressure, which generates the heat needed to cook the food product.

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Category Precision Feed Screws
Finish Electro-Plating
Thread type Metric/Imperial/According to Request
Material Stainless Steel/Carbon Steel/Aluminum/Brass/Copper, etc.
Brand Ever Hardware
Place of origin China Mainland
Size Customized as required
Precision Feed Screws Feedscrews Barrels Screw Tips Assembly Feeders

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What Client’s Say

Those look great! All the specs look perfect.
Kent De Mond
Perfect ! This is that I need.
Hernán Balboa
Thank you very much.
The bolts are perfect and they’re fits good.
Ashley
The nut fits perfect on our M2.5 screw part.
Height is also ok.
Mirjam
I tested the bolts this morning and they are perfect. Thank you so much.
Bill McDonald

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