Conveyor systems assist in moving, or conveying, items such as packages, equipment, food, or products from one area to another, usually for the purpose of performing automated or semi-automated finishing or manufacturing processes. There is a large market for conveyor systems, as they are available in a wide range of configurations, are customizable, and are utilized by a multitude of businesses around the world.

Conveyor systems can be a combination of multiple types of conveyors. The most common type of conveyor are belt conveyors. Other common types include chain conveyors, roller conveyors, spiral conveyors, overhead conveyors, and vertical conveyors. A combination of different conveyor types is known as a conveyor system.

Most types of conveyors are motor-powered, but there are some types known as gravity conveyors. Ball transfer and chute conveyors fall under this category. Pneumatic conveyors are tubular, air-powered conveyors that primarily transfer bulk powder solid materials. In almost every industry, package handlers and manufacturers utilize conveyors and conveyor systems to transport packages, parts, and products and aid in various processes. Read More…

Leading Manufacturers

Conveyor Engineering & Mfg. Co.

Cedar Rapids, IA | 800-452-4027

VAC-U-MAX

Belleville, NJ | 800-822-8629

WAM Inc.

Lawrenceville, GA | 770-339-6767

Ryson International, Inc.

Yorktown, VA | 757-898-1530

Hapman

Kalamazoo, MI | 800-427-6260


Industrial screw conveyors are commonly found in bulk handling applications; however, they can also be found in the farming and agriculture industries as part of machinery, such as balers or threshers, that assist in transporting grains and animal feed to various locations. The food processing industry also makes use of these conveyors, utilizing them to transport dry ingredients—such as nuts, salt, and flour—that are used in making food products. Industrial screw conveyors are manufactured using food grade stainless steel, which is non-contaminating and possesses a smooth finish.

The construction industry uses industrial screw conveyors to mix wet and dry ingredients to produce plaster or cement. There are some situations where screw conveyors are a better choice than other conveyor systems in terms of performance. However, since the operation of the system involves a screw cutting through the materials, substances that are sticky or do not break down easily such as gels are not recommended to process. Screw conveyors are instead used to transport free-flowing and non-free-flowing, dry and semi-dry bulk materials.

There are three different orientations of screw conveyors: horizontal, vertical, and inclined. Horizontal screw conveyors transport materials in a linear direction parallel to the ground, and thus only requires a trough. Vertical conveyors carry materials straight up and down. Thus, they require tubular cases to hold the materials. Vertical conveyors are used when materials need to be moved between receptacles that greatly differ in height.

Vertical conveyors are lower maintenance than bucket elevators, and they are able to provide constant conveying. Finally, inclined conveyors are set at an angle. Although these conveyors require more space and power than its counterparts, they are able to economically move bulk material from one floor to another. Some of these conveyors are portable, and can be easily mounted vehicles, carts, or stands. Flexible screw conveyors are capable of bending in numerous directions and adjusting their angles. This increases the conveyors range of uses, as opposed to other types of conveyors which are made of steel and must remain stationary.

These conveyors are able to transport dry, loose materials between places such as pits, trucks, barrels, rail cars, silos, hoppers, and vats. They can either be powered by an electric motor, or powered by energy from adjacent machines. Standard screw conveyors are typically made of metal, but some varieties are made from injection-molded thermoplastic resin. Conveyors made from the latter material are highly resistant to high temperatures and impacts, and avoid contaminating the materials they handle.

In choosing a screw conveyor, one must consider the application, the type of material, the material’s consistency, and whether there are any other necessary processes for the conveyor to perform. Screw conveyors can be found in a wide range of industries and applications, such as construction, oil and gas, mining, chemical, pharmaceutical, plastic, processing, food and beverage, and agricultural. Screw conveyors are a wise choice for multiple applications due to their ability to gently handle and mix different materials. Some of these materials include lead oxide, whey, fiberglass, vitamins, Epsom salts, garlic powder, flour, cocoa beans, ferric sulfate, gypsum, caffeine powder, and carbon black.

Screw Conveyor Informational Video