Apron Feeders

Overview

Osborn apron feeders accurately control the feed rate to prevent surge loads to the primary crusher or other processing equipment. 

These feeders feature a rugged, heavy-duty construction and are designed to handle feed sizes of up to 60” (1,500 mm) where no fines removal is required or where fines are removed by a separate vibrating grizzly. The apron feeder is built to withstand wet, sticky or clay-like material and handle it with ease. These feeders can be installed in a horizontal position or inclined up to 15-degrees. 

Applications

  • Aggregates

    There are two main classes of aggregates: natural and manufactured. Deleterious material needs to be removed from both classes of aggregates. Processing these materials typically requires various steps including reduction and sizing and also may include dewatering and sorting. Producers can use a variety of crushing, screening, dewatering and conveying equipment to meet their desired specifications.
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    • Construction Aggregates

      Construction aggregate is typically medium or coarse material that is used in construction applications. Processing this material may include reducing its size with a crusher, sizing the crushed material with a screen and conveying the material into different stockpiles.
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      • Pioneer® jaw crusher in concrete recycling application

        Crushed Stone

        Crushed stone is a versatile product that can be used in a wide range of applications from construction to road building and even agriculture. Processing this material may include reducing its size with a crusher, sizing the crushed material with a screen and conveying the material into different stockpiles. 
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        • Sand & Gravel

          Sand and gravel are aggregates that are gathered from naturally occurring deposits. These aggregates, when gathered, may contain clays, silts and other deleterious material that needs to be processed out for commercial-grade products. Reduction and sizing can be accomplished with a variety of crushers and screens. Once the material is accurately processed, it can be used for road building, construction materials and a variety of other applications. 
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          • Surface

            Surface mining involves removing soil and bedrock to reach resource deposits. The most common types of surface mining are strip mining and open-pit mining. 
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          Key Specifications

          All specifications subject to change without notice.

          Features

          • Apron Feeder Construction

            • Structural steel fabrication on frame
            • Heavy-duty head and tail shafts with spherical roller bearings 
            • Bolt-on, segmented drive sockets made from wear-resistant alloy steel 
            • Cast steel flights

          • Apron Feeder Drive

            • Drive can be electromechanical or hydraulic 

          • Apron Feeder Operation

            • Primary feeder 
            • Maximum feed size up to 60 in/1500mm
            • Widths up to 11.5 ft/3500mm 
            • Lengths up to 60 ft/19,000mm
            • Capacities up to 5,000 TPH

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