PRAB Tramp Metal Separators serve as a key component in any chip processing system. These separators remove bar-ends, broken tooling and other solids from chip flow, to protect scrap metal equipment from damage. PRAB’s full-line of tramp metal separators include five unique models that are engineered to perform at different levels, to efficiently handle the variety of metal chips and turnings produced by today’s high-speed metalworking industry.
The Model “G” Separator (shown at right) is feeding a PRAB Vertical Axis Crusher (VAC II). This is a “moderate volume” separator which includes a self-contained ducted air recirculation system to minimize oil misting. Chips and turnings are typically dropped into the hopper inlet by an external conveyor.
Designed for “higher volumes”, including nested wads of scrap material, the Model “O” Separator (shown at right) includes an oscillating conveyor as a metering component. It is used to effectively spread the material across the width of the oscillating deck, prior to entering the air classifier section. It is shown feeding a PRAB Vertical Axis Crusher (VAC II) which reduces metal scrap into shovel grade chips. The separator also features a ducted air recirculation system to minimize oil mists.
The Model “R” Separator is designed for use with flowable wet chips and is used in conjunction with a PRAB Diagonal Shaft Wringer, as shown in the illustration. Chips are fed into the inlet by an elevating conveyor. A rotary style air lock meters the chips into a continuous air blast where separation of the metal chips from heavier solids takes place.
Note: These drawings indicate the general operation, size and configuration of the PRAB air classifier parts separators. The actual configuration, operating capacity and dimensions will reflect the type of materials being processed and other equipment required downstream in the system.
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