HOW TO CHOOSE THE RIGHT
SCREW FEEDER? A SCREW FEEDER IS A PIECE OF MACHINERY THAT FEEDS BULK MATERIAL FROM ONE PROCESS TO THE NEXT IT'S ESSENTIAL TO ASSESS YOUR MATERIALS AND WORK WITH A PROFICIENT SCREW CONVEYOR SYSTEM. FOUR MATERIAL PROPERTIES ARE LISTED BELOW THAT CAN CAUSE PROBLEMS AT THE FEEDER AND SHOULD BE CONSIDERED.
AERATABLE
01
Fibrous materials include carpet fibers, fiberglass, and wood husks. Lightweight and made up of long fibers, they frequently entangle and can be damaged due to this factor. A screw feeder with a large gap between the tube and the screw, a slower spin, and a rotating flow blade would be ideal.
ABRASIVE
It includes glass microspheres and talc powder, and the aerated liquids have the potential to produce hazardous gas clouds. They can catch fire, represent a health risk if inhaled and generally litter the factory when sparked. The screw feeder with a center rod and tight seals at points in the process including at the hopper, conveyance system, and the feeder, is ideal.
03
An asymmetrical mass-flow hopper will help discourage materials that are cohesive stick together and clumping, leading to rat-holing. The hopper shouldn’t have ledges or protrusions to which the material can stick, but should be completely smooth. A slow-spinning agitator, as well as external paddles, will also help keep clumps from forming.
02
FIBROUS
Abrasive materials including harsh chemicals have the potential to prematurely wear or damage your feeder if the wrong lining material is used. A screw feeder with a bolt-in liner made of polyethylene, carbide, or steel will be the best choice. To ensure that neither the liner nor the substance being metered is harmed, it's critical to evaluate the abrasion resistance and hardness of the liner.
04
COHESIVE
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