The job of a hammer mill is to shred or crush material into smaller pieces by the repeated blows of small hammers mounted on a vertical or horizontally rotating shaft.
The material is passed through the chamber of the hammer mill and once the desired size is reached, it exits through a sizing screen. Hammer mills can come with or without screens, which separate particle sizes.
Hammer mills are used in a variety of industries and applications:
- Ethanol production (breaking down of grains)
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- Size reduction of trim scrap and planer shavings into boiler fuel or mulch at sawmills
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- Shredding paper and municipal waste
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- Shredding scrap automobiles
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- Milling of feed for farm animals
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- Shredding yard and garden waste for composting
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