A hammer mill has a flywheel with hammers bolted to it. It runs at a little over 3000 RPMs. Anything that gets in the way of that mass of whirling hammers gets ground up real quick. The material flies through a screen. Material that is too big to go through the screen stays in there and gets beat around u til it is small enough to go through the screen. This all happens in a fraction of a second. This is also why a hammer mill creates more dust and needs a dust collector to separate the dust from the exhausting air. A true simple hammer mill will have a separate fan that sucks the ground material out from under the screen and blows it into a cyclone or dust collector where the material drops out a chute and into a wagon or bags. A more elaborate hammer mill has an auger that augers the feed away from under the screen. So there is less dust involved. I have never used a bur mill but I would think a bur mill would be better for grinding ear corn into cattle feed. Cattle dont like fine powder in their feed.
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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