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hammer mill vs a burr mill

C

Charlie M

Well-known Member
I own a hammer mill so I know how they work but what is different with a burr mill. Is there an advantage to a burr mill - I've never seen one.
 
A hammer mill can be used to grind hay, can"t imagine that with a burr mill. I think a hammer mill handles ear corn easier as well.
 
Is a burr mill and a roller mill the same thing?Never heard of a burr mill before now.A roller mill has two rollers that in my experience usually just snap the grain in two.It does a courser job than a hammer mill on grain.The advantages are with dairy cattle,with a rougher feed texture,you can get higher butterfat from your cows,also takes alot less power/fuel to roll compared to hammering.If that's not the same as a burr mill,I am in the same boat as you lol.
 
A burr mill has 2 flat plates , one stationary that the grain is fed thru between and like teeth on that do the grinding. The plates or burrs lay flat and depending on number of burrs (teeth) how fine the grind.
 
you wouldn't use a burr mill with corn on the cob at all. the ones i've seen have a screw like shaft in them that rolls the corn in one end and gets progressively smaller towards the outlet end.
 
A burr mill, as I recall is as described inthe other post. 2 plates with burrs. IF you run them close enough it'll make flour. I also don't recall them being very high capacity. We have an old (mabey I should say ancient) one that is belt driven.
As bad as hammer mills are for making dust and flour, the burr mill would be worse...
I don't know if there's a more modern version out there than what we have, but this one will rest in peace.
Roller mills are preferable to the hammer mill too.

Rod
 
Many burr mills have a crusher for ear corn before it goes to the burrs. We ground all the feed for our dairy and my 4H steers when I was a kid. I still have it.
 
Heard them called "roller mills" around here. They have superior capacity per HP. When used to coarse crack grains compared to a hammer mill.
 
A burr mill uses two plates to grind your meal or feed. I would say that most of them use cast iron burrs, but I would suspect that there are a few around with stone burrs. The ones with the stone burrs would be more likely intended to be used for cornmeal and flour production. If they have a cob-buster they will grind ear corn quite well, it's just getting the pieces small enough to get between the burrs to be ground. I can"t imagine there being an upside to them. The mill would have to have a big set of burrs (probably 48 to 56 inches) to keep up with the output of a modern grinder mixer (hammer mill), but were talking gristmill sized burrs there, I doubt you would find anything that big on a farm, that was intended for grinding feed.
 
I did miss the point there.
The burr mill and roller mill are certainly different. However they are much closer related to each other than either to the hammer mill.
 
We had a Letz burr mill with an elevator and twin bagger. It worked great on shelled corn but also did well on cob corn. I ran it with a C Allis tractor. I have a JD hammer mill that I run with a Farmall H. I've only ground shelled corn with the screen out. With the screen in it was making flour. The hammer mill is A LOT louder and dustier, but also faster. The Burr Mill is quieter and doesn't blow dust all over hell.
 
must have been used just for livestock feed then. you woudn't want to grind the cobb up for cooking meal, i wouldn't think. thanks for info.
 
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