Hammer mills: hammermills Feed Mill Machinery Glossary ...
For a rotor speed of about 3,600 rpm, hammers should be 15 to 20 cm (~ 68 inches long, 5 cm (~ 2 inches) wide, and mm ( inches) thick. The number of hammers used for a hammer mill of 1,800 rpm, should be 1 for every to horsepower, and for 3,600 rpm, one for every 1 to 2 horsepower.