Hammer Crusher | Industrial machine | Business | FURUKAWA .The hammer crusher crushes the feed by impact of hammers which are fitted to a rotor shaft. The hammer are bars or strips of plates. Having a high crushing ratio, this crusher is capable of crushing lumps whose size is tens of millimeters to several millimeters info a product 1 mm or less in diameter. Hammer Crusher.detail of hammer crusher,detail of hammer crusher,Hammermill - WikipediaA hammermill is a mill whose purpose is to shred or crush aggregate material into smaller pieces by the repeated blows of little hammers. These machines have many sorts of applications in many industries, including: Ethanol plants (grains); A farm machine, which mills grain into coarse flour to be fed to livestock · Fluff pulp.