Structure and working principle 1. The machine consists of upper shell, lower shell, discharge port, feed hopper, angle steel frame, hammer, cutter, etc. become 2. When crushing, the thickness of the crushed material is controlled by the size of the mesh, and different meshes can be replaced. 3. When shredding grass alone, the screen can be pulled out. welcome to consult:00254797570337 Or you can leave your whatsapp then our sales manager will contact you directly.