More details contact us at seven@sinolingheng.com Whatsapp: +86 15637169509 Box Crusher is for Crushing medium-hard or brittle materials, big material, such as coal, cement, gypsum, alumen, brick, tile, limestone, glass etc. Max feeding size: 1400 mm Output size: 0-20 mm Capacity: 50-400 t/h Box crusher working principle: 1. Heavy hammer crusher hammers do high-speed circular motion along with rotors driven by motor. 2. After fed material into the crusher, large material are stacking on the shelf which is particular to heavy hammer crusher. 3. Raw materials are smashed into smaller pieces by hammers. Right following in the first crushing, unqualified pieces hit against the impact plate with new fed material at a tangent to circular motion of hammers. 4. So once for all, material undergo two steps of crushing, from coarse to medium size then to qualified small size. 5. Finished product are sieved through screen and discharg...