Single Roll Crushers - TerraSource GlobalSingle Roll Crushers. When Accurate Size Reduction of Materials with. Moderate to High Compression Strength Matters! .terrasource □ infoterrasource by the teeth of the revolving roll. Initial breakage occurs from impact. The rotation of the roll guides then guides the material further into the crushing.single roller crusher,Roll Crusher | Lump Breaker | Williams CrusherTypical feed materials for Williams Roll Crushers include: bauxite, cement clinker, chalk, cinders, clay, coal, glass, gypsum, line, burnt lime, rock salt, sandstone, shale, sulfur ore, sea shells, and sewer sludge clinker. Single Roll Crushers, sometimes called lump breakers, can.