ROTARY CUTTER AND TWO-SHAFT ROTARY CRUSHER

To provide a rotary cutter which can effectively crush bale products and pressed mass products.SOLUTION: A rotary cutter, which is attached to a rotatable rotary shaft and crushes a processed product between itself and a stationery cutter, comprises: a stem fixed to the rotary shaft; and a cutting part which extending to a radial direction outer side from the stem. The cutting part comprises: a first cutting part which is attached to at least a front side of the stem in a rotation direction; and a second cutting part which is attached to a front side of the first cutting part in the rotation direction, and has a length shorter than a length of the first cutting part in a direction along the rotary shaft. The second cutting part has a cut surface orthogonal to the rotary shaft, of which a cross-sectional shape is formed into a mountain shape that is convex in the rotation direction.SELECTED DRAWING: Figure 4 【課題】ベール品や塊状のプレス品を効果的に破砕できる回転刃を提供する。【解決手段】回転可能な回転軸に取り付けられ、固定刃との間で被処理物を破砕する回転刃であって、前記回転軸に固定される基部と、前記基部から径方向外側へ延在する刃部とを備え、前記刃部は、前記基部のうち少なくとも回転方向の前面側に取付けられる第１刃部と、前記第１刃部のうち前記回転方向の前面側に取付けられ、前記第１刃部の前記回転軸に沿う方向の長さよりも短い長さの第２刃部を備え、前記第２刃部は、前記回転軸に直交する切断面における断面形状が回転方向に凸となる山型に形成されている。【選択図】図４