新型的清砂滚筒除了具有一般清砂滚筒的作用外,还具有打断铸钢件浇冒口的作用。一、工作原理利用滚筒内部专门的凸块,使铸件上升到一定高度后就脱离凸块的约束,按抛物线自由落入滚筒底面。借由此而产生的冲击力来打断浇冒口。假使滚筒转速进大,则铸件就紧贴着滚筒一起转动,不会产生冲击作用。铸件最大的落下高度,既要考虑提高铸件脱离滚筒表面之点,又要兼顾到铸件着落处应接近圆周最低点 In addition to the new sand-cleaning roller with the role of the general sand roller, but also has the role of interrupting the cast steel riser. First, the working principle The use of specialized internal drum bumps, the casting rose to a certain height after the bump from the constraints, according to the parabolic free falling into the drum bottom. With this resulting impact to interrupt the riser. If the drum speed into the large, then the castings close together with the drum rotation, will not have a shock effect. Casting the largest drop height, it is necessary to consider increasing the casting surface from the drum point, but also take into account the casting should be located near the lowest landing point