| 摘要 |
A device for crushing building materials has a frame with a hollow cylinder, a casing, an external ring set with a gap to the inner ring located on a disk with blades, which is rigidly fastened on a shaft. The body is made with possibility of free movement on the cylinder through a flange made in the body wall, in which adjustment screws are installed to change size of the gap between the inner and outer ring made with a groove with a length of at least 10 % of the perimeter of ring. |
