| 摘要 |
An unloading grid of a drum mill comprises sectors with working and nonworking surfaces and through holes in the form of a slot, which width on the sector working surface is greater than the slot width on the nonworking surface of a sector, and on the inner surface of holes a lug is made that separates the holes in two parts, each of which has the shape of a truncated cone in the cross section. The depth b of the part of hole from the working side of grating is determined by the ratio. The angle α of inclination of the lateral surface of truncated cone of the part of hole from the working side of grating is within 0° ... 5°. |
