Screen drum frame, sieve drum and method for assembling a screen drum trough

摘要

The invention relates to a screen drum frame (10) comprising a left outer ring (16), a right outer ring (17), a plurality of longitudinal ribs (18) and a plurality of transverse ribs (19), the longitudinal ribs (18) extending continuously from the left outer ring (16) extend to the right outer ring (17), wherein the longitudinal ribs (18) are formed as U-profiles, wherein the longitudinal ribs (18) with the outer rings (16, 17) by connecting means (20) are connected and wherein each transverse rib (19) connects with its two ends (21, 22) in each case two longitudinal ribs (18) and are connected thereto by connecting means (20).