DISC SHEARS Russian patent published in 2004 - IPC

FIELD: plastic metal working, namely aggregates for cutting metal by strips. SUBSTANCE: disc shears have two shafts supporting disc type cutters. Spacing inserts of different length values are mounted on shafts between disc cutters. Upper shaft supports at least one disc cutter; lower shafts supports at least two disc cutters. Disc cutter mounted on upper shaft is placed between two disc cutters of lower shaft at lateral gap between them and at overlapping between cutters. In description of invention expressions are given for calculating lateral gaps and overlapping values between cutters in depending upon thickness of cut strip. EFFECT: elimination of strip planeness distortion, prevention of jamming of adjacent turns of coil on coiler drum, enhanced shape of strip coils at slitting metal. 2 dwg, 2 ex