HOT SHEARS FOR ROLLED PRODUCTS OF ROUND AND SQUARE CROSS SECTION Russian patent published in 1994 - IPC

FIELD: mechanical engineering; metallurgy. SUBSTANCE: frame shaped knife holders 2, 3 provided with knives 4-7 are mounted within housing 1. The knives are rigidly kinematically connected with the double-throw crankshaft and throws 8, 9 via connecting rods 10 and 11. Knives 4 and 5 are connected with throw 8, and knives 6 and 7 - with throw 9. The shears have also roller conveyor 12, plates 13, and stop member 14 designed to fix the length of the cut part of billet 15. The size of the main shaft throw is dependant of the billet thickness and may be determined by the formula presented in the description. EFFECT: reduced quantity of waste material.