WIRE ROPE MANUFACTURE METHOD
FIELD: rope production, in particular, manufacture of plastically deformed ropes. SUBSTANCE: method involves coiling members into rope; drawing and winding rope. Before drawing procedure, rope is subjected to rolling in several passes by directing it through set of "round-round" passes unt...
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Zusammenfassung: | FIELD: rope production, in particular, manufacture of plastically deformed ropes. SUBSTANCE: method involves coiling members into rope; drawing and winding rope. Before drawing procedure, rope is subjected to rolling in several passes by directing it through set of "round-round" passes until reaching the value equal to 0.7-0.9 of predetermined total reduction extent value. For first pass, rope reduction value is determined from ratio: epsilon1 = (0,4/0,6)epsilontot, where epsilon1 is reduction extent in first pass; epsilontot is predetermined total reduction extent. For each subsequent pass, reduction extent is selected on condition: where epsilonn is reduction extent in n- stand, n is number of stands. EFFECT: improved quality of wire rope. 1 dwg, 1 tbl |
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