FIELD: production of shaped contact wires by cold rolling on continuous mills in stands with mutually perpendicular rolls. SUBSTANCE: system has four shaping passes: former, roughing, leader and final passes formed by grooves of two rollers. In this case, forms of grooves of leader pass are made depending on groove forms of final pass. Groove forms of roughing pass are made depending on grooves forms of leader pass, and groove forms of former pass are made depending on groove forms of roughing pass. EFFECT: more uniform reduction of profile by cross-section and more accurate sizes and shapes of cross-section of contact wire due to use in calibration of four shaping passes of definite forms. 4 dwg
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Authors
Dates
1998-06-20—Published
1997-05-14—Filed