Method and machine for rolling a metal workpiece at a reduced rolling load

摘要: A rolling method and machine provides for decreasing the load of work rolls a mill given reduction ratio achieved thereby. pair pinch upstream have projections that form large number recesses in one or both surfaces metal workpiece. lubricating agent is forced into region contact between workpiece rolls. As result, when rolled by retained such progressively are flattened, thereby causing to boundary film portion being The controlled regulate dimension length each recess direction workpiece, inclination front rear walls recess, total area relative surface