Method of rolling steel rods and wires with grooveless rolls and

Details Method of rolling steel rods and wires with grooveless rolls and Method of rolling steel rods and wires with grooveless rolls and

1986-10-10

1987-08-11

Spruill, Robert L.

Metal deforming

By use of roller or roller-like tool-element

With handling of, or guiding of, work or product relative to...

72235, 72366, B21B 118, B21B 3910

Patent

active

046853200

ABSTRACT:
A method of rolling steel rods or wires by grooveless rolls for reducing sectional areas of the rods or wires and achieving a stable rolling operation with high efficiency by limiting to less than a predetermined value the ratio of a long side to a short side of a cross-section of a blank material (having a rectangular cross-section) which has passed through each pair of grooveless rolls or limiting the ratio of the diameter of each pair of grooveless rolls to the gap therebetween. The method of rolling steel rods or wires by grooveless rolls also achieves high elongation efficiency to make stable the rolling operation by limiting the ratio of the diameter of each pair of grooveless rolls to the gap therebetween. The method uses a grooveless roll entry guide in the grooveless rolling so as to securely hold a blank material from entry to exit in a gap between the pair of grooveless rolls to eliminate overturns at the ends of the blank material and fins extending from the material due to the overturns.

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