Round steel bar guide apparatus and method

Details Round steel bar guide apparatus and method Round steel bar guide apparatus and method

1995-12-28

1998-04-28

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

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

B21B 3020

Patent

active

057431272

ABSTRACT:
An apparatus for guiding various sized round steel bars to calibers of rolls while stably holding the round steel bar. The round steel bar can be securely prevented from being twisted with a small amount of a holding force, so that a product with a desirable and accurate dimension can be manufactured. The guide apparatus comprises guide rollers installed at the inlet of at least one of a plurality of multi-roll sizing mills, each stand of which is composed of at least three rolls disposed in a line. The method of guiding the round steel bars comprises a step of elastically holding the free or unrolled surface portion of the round steel bar with a press force in the range of approximately 100 to 500 kg. With the round steel bar guide method and apparatus, a round steel bar is pressed and elastically held on the free surface of the guide apparatus.

REFERENCES:
patent: 3765214 (1973-10-01), Boehmer
patent: 4212181 (1980-07-01), Smimada
patent: 5363682 (1994-11-01), Takeda et al.
patent: 5412970 (1995-05-01), Kawamura et al.

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