Rolling mill sizing apparatus
AssigneeKocks Technik GmbH & Co.
InventorTheodor Zacharias
Life of this patent
Estimating the term…
Abstract
Apparatus for sizing square metal ingots to be subsequently pierced in a push bench to form pierced blanks for rolling into tubes is provided having freely rotatable sizing rolls to engage the corner edges of the ingot as the ingot is pushed through the support and freely rotatable guiding rollers to engage the side faces of the ingot. The sizing rolls are radially adjustable by means of both a coarse adjustment device and a fine adjustment device while the guiding rollers are only provided with coarse adjustment. The adjustment devices can be computer controlled so that both ends of the ingot are conically tipped and so that the ingot is slightly tapered throughout its length.
Claims10
Apparatus for sizing metal ingots of polygonal cross section comprising a housing, a plurality of spaced non-driven sizing rolls in said housing, disposed so that one such sizing roll is provided for each corner edge of an ingot to be rolled, fixed in the direction of ingot displacement, a plurality of spaced non-driven guide rolls in said housing disposed to engage the ingot in the region of the central circumferential portions of its outer surfaces and thereby guide the ingot between the sizing rolls, adjustment means for radially adjusting said guide rollers towards and away from the longitudinal axis of said ingot, said sizing rollers and guide rollers being located in substantially the same cross sectional plane of the housing, adjustment means on the housing for coarse radial adjustment of the sizing rollers towards and away from the longitudinal axis of the ingot and positioning means on the housing for fine radial adjustment of the adjustment means on the sizing rollers.
Dependencies are inferred from the claim text.