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US 2004/0168556 A1Published application
Method of trimming strip, especially hot roll metal strip
AssigneeBWG Bergwerk- und Walzwerk-Maschinenbau GmbH
InventorsAndreas Noe, Rolf Noe, Dieter Baukloh
Life of this patent
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Abstract
Sensors of the longitudinal edges and/or the width of hot roll metal strip are located immediately ahead of the trimming blades and are used to transversely adjust the trimming heads and/or the centerline position for the strip so that in subsequent trimming operations, the trim widths are identical at both sides. The cutting heads can be positioned in indentations at junctions between the successive segments of the strip.
Claims7
A method of trimming longitudinal edges from metal strip which comprises the steps of:
- (a) advancing metal strip to be trimmed along longitudinal edges of the strip along a trimming path in a longitudinal direction and engaging said strip at each longitudinal side thereof with a respective trimming shear head, thereby cutting a respective trim from the respective side along the respective longitudinal edge;
- (b) measuring positions of the longitudinal edges and optionally a width of the strip at a location immediately upstream in said direction of the respective heads;
- and
- (c) adjusting a position of a centerline of said strip based upon results of the measurement in step (b), before, after or during engagement of blades of said shear heads with said strip whereby said strip centerline is positioned relative to the shear heads and blades thereof.
1 more element
Dependencies are inferred from the claim text.