OPERATING METHOD FOR A COOLING ZONE
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United States of America Patent
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Issued Date -
Oct 6, 2016
app pub date -
Nov 10, 2014
filing date -
Nov 18, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A flat rolled material (1) is transported through a cooling zone (2) such that portions (15) of the rolled material (1) successively pass through effective ranges (8, 9) of cooling installations (6, 7). Virtual rolled material points (P) are assigned to the portions (15). During transportation of the portions (15) through the cooling zone (2), tracking of the portions (15) is carried out by way of an operating cycle (δt′). The cooling installations (6, 7) are controlled so as to correspond to the respective rolled material points (P) for actual cooling outputs (mi) which are assigned to the cooling installations (6, 7). On account thereof, that portion (15) that is in each case located in the effective range (8, 9) of the respective cooling installation (6, 7) is impinged with a respective amount of coolant. The cooling installations (6, 7) are subdivided into released and non-released cooling installations. A rolled material point (P) is in each case iteratively selected. Before the corresponding portion (15), proceeding from a starting point (xA), reaches the effective range (8, 9) of the next released cooling installation (6, 7), a state (E) which the respective rolled material point (P) has at the starting point (xA) is determined.
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