Method for controlling the profile of workpieces on rolling mill

Details Method for controlling the profile of workpieces on rolling mill Method for controlling the profile of workpieces on rolling mill

1975-05-28

1976-05-25

Mehr, Milton S.

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72 13, B21B 3700, B21B 3702, B21B 3710

Patent

active

039584356

ABSTRACT:
There is described a method for controlling the profile of a workpiece on a rolling mill, wherein the workpiece is imparted with a predetermined profile in the roughing stage which is suitable for further control in the following finishing stage. In the finishing stage, the desired profile of the workpiece is attained by controlling the temperature of the workpiece at inlet position of the second finishing stage and/or controlling the thickness of the workpiece at outlet position of the first roughing stage. To determine the temperature and/or the thickness of the workpiece at inlet position of the second finishing stage a crown model formula is utilized. The crown model formula includes some constants, and variables which represent the mean temperature of the workpiece in the second finishing stage, and the thickness of the workpiece at the outlet of the first roughing stage.

REFERENCES:
patent: 3714805 (1973-02-01), Stone
patent: 3882709 (1975-05-01), Kawamoto et al.

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