Method of and installation for precise positioning of a number of cooperating cylinder or roller elements
The invention relates to a method of precise positioning of a number of cooperating cylinder or roller elements ( 2, 3, 4 ) of a roller or casing installation ( 1 ) relative to each other. In order to be able to bring off a rapid and precise alignment of the cylinder or roller elements, according to the invention, it is provided that with a measuring apparatus ( 5 ), a distance (a 6 , a 7 , a 8 , a 9 ) between at least three reference points ( 6, 7, 8, 9 ), which are provided directly or indirectly on each of the cylinder roller elements ( 2, 3, 4 ), and the measuring apparatus is measured, and that dependent on measurement results, adjusting elements ( 10, 11, 12 ) on each cylinder or roller element ( 2, 3, 4 ) are so operated that the distances (a 6 , a 7 , a 8 , a 9 ) between the reference points ( 6, 7, 8, 9 ) and the measuring apparatus conform to predetermined values to a best possible extent, wherein the measurement points ( 6, 7, 8, 9 ) of each cylinder or roller element ( 2, 3, 4 ) are arranged, directly or indirectly on a carrier element ( 13 ) of the cylinder or roller element ( 2, 3, 4 ). The invention further relates to a roller or casting installation, in particular for carrying out the method.
1. A method of precise positioning of a number of cooperating roller elements ( 2 , 3 , 4 ) of a casting installation ( 1 ), wherein each of the roller elements ( 2 , 3 , 4 ) has a carrier element ( 13 ) and adjusting means ( 10 , 11 , 12 ) for positioning the roller element ( 2 , 3 , 4 ), the method comprising the steps of providing a measuring apparatus ( 5 ); measuring distances (a 6 , a 7 , a 8 , a 9 ) between at least three reference points ( 6 , 7 , 8 , 9 ) provided on the carrier element ( 13 ) of each of the roller elements ( 2 , 3 , 4 ) and the measuring apparatus ( 5 ); and dependent on measurement results, operating the adjusting means ( 10 , 11 , 12 ) of respective roller elements ( 2 , 3 , 4 ) to so position the respective roller elements ( 2 , 3 , 4 ) that the distances (a 6 , a 7 , a 8 , a 9 ) between the reference points ( 6 , 7 , 8 , 9 ) of the respective roller elements ( 2 , 3 , 4 ) and the measuring apparatus ( 5 ) substantially conform to predetermined values.
2. A method according to claim 1 , wherein the casting installation ( 1 ) is a continuous casting installation, and wherein the step of providing a measuring apparatus ( 5 ) includes arranging the measuring apparatus ( 5 ) substantially in a middle point (M) of a casting bow ( 14 ) of the continuous casting installation.
3. A method according to claim 1 , wherein the measuring step comprises measuring, distances (a 6 , a 7 , a 8 , a 9 ) between more than three reference points ( 6 , 7 , 8 , 9 ) and the measuring apparatus ( 5 ), and wherein the step of operating the adjusting means ( 10 , 11 , 12 ) includes actuation of at least a part of the adjusting means ( 10 , 11 , 12 ) according to a regression function defined by all of measurement points.
4. A method according to claim 1 , wherein the regression function is linear.
5. A method according to claim 1 , wherein the regression function is quadratic.
6. A method according to claim 1 , wherein the measuring step includes measuring angles (α 6 , α 7 , α 8 , α 9 ) between the at least three reference points ( 6 , 7 , 8 , 9 ) and the measuring apparatus ( 5 ).
7. A casting installation ( 1 ), comprising a plurality of cooperating roller elements ( 2 , 3 , 4 ) each having a carrier element ( 13 ) provided with at least three reference points ( 6 , 7 , 8 , 9 ); and a distance measuring apparatus ( 5 ) for measuring distances (a 6 , a 7 , a 8 , a 9 ) between the at least three reference points ( 6 , 7 , 8 , 9 ) and measuring apparatus ( 5 ).
8. A casting installation ( 1 ) according to claim 7 , wherein the casting installation is a continuous casting installation, and the roller elements ( 2 , 3 , 4 ) are segments of the continuous casting installation.
9. A casting installation ( 1 ) according to claim 7 , wherein each of the roller elements ( 2 , 3 , 4 ) comprises at least two rollers ( 15 , 16 , 17 , 18 ).
10. A casting installation ( 1 ) according to claim 7 , wherein the measuring apparatus ( 5 ) is formed as a laser tracker.
11. A casting installation ( 1 ) according to claim 7 , wherein the measuring apparatus ( 5 ) is formed as a tachymeter.
12. A casting installation ( 1 ) according to claim 7 , wherein the reference points ( 6 , 7 , 8 , 9 ) are formed as measurement balls arranged on the carrier element ( 13 ).
13. A casting installation ( 1 ) according to claim 7 , wherein adjusting means ( 10 , 11 , 12 ) are provided on each carrier element ( 13 ) for positioning the carrier element ( 13 ) relative to a receptacle ( 19 ) thereof.
14. A casting installation ( 1 ) according to claim 13 , wherein the adjusting means ( 10 , 11 , 12 ) provides for a translational displacement of the carrier element ( 13 ) relative to the receptacle ( 19 ) thereof in at least one spacial direction (x, y).
15. A casting installation ( 1 ) according to claim 13 , wherein the adjusting means ( 10 , 11 , 12 ) provides for a translational displacement of the carrier element ( 13 ) relative to the receptacle ( 19 ) thereof in a radial spacial direction (x).
16. A casting installation ( 1 ) according to claim 13 , wherein the adjusting means ( 10 , 11 , 12 ) provides for rotation of the carrier element ( 13 ) relative to the receptacle ( 19 ) thereof about at least one spacial axis (α, β).
17. A casting installation ( 1 ) according to claim 13 , wherein the adjusting means ( 10 , 11 , 12 ) provides for rotation of the carrier element ( 13 ) relative to the receptacle ( 19 ) thereof about a lateral spacial axis (β).
18. A casting installation ( 1 ) according to claim 13 , wherein the adjusting means ( 10 , 11 , 12 ) comprises at least one wedge element.