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1. (WO1993017816) OSCILLATEUR DESTINE A UN MOULE DE COULEE CONTINUE
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique
CLAIMS:

1. A continuous casting machine comprising a chilled mould (20) disposed to receive molten metal (24) which is discharged from the mould (20) as a curved casting (22) having a
predetermined casting radius, and an oscillating drive (90) for oscillating the mould (20) relative to the casting (22), characterized by mould guidance means comprising a first tensile element (46) having an inner end and an outer end, the outer end being anchored to a fixed external frame (40, 42, 44) and the inner end being secured to move with the mould (20), the first tensile element lying on a first radius extending from the centre of curvature of said pre-determined casting radius;and
a second tensile element (48) having an inner and an outer end both anchored to a fixed external frame (40, 42, 44) and secured to move with the mould (20) intermediate the inner and outer ends, at least one end having variable tensioning means (74) adapted to apply a tensile force to the second tensile element (48), the second tensile element (48) lying on a second radius extending from the centre of curvature of said pre-determined casting radius.

2. Apparatus according to claim 1 in which the mould (20) is supported on a mould table (28) and the tensile elements (46, 48) are secured to the mould table (28).

3. Apparatus according to claim 2 in which the second tensile element (48) is secured between its ends to an arm.
extension (36) forming part of the mould table (28).

4. Apparatus according to claim 2 in which the first tensile element (46) comprises a sheet of stainless spring steel extending substantially across the width of the mould table (28).

5. Apparatus according to claim 2 in which the second tensile element is provided in parallel pairs spaced from one another and disposed on the same side of the mould table (28).
SUBSTITUTE SHEET

6. Apparatus according to claim 3 in which the second tensile element (46) comprises two lengths of stainless spring steel each having an end anchored to the fixed external frame (40, 42, 44) and of which the other end is attached to a common mount attached to the arm extension (36) forming part of the mould table (28).

7. Apparatus according to claim 2 in which the oscillating drive (90) comprises drive means driving an eccentrically mounted cam means (104), a follower (108) pivoted at one end about a pivot (110) on a fixed external frame (40) and disposed to abut on the wheel (104), a transfer element (124) disposed to maintain contact between the follower (108) and the mould table (28) and selection means (142) adapted to adjust the distance separating the cam means (104) from the pivoted end of the follower (108) so as to vary the oscillation stroke imparted to the mould (20).

8. A continuous casting machine comprising a chilled mould (20) supported on a mould table (28) and disposed to receive molten metal (24) which is discharged from the mould (20) as a curved casting (22) having a predetermined casting radius, and an oscillating drive (90) for oscillating the mould (20) relative to the casting (22). Characterized by a turntable (140);
drive means (92) mounted on the turntable (140) for _, rotation with the turntable (140);
cam means (104) coupled to the drive means (92) and having a predetermined eccentricity;
follower means (108) pivotable at one end about a pivot (110) mounted to a fixed external frame (40) and adapted to maintain physical contact with the cam means (104);
transfer means (124) disposed to maintain contact between the follower means (108) and the mould table (28); and
adjustment means (142) coupled to the turntable (140), the adjustment means (142) being adapted to position the turntable (140) for selection of the radial position of the cam means (104) whereby the distance of the cam means (104) from the pivoted end of the follower means (108) is modified in accordance with a desired oscillation stroke to be imparted to the mould (20).