Patent classifications
B22D11/0685
CONTINUOUS CASTING MOULD
The mould contains a casting wheel, on the outer surface of which an open channel is made, a continuous tape adjacent to the casting wheel from its outer surface in such a way as to close the specified open channel, as well as a cooling system able of adjustable supply of coolant to the casting wheel and the continuous tape at least on the outer surface, on the inner surface and on both side surfaces of the wheel, in which the ratio of the coolant flow on the inner surface of the wheel to the coolant flow on the outer surface of the wheel is 1.9-3.0, and the ratio of the total coolant flow on the side surfaces of the casting wheel to the coolant flow on the inner surface of the casting wheel is 1.3-1.7.
MACHINE FOR MANUFACTURING CONTINUOUS BARS OF NONFERROUS METAL BY CONTINUOUS CASTING
A machine for manufacturing continuous bars of nonferrous metal by continuous casting includes a movable casting shell, composed of segments arranged in succession, each one having a portion defined, with a bottom and flanks, of the casting shell, and open on the sides directed toward the contiguous segments. The contiguous segments are movable along a closed path that has a substantially rectilinear portion at the casting region. Along the portion, the segments are substantially aligned and define a portion of the casting shell, with bottom and flanks, which is continuous, substantially rectilinear and closed, for at least one portion of the path downstream of the casting region, by a closure component.
Transport device
The invention relates to a transport device (10), in particular for transporting cooling blocks (12) in a caterpillar casting machine, comprising a guide rail (16), which forms an endless circulating track (U) for a caterpillar casting machine (14), and a support element (18) having a plurality of rollers (20), by means of which the support element (18) is guided on the guide rail (16) and rolls along same, wherein a cooling block (12) of a caterpillar casting machine (14) can be placed on the support element (18). The guide rail (16) has a first running surface (16.1) and a second running surface (16.2), wherein the running surfaces (16.1, 16.2) are provided on opposite sides of the guide rail (16). The support element (18) has at least three rollers (20.1, 20.2, 20.3), of which two rollers (20.1, 20.2) are in rolling contact with the first running surface (16.1) of the guide rail (16), and at least one further roller (20.3) is in rolling contact with the second running surface (16.2) of the guide rail (16), wherein at least one roller (20.1; 20.2; 20.3) is preloaded towards the guide rail (16).
TRANSPORT DEVICE
The invention relates to a transport device (10), in particular for transporting cooling blocks (12) in a caterpillar casting machine, comprising a guide rail (16), which forms an endless circulating track (U) for a caterpillar casting machine (14), and a support element (18) having a plurality of rollers (20), by means of which the support element (18) is guided on the guide rail (16) and rolls along same, wherein a cooling block (12) of a caterpillar casting machine (14) can be placed on the support element (18). The guide rail (16) has a first running surface (16.1) and a second running surface (16.2), wherein the running surfaces (16.1, 16.2) are provided on opposite sides of the guide rail (16). The support element (18) has at least three rollers (20.1, 20.2, 20.3), of which two rollers (20.1, 20.2) are in rolling contact with the first running surface (16.1) of the guide rail (16), and at least one further roller (20.3) is in rolling contact with the second running surface (16.2) of the guide rail (16), wherein at least one roller (20.1; 20.2; 20.3) is preloaded towards the guide rail (16)
Belt casting path control
A continuous casting device having multi-stage convergence control is disclosed. Cooling surfaces of the continuous casting device can be articulated in stages, providing individual convergence control to longitudinally spaced-apart regions of the casting cavity. In a proximal region, during which the molten metal exhibits solidification shrinkage, a first convergence profile can be used to optimally account for the solidification shrinkage. In a subsequent distal region, a second convergence profile can be used, such as to provide optimal control of exit temperature of the continuously cast article. Multi-stage convergence control can be achieved through individually articulatable cooling pads or other supports positioned opposite the cooling surfaces from the casting cavity to displace the cooling surfaces and thereby adjust the convergence profile of the casting cavity. Actuation of the individually articulatable cooling pads can effect different convergence profiles along the length of the continuous casting device.
Method and apparatus for near net shape casting (NNSC) of metals and alloys
A method and apparatus for continuous Near Net Shape casting of a liquid metal (10) into a metal strip are described. Liquid metal is transferred in a velocity adjusted manner from a headbox (50) to a chilled substrate (36), via a meniscus gap (69). The headbox (50) has a slot nozzle (68) defined in a bottom portion (66) for the headbox (50) above the chilled substrate (36). The slot nozzle (68) defines a smooth elongated cavity with a slot width (67) and the slot length (65) of the metal strip (34). The generation of some turbulence at the outlet of the apparatus promotes stable Near Net Shape Continuous Casting. The present method and apparatus increase the level of turbulence in the liquid metal of the outlet nozzle upstream of the chilled substrate (36) to minimize premature metal freezing. In a particularly preferred embodiment, the slot nozzle is adjustable.
Caterpillar casting machine and method for producing a cast material from liquid metal
A caterpillar casting machine for producing a cast material from liquid metal, including two guide rails, which are used to form two endless horizontal circulating tracks arranged opposite each other, and a plurality of support elements, which are each guided on the guide rails with cooling blocks attached thereto such that a continuous chain of support elements is formed. The support elements are moved in a transport direction along the circulating tracks. Between the cooling blocks, which arrive at the opposite position in straight sections of the circulating tracks of the guide rails, a moving casting mold for the cast material is formed. A cooling device is also provided, which has separate cooling zones each with at least one cooling nozzle, wherein the cooling zones can be individually controlled along the transport direction and/or transverse to the transport direction to adjust an opening or closing of the cooling nozzles.
COOLING PAD ASSEMBLY FOR A BELT CASTING SYSTEM
A cooling pad for a belt casting system includes a first nozzle arrangement and a second nozzle arrangement. In some embodiments, the first nozzle arrangement includes an elongated nozzle assembly that includes a base defining a receiving area, a first insert positionable within the receiving area, and a second insert positionable within the receiving area. The first insert and the base together define a first elongated dispensing slot. The second insert is adjustable relative to the first insert, and the second insert and the base together define a second elongated dispensing slot. In various embodiments, the second nozzle arrangement includes a plurality of multi-position nozzles, each movable between a base position and an offset position such that the heat transfer rate may be locally controlled across the cooling cavity.
CATERPILLAR CASTING MACHINE AND METHOD FOR PRODUCING A CAST MATERIAL FROM LIQUID METAL
A caterpillar casting machine for producing a cast material from liquid metal, including two guide rails, which are used to form two endless horizontal circulating tracks arranged opposite each other, and a plurality of support elements, which are each guided on the guide rails with cooling blocks attached thereto such that a continuous chain of support elements is formed. The support elements are moved in a transport direction along the circulating tracks. Between the cooling blocks, which arrive at the opposite position in straight sections of the circulating tracks of the guide rails, a moving casting mold for the cast material is formed. A cooling device is also provided, which has separate cooling zones each with at least one cooling nozzle, wherein the cooling zones can be individually controlled along the transport direction and/or transverse to the transport direction to adjust an opening or closing of the cooling nozzles.
Machine for manufacturing continuous bars of nonferrous metal by continuous casting
A machine for manufacturing continuous bars of nonferrous metal by continuous casting includes a movable casting shell, composed of segments arranged in succession, each one having a portion defined, with a bottom and flanks, of the casting shell, and open on the sides directed toward the contiguous segments. The contiguous segments are movable along a closed path that has a substantially rectilinear portion at the casting region. Along the portion, the segments are substantially aligned and define a portion of the casting shell, with bottom and flanks, which is continuous, substantially rectilinear and closed, for at least one portion of the path downstream of the casting region, by a closure component.