Abstract: A molding machine teaching aid includes a frame unit, a molding unit, a material supply unit, a drive unit and a monitoring unit. The molding unit includes a fixed die holder, a movable die holder, and two die kernels respectively and detachably disposed on the fixed and movable die holders. The material supply unit includes a heating module for melting a wire material, and an extruder transporting the molten material into a die cavity formed between the die kernels. The drive unit is controllable to drive movement of the movable die holder relative to the frame unit. The monitoring unit is for a user to operate to control the extruder, the heating module and the drive unit.

Abstract: The present invention discloses a ultrasonic method for indirectly measuring a pressure of a cavity of an injection molding machine, comprising: emitting ultrasonic wave to each pull rod along an axial direction of the pull rod respectively at the same time, detecting an ultrasonic wave echo time difference of each pull rod, and obtaining an average pressure inside a cavity of the injection molding machine. By the detection method and detection device of the present invention, the pressure inside the cavity may be detected in a certain state, the pressure inside the cavity in the injection molding process may be detected in real time, and the detection process is simple and the accuracy is high.

Abstract: Systems and apparatus for continuously casting thin strip where one or more expansion rings are positioned within at least one of a pair of casting rolls, and automatically measuring a thickness of the cast strip close to the first side edge of the strip using at least one sensor. If the thickness measured is too thin, automatically decreasing the radial dimension of the expansion ring arranged in close proximity to the first side edge to cause the cylindrical tube to contract and increase the thickness of the cast strip during casting. If the thickness measured indicates that the thickness of the cast strip is too thick, automatically increasing the radial dimension of the expansion ring arranged in close proximity to the first side edge to cause the cylindrical tube to expand and reduce the thickness of the cast strip during casting.

Abstract: A method is provided for measuring a shift between a carrier for a pattern (a carrier plate) and a flask and preventing a defect caused by a shift in the cavity parts.

Abstract: The moulding machine includes a moulding chamber having at least one chamber end wall (8) provided with a pattern plate adapted to form a pattern in a mould part and associated with a reference pattern block positioned in fixed relationship to a pattern of said pattern plate and adapted to form a reference pattern in an external face of a mould part. A detection system detects the position of a pattern face of the reference pattern of the sand mould part. A transverse and/or a rotational compaction position of a pattern plate is adjustable by means of at least one actuator (91, 92, 119). Said actuators are controlled by means of a control system on the basis of successive position detections performed by the detection system of pattern faces of reference patterns of compacted sand mould parts travelling along said path of travel.

Abstract: Methods and apparatus for continuously casting thin strip where one or more expansion rings are positioned within at least one of a pair of casting rolls, and automatically measuring a thickness of the cast strip close to the first side edge of the strip using at least one sensor, and if the thickness measured is too thin, automatically decreasing the radial dimension of the expansion ring arranged in close proximity to the first side edge to cause the cylindrical tube to contract and increase the thickness of the cast strip during casting, and if the thickness measured indicates that the thickness of the cast strip is too thick, automatically increasing the radial dimension of the expansion ring arranged in close proximity to the first side edge to cause the cylindrical tube to expand and reduce the thickness of the cast strip during casting.

Abstract: The moulding machine includes a moulding chamber having at least one chamber end wall provided with a pattern plate adapted to form a pattern in a mould part and associated with a reference pattern block positioned in fixed relationship to a pattern of said pattern plate and adapted to form a reference pattern in an external face of a mould part. The reference pattern block includes a face having a tangent varying in a longitudinal direction of the moulding chamber and being adapted to form a corresponding reference pattern in the sand mould part. A non-contact detection system (87) detects the position of a number of different points (P1, P2) distributed over the pattern face of the reference pattern in the longitudinal direction of the sand mould part, and the tangent (T1, T2) in the longitudinal direction of the sand mould part is different between at least two of said points.

Abstract: A tool measures relative concentricity deviations in a confined space between two circumferential elements, such as a turbine rotor and a turbine diaphragm. The tool includes a housing, and a sensor coupled with the housing that measures a distance from the housing to one of the two circumferential elements. An axial spring plunger is connected to the housing, and a radial spring plunger is connected to the housing and arranged orthogonal to the axial spring plunger. The tool also includes a sliding or rolling surface on a side of the housing opposite from one of the axial spring plunger and the radial spring plunger.

Abstract: An injection molding machine is provided with a signal lamp capable of displaying an operation state of the injection molding machine, and the signal lamp is elevated by operating an elevation unit attached to the injection molding machine. When the signal lamp is moved downward, it is possible to prevent a carrying object passing above the signal lamp from colliding with or contacting the signal lamp.

Abstract: A device for handling spider-like sprues, includes a first support forming a first plane, the first support including a supporting device for supporting a wax spider-like sprue; a second support forming a second plane, the first support and the second support forming a first pre-determined angle (?1); a first connection system between the first support and the second support; a third support forming a third plane, the second support and the third support forming a second pre-determined angle (?2); and a second connection system between the second support and the third support.

Abstract: A device for measuring the thickness of slag on the surface of liquid metal contained in an ingot mould comprises a wire made of electrically conductive material and capable of being eliminated under the effect of the heat at the temperature of the slag, the wire having a free end able to be dipped into the slag, a wire feeder capable of displacing the wire so that its free end dips vertically into the slag according to a predetermined trajectory, a wire displacement measurer capable of measuring a distance travelled by the free end of the wire during a time interval between two predetermined events when the latter is displaced under the action of the feeding means, and a wire feeder controller having a molten metal contact detector capable of detecting contact between the free end and the surface of the liquid metal.

Abstract: A method of casting a thin strip is disclosed. The method includes assembling a pair of side dams adjacent end portions of counter-rotating casting rolls through which a strip of metal can be cast to permit a casting pool of molten metal to be formed supported by the casting surfaces of the casting rolls, assembling a metal delivery system above the casting rolls delivering molten metal to form a casting pool supported on the casting surfaces of the casting rolls above the nip and confined by the pair of side dams, assembling a mechanical screw drive to move axially the side dams toward the casting pool, counter-rotating the casting rolls such that the casting surfaces of the casting rolls each travel inwardly to produce a cast strip downwardly from the nip, and moving the side dams axially inward toward the casting pool at a rate of between 0.4 and 5.0 mm/hour by actuation of the mechanical screw.

Abstract: A device for measuring the thickness of slag on the surface of liquid metal contained in an ingot mould comprises a wire made of electrically conductive material and capable of being eliminated under the effect of the heat at the temperature of the slag, the wire having a free end able to be dipped into the slag, a wire feeder capable of displacing the wire so that its free end dips vertically into the slag according to a predetermined trajectory, a wire displacement measurer capable of measuring a distance travelled by the free end of the wire during a time interval between two predetermined events when the latter is displaced under the action of the feeding means, and a wire feeder controller having a molten metal contact detector capable of detecting contact between the free end and the surface of the liquid metal.

Abstract: An apparatus for producing a piston for an internal combustion engine by casting, the piston having a cooling channel therein, the apparatus including a fixed die with an upwardly opened cavity in which a core serving to form the cooling channel is to be disposed, a moveable die moveably disposed relative to the fixed die in a vertical direction and including a predetermined engaging portion, a guide die including an engaging portion engageable with the fixed die and having a same shape as that of the engaging portion of the moveable die, and a core retaining mechanism disposed in the guide die to retain the core in a predetermined position.

Abstract: The invention relates to a device and a method for the measurement of a thickness, particularly for use in casting systems for strips or profiles, having a measuring device, wherein the thickness of a liquid or pasty melt, or of a solidified cast product is measured on a die, or in a vessel.

Abstract: Exemplary embodiments of the invention provide a method of measuring the separation of moving confronting casting surfaces within a casting cavity of a casting apparatus. The method involves attaching at least one separation sensing device to a first one of a pair of confronting casting surfaces outside the casting cavity and then moving the casting surfaces to advance the sensing device(s) through the casting cavity while operating the device(s) to generate signals. The signals are monitored continuously or at regular intervals and converted to distance measurements representing separation of the surfaces at a plurality of positions through the casting cavity. Other exemplary embodiments provide apparatus for carrying out the method, and methods of measuring irregularities of casting belts or the like.

Abstract: A sheet of a material is disposed in a melt of the material. The sheet is formed using a cooling plate in one instance. An exciting coil and sensing coil are positioned downstream of the cooling plate. The exciting coil and sensing coil use eddy currents to determine a thickness of the solid sheet on top of the melt.

Abstract: A method for detecting a crater end of a continuously cast product, including installing an ultrasonic shear wave sensor for transmitting an ultrasonic shear wave to the continuously cast product and receiving the transmitted ultrasonic shear wave in a continuous casting machine, detecting based on variations of an ultrasonic signal received by the ultrasonic shear wave sensor that the crater end of the cast product is matched with the installed position of the ultrasonic shear wave sensor, calibrating a physical property value used in a calculation based on a heat condition equation such that the crater end computed based on the heat condition equation using casting conditions at that time is matched with the installed position of the ultrasonic shear wave sensor, and after the calibration, determining the crater end by the calculation based on the heat condition equation under respective casting conditions by using the calibrated physical property value.

Abstract: Exemplary embodiments of the invention provide a method of measuring the separation of moving confronting casting surfaces within a casting cavity of a casting apparatus. The method involves attaching at least one separation sensing device to a first one of a pair of confronting casting surfaces outside the casting cavity and then moving the casting surfaces to advance the sensing device(s) through the casting cavity while operating the device(s) to generate signals. The signals are monitored continuously or at regular intervals and converted to distance measurements representing separation of the surfaces at a plurality of positions through the casting cavity. Other exemplary embodiments provide apparatus for carrying out the method, and methods of measuring irregularities of casting belts or the like.

Abstract: A measuring system for measuring the strand condition of a continuous casting machine, the system comprising a plate member mounted on a caster chain (10) in use, the plate member (12) having an edge (14) that protrudes outwardly from one surface (13) of the caster chain (10); a pivotally mounted arm (16) capable of protruding outwardly from the opposing surface (17) of the caster chain (10); and means to determine the distance between the tip (18) of the arm (16) and the plate edge (14) at any given interval during use.

Abstract: A method for detecting a crater end of a continuously cast product including installing an ultrasonic shear wave sensor for transmitting an ultrasonic shear wave to a cast product and receiving the transmitted ultrasonic longitudinal wave and an ultrasonic longitudinal wave sensor for transmitting an ultrasonic longitudinal wave to the cast product and receiving the transmitted ultrasonic longitudinal wave at the same position in a continuous casting machine or at positions apart from each other in a casting direction, but at the same position in a transverse direction of the cast product, detecting based on variations of an ultrasonic signal received by the ultrasonic shear wave sensor that the crater end of the cast product is matched with the installed position of the ultrasonic shear wave sensor, calibrating a calculation formula for determining the crater end and determining the crater end.

Abstract: A continuous casting mold with two narrow mold sides opposite one another and two longitudinal mold sides opposite one another. At least one of the narrow mold sides is movable toward and away from the other by means of hydraulic cylinders on the opposite narrow mold side. The hydraulic cylinders can be actuated independently from one another and have, in each instance, a cylinder and a piston guided therein. The piston rod of the piston is connected to the narrow mold side that is to be displaced, and a device for acquiring the position of the piston and, therefore, the displacement of the narrow mold side, is associated with at least one of the hydraulic cylinders. To improve the determination of the position of the narrow mold side, a displacement measuring system is arranged parallel to the hydraulic cylinder and constructed such that its measurement path directly corresponds to the displacement of the piston of the hydraulic cylinder.

Abstract: A twin roll caster including a pair of chilled rolls on which molten steel solidifies for delivery of a steel strip from a nip between the rolls, a noncontact type sensor for measuring thickness distribution of the strip widthwise of the strip, a marking mechanism that makes a mark on the strip whenever the chilled rolls make one rotation, a mark detector that senses the marks on the strip, and a nip estimating mechanism. From thickness-distribution information by the sensor and passed-mark information by the mark detector, the nip estimating mechanism calculates variation of the nip between the rolls whenever the rolls make one rotation, based on variation in thickness distribution widthwise of the strip between confirmed passing of the mark and confirmed passing of the next mark, and stores the same as data.

Abstract: An apparatus and method for continuously casting thin steel strip includes a pair of counter-rotatable casting rolls laterally positioned to form a nip there between through which thin cast strip can be cast, an actuator capable of moving each casting roll independently toward and away from a given reference location as desired, location sensors capable of sensing the location of the casting rolls relative to the given reference location and producing electrical signals indicative of each casting roll position and a control system capable of receiving the electrical signals and causing the actuator to move the casting rolls into desired position. Force sensors may be provided capable of sensing the forces exerted on the strip and producing electrical signals indicative of the sensed forces, and the control system may be capable of receiving the electrical signals indicative of the sensed forces and causing actuators to vary the position of the casting rolls responsive to the electrical signals as desired.

Abstract: A continuous casting apparatus having a pair of drums rotating in opposite directions, and bearing housings for rotatably supporting drum shafts protruding from opposite end surfaces of the drums, the continuous casting apparatus comprising, on a side of at least one of the drums: a base portion; an arm having an end portion on which the bearing housing is installed fixedly, and having an opposite end portion pivotably supported by the base portion; and an adjusting device for pivoting the arm to move the pair of drums toward or away from each other.

Abstract: 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.

Abstract: The invention relates to a device (1) for measuring the width (B) and/or the position of a metal strip (2) or a slab, which has at least two measuring systems (3, 4), with each located on a side (5, 6) of the metal strip (2) or the slab, wherein each measuring system (3, 4) has a sensor (7) designed to detect the lateral end (8, 9) of the metal strip (2). To make the measuring device robust and to enable dynamic measurement, according to the invention the sensor (7) is located on a moving element (10) with which it can be moved in a straight line in a direction (Q) at right angles to the longitudinal direction (L) of the metal strip (2).

Abstract: A method and device for producing metal foils using the foil-casting principle includes the steps of filling a casting frame with liquid metal, moving a substrate through the bottom of the casting frame, with the substrate belt being at a lower temperature than the melting point of the liquid metal in the bottom of the casting frame, so that a bottom layer of the liquid metal crystallizes on the substrate and a metal foil is formed on the substrate on one side of the casting frame. The method further includes the steps of measuring at least one of a thickness and weight of the metal foil, and adjusting the contact surface area between the liquid metal and the substrate as a function of the measured value for the thickness and/or weight of the foils produced.

Abstract: A system and method for tracking and positioning a continuous cast strand in a casting plant. Lateral positions and, optionally, elevational positions of a cast strand are monitored by sensors as casting proceeds and are fed to a computer-based system as corresponding position information where the information is stored as associated data. The computer-based system processes the associated data and generates corresponding control signals which are used to control at least one correcting device to maintain desired orientation of the cast strand as casting proceeds.

Abstract: Disclosed is a method for electric clamping, which performs a clamping process in parallel with a core-drawing-in process, avoiding damages of molds and core mechanisms and enabling secure clamping.

Abstract: Disclosed is a sand casting molding machine for double indexing molds in a mold string. The machine can include a shot chamber having sand, a swingable squeeze head, a lateral squeeze head, a core setter, a mold hold down, a mold retention device and a mold string conveyor.

Abstract: Spray form cell including a two-wavelength imaging pyrometer adapted to provide real-time measurement of the surface temperature distribution of a metal billet thereby formed. The steel billets may be advantageously used as tools in metal forming processes, injection molding, die casting tooling and other processes that require hard tooling, such as in the automotive industry. The steel billet is formed based on a goal of uniform surface temperature distribution thereby minimizing thermal stresses induced within the steel article thereby produced.

Abstract: A continuous extrusion machine has a chassis (1) supporting a wheel (2) for rotation by a motor. An endless groove (7) extends around the periphery of the wheel (2). A shoe (3) is mounted in the chassis (1) and has an enveloping surface shaped to closely envelop an arc of the wheel (2) periphery so that the groove (7) co-operates with the shoe (3) to form a passage. An abutment is mounted on the shoe (3) to extend into the passage at a downstream end. Tooling is mounted in the shoe (3) including a die such that a material such as aluminium or copper bar fed into the groove (7) is extruded through the die as a consequence of the energy transfer via friction from the rotating wheel (2). A gap (12) exists between the enveloping surface and the wheel (2). The gap (12) is used to provide the orifice of a sonic gap (12) sensor whereby the size of the gap (12) can be accurately and directly measured.

Abstract: A molding material is forced by a shooting device (3) into an openable tool (4) and solidified therein to a component of a mold (2)—a core or shell. The mold component (2) is removed when the tool (4) is open, and subsequently handled in any desired sequence, transported, and, if need be completed to a core assembly (1). The tools (4) are measured in a noncontacting manner in the region of the shooting device (3) and/or manipulators (5) and/or processing stations (6) and/or storage areas (7) and/or conveying paths (8), that the measured data are supplied to a computer (9), if need be, processed therein, and compared with stored desired values, and that the tools (4) are identified as defective, when a predeterminable or definable deviation from the desired values is detected.