Abstract: A gas turbine part with a cooling hole, is fabricated by first forming a model of a wall of a gas turbine part. The wall is defined by first and second surfaces, the first surface having an aperture indentation possessing a complex geometry and extending into but not all the way through the wall of the gas turbine part. A mold of the wall of the gas turbine part is formed using the model and is used to cast the wall of the gas turbine part by lost-material casting. A passage is drilled through the resulting casting. This passage extends from the aperture indentation in the first surface through to the second surface.

Abstract: The present disclosure discloses a method for forming a rim of a cast-spun aluminum alloy hub, that is, a special spinning composite machining method for forming a structure that the spokes and the inner wheel flange of the hub are cast and the middle of the rim is spun. The method can prevent the performance, strength and as-cast structure of the inner wheel flange from being destroyed, effectively improve the impact resistance of the cast-spun hub at the inner wheel flange, prevent the inner wheel flange of the cast-spun hub from cracking during radial impact and improve the performance of the spun structure of the rim, is beneficial to thinning the rim and realizes light weight of the rim.

Abstract: A slide for the high pressure die casting of at least one closed deck engine block having at least one cylinder is disclosed. The slide includes a tool steel portion with reliefs for forming a water jacket surrounding each cylinder. At least one expendable salt core is located in each relief, the salt core having an inner surface and an outer surface with an aperture extending therethrough. The outer surface and inner surface of the salt core is coextensive with an inner surface and outer surface of the tool steel portion. A method for high pressure die casting a closed deck engine block using the disclosed slide and expendable salt cores is also disclosed. The expendable salt cores are separable from the reliefs in the slide, and form bridges or supports across a water jacket to add stiffness and rigidity to the cast engine cylinders.

Abstract: A method of fabricating a die cast article is disclosed and includes forming an insert with an additive manufacturing process to define a cavity for generating desired part geometry. The insert is then mounted within a mold tool, material is injected into the cavity to fill the cavity and form a cast article.

Abstract: A method for manufacturing light alloy castings by die casting with disposable cores, including a mold filling phase in which the parameters of pressure and speed of the molten alloy are controlled at levels tolerable by the cores until the cavities around the latter are filled by the molten alloy, and thereafter the pressure and speed parameters are controlled at levels suitable for completing and compacting the casting, the alloy being kept at a temperature close to its melting temperature throughout the whole path between the pump that pressurizes it and the entrance to the cavities around the cores. The invention relates also to a plant implementing said method by means of a pump connected to a mold through a duct that comes out within the casting envelope at a point close to the centroid of the cores.

Abstract: A method for die casting a component includes inserting at least one sacrificial core into a die cavity of a die comprised of a plurality of die elements. Molten metal is injected into the die cavity. The molten metal is solidified within the die cavity to form the component. The plurality of die elements are disassembled from the component, and the at least one sacrificial core is destructively removed from the component.

Abstract: An apparatus for casting material has a die for receiving a compressive force, the die having a shaped-opening for receiving a die insert. The die insert has an exterior shape that is adapted to cooperate with and be received in the opening such that compressive forces impinging upon the die are focused upon the die insert such that tensile forces within the die and impinging upon the die insert are minimized.

Abstract: A die casting apparatus includes: a fixed mold and a movable mold for forming a casting, wherein an insert core is disposed slidably in a movable main mold of the movable mold to form a protruding portion of the casting. The movable mold includes: a casting ejecting part for releasing the casting from the main mold, a core moving part for moving the core in a casting demolding direction, and a protruding-portion demolding part for releasing the protruding portion from the core. In a first demolding step, a control part controls the casting ejecting part, core moving part, and protruding-portion demolding part to release the casting from the main mold by the casting ejecting part and move the core together with the casting by the core moving part. In a second demolding step, the protruding portion is released from the core by the protruding-portion demolding part.

Abstract: A clip can fix a linear member, and is integrally molded by a base body, a bearing portion, and a locking lid. In the base body, the locking lid is integrally molded on one end to be freely rotatable. The bearing portion extends from one side of the base body, and includes an opening portion wherein a rotating shaft rotatably enters. In the locking lid, there are integrally molded a locking portion which can lock in the base body on the other side; the rotating shaft which can freely rotate in the bearing portion including the opening portion on one side; and a planar member covering the holding portion between the locking portion and the rotating shaft.

Abstract: The invention relates to an apparatus for producing a die cast part having arc-shaped inside and/or outside contours.

Abstract: A bearing housing includes a bearing housing body, and a shaft support part formed at the center of the bearing housing body, wherein the shaft support part includes at least one rib groove to fix a bearing bush located on the inner circumferential surface of a front end of the shaft support part. The manufacturing method of the bearing housing uses a first mold and a second mold to form an external appearance of the bearing housing and a central core to form a shaft support part of the bearing housing, and includes inserting a bearing bush onto the outer circumferential surface of the central core, and fixing the bearing bush inserted onto the outer circumferential surface of the central core by at least one bush fixing rib formed on one of the first mold and the second mold.

Abstract: An upper surface of a skirting base section 6h of a sand core 6 is provided with a projection 14 of a column shape. When a slide mold 3 is slidingly moved in a mold clamping direction, a sliding contact section 15 of a holding recessed section 13 of the slide mold 3 is brought into sliding contact with the projection 14 to hold the projection 14 while scraping away part of the sand of the projection 14. The upper surface of the skirting base section 6h adjacent to the projection 14 is also provided with a recess 16 for recovering the scraped sand, wherein the width of the recess 16 is larger than the diameter of the projection 14 in the longitudinal direction. The projection 14 can be formed in a prismatic or semispherical shape.

Abstract: In a die-casting mold used in a casting method, a fixed insert includes a recessed cavity portion, and a fixed mold body is arranged to hold the fixed insert. The fixed insert includes a first insert and a second insert. The first insert is held with the fixed mold body. The second insert is fitted and held within a recess formed on the first insert. The size of the second insert is minimized so as to just surround the recessed cavity portion.

Abstract: A head face slide core of a die casting mold for a cylinder block includes: a first core die with a water jacket forming portion for forming a water jacket, a head bolt forming portion for forming a head bolt, and a bore pin for forming a cylinder bore provided on a front surface of the first core die; a second core die coupled to a rear surface of the first core die; a cylinder having a piston; a core holder coupled to a rear surface of the second core die and connected to the piston; and a bore pin return plate between the first and second core dies and connected to the bore pin.

Abstract: Disclosed herein is a die casting mold for forming an inclined hole in a cylinder block, in which a core pin forming the inclined hole is installed at a position that does not interfere with a sleeve used as a molten-metal injecting passage in the die casting mold.

Abstract: A slide assembly for use in a molding or casting system comprises a cam pin, a slide base and a core slide. The cam pin comprises a head for securing with a first die half, and a two-stage shank extending from the head. The slide base is mountable to a second die half and the core slide is slidably engaged with the slide base. The core slide comprises a core pin for extending into a die cavity of the molding or casting system, and a cam pin slot for receiving the two-stage shank of the cam pin such that one-speed relative motion between the cam pin and the slide base produces a two-speed relative motion between the core slide and the slide base.

Abstract: According to the prior art, through-holes in components are often introduced after the production (casting) of the component. This entails additional outlay in terms of time and equipment. The time required can be considerably shortened if a casting mold is designed in such a way that the through-hole is at least in part formed by corresponding projections being formed on the inner wall and/or the outer wall of the casting mold.

Abstract: A disintegrative member, such as a salt core, is provided with a vent opening extending through its thickness from an outer surface to an inner surface in order to allow gases to pass radially inwardly through the body of the salt core and away from a region proximate the salt core's outer surface. The escape of these gases through the vent opening decreases the likelihood that porosity will be formed as a result of those gases being trapped in a region proximate the outer surface of the salt core because the molten metal solidifies more slowly in this area because of the thermal insulative qualities of the disintegrative member.

Abstract: A mold and method for producing a two-stroke engine casing of a radio control model are to define a core cavity and a main cavity in the mold. A first core has a first end inserted into the mold and the core cavity is defined around the first end of the first core for forming a core and simplifying the manufacturing processes. The first core with the core is inserted into the main cavity to from the cylinder of the engine and the blocks of the core define grooves in the inner periphery of the cylinder of the engine.

Abstract: In a permanent casting die with an at least local ceramic lining, the ceramic lining at least partially forms surface contours of a die cavity. The ceramic lining is applied in a form-fitting manner to a metallic core and the ceramic lining with the core is anchored firmly or movably in the die cavity.

Abstract: A method for casting a workpiece comprising the steps of applying a protective coating to a base core the base core comprising, a metal strip comprising a generally planar expanse, a plurality of tabs arranged in a pattern upon the metal strip each of the tabs comprising a base end, a terminus end, and a tab shaft extending from the base end to the terminus end wherein each of the tabs is angularly displaceable about each the base end of the tabs, injecting a molding substance about the tabs of the base core, encapsulating the base core in a shell, removing the molding substance, casting the base core, and removing the base core.

Abstract: A process for forming a vehicle wheel wherein a wheel blank having a wheel disc and a cylindrical skirt extending axially form an inboard surface of the wheel disc is mounted upon a spinning machine and the skirt is spun into a vehicle wheel rim.

Abstract: A cooling passage is formed to have a helical configuration so that a flow rate of a cooling medium supplied to the cooling passage is controlled to be in an optimum cooling region. Accordingly, the contact surface area and the cooling volume of cooling water are decreased respectively. Further, it is possible to stably obtain an optimum casting quality with ease.

Abstract: In a mold device comprising pin members provided projecting from an upper mold or a lower mold in order to form an electronic apparatus frame of a metallic material having pores arranged at given pitches, the pin members are arranged so that a center line connecting the adjacent pin members is not perpendicular to the direction of introduction of a molten metal into a cavity of the mold device.

Abstract: A method uses a mold for making a bracket of a brake lever device. The mold includes a mold cavity and a stem and a block extended inward of the mold cavity for forming the aperture and the orifice of a band of the bracket. A material is then injected into the mold cavity for forming a prototype of the bracket. The prototype is tapped for forming an inner thread in the aperture of the band, and is cut for forming the slot and the ear and for forming a C-shaped structure for the band. The ear has an oblong recess for engaging with a head of a fastener.

Abstract: A die cast mould apparatus having a base for supporting a mould body partially defining a mould cavity. A mould body insert is insertable in the partially defined mould cavity and may be locked in this position to complete the mould cavity. The mould body insert is mounted on a retainer which is mounted in a channel, in a support extending from the base. The retainer may be locked to the support in the channel by way of interlocking wedges on the retainer and wedge receptors in the channel walls of the support, thereby locking the insert in the position to complete the mould cavity.

Abstract: The centrifugal casting mold is a divided-type mold which can be set in a continuous centrifugal casting apparatus for producing annular or cylindrical cast articles and which can process them automatically and rapidly. It is easy to remove cast articles out of the core mold because the core mold halves are usually separated by compression springs when the mold is in a stationary state, and that the such divided core mold halves are integrally combined for centrifugal casting by utilizing centrifugal force automatically generated during the rotation of the mold.

Abstract: A mould for the casting of thin, cross-linked, polymerized resin films is subjected, when being filled with the liquid to be polymerized, to a centrifugal force field exceeding that of the earth gravitation field, the whole being for equalizing the intimate structure of the polymer and to expel therefrom the bubbles of gas possibly present therein. After curing the gel, a mixture of compounds to be separated by the application of an electric field is introduced into the gel and the latter is subjected to electrophoresis within the mould itself.

Abstract: A static casting mold for hollow cast product with bottom comprising a top lid, a core and an outer mold section, the core being attached to the top lid and disposed inside the outer mold section. The outer mold section includes a lateral mold section and a lower mold section. The lateral mold section is formed at its inner peripheral wall portion with a composite cooling section by stacking chiller blocks and interposing therebetween refractory sands and at its outer wall portion with refractory sands. Cooling pipes includes a first and second pipes. A first pipe extends longitudinally through the refractory sands at the outer wall portion and a second pipe extends longitudinally through the inner wall portion in contact with at least a part of each of the chiller blocks, the first and second pipes being connected at their lower portions through the bend portion. The chiller blocks are cooled by water flowing in the second pipes.

Abstract: A head assembly for a socket core 3 for the centrifugal casting of iron pipes including a seat 24 for supporting the core in a socket end 6 during casting, and a head 50 for positioning the seat and core in a chill-mould 1. The head is separable from the seat and includes dogs 20 pivotable around joints 21 by a jack 13, the dogs having end claws 22 arranged to fit into a recess 51 of the seat to enable a core to be handled and fitted without the dogs directly gripping the core, thus avoiding the risk of the core being damaged during fitting.

Abstract: A support stirrup 7 is rotatably mounted by horizontal shaft 8 at one end of a machine for centrifugally casting iron pipes 41 having end sockets 42a in a chill-mould 1. A ring assembly 31, CL is mounted between the arms of the stirrup for rotation about an axis Z--Z perpendicular to the shaft axis, but the plane of the assembly is tilted from its rotation axis by an acute angle D via an offset arm 34. With the stirrup raised to an intermediate position and the ring assembly rotated 90.degree. (FIGS. 3, 6) an operator can easily and safely mount a relatively heavy socket core 36 to the ring assembly, whereafter the latter is reverse rotated 90.degree. and the stirrup lowered to position the core in the end of the mould (FIGS. 1, 4). The stirrup can be fully raised (FIG. 2) to enable pipe extraction and visual inspection during casting.

Abstract: Apparatus for diecasting the barrel for a pin tumbler lock without the need for subsequent machining. The die comprises a generally barrel shaped cavity and three retractable cores. The first core extends radially inwardly into the cavity from one end to form the entry hole for the key and the second and third cores extend radially into the cavity until they meet at a line about which is formed a fin adapted to mate with a channel in the key. The third core also defines guide channels for the pin tumblers.

Abstract: The invention provides a pipe or similar tubular member of ductile cast iron having an end casing. The thin walled casing has a curved profile at its entrance divided into two sections, of which one is formed by centrifugal casting, whereas the other, of lesser curvature, is made by hot or cold forming with a simultaneous axial compression and a radial bending directed towards the axis of the pipe. The invention is useful for forming fluid tight seals in pipelines using radial compression packings.

Abstract: The installation comprises a first core support pivotable about a fixed axis between a horizontal position and vertical position. The core is mounted on the first support. A second core support having a horizontal axis is provided with a core gripping device and is movable between the first core support, in which it receives the core from the first core support in the vertical position of the first support, and the socket end of a centrifugal casting mould. The two supports are provided with a device for mutually centering the two supports when transferring the core from one support to the other.

Abstract: The installation comprises two centrifugal casting moulds which are roughly parallel to each other and are movable by rotation of a common support between a mould preparing station, a pouring station and a pipe extracting station, which stations are disposed in such maner that one of the moulds is in the axial extension of the pouring station when the other mould is in the axial extension of the extracting station and vice-versa. The two moulds are carried by rollers mounted on the common support and the latter comprises a horizontal platform which is rotatable about a central vertical axis relative to which the two moulds are symmetrically arranged.

Abstract: The machine comprises a housing, a casting mould rotatably mounted in the housing and a device for axially placing and maintaining a core against the end of the mould. The device comprises an element for urging the core against the mould, a releasable mechanism for fixing the core to the element and means for shifting the element between a position in which it urges the core against the mould and a withdrawn position. According to the invention, the mechanism is movable on the housing between a position in which it fixes the core to the element when the latter applies the core against the mould and a withdrawn position, the arrangement being such that the mechanism can follow, between its withdrawn position and its other position, the movement of the means for shifting the element. A return element is provided for returning the mechanism to its withdrawn position.