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JP2024040078A |
An object of the present invention is to provide an ingot casting method suitable for manufacturing large ingots, which can suppress internal defects of the ingot such as macro segregation, inclusion defects, and shrinkage cavities. [Sol...
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JP2024032616A |
An object of the present invention is to provide a molten steel coating powder that can form a molten layer with little change in composition and physical property changes caused by this even when in contact with molten steel containing ...
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JP2024022005A |
[Problem] To provide casting equipment in which a nozzle can be easily inserted into a sprue hole of a mold. [Solution] The casting equipment 2 has a mold 6 having a sprue hole 24 in the bottom 20, a body and a tip that are inserted into...
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JP2024008481A |
An object of the present invention is to provide a technology that can determine a set temperature of molten metal in consideration of energy efficiency. [Solution] The system for determining the set temperature of molten metal in pourin...
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JP2023177901A |
To provide a specific method for reusing carbon steel scrap generated in nuclear facility.A method for reusing carbon steel scrap generated in nuclear facility is provided, including: melting the carbon steel scrap using a melting device...
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JP7394577B2 |
To provide a material composed of a high-pure ferritic stainless steel which can reduce both of rough surface and ridging after molded into a product shape.The present disclosure provides a ferritic stainless steel, which is a ferritic s...
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JP2023550614A |
Casting of large steel ingots takes place in a top-suspended induction heating device that is supplied with variable power and frequency from a power source. Due to the induction heating and stirring by the top-hanging induction heating ...
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JP2023544282A |
The method and apparatus are used to achieve alignment and accommodate thermal expansion during mold assembly and include employing compressible regions and modified interfacial dimensions. [Selection diagram] Figure 3
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JP2023149111A |
To provide an alloy ingot production method capable of reducing a constriction generation ratio upon alloy ingot production to improve a production yield, and an alloy ingot production bottom tap nozzle.An alloy ingot production method h...
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JP7351470B1 |
The present invention provides a method for forming semi-molten metal that can improve the quality of products obtained by applying the semi-molten forming method (thixocasting method). [Solution] After forming a billet B for semi-molten...
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JP2023108901A |
To provide a technique, in a mold composed of a plurality of lined-up dies, capable of suppressing the surface wear of the mold to prolong the life thereof, and further suppressing the connection of ingots formed in the respective dies t...
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JP7310328B2 |
To provide a mold removal method capable of safely removing a columnar steel ingot obtained by a vacuum arm melting method (VAR method), an electroslag melting method (ESR method) or the like from a mold.A mold removal method comprises: ...
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JP2023092414A |
To provide an ingot casting device capable of casting many metal ingots by one time inert gas injection operation.A casting device 1 comprises: a turn table 4 provided at the lower part in a chamber 3; a rotation mechanism 42 rotating th...
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JP2023026000A |
To provide a top-poured ingot mold for producing an ingot with a reduced running cost thereof and with time and labor spent less in preparation for ingot casting work.A top-poured ingot mold according to the present invention comprises a...
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JP2022169267A |
To provide an apparatus for manufacturing a metal ingot with high quality by applying a melting and casting method.An apparatus includes a melting furnace and a controller. The melting furnace includes a hearth, a first heat source, a mo...
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JP2022525051A |
A casting device (100) including a vacuum vessel (110), an ingot mold (120) arranged in the vacuum vessel, and a stirrer (130) arranged to stir the liquid steel in the ingot mold. In the method for manufacturing a steel ingot in the abov...
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JP7043217B2 |
In this casting method for an active metal, in an induction melting furnace (3) using a water-cooled copper crucible (2), a thin ingot (S) of an active metal is cast by tapping a melt M from a tapping hole (5) provided in a base section ...
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JP6969707B2 |
There are provided a method for casting molten steel, a method for producing a continuously cast piece, and a method for producing a steel material for a bearing, that can suppress a gas-liquid reaction between molten steel and oxygen in...
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JP6946545B2 |
A device for reforming a vessel cavity is provided that includes a central shaft, a central gear coupled to the central shaft, and a plurality of roller gears coupled to the central gear, with each of the plurality of roller gears having...
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JP2021130125A |
To provide a casting device for defect evaluation capable of changing a position in which casting defects such as zag defects are formed in an ingot, and a method for producing an ingot for defect evaluation.A casting device 1 is used fo...
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JP2021062387A |
To provide an apparatus for melt casting capable of hermetically sealing a mold to prevent the quality degradation of an ingot.An apparatus for melt casting comprises a lid member 40 that can open/close an upper opening 16a of a mold 16 ...
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JP6818980B2 |
To manufacture a sound and highly clean ingot with a lower cost effectively preventing occurrence of drift generation and entrainment of an ingot inside material using a simple facility configuration when pouring multiple ingots by botto...
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JP6812621B2 |
To provide a heat insulation board capable of improving a steel ingot yield and a steel ingot quality, in manufacturing a steel ingot using a bottom pouring ingot casting method, by generating heat at a steel ingot riser part stably at a...
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JP6798928B2 |
To provide an Al-Si-based alloy for casting capable of preventing crystallized article or the like from deposition on a surface of a header of a casting device, and preventing the header from jamming.There is provided an Al-Si-based allo...
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JP6767109B2 |
To prevent equipment from becoming a large-scale even in a system having a plurality of continuous casting machines.A pressurization type ladle 20 is carried on a load gauge 40 arranged near a first position of a first gutter 31 in a con...
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JP2020032442A |
To provide a method for casting molten steel capable of suppressing gas-liquid reaction between molten steel and oxygen in the air.A method for casting molten steel using a continuous casting facility comprises: a replacement step where ...
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JP6638142B2 |
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JP2019217531A |
To provide an underside-pouring ingot making method capable of decreasing sedimentary inclusion defects and hydrogen blowhole defects within an ingot by controlling the addition amount of baked chaff when adding baked chaff after a termi...
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JP6625921B2 |
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JP2019534787A |
An apparatus and process for forming a multi-component metal alloy ingot or product in which a granular metal feedstock is added onto a rotating platen or a pre-deposited layer on the rotating platen in a high pressure inert environment....
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JP2019198879A |
To provide a casting mold made of cast iron capable of preventing the deposition of an ingot thereto which provide a problem upon ingot removal, and a method for producing an ingot using the same.A casting mold 1 made of cast iron compri...
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JP6609139B2 |
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JP2019166548A |
To provide a casting device for a columnar ingot capable of uniformizing and speeding-up the filling time of a molten metal from an intermediate tundish into a plurality of tubular molds.A casting device for a columnar ingot arranged wit...
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JP6575423B2 |
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JP6527069B2 |
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JP2019081202A |
To provide a method and a structure, in an electric arc furnace system for producing a steel, for eliminating injection agglutination, and for preventing the generation of non-metal inclusions in a final product.Provided is a method and ...
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JP2019072729A |
To ensure prevention of entrainment of an in-die agent into molten steel during lower ingot making.This lower ingot making method is characterized in that the bottom inner diameter of a cast 6 is set to 1000-2000 mm, and when molten stee...
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JP2019051522A |
To provide a technique capable of molding curved shapes, characters, or the like not molded conventionally such as a face plate of a long character, an S-shaped face plate, a large bell, and a columnar casting.A resin mold is used as a m...
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JP6491039B2 |
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JP3219481U |
To provide a heat insulating material charging device capable of charging a required amount of heat insulating material at a desired timing. This is a heat insulating material charging device 2 arranged above a mold 100 and charging a he...
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JP2018176198A |
To provide a steel ingot drawing device capable of securely and swiftly drawing a steel ingot from a mold, in a state in which a mold is made into a vertical attitude together with a cast steel ingot, without damaging the mold, and also ...
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JP6391937B2 |
A method and apparatus for vacuum or air casting a molten superalloy, or other metal or alloy, containing an oxygen-reactive alloying element to form a cast part involves introducing the molten metallic material (melt) into a preheated m...
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JP2018134674A |
To provide a lower injection ingot-making method preventing the entrainment of an in-mold agent to a molten steel and further producing a high quality steel.Provided is a lower injection ingot-making method where, when the inside diamete...
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JP6354259B2 |
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JP6330375B2 |
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JP2018069333A |
To provide an ingot that prevents unnecessary rolling and is hard to become a lump of a plurality of ingots.The ingot 60 has a shape in which a pair of planar portions 61 which are symmetrical with respect to the central axis 63 of a tru...
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JP2018051598A |
To provide a bottom pouring ingot-making equipment where, in the case molten metal pouring is performed by bottom pouring from one runner to a plurality of molds, the generation of a drift at the inlet of each mold and the entrainment of...
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JP2018044820A |
To measure distribution of the thickness of a molten layer, even in a narrow space.A molten layer thickness measurement device 1 configured to measure the thickness of a mold powder molten layer 92 in a cast 82, includes: a horizontal pa...
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JP6249940B2 |
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JP6219267B2 |
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