75results about How to "Reduced casting time" patented technology

The invention relates to the field of manufacturing processes, molding dies and finished products of sanitary ceramic products, and provides a high-pressure grouting molding manufacturing process of a toilet bowl. The high-pressure grouting molding manufacturing process comprises the steps of arranging of horizontal type high-pressure grouting equipment, arranging of a plurality of molding die bodies, die closing, grouting, die opening, die releasing and bonding and molding. Each molding die body comprises two female dies and a male die between the female dies. The molding die bodies are arranged on a bearing system of the horizontal type high-pressure grouting equipment in the horizontal direction. Two half-edge blanks are obtained every time die opening and die releasing are carried out. A complete toilet bowl blank is molded after each step of bonding and molding. Thus, according to the high-pressure grouting molding manufacturing process of the toilet bowl, the grouting molding yield and efficacy can be increased, and equipment cost is reduced; and a double-face grout eating manner can also be adopted so that the product yield and quality can be increased, the grout return manufacturing process is omitted, and the grouting molding time is greatly shortened.

The invention discloses a polycrystalline silicon ingotting furnace and an ingotting method thereof, relating to the technical field of equipment for preparing uniform polycrystalline silicon with a certain structure. The ingotting furnace comprises a furnace body insulating layer, a top heater, a quartz crucible, a heat-dissipation platform, a heat-dissipation window and a bottom heater. The bottom heater is located on the lower side of the heat-dissipation platform. The bottom heater and the top heater are controlled by independent transformers, and are adjusted separately. The rate power of the bottom heater is 5kw-100kw. The bottom heater is started in the heating and smelting period during a running process of the ingotting furnace, and is stopped completely during a crystallization process of silicon liquid, so that the temperature of silicon material at the bottom of the crucible quickly rises by the smelting of the silicon material, thereby reducing the smelting duration of the silicon material and improving the productivity of the ingotting furnace.

The present invention relates to a device and a process adopting the liquid steel vacuum overflow method to cast a plurality of ingots, which belongs to the technical field of the vacuum casting ingot, and aims at overcoming the weaknesses that the liquid steel is secondarily oxidized when the liquid steel is poured into the pouring box in vacuum pouring way, and the pouring time is long, the device is large, etc. The desaeration slide gate nozzle steel ladle is adopted for direct pouring, and after the liquid steel is poured to a specified height at a primary mould cap port: proposal A and proposal B, the liquid steel flows into the next or the next two moulds through one or two single-way overflow grooves so as to pour all steel ingots. Proposal C, the liquid steel pours all steel ingots through the primary or a plurality of balancing overflow grooves with the same height of the bottom marker. Proposal D, the liquid steel pours all steel ingots through a plurality of single-way overflow grooves on the primary cap and a plurality of balancing overflow grooves with the same height of the bottom marker among the rest caps. Adopting each proposal, the height of the cap port of the ingot is basically the same. The process of the present invention has short general pouring time, and is safe and smooth, and has good quality of the steel ingot, and has simple device and less invenatment, and can save the energy. The process of the present invention is applicable to vacuum pouring a plurality of quality steel ingots that are used for rolling and forging in the special steel and heavy machine industries.

The invention relates to a casting process of a aluminum alloy slab ingot, which is particularly suitable for co-casting the aluminum alloy slab ingot with different specifications and belongs to the production technical field of aluminum processing industry. The casting process comprises the following steps of: 1, establishing casting process parameters; 2, simulating casting; 3, confirming fusant temperature in a heat preserving furnace; 4, laying out a crystallizer; 5, casting; 6, sampling from final components; and 7, cooling aluminum liquid. The casting process of aluminum alloy slab ingot is capable of casting the aluminum alloy slab ingot with two or more than two specifications at one step, and has high production safety, low investment cost and easy operation.

The invention discloses a non-heat-treatment reinforced high-toughness pressure-casting aluminum alloy material for a new energy automobile battery box. The alloy material comprises 7wt%-9wt% of Si, 0.6wt%-1.0wt% of Mg, 0.2wt%-0.8wt% of Mn, smaller than 0.5% of Cu, smaller than 0.7wt% of Fe, smaller than 0.5.0wt% of Zn, smaller than 1wt% of La, smaller than 2wt% of Ce, smaller than 1wt% of Al-Ti-C-Sr and the balance Al, and the sum of the weight percentages of the rest of impurities is controlled to be 0.5wt% or below. The non-heat-treatment reinforced high-toughness pressure-casting aluminum alloy material is obtained by adopting a nanoscale refiner for auxiliary strengthening of rare earth elements, meanwhile, a double-charging-barrel integrated casting mode is introduced into the high-pressure cast new energy battery box, the casting filling time of the battery box in a mold can be shortened, the casting defects such as cold shut shrinkage porosity and the like are avoided, and the product yield is improved.

The invention provides a casting method for casting a stainless steel workpiece through an evanescent mold applied to the technical field of evanescent mold casting. The casting method for casting thestainless steel workpiece through the evanescent mold comprises the casting steps that firstly, bake drying is carried out on a mold shell (2), and then the mold shell (2) is put into a sand mold (1); secondly, the sand mold (1) and the mold shell (2) are heated, and the mold shell (2) is disappeared in a liquidation manner; thirdly, the sand mold (1) is put into a sealed molding box (3), and airin the molding box (3) is extracted till the molding box (3) is extracted to a negative pressure state; and fourthly, a liquid metal raw material is poured into a workpiece cavity. By means of the casting method for casting the stainless steel workpiece through the evanescent mold, the machining quality of the stainless steel workpiece can be improved, the production efficiency of the stainless steel workpiece is improved, the large batch production requirement of the stainless steel product is met, meanwhile, the environmental friendly and energy saving effects can be obviously improved, andthe stainless steel workpiece with a complex structure and surface quality superior to that of a traditional process is manufactured.

The invention provides a method for manufacturing an aluminum alloy large-sized flat ingot for a ship body, relates to a manufacturing method for the aluminum alloy large-sized flat ingot, and aims to solve the problem that an aluminum alloy large-sized flat ingot which is prepared according to a conventional preparation method and used for the ship body is poor in mechanical strength and corrosion resistance, and short in service life. The aluminum alloy large-sized flat ingot provided by the invention is prepared from the following raw materials for smelting in percentage by weight: 0.7-1.1% of Mn, 5.5-6.5% of Mg, 0.03-0.15% of Zr, 0.10-0.30% of Er and the balance of Al. The preparation method provided by the invention comprises the following steps: 1, weighing certain amount of such five elements of Mn, Mg, Zr, Er and Al; 2, preparing an aluminum alloy melt; and 3, carrying out semi-continuous casting to obtain the aluminum alloy large-sized flat ingot. The aluminum alloy large-sized flat ingot is applicable to the ship body.

The invention belongs to the technical field of molds, in particular to a metal casting mold. The mold comprises a machine table, a block, a concave die seat, an opening, a heat dissipation tube, a guide column, a limiting piece, a convex die seat, a sliding mouth, a concave die, a convex die, an injection port, a cold air tube, a semiconductor refrigerating sheet and a fan. The semiconductor refrigerating sheet can reduce the temperature inside the cold air tube, cooperate with the fan to blow the cold air in the cold air tube into the heat dissipation tube, reduce the temperature of the convex die seat through the heat transfer effect between the heat dissipation tube and the punch die, thereby reducing the temperature inside an opening, and facilitate the accelerating of metal cooling in the process of casting a metal, thereby shortening the casting time; the concave die and the convex die are fixed by bolts at the bottom and top of the convex die seat and the concave die seat, whena forged metal appearance is changed according to demands, processing can be conducted by replacing the concave die and the convex die, and the mold has a simple structure, is convenient to use, andis suitable for popularization.

The invention discloses a novel casting method and a casting mould thereof. The method comprises the following steps: the casting mould is immersed in molten metal(8) for casting, an upper pressure device and a lower pressure device are driven to be pressurized by utilizing the lifting force and the gravity of the casting mould, the molten metal is subjected to cavity fill, compensation shrinkage, solidification and crystallization in a mould cavity(12) at the needed pressure, and the casting mould is immersed in water for chilling, thereby improving the mechanical property of a cast. The mould is characterized in that an upper mould(4) is provided with the upper pressure device, a lower mould(10) is provided with the lower pressure device, an upper and a lower pressure plugs(1 and 9) pressurize the molten metal in the mould cavity(12) from the upper part and the lower part of the casting mould respectively, and an upper and a lower compensation shrinkage cavities(5 and 13) replenish the molten metal to the cast for eliminating shrinkage cavity and dispersed shrinkage phenomena. The novel casting method and the casting mould thereof can be used to cast various complicated thin wall aluminum alloy casts such as a cylinder cover of an engine and wheel hub of a vehicle and large-sized thin wall aluminum alloy casts such as a cabin body of a large-sized cruise missile, quickly cast a cast aluminum rotor of a motor with high quality and replace the prior casting method in large scale.

The invention provides a vertical type direct water cooling semicontinuous multi-ingot casting system which comprises a casting well, a casting machine and a casting machine transmission device. The vertical type direct water cooling semicontinuous multi-ingot casting system further comprises a melt transferring device used for transferring melt for casting ingots to a casting furnace from a melting furnace through siphoning and a casting platform allowing the multiple ingots to be cast simultaneously. The melt transferring device comprises a liquid guide pipe, a gas extracting cavity, an electric vacuum source, electric heating wires and the like. The casting platform comprises a crystallizer provided with a plurality of ingot cavities, a flow dividing tray, a funnel flow channel, a borer plug, a heat preservation cap, a liquid level controller, a cooling water tank and the like. The casting machine pulls condensed ingots out of the crystallizer through a dummy ingot bracket. According to the vertical type direct water cooling semicontinuous multi-ingot casting system, due to the fact that the structure of the crystallizer provided with the ingot cavities and the matched flow dividing tray, the matched heat preservation cap and the like is adopted, the six to eight ingots can be cast simultaneously, the production efficiency of the ingots is effectively improved, the casting time of the ingots is shortened, corresponding manpower, electric power and material resources can be greatly saved, and thus production cost is lowered.

The invention provides paving bricks for a glass kiln and a production process thereof. The paving bricks are prepared from the following raw materials in parts by weight: 30-50 parts of natural zircon sand, 30-50 parts of aluminum oxide powder, 1-3 parts of sodium carbonate, 1-5 parts of fluorite powder, 2-8 parts of silica powder and 8-16 parts of titanium dioxide. By controlling the proportionof the components reasonably and selecting an insulating material reasonably, the prepared paving bricks have excellent performance. In the embodiment process, the sand form of the prepared sand is improved. 15 paving bricks can be produced at one time in one insulating oven after the sand form is improved. The paving bricks are good in quality and high in percent of pass. In the production process, the paving bricks need not to be melted frequently, so that scattering of a feed liquid is reduced, the casting time is shortened and the production efficiency is improved.

The invention discloses a recycling system for aluminum alloy door and window waste, which comprises a furnace shell, a furnace inner shell is arranged inside the furnace shell, the inner space of the furnace inner shell forms a melting chamber, and a feeding pipe is arranged above the furnace shell, and the feeding pipe It runs through the furnace shell and communicates with the melting chamber. A discharge pipe is arranged inside the furnace inner shell, and a casting box is also included. The discharge pipe communicates with the melting chamber and the casting box. An exhaust pipe and a gas delivery pipe are arranged outside the casting box. The exhaust pipe communicates with the casting box and the outer space, the gas delivery pipe communicates with the casting box and the melting chamber, an air inlet pipe is arranged on the furnace shell, and the air inlet pipe communicates with the outer space and the melting chamber, and an electric heating layer is arranged between the furnace outer shell and the furnace inner shell. The invention prevents castings from being in contact with air during melting and casting by setting protective gas and casting boxes, and solves the problem of low casting quality caused by castings being oxidized and in contact with water vapor.

The invention provides a high-frequency welded tube cast ingot and a manufacturing method thereof. The high-frequency welded tube cast ingot and the manufacturing method aim at solving the problems that aluminum alloy tubes manufactured through an existing method and subjected to seaming brazing or seamless tubes are poor in corrosion resistance and short in service life. The high-frequency welded tube cast ingot is prepared from Si, Fe, Cu, Mn, Ti and the balance Al. The method includes the first step of weighing, the second step of alloy melt preparation and the third step of semi-continuous casting. The high-frequency welded tube cast ingot and the manufacturing method are used.

The invention relates to a method for producing a vehicle wheel (2) from a light metal material, in which the light metal material is introduced in liquid form into a mold cavity (14) of a casting mold (3). The vehicle wheel (2) is produced by means of pressurized casting, wherein the casting mold (3) is temperature-controlled in different regions to different temperatures.

A cast-steel pouring apparatus is provided, cast-steel pouring apparatus which can contribute to shortening a casting time for casting molten steel of cast steel into a sprue of casting mold. A first axial line of a first pivot shaft is positioned on a more diametrically inner side than is a first imaginary extension line of an outer-circumference wall face in a furnace-body main body, and is positioned on a more diametrically outer side than is a second imaginary extension line of an inner-circumference wall face in a fire-retardant lining material that the furnace-body main body has. As a steel-outing trough unit protrudes from a furnace body upward or upward and outward obliquely, a steel-outing leading end of the steel-outing trough unit is positioned on a more diametrically inner side than is the first imaginary extension line of the outer-circumference wall face in the furnace-body main body, and is positioned on a more diametrically outer side than is the second imaginary extension line of the inner-circumference wall race in the fire-retardant lining material that the furnace-body main body has.

The invention relates to a plant for producing a hot strip from a metal melt in accordance with the twin-roll casting process. To increase the melt throughput in the tundish to above the capacity limit of a one-stranded casting plant operating according to the twin-roll casting process and at the same time to reduce the batch casting times significantly with minimal investment and operating costs, the invention proposes a plant configuration in which a casting ladle (1) with a melt outlet (5) is assigned a tundish (6) for receiving the metal melt from the casting ladle (1), in that this single tundish (6) is equipped with at least two bottom outlets (8a, 8b) for transferring the metal melt to two twin-roll casting devices (10a, 10b), in that each casting nip (13a, 13b) is assigned at least one of the bottom outlets (8a, 8b) of the tundish (6), and the two casting nips (13a, 13b) are arranged at an angle of 15 DEG to 180 DEG , or parallel and offset with respect to one another in terms of their longitudinal extents.

The invention discloses a melting furnace capable of isolating air during the casting stage, comprising a furnace shell, a furnace inner shell is arranged inside the furnace shell, the inner space of the furnace inner shell forms a melting chamber, and a feeding pipe is arranged above the furnace shell. The feeding pipe runs through the furnace shell and communicates with the melting chamber. A discharge pipe is arranged inside the furnace inner shell, and a casting box is also included. The discharge pipe communicates with the melting chamber and the casting box. The air pipe, wherein the exhaust pipe is connected with the casting box and the external space, the gas delivery pipe is connected with the casting box and the melting chamber, an air inlet pipe is arranged on the furnace shell, and the air inlet pipe is connected with the external space and the melting chamber, and a Electric heating layer. The invention prevents castings from being in contact with air during melting and casting by setting protective gas and casting boxes, and solves the problem of low casting quality caused by castings being oxidized and in contact with water vapor.

The invention provides a V-process casting process for producing an engineering mechanical counterweight block, and particularly relates to the technical field of counterweight block casting. The V-process casting process for producing the engineering mechanical counterweight block simplifies a thin film covering method in the process, polystyrene, calcium fluoride, calcined gypsum powder, artemisinin wax, trehalose and zinc oxide whiskers are added to a coating, the wear resistance and adhesive force of the coating are enhanced, meanwhile, filled dry sands are pretreated, carbon aerogel, soybean protein and cyclic olefin copolymer are added, the air permeability of the dry sands is enhanced, the compactness is increased, the non-fleshiness, non-air-holes, non-sand burning and unfilled corner counterweight block with a bright and clean surface is finally obtained, the weight deviation of the counterweight block is kept within the range of +/-6 kg, the dimensional deviation is kept within +/-4 mm, and the product yield is up to 80% or above. The V-process casting process is simple to operate, controllable in parameter and easy to realize, and is suitable for large-scale production.

The invention discloses an intelligent mechanical type live working traction rope safety throwing device. The throwing device is suspended by an unmanned aerial vehicle. When a pulley is placed on a high-voltage transmission line, intelligent mechanical tripping is carried out by weight of the pulley and an insulation rope, which simplifies a conventional work flow. The throwing device consists ofa support frame, a transmission device, the upper pulley and a lower pulley. The support frame consists of an overall structure welded by steel plates an includes an upper section frame, a middle section frame and a lower section frame. The upper section frame is of a rectangular groove structure. The transmission device is fixedly connected to the inside of the rectangular groove structure. Themiddle section frame includes two side plates with sliding grooves. The upper pulley is connected to the sliding grooves through a pulley shaft. The lower section frame is a triangle groove. The lowerpulley is fixedly connected to the lower end face of the triangle groove through a pulley frame. The intelligent mechanical type live working traction rope safety throwing device has the advantages of short throwing time and high efficiency, and the transmission device system is stable and reliable.