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JP2001287004A |
To provide a composite tube having good manufacturing efficiency without needing a mold, and a manufacturing method therefor. On the inner surface of a steel tube 5 where a thermal-sprayed film 3 of a self-fluxing alloy is formed, a stai...
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JP2001279367A |
To provide a roll for hot rolling made by centrifugal casting excellent in wear resistance and crack resistance. This roll for hot rolling made by centrifugal casting is composed of an external layer having a composition containing, by m...
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JP2001269759A |
To prevent generation of a defective casting skin caused by the slag mixed with molten metal during centrifugal casting. A casting device is configured such that the molten metal 3 in a casting ladle 4 is supplied into a mold for centrif...
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JP2001269760A |
To prevent the occurrence of defect such as uneven thickness of a pipe and the cold shut on a casting skin, caused by the disturbance of molten metal flow in a mold, and to supply the molten metal smoothly and forcedly along the axial di...
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JP2001269758A |
To produce short pipes for sewerage in which material waste is reduced by as much as possible by utilizing an existing producing facility of long cast pipes for drinking mater. Pipes to be joined with a pipe main body by separate joints ...
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JP2001269761A |
To provide a trough for centrifugal casting excellent in durability without giving the disturbance to the carbon concentration in molten metal. A silicon carbide-made intermediate layer 7 excellent in heat resistance and heat insulation,...
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JP2001259825A |
To provide a method for controlling the tilting speed of a ladle by which the constant molten metal pouring speed can easily be obtained regardless to the tilting angle by controlling the ladle tilting speed when the molten metal is disc...
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JP3211348B2 |
PURPOSE: To produce a roll for rolling having a fine metallic structure and an outer shell layer excellent in homogeneity. CONSTITUTION: An outer shell layer is formed of a cast steel material having a composition consisting of, by weigh...
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JP2001259823A |
To provide a method by which a coating layer having uniform thickness and high jointing strength can efficiently by formed on the inner peripheral surface of a metallic tube and by which, the coating layer excellent on chemical and mecha...
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JP2001252753A |
To provide a functionally gradient material in which the volume fraction of strengthened phase grains in a matrix is gradiently changed and simultaneously, the structure is gradiently changed at each position in a composite material, and...
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JP2001252754A |
To provide an aluminum wheel having high mechanical strength as a whole and excellent design property, and its manufacturing method.The manufacturing method aluminum wheel having a hub part with an axle fitted thereto, a disk part arrang...
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JP3210293B2 |
To produce a large quantity of particles in narrow particle dimensional range by pouring molten material on a cylindrical cooling surface rotated at a large number of rotations with the rotating axis as center, cooling from the outside t...
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JP3206093B2 |
PURPOSE: To produce a roll for rolling having a fine metallic structure and an outer shell layer excellent in homogeneity. CONSTITUTION: The roll is formed by forming an outer shell layer by using a cast iron material having a compositio...
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JP2001234289A |
To provide a roll for hot rolling in which the wear resistance of a high speed steel type alloy is secured, pit-like flaws on the surface of the roll are minimized to improve surface roughing resistance, and no carbide segregation is bro...
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JP2001234274A |
To provide a composition roll for hot rolling remarkably improved in wear resistance without deteriorating the characteristics of burning resistance and accicident resistance of a roll using a high alloy grain cast iron material.In this ...
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JP2001214990A |
To realize a thin outer layer wall of a centrifugally cast bent pipe for solid matter transport with an inner layer formed from high-Cr cast iron and an outer layer formed from well-weldable carbon steel or the like.The pipe for solid ma...
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JP2001212658A |
To provide centrifugal casting method for high speed steel cast iron, which prevents the growth of casting defects or annual-ringlike segregation which involves an oxide or solidified shell.This centrifugal casting method is characterize...
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JP3195379B2 |
For the production of tube-shaped mouldings of high-temperature superconductor material based on oxides of bismuth, calcium, strontium and copper, a homogeneous melt of the oxide mixture is allowed to run in a predetermined stoichiometry...
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JP2001205408A |
To manufacture a pipe having ruggedness on the outer periphery of a spigot by centrifugal casting. In casting the pipe 3 having the spigot 1 at one end and having a socket 2 at the other end and having the ruggedness 21 on the outer peri...
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JP2001205409A |
To obtain a casting old which is capable of inexpensively molding piles installable with one kind of piles in a large number when a plurality of piles with the helical lines are connected and driven in series. The mold for casting a pipe...
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JP2001191159A |
To prevent generation of a recess in an inner surface of a thick-walled portion in casting moldings of different wall thickness in the axial direction by a vertical centrifugal casting method, and to solve problems that a shrinkage is ge...
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JP3181518B2 |
To efficiently execute the attaching/detaching work of a bearing supporting type casting mold to a casting device. This casting machine is constituted so as to arrange one pair of rotating supporting devices 2, 2 at the front and the rea...
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JP3181519B2 |
To easily change a casting mold of a heavy wt. material and a long material. A centrifugal casting machine is constituted with a truck 2 for supporting a centrifugal casting mold body 1 formed as the cylindrical state and rotated around ...
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JP3178748B2 |
PURPOSE: To provide a centrifugal casting apparatus, in which even if speed variation is suddenly generated at the time of rotating a rotary arm high speed, a good casting quality is obtd. without loosing the fastening of the rotary arm....
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JP2001162360A |
To insert a chuck device into the inner part of a cast tube without any trouble and to easily execute the centering of this chuck device to the tube, in a drawing-out device of the tube in a centrifugal casting machine.The chuck device 7...
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JP2001162359A |
To reduce the consumed amount of cooling water in a centrifugal casting apparatus using a water-cooling metallic mold.This centrifugal casting apparatus is the one for casting a tube 13 by supplying molten metal into the metallic mold 11...
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JP2001150114A |
To prevent generation of blow hole in a centrifugally cast tube and also, generation of crack on a metallic mold for centrifugally casting this tube.The metallic mold 1 is the one for centrifugally casting the cast tube having a receivin...
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JP2001152263A |
To manufacture a hybrid functionally gradient material in which the volumetric ratio of the plate-like reinforcing phase grains and that of the granular reinforcing phase grains in the base phase of a composite material, and the orientat...
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JP2001150007A |
To provide a surface layer for a reduction roll of which the degree of carbon matter dispersion is narrow and it almost has not any segregation looking like an annual growth ring.A centrifugal foundry process forms the surface layer that...
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JP2001150005A |
To provide a method for manufacturing a surface layer of reduction roll of which the material is homogeneous and which is free from any segregation looking like annual growth ring and any crude and large dendrite.A centrifugal foundry pr...
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JP3172443B2 |
To improve the weldability of the internal layer part of a sink roll for an alkali salt bath and a hub by forming the external layer part of the roll of a material excellent in wear resistance and corrosion resistance and forming the int...
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JP3170919B2 |
PURPOSE: To easily and quickly change the interval (span) between radial roller units supporting a rotary mold at both sides of the axial line thereof from the lower side, in a centrifugal casting apparatus. CONSTITUTION: In order to sup...
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JP3163561B2 |
PURPOSE: To produce a composite roll which has excellent wear resistance and thermal impact resistance and has no possibility of chipping with shortened stages at a low cost. CONSTITUTION: A composite roll blank consisting of an alloy ca...
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JP2001113350A |
To reduce the wear loss of a molten metal pouring passage structure with molten metal. A preformed passed liner 44 formed generally by the combination of graphite or carbon and carbon fiber (filament), is applied for casting work, such a...
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JP2001115224A |
To manufacture an orientation gradient type functionally gradient material in which the volume fraction and orientation of plate-like reinforcement-phase grains in a matrix are gradiently changed simultaneously by using a composite mater...
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JP2001096351A |
To provide a homogeneous composite compound rolling roll without annual ring-shaped segregation by applying a DC magnetic field to molten metal in a centrifugal casting mold and solifing it while stirring it. In a production method for a...
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JP2001097535A |
To provide a roller for supporting a pipe when drawing the pipe from a die immediately after casting and facilitated in movement for support in the axial direction and the circumferential direction. The roller for supporting a cast pipe ...
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JP2001071120A |
To obtain a core removing device which removes a core from a bell- shaped end part of a pipe. This core removing device is provided with both of a cleaning device 46 and an exhaust device 48. The cleaning device is provided with plural w...
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JP2001062552A |
To improve production efficiency by a casting method which can lighten a cover and, perform cover mounting/dismounting securely and safely with a device of simple structure, mechanically stable and of convenient one. This centrifugal cas...
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JP3142330B2 |
PURPOSE: To provide a small sized device having simple structure, in which even a low m.p. metal can be molten and cast without superheating and vaporizing the molten metal. CONSTITUTION: At one side of a rotary shaft 10 in the centrifug...
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JP3138415B2 |
To provide a horizontal type centrifugal casting apparatus providing a casting device which casts molten metal from a desirable position along the inner surface of a mold and can prevent the development of a casting defect. In this horiz...
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JP3139182B2 |
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JP2001047207A |
To obtain a casting apparatus of a noble metal product with less blow hole. The casting apparatus 30 is composed of a mold body forming one or more of product molds 25 around a main metal flowing path 33, a driving source 44 for giving t...
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JP3133669B2 |
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JP3133273B2 |
To obtain a parts integrally melt-sticking close and solid complex layer providing drastic corrosion resistance with liquid phase sintering, particularly a centrifugal force casting tube by coating a mixed material of metallic powder A o...
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JP3129898B2 |
PURPOSE: To form a highly ductile inner layer without forming the inter-mediate layer by discharging the remaining molten ductile cast iron after forming the solidified layer of the molten ductile cast iron on the inner surface of an out...
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JP2001025861A |
To provide a hanging-down type molten metal pouring apparatus, with which the molten metal can safely be poured into a mold from a ladle with a suitable molten metal pouring speed corresponding to the pouring quantity by easily tilting t...
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JP3128932B2 |
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JP2001020008A |
To drastically improve the yield of raw material of strong oxidizing elements by providing a method, with which the reaction between the strong oxidizing elements, such as Ti, Zr, Al, and oxygen, can be suppressed as low as possible, in ...
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JP3121577B2 |
To obtain a metal or alloy having fine and uniform structure from the surface to the inner part while having molten metal pouring and solidifying cycle and high productivity by rotating a mold and pouring the molten metal into the mold f...
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