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JP3229795 |
To fully automate the working of die production and release a worker from a heavy muscular work by preparing the action sequence of a picking device following an assembly schedule made with an assembly and disassembly device and transfer...
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JP2001205329 |
To manufacture extruded shapes without defects such as bends and corrugation by averaging metal flow-out speed on the outlet side of a die even when they are shapes having large thickness difference and wide shapes. A flow guide having a...
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JP2001205309 |
To provide a working device for continuous shear deformation with which a shear-deformed base stock is mass-produced. This working device for continuous shear deformation is constituted of a die 1 for making the base stock shear-deform b...
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JP3214187 |
PURPOSE: To enable extrusion molding of a hollow extruded material having a projection on the part of the inside surface without causing surface defects such as streaks, difference in gloss and dents. CONSTITUTION: The length L1 of the d...
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JP2001198615 |
To provide an extruding device for composite materials to which a cooling device with which the extruding direction of the composite materials is made into the same direction as the rotary shaft of a movable wheel and changing work of a ...
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JP2001191110 |
To manufacture an extruded material having a variable cross section the cross-sectional shape of which varies in the axial direction of extrusion. In this manufacturing method of the extruded material W2 having the variable cross section...
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JP2001191109 |
To provide an extruding die for hollow material with which manufacturing cost and maintenance cost are reduced and which easily copes with a fine manufacturing. A mandrel 22 which is held by inserting it into a mandrel holding hole 18 fo...
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JP2001179328 |
To provide dies for extruding which prevent Dies Mark from produc ing and rubbish from sticking on the surface. On the bearing exit part 11 where extruded material is formed, the corner angle part 14 which is formed just behind the beari...
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JP2001145307 |
To provide a method of manufacturing a commutator having excellent bonding between a commutator and an insulating material and a cost merit. A copper material 11 is pulled by the rotation of a rotating wheel 1 into a passage 4 formed of ...
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JP2001121208 |
To manufacture an extruded shape with the fluctuation in wall thickness further suppressed by canceling the fluctuation in the extrusion force and the container sealing force, and maintaining the force applied to a die to be constant. Th...
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JP2001079610 |
To provide an extruding die for hollow shapes with which the shapes are formed at high quality and with high accuracy even when they are hollow shapes having a multiple layer in and out. With a 1st die 7 having plural entry ports 7a, a b...
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JP2001071216 |
To provide an electric discharge machining electrode for manufacturing a hexagonal cell honeycomb extruding metal mold capable of manufacture easily in a short time and a method of manufacture of this electrode and a method of manufactur...
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JP2001071025 |
To provide a hollow shape material extrusion die capable of forming a thin hollow shape material a welded member made of a material hard to extrude like an aluminum alloy, etc., by a reduced number of correcting bearing parts and its thi...
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JP2001062511 |
To position and form the deposited portion of a deposited member composed of a difficult extrusion material at a corner part by less number of corrections of bearing portion. A deposited material consisting of an extruded material is div...
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JP2001047125 |
To highly precisely form a hollow shape with high quality by correcting the bearing part at a small number of times. After branching a material to be deposited by plural entry ports 7a, 7b, passing them through these ports 7a, 7b, joinin...
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JP2001038416 |
To improve heat radiating performance of an extruded aluminum shape material with fins to be used for the heat sink (radiator) of a personal computer or audio apparatus by adopting an extruded shape material with parallel fins of small p...
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JP2001025816 |
To fully automate changing work while a die cassette assembly changing device does not interfere with other deices by arranging an elevation tray of upper/lower two stage structure capable of elevation movement/back-forth movement at the...
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JP2001001039 |
To provide an extruding method to give a bend to an extruded stock formed of a resin, a metal, etc.In the extruding method using the die shift, two dies 5, 6 are arranged on an extrusion port 12 formed in a container in a parallel manner...
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JP2001001042 |
To provide a die used for micro-crystallizing grain size of a metal work by an ECAP method which is easy in manufacture and withstandable against the extruding pressure of the metal work.In the die for micro-crystallizing the grain size ...
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JP2001001038 |
To impart twist to an extruded material by arranging two dies in parallel viewing from the front of an extruding port, attaching one die in a forward inclining state to the extruding direction and the other die in a backward inclining st...
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JP2001001040 |
To reduce back pressure applied to a mandrel at the time of hot extrusion, to stabilize the quality and to reduce the manufacturing cost of the mandrel by making the step diameter of the mandrel equal to the diameter of the parallel part...
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JP2000351041 |
To endure a tool for higher deformation working force as well as to have a simple and hard to fail structure.A work is subjected to deformation working by a deformation working tool, consisting of an upper ram supporting a punch 2, an ej...
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JP3139202 |
PURPOSE: To uniformize the flow rate of metal flowing in a bearing and to improve the productibity and quality of an extruded shape. CONSTITUTION: A baffle 3 is arranged between a die 2 having a bearing 1 whose end part is located on the...
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JP3136460 |
PURPOSE: To produce a straight orbit shaft having excellent fatigue strength and surface characteristics by drawing at a high reduction ratio. CONSTITUTION: A low-alloy steel having a carbon content of 0.35 to 0.55wt.% is used as a work ...
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JP2000334515 |
To efficiently and accurately manufacture shapes having three- dimensional shape whose cross-sectional shape is varied in the longitudinal direction.By taking a machine as structure so that a mandrel M which is attached to a mandrel plat...
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JP2000301229 |
To efficiently and precisely produce a shape stock of a three dimensional shape with changing a cross sectional shape in a longitudinal direction. The machine is constituted so that, by means of a drive device 4 arranged outside a contai...
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JP2000288623 |
To provide an extruding device for copper products capable of preventing the deteriorating of the quality of the extruded products without increasing the cost of the device or extruded products. This device is provided with a wheel 1 on ...
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JP2000288624 |
To stably determine the dimension and shape of an extruded product by including an arbitrary position of the contour of an extrusion die opening as a reference point, obtaining the diameter of a circle to be inscribed with at least two p...
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JP2000288675 |
To obtain a material expressing superplastic characteristics which maintains the initial shape by continuously applying intensive working. This device is composed of a die A, a supporting mechanism B supporting the die A and a rotational...
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JP3119023 |
PURPOSE: To provide a method and device for extruding a twisted body by which the pitch of twist of formed product to be extruded is shortened and the load for compressing the material to be formed is reduced. CONSTITUTION: The material ...
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JP3119022 |
PURPOSE: To provide a method and device for extruding a twisted body by which the pitch of twist of formed product to be extruded from a die is shortened and the under fill in the cross-sectional shape is prevented. CONSTITUTION: In an e...
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JP2000280021 |
To smoothly separate male and female dies of a die in the axial direction. With separating claws 21 and 21 installed in a mutually opposing way on a common moving base 25, a clamp unit 31 to fix a die W between the separating claws 21 an...
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JP3118206 |
To secure stable production of extruded products with improved surface properties by making the surface roughness of the part near the bearing surface of rear relief rising surface of the outlet of die for extrusion be ≤specidied value...
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JP3114844 |
To provide an extruding die for a honeycomb structure such that the working manhours can be reduced for the material supply holes. The extruding die 1 is composed of a forming part 2, which is formed with mutually connected slit grooves ...
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JP2000263126 |
To easily provide an extruded shape of changed sectional wall thickness by providing a restrictive jig having the analogous inner shape smaller in diameter than the outside diame ter of a circumscribing circle of a shape to be extruded f...
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JP3113100 |
PURPOSE: To provide a die for extruding multi-hole pipe which can prevent lowering of the service life of a machining tool accompanied with ultra multi- hole machining to the multi-hole pipe, and the multi-hole pipe which can satisfy the...
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JP2000254753 |
To permit taper working for a curved part of a backer by eliminating a cutting defect due to a difference in the cutting speed of a surface and a rear face in taper working of the curved part by gas fusion cutting. The opening part of a ...
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JP2000254751 |
To provide a forging method with a punch stroke length, in which working is done with a die of good shaft reduction capability, capable of preventing a forming defect of jamming, etc. suitable for an arbitrary working condition and in a ...
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JP2000246330 |
To obtain a die structure of long service life at a fast extrusion by finishing a male die mandrel part surface in a specific roughness first for chemically finishing TiN and TiC layers with a plasma chemical evaporation method and, furt...
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JP2000246328 |
To restrain generation of a burr even an extrusion molding processing under a condition of high extrusion ratio by making a container sealing part to be a concentric circular convex shape against an axial center, and making a flow guide ...
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JP2000246329 |
To make a molding of an extrusion material possible even under a condition of high extrusion ratio and, materialize a fast extrusion by making a molding hole of the extrusion material one and, arranging it at a central part of a die, set...
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JP2000237816 |
To obtain an extruded shape having good surface state without surface defects such as a die mark and chipping by controlling the surface roughness in the edge parts on the stem side of a bearing. This extruding die 10 has a slit 11 havin...
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JP2000218316 |
To improve metallic foil productivity by effectively reducing extrusion ratio. In an extrusion molding device 10 for extrusion molding a metallic foil 44 via slits 18 formed on a die 20 by pressing a billet 24 inputted in a hollow part 1...
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JP2000197915 |
To provide an extrusion die with a flow rate regulating function which is easy in regulating the flow rate balance of a material between a thick wall formed part and a thin wall formed part, and capable of an extruded stock of excellent ...
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JP2000197914 |
To provide a die for extruding a hollow stock which is unnecessary for changing a whole male die even when a forming projecting part is damaged, economically favorable, versatile, and capable of reducing the assembly man- hour. A male di...
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JP2000197913 |
To provide a method and a device for impact-extruding a bottomed container of approximately rectangular section which is excellent in strength by suppressing the uneven wall thickness of a side wall on the long side. In a method for impa...
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JP2000176588 |
To provide an impact extrusion forming device capable of preventing a deformation of a bottomed container at the time of being released from a die.In an impact extrusion forming device for a bottomed container M which deforms a material ...
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JP2000176536 |
To provide an extrusion die device capable of preventing a tong part of the die from deforming by an extrusion pressure, improving a production yield and preventing breaking of the tong part.Relating to an extrusion die device provided w...
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JP2000176537 |
To provide a die for variable cross section extrusion and a variable cross section extrusion method capable of easily forming a molded member having a desired cross sectional shape appropriately adjusted in a web length and a flange widt...
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JP2000167619 |
To obtain an extruded stock small in generation of the twist during the extrusion by allowing a stock inlet side relief part of an extruding die to have elliptical shape or polygonal shape having smooth angle.A stock inlet side relief pa...
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