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JPH06226332A |
PURPOSE: To comparatively easily extrude a semihollow material of high strength series aluminum alloy such as A2000 series, A5000 series and A7000 series, etc. CONSTITUTION: A mandrel 2 and a forming hole 7 into which a tongue forming pa...
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JPH06210342A |
PURPOSE: To enable secure removal of a discard and to improve the life of a tool without damaging the tong part of a die when the discard is cut off. CONSTITUTION: An extruding tool 3 is constituted of a die 4 having the tong part 10 on ...
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JPH0655329B2 |
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JPH0627208Y2 |
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JPH06190437A |
PURPOSE: To enable the extrusion molding of a wide material using a small die in size by controlling the metal flow of an extrusion which is passed through the curved molding slit of the die. CONSTITUTION: The die 2 is the one whose mold...
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JPH06504727A |
Twin metal billets are fed to dual circumferential grooves formed in a rotating wheel. The billets are advanced first to a wedge-shaped gap which deforms the billets and are then advanced to a die. The die has a die opening with a circum...
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JPH06134518A |
PURPOSE: To smoothly allow to flow a material passing through the inside, and to extrusion-form the extruded material with excellent surface property without generating a chatter especially even in an extrusion of a soft alloy such as a ...
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JPH06134519A |
PURPOSE: To prevent the bent of a special-shaped extruded material from generating by cooling a thick wall part with a coolant just after extruding the extruded material consisting of a thick wall part and a thin wall part. CONSTITUTION:...
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JPH06128606A |
PURPOSE: To easily produce a round bar of sintered hard alloy with a high- precision spiral holes at the time of producing the material for drilling with a spiral holes by extrusion by improving a nozzle and a jig to be set in the nozzle...
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JPH06114435A |
PURPOSE: To suppress deformation and wear of the material contacting part of a die and to suppress deformation of a die itself. CONSTITUTION: An alloy ring 20 made of Ni base or Co base heat resistant alloy is tightly fitted on the inner...
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JPH06114436A |
PURPOSE: To provide a die for extrusion of hollow stock capable of suppressing the generation of recrystallization in the pressure bonded part and producing an extrusion stock with few surface recrysatallization. CONSTITUTION: An extrusi...
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JPH06106233A |
PURPOSE: To almost maintain the outer diameter of a part passing through a die and that of a part after passing through the die at specified values to equalize the diameter of the middle part by making the outer diameter of a mandrel sma...
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JPH0699217A |
PURPOSE: To change a die only and to improve time-saving, workability, safety, productivity. CONSTITUTION: This is a die changing tool for an extruding press mounted between a die stem and a die handling device arranged in parallel with ...
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JPH0691324A |
PURPOSE: To reduce a rising time of extrusion by forming rugged stripes on the surface of an inner peripheral wall enclosing an extruded material circulating part behind a formed gap in the extruding direction. CONSTITUTION: Rugged strip...
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JPH0620676B2 |
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JPH0620566B2 |
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JPH0620675B2 |
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JPH0620565B2 |
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JPH0681544A |
PURPOSE: To stably exhibit a stereoscopic pattern. CONSTITUTION: A frame member 1 having a groove 4 adapted to be fitted therein with a glass pane, the fitting groove 4 having an inner groove wall 2 and an outer groove wall 3 in a double...
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JPH0647429A |
PURPOSE: To precisely estimate an extruding load in a hot extrusion of metal. CONSTITUTION: A deformation resistance as the basis in the estimation of the extruding load, is obtd. based on an item composed o of the constant of each mater...
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JPH0631332A |
PURPOSE: To provide a decoration shape material revealing various stereographic patterns and a method for forming such decoration shape material. CONSTITUTION: In the decoration shape material, a decoration wall 2 of a fundamental shape ...
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JPH0623427A |
PURPOSE: To provide the method for charging the extrusion container with the billet by surely carrying out alignment between the billet and the container. CONSTITUTION: In the method where both ends of the billet 6 are sandwiched and hel...
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JPH065711U |
[Purpose] Improves the quality of extruded products by reducing the load acting on the abutting and die members during extrusion [Constitution] In continuous extrusion by the Conform method, the material to be extruded is pulled out and ...
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JPH0615348A |
PURPOSE: To prevent seizure between a bearing part and a work and to work a work stock excellent in surface smoothness by forming a die body constituting a bearing part from cemented carbide material and adjusting the surface roughness o...
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JPH0615347A |
PURPOSE: To prolong the life of dies and to manufacture a fine half hollow material at the neighborhood of openings by forming clearance between a tong formed part and a joint part and joining both of them with a joint member through the...
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JPH067835A |
PURPOSE: To prevent generation of a thickness deviation in a hollow extruded shape by fitting a cylindrical member for preventing center deviation, which is inserted tightly into the extrusion opening of a die, on the tip of a mandrel at...
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JPH067836A |
PURPOSE: To make it possible to assure the lighter weight, stronger reinforcement and good bendability of the grids of batteries by constituting a core material of a high tensile strength fibrous material, etc. of a composite wire coated...
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JPH06512U |
[Purpose] It surely prevents the end face cracking of the cemented carbide ring and the chipping of the outer peripheral edge that occur during the piercing operation, prolongs the tool life, and prevents the inner surface of the hollow ...
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JPH06532A |
PURPOSE: To easily work a die for producing the die by taking such a constitution that an annular die for forming welding chambers different from and independent of both male and female dies is arranged between both dies. CONSTITUTION: A...
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JPH05337538A |
PURPOSE: To form by extruding an adequate clad pipe having both of inside and outside layers which are continuous in the circumferential direction. CONSTITUTION: A forming male die 8 is provided with inside layer forming port holes 12-15...
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JPH05329532A |
PURPOSE: To form a torsion part in a hollow stock with high precision by providing a part for increasing a moving speed of a billet in an outside peripheral part of the torsion part, in the end face which faces a male die of a bearing pa...
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JPH05305332A |
PURPOSE: To reduce top and peak extrusion pressure and enlarge a range which can be extruded by optimizing the combination of a flowing in angle of material into a die, a hole diameter of the die, a tapered angle of the tip part of the m...
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JPH05285531A |
PURPOSE: To efficiently produce and work a die member excellent in shape precision by arranging a shaping member having a shaping hole to shape the shape of an extrusion material at a position near the outlet side of a forming hole of a ...
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JPH05253613A |
PURPOSE: To enable using a mandrel to the use limit due to wear of a nitrided layer by having the nitrided layer of which the depth from the surface on the outer layer part except its thread part of the mandrel is deeper than a specified...
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JPH05228529A |
PURPOSE: To prevent the degradation in the hardenability of the internally finned pipe by scale formation by forming scale on the surface of a mandrel to prevent seizure and easily executing the scale formation in the extrusion forming o...
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JPH0565412U |
[Purpose] Prevents the mandrel from retreating during extrusion of the fixed mandrel cycle. [Constitution] A half-split stopper is attached to the stopper tube attached to the frame on the side of the main cylinder, and a stopper rod tha...
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JPH0558808B2 |
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JPH05208211A |
PURPOSE: To prevent the inner peripheral surface of an obtained extruded hollow-shaped aluminum shapes from being flawed. CONSTITUTION: Before a male die 1, female die 2 and die ring 3 into which both these dies 1, 2 are fit are combined...
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JPH05169137A |
PURPOSE: To form a three-dimensional extruded stock having a hollow part and a solid part in the lengthwise direction by constituting the extruding die so that a hollow stock is subjected to extrusion forming in the case of a state that ...
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JPH05154539A |
PURPOSE: To efficiently manufacture a metallic pipe having an eccentric round hole in good dimensional accuracy by using a specific mandrel and a die having eccentricity to the axis of the mandrel and hot-extruding in the condition of fi...
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JPH05154540A |
PURPOSE: To enable smooth extrusion work to a shape material having unsymmetrical and complicate cross sectional shape in high dimensional accuracy by further arranging a caliber for extruding a dummy material besides a caliber for extru...
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JPH0544306U |
[Purpose] The time and labor required for the welding process and the strain removing process for joining the flexible plate are reduced. [Constitution] An annular slit 12 having a gap of a predetermined dimension α is formed on the fro...
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JPH05115918A |
PURPOSE: To provide a perforated formed material extruding die which can securely extrude a prescribed form of perforated formed material having no thin wall, no underfill, etc., on a partition wall and hardly wear/defect a male die, fur...
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JPH0532146B2 |
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JPH0596306A |
PURPOSE: To prevent thickening in both end parts of seamless metallic tube which is obtained by rolling an extruded tube for reducing its outer diameter with a stretch reducer. CONSTITUTION: Tapered parts 62, 64 are provided in both end ...
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JPH0576925A |
PURPOSE: To improve that efficiency and productivity by supplying partition fins from a through hole mounted on a mandrel, extruding a metallic pipe from a clearance between the mandrel and a die and inscribing the partition fins in the ...
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JPH0569036A |
PURPOSE: To integrally extrusion-mold a hollow part and a solid part by sliding a core in the axial hole of a mandrel and freely opening and closing a communicating hole. CONSTITUTION: When the core 2 of the mandrel 9 closes the communic...
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JPH0569034A |
PURPOSE: To execute mandrel extruding with use of an ordinary extruder by a single acting press. CONSTITUTION: A special dummy 1 having a T-shaped side view wherein a mandrel bar 5 is provided to a dummy block 4 in a cantilever state is ...
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JPH0557338A |
PURPOSE: To provide an extruding die capable of adjusting easily and quantitatively a metal flow without damaging the die body. CONSTITUTION: A metal flow adjusting rib 3 is formed at the neighborhood of a bearing part 2 on the inflow si...
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JPH0531527A |
PURPOSE: To form the member having different sectional shape partially with the extrusion method. CONSTITUTION: A shape of member having max. area which can be imaginable is drilled at a die 300 close attached to a container continuously...
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