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JP3554700B2 |
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JP2004223563A |
To provide an economical cassette type roller dies excellent in durability by improving wear resistance of a bearing, even in the case of using a drawing process to a material to be worked with high speed of the cassette type roller dies...
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JP3544039B2 |
To prevent a plug rod from deflecting while progressing drawing by sequentially detaching plural rod receiving members one by one from a clamp carriage every time a tube stock is drawn by a prescribed length. A plug 10 is set in the insi...
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JP2004195489A |
To improve workability and to contrive freedom from maintenance by reducing the quantity of a lubricant for a die 1 used for the wire drawing of an iridium (Ir) alloy, a rhodium (Rh) alloy, or the like and remarkably improving the wear r...
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JP3540415B2 |
PURPOSE: To provide an agitation roller of a wire drawing lubricating device which continuously produce an excellent drawing wire by stably supplying a dry lubricant on an interface between a die and a steel wire. CONSTITUTION: On a cent...
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JP3504967B2 |
PURPOSE: To provide a manufacturing method and a manufacturing device for a bending pipe having non-round cross section in a good finishing condition. CONSTITUTION: A float pipe expanding plug 12 having non-round cross section is inserte...
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JP2004066271A |
To provide a manufacturing method of a steel cord excellent in adhesive property with rubber by suppressing and reducing the generation and the increase of a lubricating film and an oxide film which are adhesion inhibitors generated at a...
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JP2004066316A |
To provide a manufacturing method of a steel wire for reinforcing rubber goods by which a lubricating film produced when performing wire drawing of the brass plated steel wire with a multistage wet wire-drawing mill is secured, the hinde...
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JP3500518B2 |
To provide a method of manufacturing a very fine wire of a gold alloy for a semiconductor device, which is useful for the higher functionalizing and the higher integration of a semiconductor device by reducing the quantity of being bent ...
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JP3498312B2 |
A cold roll forming method for reducing the diameter of a metal pipe and a metal pipe product having the diameter reduced by such method are disclosed, wherein the method includes the steps of passing a raw metal pipe through a set of pr...
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JP2004027300A |
To provide a method of producing a magnesium alloy bar wire rod having high ductility and high tensile strength.The method is provided with a temperature raising stage where the temperature of the material to be worked is raised to a dra...
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JP2004017114A |
To provide a new production method for an alloy wire material which doesnot need heating to be machined.A die 14 is heated to not less than 150°C when the magnesium alloy wire materials are produced by drawing with the die 14.
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JP2004009112A |
To provide a die assembly with steps capable of manufacturing easier than all-in-one dies with steps, and manufacturing the step shape as arranged, and corresponding to various heights and angles by only changing one part of die shapes.T...
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JP3486372B2 |
To obtain a method and a device for wire drawing capable of preventing a cassette type roller die and a wire from overheating. In a wire drawing device having blocks 2, 3, 4, 5 of plural pieces of cassette type roller dies, the device, w...
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JP2003334607A |
To provide a skin peeling die for a fine wire designed to accurately carry out centering without a centering device or skillfulness and capable of preventing disconnection or defects from being caused.This skin peeling die for the fine w...
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JP2003320413A |
To provide a shape wire drawing die by which a drawing resistance is reduced at the time of the shape wire drawing process in the manufacture of a contact wire.In the shape wire drawing die 2 for forming a groove 11 along the longitudina...
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JP3457652B2 |
To provide a wire for arc welding whose residual stress distribution is uniform by controlling a contact area generated by the contact of the wire and a die within a certain limit and by decreasing the deviation of the hardness of the wi...
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JP2003290849A |
To provide a cold forming method for diameter reduction of a metallic pipe, a method that can be carried out in a smaller equipment and machine.The cold diameter reduction press forming method for a metallic pipe is characterized in that...
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JP2003290822A |
To provide a method and device for manufacturing a lock bolt for civil engineering that has a recess for expansion without performing drawing work to a large machining degree in the center of the tube, with both tube ends left in the rou...
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JP2003290817A |
To provide a manufacturing device for a seamless tube with a grooved inner face with which the seamless tube with the grooved inner face having the large lead angle of the groove is manufactured at high productivity by smoothly rotating ...
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JP2003291056A |
To provide a wire cutting method for any object to be cut, a cutting wire and a manufacturing method for the wire, capable of enhancing the cutting efficiency and accuracy of the object and suppressing generation of a wire severance.If t...
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JP2003290818A |
To provide a manufacturing device for a tube with a grooved inner face composed of a rolled seamless tube with which the rolling load of the rolling rolls during rolling is constant and the occurrence of a change in the groove shape and ...
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JP3448905B2 |
PURPOSE: To obtain an internally grooved tube of a stable quality by providing an indicating means, by which the prescribed angle of the fixed part for attaching a roll is indicated, thereby facilitating the fine adjustment of a pressing...
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JP3447987B2 |
To simplify the work in association with the opening and closing operation of a die, and to extend the operation time of a die device. A die on-off apparatus is constituted of an apparatus main body and a plurality of die main bodies and...
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JP2003260510A |
To provide a diamond monocrystal die for drawing high strength steel wires.A plate-shaped high-strength diamond composite is composed of a diamond sintered body containing 70-95 vol.% of diamond and a diamond monocrystal of the center pa...
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JP2003251404A |
To provide a method and a device for drawing wires, by which the lowering of viscosity of lubricating oil is prevented to prevent the seizure of the wire and reduce the burden of a worker by automatically cooling the lubricating oil duri...
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JP3438533B2 |
To provide a manufacturing method for a tube having a grooved inside surface by which working speed is improved by reducing drawing force loaded on a metallic tube in the final stage of working the tube having the grooved inside surface....
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JP2003220407A |
To provide a split die and its die-nib which gives less risk of snapping, continuously forms structurally tough and strong, long and ultra-fine square wire, improves product yield and production efficiency, manufactures highly precise an...
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JP3430851B2 |
To roughly make a groove working quantity uniform in the longitudinal direction of a tube to be worked without increasing drawing force by inserting a working plug, which forms a groove on its outer face, into a hollow part of a tube to ...
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JP2003181523A |
To improve the service life of a die by preventing a dropout of a diamond grain of the diamond die used as the die in a final wire drawing process.Centering devices 20A-20C are respectively arranged for centering a final drawing die 10A ...
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JP2003170215A |
To provide a die for wiredrawing by which an improvement of the die's life and cost performance of the die can go hand in hand, and to provide a method for manufacturing a metal wire capable of inexpensively and positively realizing manu...
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JP2003170216A |
To provide a die for wiredrawing capable of preventing wire surface roughness while making an improvement of the die's life and cost performance of the die compatible, and to provide a method for manufacturing a metal wire capable of ine...
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JP3401848B2 |
PURPOSE: To enable a stable grooving by providing plural second rolls which, receiving a rotational force by coming into contact with plural first rolls, are rotated while revolving on the second circular locus with a radius smaller than...
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JP2003112218A |
To provide a method for manufacturing a thick-wall thin-diameter tube the inner peripheral surface of which has high smoothness by removing tool marks or the like on the thick-wall thin-diameter tube which are generated at initial intern...
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JP2003105411A |
To provide a process for manufacturing a continuous body which has a plurality of parts having different physical properties and different functional properties and in which no connective material is present between any of the parts.This...
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JP2003101638A |
To attain automatic answering and recording functions having user- friendliness and reasonableness for both users, i.e., the caller and the receiver.A facsimile machine 1 is connected to telephone lines A and B via NCUs (Network Control ...
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JP2003088912A |
To provide a method and apparatus for stably manufacturing an extra fine wire having a diameter of ≤20 μm in which foreign matters are mixed without breaking it.During performing ordinary drawing with a hole die, the foreign matter mi...
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JP3389802B2 |
To provide a wire capable of keeping the crystalline structure even under the hard working, high in strength and excellent in toughness. The high strength carbon steel wire contains 0.6-1.0wt.% C, is ≥1700N/mm2 in tensile strength afte...
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JP2003080308A |
To provide a seamless tube which has a smooth outer surface and an inner surface on which a plurality of kinds of grooves are formed, and to provide a method and a device for manufacturing the seamless tube having the grooved inner surfa...
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JP3384037B2 |
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JP2003062610A |
To manufacture a heat exchanger tube with inclined fins inside efficiently, which has the inclined fins formed on the inside surface and is applied to the heat exchanger for a refrigerator, an air-conditioner or the like.A grooved plug 3...
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JP3382185B2 |
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JP2003053416A |
To provide a method and a device for stably manufacturing an extra fine wire of ≤20 μm in the diameter by drawing out without cutting the wire even in the case foreign matter is mixed. These method and device are a method and a device...
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JP2003033810A |
To provide a wiredrawing method of metal fine wire for a semiconductor device which improves longevity of a die while keeping surface smoothness of metal fine wire. A desired diameter of metal fine wire 1' is produced by arranging plural...
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JP3374364B2 |
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JP2003025006A |
To provide a method capable of forming a taper body excellent in characteristics and quality at a low cost and to provide a rolling device used therefor.With the rolling device capable of forming and opening of the gap for rolling, a bas...
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JP2003019511A |
To provide a drawing method of a metallic tube, especially a stainless steel tube of not less than a certain number N, by which the tube can be drawn by manufacturing and using a die whose life up to the generation of seizure is predicte...
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JP3353018B2 |
PURPOSE: To obtain a lubricating device for continuous wire drawing in which a number of cleaning and updating of a lubricant in a die box is low. CONSTITUTION: In a lubricating device 1 for continuous wire drawing, a die box 5 having a ...
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JP3352732B2 |
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JP3345196B2 |
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