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JP2005002688 |
To provide a disassembling attachment, and a disassembling machine, easy and inexpensive in installation to an existing work machine, capable of cutting even a cutting object of the relatively large size, and applicable even to a relativ...
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JP2004351449 |
To enhance the cutting quality of a product, especially, the cutting quality of a hole in plasma arc cutting.A plasma cutting device (1) is a device for cutting out a product from a plate (W) in the following manner. The plate (W) is cut...
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JP2004344926 |
To provide a manufacturing method of sealed container in which small-diameter holes on the surface of a lid plate for sealing the opening part of the container storing components can be easily welded in a short period of time and surely ...
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JP2004344914 |
To provide a ring-shaped member manufacturing method by which the welding time and the welding energy of both end parts of a ring-shaped member are reduced, and the amount of scattering spatter is also reduced.The ring-shaped member manu...
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JP2004337964 |
To suppress the occurrence of a blowhole and slag in a weld zone while allowing such an effect as an increase in a perforating speed by the heat of oxidation and suppression of the occurrence of an explosion to be obtained by including o...
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JP3618434 |
To secure generation of the pilot arc, and stably keep the arc by providing an auxiliary power supply connected in series to the output of the power supply for the main arc, and making the sum of the output from each power supply as the ...
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JP2004322147 |
To provide plasma welding equipment capable of performing smooth transfer from a pilot arc to a main arc and assuring welding quality at the time of main arc ignition.The plasma welding equipment is so constituted that the smooth transfe...
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JP2004322189 |
To realize an inverter circuit with which the output control at high speed and high accuracy can be obtained with a simple constitution without depending on the speed of a driving circuit, and a surge voltage is restrained.In the full-br...
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JP2004314181 |
To facilitate the exchange of consumables such as an electrode and a nozzle while suppressing complication of structure and cost increase in a plasma torch.An electrode 3, an insulation guide 5 and a nozzle 7 which are fitted to each oth...
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JP2004298940 |
To provide an electrode for plasma torch which can extend the electrode life and to provide a plasma cutting method using it.In the plasma cutting method using the electrode for plasma torch which has an electrode material 3 inserted int...
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JP2004298896 |
To provide a groove working method which can work, at low cost and with accuracy, a groove that is less affected by weld heat and that realizes deep penetration in composite welding using laser and arc, and to provide a laser/arc composi...
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JP3604103 |
To improve the quality of a joint, to reduce blow holes, to unify the depth of penetration, and to smooth the bead surface in the welding of an aluminum roller. A ring-shaped boundary part between a flange and an aluminum hollow cylindri...
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JP2004268089 |
To provide a steam plasma torch which increases the quantity of liquid to be stored, prolongs the working time related thereto, solves a problem of seizure, and enhances operability of the torch.The steam plasma torch to generate plasma ...
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JP2004265902 |
To provide a method of manufacturing a semiconductor device and a semiconductor wafer cutting device by which protective sheets can be prevented from being thermally damaged at the time of cutting semiconductor wafers by plasma etching.D...
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JP3594450 |
To provide a cutting jig capable of conducting set up prior to cutting in a short time and improving a work efficiency. A length in the axial direction of a small diameter part 21b of an inner cylinder 21 is made longer than an axial dir...
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JP2004249356 |
To provide a galvanized steel sheet welding device that can stably secure zinc removing performance and welding performance after removal of zinc.The welding device is equipped with a preceding torch 14 which moves relatively to galvaniz...
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JP2004243374 |
To enhance welding efficiency and welding position precision in a plasma torch used for high temperature working such as welding, cutting, thermal spraying and heating.In the plasma torch, the tip of an insert tip 10 is provided with a p...
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JP2004238722 |
To provide a high-strength steel strip which is used for automobiles, industrial machines, etc., can be stably welded by plasma welding without causing burn through or high-temperature cracking even at a high welding rate, and is excelle...
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JP2004237321 |
To provide a plasma processing device where the correct discrimination of the service life in each of a plurality of consumables (electrodes and/or nozzles) can be performed, therefore, each consumable is efficiently used, so that the re...
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JP3585094 |
To eliminate misarc of a pilot arc at the time of stopping a main plasma arc in an AC plasma device using a water cooling electrode. Between a water cooling electrode 1 and a top end tip 2 encircling its surrounding side face, a pilot ar...
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JP3584593 |
To simplify the producing process of carbide by arranging a graphite electrode and a metal electrode via space in a vacuum vessel and generating pitch plasma in a state in which a rare gas is flowed into the space. An electrode 1 made of...
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JP2004209525 |
To provide a method and apparatus for powder plasma welding which can weld a plurality of workpieces.This apparatus includes powder composed mainly of the same ingredients as an object to be welded, a feeder 2 for feeding the powder to t...
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JP2004195488 |
To remarkably elongate the service life of a nozzle by evading the damage of the nozzle caused by spatters generated on piercing and further supplying deterioration in the nozzle caused by a pilot arc.In the working method, a first heigh...
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JP2004188465 |
To attain the prevention of the sticking and deposition of dross, the improvement of productivity by the shortening of a cycle time, the reduction of running cost and man-hour, and the improvement of reliability by securing coating the c...
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JP2004174586 |
To prevent interference of a work with a nozzle by simply and easily correcting deviation between a point of irradiation of beams or the like and a machining program when performing the machining by inclining the nozzle in a laser beam m...
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JP2004160552 |
To provide an improved type apparatus and method for reducing the corrosive effect of an arc to both of an electrode and a nozzle.In the plasma arc torch and method related thereto, selective switching is performed for a working mode and...
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JP2004160554 |
To provide a gas supply system for constantly maintaining working gas composition to be fed to a plasma cutting torch.An oxygen gas flow path 30 and nitrogen gas flow path 50 join each other to a mixture gas path 70 to be connected with ...
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JP2004160555 |
To reduce wear of a nozzle or an electrode in oxygen plasma cutting.Hafnium or zirconium is used for an electrode material, and pure nitrogen gas is used as a working gas in forming pilot arc. A mixture gas of oxygen and nitrogen at 70-9...
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JP3558700 |
PURPOSE: To provide a plasma arc cutting torch capable of obtaining the section of excellent quality with small bevel angle. CONSTITUTION: A plasma arc approaching part 803 of inverse conical shape having the conical angle θ smaller tha...
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JP2004150432 |
To repair a stationary shroud that has previously been in service.The stationary shroud (24) of a gas turbine engine made of a base metal is repaired by removing any damaged material from a flow-path region (40) of the stationary shroud ...
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JP2004141939 |
To improve the reliability of welding by suppressing welding defects.The welding equipment is provided with a welding torch for subjecting base metals to arcing, a driving-gear for driving the welding torch, and a controller for controll...
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JP2004130346 |
To provide welding equipment that can surely increase fatigue strength of a weld zone.In the welding equipment 10, an MAG welding torch 12 and a plasma welding torch 14 are arranged side by side. The MAG welding torch 12 joins a first an...
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JP2004114054 |
To provide an inexpensive method for efficiently forming the porous aluminum layer only on a required part, and a shock-absorbing member manufactured by the method.In this method, a porous aluminum layer 31 is formed on a base metal by g...
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JP3542571 |
To provide a cutting device capable of easily and efficiently cutting various kinds of work pieces in safety. A table 16 has a permeable supporting surface, and a gantry 30 is mounted movably between longitudinal both ends of the support...
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JP2004090091 |
To reduce or eliminate hot cracks and stress corrosion cracks.A molten pool 14 is formed on a base metal for a material liable to be stress-cracked. While the temperature of the hot metallic molten pool 14 is substantially in a prescribe...
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JP3534664 |
To obtain a plasma arc torch system for effectively removing a process fluid of a pre-working and quickly filling the process fluid of the next working. This plasma arc torch system 10 comprises; a process fluid supply system having a to...
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JP2004082214 |
To provide a welding raw material which can surely obtain a good weld zone by preventing the occurrence of weld defects, a method for manufacturing the welding raw material, a method for manufacturing welded articles, and an automotive b...
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JP3531885 |
PURPOSE: To obtain a highly versatile plasma torch without using high-frequency wave at the time of pilot arcing by narrowing the passing area in cooling water passing spaces in the drainage of the electrode base through the movement in ...
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JP3531889 |
To quantitatively broaden the working range of an arc even though the heat centralization of the arc is high by rotating and driving a nozzle member with a work directive line as an essential center by a driving mechanism. In accordance ...
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JP3531682 |
PURPOSE: To reduce the thermal load at a nozzle and to improve the durability, by making the length of a straight pipe part and the thickness of the nozzle end, to the diameter of the nozzle port of the nozzle, in a specific times, and m...
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JP2004074395 |
To provide an improved method for repairing components of a turbine engine.The method for repairing the components such as blades used in the turbine engine comprises the steps of: placing a piece 16 of a refractory metal material over a...
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JP2004074195 |
To reduce dust floating on a surface layer by always taking out the slag and scrap generated with water plasma cutting and precipitated in a water tank and circulating the water received in the water tank.Mounting portion 1 for mounting ...
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JP2004074254 |
To provide a cutting machine equipped with an easy torch hood with long life by using of plasma arc or laser capable of efficiently shielding sputters and easily watching cutting conditions and changing torch supplies, and a cutting meth...
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JP3528694 |
To widen an application range of a plasma welding machine by narrowing the gap down to the dimension capable of surely performing plasma welding even in the case of a large gap of a work at a welding section. A pressure type plasma weldi...
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JP3526942 |
PURPOSE: To precisely set gas flow rate and execute fine regulating in supplying plural different kind gases to plural torches. CONSTITUTION: A fixed flow rate element B is connected to plural torches 4a-4e selectively mounted to plural ...
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JP2004059960 |
To provide a coated member having a coating layer formed by means of cladding by welding on the surface of a base material by which erosion resistance and wear resistance can be effectively imparted to the coating layer and furthermore c...
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JP3522808 |
PURPOSE: To provide a torch exchanging system which can judge whether or not the torch to be automatically exchanged reaches its life. CONSTITUTION: Preliminary torches 75 are surely fixed to an indexing plate (stocker) 77 to hold a plur...
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JP2004050237 |
To provide a steel pipe cutting device capable of preventing deposition of molten metallic particles even if a steel pipe end is cut off by air plasma.The steel pipe cutting device is equipped with a plasma torch which is mounted, for th...
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JP3518401 |
To surely fill a hole formed in a work with molten metal at the welding starting time. Welding current is impressed between a torch and the work based on prescribed welding current value data through a control part 59 during the interval...
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JP2004025268 |
To provide an overlaid guide member of excellent wear resistance to a slip velocity in an extensive range, and a method for manufacturing the guide member at a low cost.In the overlaid guide member of excellent wear resistance having an ...
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