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JP6369448B2 |
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JP2018108603A |
To obtain a rear wave effect without being affected by an outside diameter and a wall thickness of a steel cylinder part such as a steel pipe at a welding bevel which is processed for a tip cutting edge and a joint of a steel pipe plie w...
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JP6349888B2 |
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JP6346889B2 |
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JP2018515707A |
The present invention is a shaft element (1) of a turbomachinery (2), particularly a composite steam turbine (4), at least two shaft member segments (1) integrally joined to each other using a weld (23). In the shaft element comprising 1...
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JP2018513336A |
[Task] The flange plate 12 is provided with a circular flange plate 12, and the flange plate 12 has a central hub 14 for attaching the flange plate 12 to the end portion of the pipe 16. The hub 14 is the end portion of the pipe 16. Forme...
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JP6324920B2 |
To provide a weld joining method of sections in which a constriction to an abutment state of the sections is small, and which can prevent the formation of a recess at a joint after grinding.A weld joining method of sections comprises: a ...
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JP6307029B2 |
To make it hard for remaining of air bubbles which form a blow hole when arc-welding is performed in a lateral attitude or an upward attitude.A welding method includes: a bevel formation process in which grooves 41, 42 are formed between...
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JP6265089B2 |
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JP6259666B2 |
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JP6255314B2 |
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JP6252104B2 |
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JP6239230B2 |
An inspection method for a welded joint formed between a pair of base metals 10, 20 with a groove part 12, 22 and an abutment face 14, 24 being formed on a joint surface Wc between the pair of base metals 10, 20, includes steps of: formi...
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JP6168077B2 |
A welding structure of a press-formed part according to the present invention is a welding structure of a press formed part made by combining and joining two parts formed by press-forming and each having an opening portion on at least on...
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JP6162397B2 |
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JP6124833B2 |
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JP6119949B1 |
While first layer welding conditions especially a welding torch angle and the amount of welding heat input, and weaving conditions shall be controlled properly and the junction depth in first layer welding shall be 20 mm or more and 65 m...
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JP6119948B1 |
As a welding wire, 0.015-0.100 mass % content of REM is done, And first layer welding conditions especially a welding torch angle, and the amount of welding heat input control weaving conditions properly using a welding wire which does i...
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JP6112215B2 |
Provided is a tack welding method that, in welding of a large-diameter welded steel pipe or tube, enables an increase in welding speed while preventing humped beads, burn through, and incomplete fusion. In the tack welding method, tack w...
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JP6083134B2 |
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JP6082276B2 |
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JP2017006957A |
To prevent the generation of spatters in welding by laser beam irradiation to an abutting surface of a ring gear and a flange of a plate.Chamfering 10 is performed on a flange 7 of a plate 6 so as to form a bevel 11 opened on an end surf...
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JP6048659B2 |
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JP2016539006A |
The present invention relates to a method of making a steel yankee cylinder 1 by welding a cylindrical shell 2 to two end walls 3 and 4, in which the cylindrical shell 2 and the end walls 3 and 4 are both yankee cylinders. Forming 1. The...
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JP6040482B2 |
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JP6037621B2 |
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JP2016198796A |
To provide a fillet welding method for a zinc-coated steel plate, by which vaporized zinc can speedily be ejected into atmosphere even when zinc is vaporized resulting from welding heat during arc welding for a zinc-coated steel plate an...
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JP2016198811A |
To provide a butt welding structure and a butt welding method for an extremely thick steel plate which enable an extremely thick steel plate exceeding a plate thickness of 70 mm to be butt-welded, secure a tensile strength of a butt weld...
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JP6025620B2 |
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JP6026727B2 |
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JP5997562B2 |
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JP5999749B2 |
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JP5994879B2 |
The lap fillet arc-welded joint (1) pertaining to the present invention is characterized in that two plates (3, 9) are lapped, and the surface of a first plate (vertical wall section (9a) of an upper-side component (9)) and the surface o...
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JP5996372B2 |
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JP5979859B2 |
This back-shielded welding method: forms notches (21, 22) in the abutting edges (15, 16) of two weld metal surfaces (2,3) that are to be brought into contact so as to form, between the two weld metal surfaces (2, 3), a slit-shaped gas su...
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JP5979665B2 |
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JP5974417B2 |
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JP5973870B2 |
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JP5971486B2 |
The invention relates to an apparatus and to a process for cohesively joining two plates (1 and 2) having differing melting points, one of which plates, the end plate (1), includes a light metal material, in particular aluminum material,...
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JP5972534B2 |
A dissimilar material joint (50) is formed by arranging a plurality of joint segments (44) consecutively in a longitudinal direction. Each joint segment (44) is formed by joining and integrating together a first member (51), an intermedi...
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JP5955125B2 |
The present invention is a turbine rotor (20) which includes: a high temperature side rotor base material (21), and a low temperature side rotor base material (22). The high temperature side rotor base material (21) and the low temperatu...
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JP5954299B2 |
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JP5954009B2 |
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JP5953744B2 |
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JP5933620B2 |
The invention relates to a method for welding rotors (30) for power generation (gas turbines, steam turbines, generators), which comprise a plurality of rotor discs (26, 27) arranged along a rotor axis (34), said method comprising the st...
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JP5935395B2 |
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JP5913210B2 |
PROBLEM: The invention aims to manufacture at lower cost a suspension arm including a bushing receiving sleeve welded to the end surface of the tubular joint portion of the suspension arm body to seal the opening in the end surface. The ...
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JP5884209B1 |
The present invention utilizes a highly functional and highly accurate welding automation technology to perform precise welding torch weaving according to the groove shape, welding posture, etc., so that a thick steel material, particula...
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JP5881421B2 |
A double-walled tube includes: a plurality of double-walled tube forming members, each having an inner tube and an outer tube, connected by welding at welding portions of axis direction end portions thereof; and each of the welding porti...
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JP5861785B2 |
A method for gas-shielded arc welding to join thick steel materials having a sheet thickness of 22 mm or more by narrow-groove multilayer welding, a bottom portion groove angle being 10° or less, and a bottom portion groove gap being 7-...
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