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WO/2021/140970A1 |
In this arc welding control method, first control is performed in which a welding current (Ia) is increased to a first current value (I1) of 200 A to 300 A at a first gradient (S1) and the first current value (I1) is maintained during a ...
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WO/2021/142273A1 |
A wire guide conduit is constructed from a coiled wire having an oval or elliptical cross-sectional shape. The wire is subjected to a directed energy beam to locally heat portions of the wire to create discrete areas of increased hardnes...
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WO/2021/139080A1 |
A welding method of an Fe-Al intermetallic compound microporous material with dense stainless steel, comprising the following steps: starting to inject a "welding gas" of a fusion welding machine and starting to inject a welding shieldin...
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WO/2021/138656A1 |
Provided for herein is an apparatus that includes a machine-side connection housing. The machine-side connection housing includes a machine-side connection configured to provide a welding consumable or an electrical connection to a weldi...
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WO/2021/135494A1 |
A method for modulating a high-low frequency double-pulsed MIG welding waveform having a flexible transition. The method comprises: configuring a high-low frequency double-pulsed MIG welding waveform having a flexible transition to serve...
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WO/2021/130391A1 |
The invention relates to a method for repairing shafts of wind generators by means of FCAW welding filler, comprising the following sequence: - arranging a shaft (1) to be repaired on a turning lathe (2); - inspecting the shaft (1) and l...
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WO/2021/131251A1 |
A master unit (20) has: a welding database (25) for storing prescribed operation data associated with an object to be welded; a state sensor (21) for measuring, as welding state data, a condition of welding by a robot (23) which performs...
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WO/2021/131561A1 |
The present invention is characterized by including: a superimposing step in which a front surface (1b) of a first metal member (1) and a back surface (2c) of a second metal member (2) are superimposed; and a welding step in which the fi...
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WO/2021/129671A1 |
Disclosed are a weld bead modeling method, device and system for wire-arc additive manufacture, which belong to the field of wire and arc additive manufacturing. According to the method, a dynamic parameter method is used, and different ...
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WO/2021/131560A1 |
The present invention is characterized in that: an overlapping step, in which a front surface (1b) of a first metal member (1) and a back surface (2c) of a second metal member (2) are overlapped, and a welding step, in which the first me...
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WO/2021/128580A1 |
A method for cross inspecting the offset of a welding robot, comprising the following steps: a cross-shaped groove block (1) installation step: a cross groove block is fixed to a gun cleaner, the cross groove block comprising a cylinder ...
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WO/2021/127761A1 |
The invention relates to a method for visual inspection of weld beads. In this case, it supports the visual inspection of an electric arc weld bead. It relates in particular to the welding of carbon steel and marine steel plates and tube...
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WO/2021/127762A1 |
The present invention relates to a method that uses computer vision to obtain the image of a V-groove of a plate with a known thickness. An image of the initial groove is obtained by means of cameras. By analyzing the images generated, i...
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WO/2021/127477A1 |
Welding power supplies, wire feeders, and systems to measure a weld circuit resistance via communications over the weld circuit are disclosed. An example welding-type power supply includes: a power conversion circuitry configured to: con...
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WO/2021/122222A1 |
The invention relates to a device and a method for welding a weld stud to a substrate. A welding current is applied to a weld stud between the weld stud and the substrate such that a material of the weld stud and of the substrate is part...
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WO/2021/125280A1 |
Provided is a steel wire for gas-shielded arc welding. The present invention is a steel wire for welding comprising a steel outer sheath and a filling material contained within the steel outer sheath. The steel outer sheath has an outer ...
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WO/2021/123025A1 |
The invention relates to an assembly of two concentric parts (10, 11) fitted one into the other, the central one (10) of which is cylindrical and the other of which is in the form of a disc (11) with a toothed central opening (16) for an...
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WO/2021/119787A1 |
The invention uses the principle of the pneumatic turbine and a cooling system for the entire welding torch, in which the gas used in the welding process, or even the compressed air, enters through a conduit in the axial direction to the...
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WO/2021/119870A1 |
Disclosed is a guide device that can be adapted to different wire diameters for high-productivity, mechanised cold-wire tungsten inert gas (TIG) welding, which allows increased productivity in the welding process and improves the quality...
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WO/2021/116299A1 |
The present invention concerns a method and a system for controlling a welding operation provided by a welding machine controlled by an automatic motion generating mechanism, the method comprising the steps of acquiring a set of welding ...
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WO/2021/116291A1 |
Provided are systems and methods for regulation of mass flow and monitoring of volumetric flow, for regulation of volumetric flow and monitoring of mass flow, and for regulation of both mass and volumetric flow of gas to a plasma torch f...
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WO/2021/114095A1 |
A wire feeding apparatus and a welding device. A wire guide mechanism (100) of the wire feeding apparatus comprises a guide tube (110), a fixing part (120) and clamping parts (130, 140), and the guide tube (110) has a welding wire guide ...
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WO/2021/118274A1 |
The present invention relates to a pre-stressed steel sheet and a method for manufacturing same. An embodiment of the present invention provides a pre-stressed steel sheet comprising: a base material; and a plurality of weld lines formed...
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WO/2021/114007A1 |
Provided is a multifunctional electric welding machine, comprising a welding torch (1) and a welding device (2); the welding torch (1) comprises a nozzle and a circuit unit; the circuit unit comprises a parameter input unit (11), a signa...
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WO/2021/114686A1 |
A circular seam welding method for a low-alloy steel low temperature pressure vessel tank body, comprising: processing welding ends of a tank body cylindrical shell section to be welded to satisfy the welding requirements; debugging a we...
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WO/2021/119191A1 |
A tube assembly includes at least first and second tubes configured for coupling at respective ends. The first and second tubes each include a base material, and a weld interface at the respective end. The weld interface is proximate to ...
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WO/2021/113437A1 |
A fume extractor has an extractor housing (110, 210) defining an outlet (106, 206). A hose (120, 220) is coupled to the extractor housing that defines a first inlet (102, 202). A diffusion plate (130, 230) is coupled to the extractor hou...
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WO/2021/110793A1 |
A control system for regulating an additive manufacturing process of an additive manufacturing apparatus, the apparatus configured to add metal to a substrate by means of metal deposition. The apparatus comprises: a nozzle for output of ...
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WO/2021/111759A1 |
A repair welding device comprises: an acquisition unit that acquires an external inspection result including information about the position of a defect location on a welding bead of a welded workpiece produced in final welding by a weldi...
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WO/2021/111785A1 |
This repair welding device comprises: a detection result acquisition unit that acquires outer appearance inspection results including information pertaining to defective points of welding beads on a workpiece to be welded that is produce...
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WO/2021/109612A1 |
An all-position welding method for a small-diameter pipe comprises: preparing a welding groove such that respective pipe walls of opposing ends of two small-diameter pipes to be welded form a V-shaped groove; performing tack welding at o...
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WO/2021/105209A1 |
Systems for simulating joining operations, such as welding, are disclosed. In some examples, a system may use a desktop device for conducting welding simulations, such as for purposes of training. In some examples, the system may additio...
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WO/2021/108611A1 |
Systems for simulating joining operations, such as welding, are disclosed. In some examples, a system may use a mobile device for conducting welding simulations, such as for purposes of training. In some examples, the system may addition...
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WO/2021/103880A1 |
A repair structure for the welding defect of high-alloy pipes, comprising two high-alloy pipes (1) to be welded which are placed end to end, a first temporary blocking member (5) and a second temporary blocking member (6) are respectivel...
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WO/2021/108583A1 |
Systems for simulating joining operations, such as welding, are disclosed. In some examples, a system may use a mobile device for conducting welding simulations, such as for purposes of training. In some examples, the system may addition...
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WO/2021/108592A1 |
Systems for simulating joining operations, such as welding, are disclosed. In some examples, a system may use a mobile device for conducting welding simulations, such as for purposes of training. In some examples, the system may addition...
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WO/2021/105208A1 |
Systems for simulating joining operations, such as welding, are disclosed. In some examples, a system may use a desktop device for conducting welding simulations, such as for purposes of training. In some examples, the system may additio...
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WO/2021/102807A1 |
An electric welding machine, comprising: a housing (1) having thermally conductive performance; and a circuit board (6), mounted in the housing (1). The circuit board (6) is provided with a low-voltage component side and a high-voltage c...
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WO/2021/103635A1 |
Disclosed are a welding slag clearing device, a welding machine head and a welding system. The welding slag clearing device comprises: a mounting frame (10); a slag crushing mechanism (20), comprising a slag crushing wheel (21) and an ad...
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WO/2021/099927A1 |
The invention relates to a device for removing wire from a wire bundle (3) having a wire coil, which device comprises a wire container (1), in which the wire bundle (3) having the wire coil is arranged, a support ring (7) arranged on the...
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WO/2021/099459A1 |
Provided are a curved clamping mold and systems and methods using the curved clamping mold for manufacturing objects, especially titanium and titanium alloy objects, by directed energy deposition. The methods include thermally pre-bendin...
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WO/2021/099286A1 |
The invention relates to a method for scanning the surface (O) of metal workpieces (W) wherein, during a scanning process before a welding process is carried out, a welding torch (1) with a fusible welding wire (2) is moved over the surf...
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WO/2021/100280A1 |
According to the present invention, a first number of welding conditions are stored in a first storage unit. A second number of welding conditions extracted from the first number of welding conditions stored in the first storage unit is ...
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WO/2021/099287A1 |
Method for scanning the surface (O) of metal workpieces (W), wherein, during a scanning process (AP), a welding torch (1) with a consumable welding wire (2) is moved over and towards the surface (O) of the workpiece (W), until contact of...
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WO/2021/099673A1 |
The invention relates to a method for coating a steel plate with another steel plate, wherein at least one surface of a steel plate (11 ) to be coated is provided with another, coating steel plate (12) by welding. The method according to...
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WO/2021/100358A1 |
An automatic welding system, an automatic welding method, a welding assistance device, and a program wherein the amount of correction of the welding speed is determined on the basis of the distance between an arc and the tip of a molten ...
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WO/2021/098979A1 |
The invention relates to pressure accumulators made of a dual material, to a use of such dual pressure accumulators, to an apparatus for producing such dual pressure accumulators and to a method according to the invention for producing s...
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WO/2021/099541A1 |
The invention relates to a method and to a device (1) for welding by means of a non-consumable electrode (2), wherein a welding current (I) changing in polarity at a welding frequency (fS) is applied between the electrode (2) and a workp...
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WO/2021/094233A1 |
The invention relates to a directing apparatus (103) for orienting an arc of an arc welding device (101) for arc welding, in particular for TIG welding, using a magnetically moved arc, comprising: i) a retaining device (120) having an op...
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WO/2021/094478A1 |
The invention relates to a method for ascertaining workpiece properties and/or for setting laser parameters in the laser working of a workpiece (4) by means of a laser beam (3), which method comprises the following method steps: measurin...
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