Abstract: The present disclosure shows a robot module having a cell frame and a robot, wherein the cell frame has a base plate at which the robot is mounted and has at least one cell wall connected to the base plate, and wherein the robot module is equipped with a control module for the robot. The present disclosure furthermore comprises a feed module which is connectable to the robot module.

Abstract: An arc welding apparatus includes: a detector configured to detect whether it is in a short state or an arc state between a consumable electrode and a welded article; a feed adjuster configured to apply a forward feed for feeding the consumable electrode when the arc state is detected and apply a reverse feed for feeding the consumable electrode when the short state is detected; a determiner configured to determine whether or not a predetermined period has elapsed after the detector has detected the short state; and an instructor configured to instruct the feed adjuster to continue the reverse feed even when the arc state is detected, until the determiner determines that the predetermined period has elapsed.

Abstract: In certain embodiments, a system includes a master node device. The master node device includes communication circuitry configured to facilitate communication with a welding power supply unit via a long-range communication link, and to facilitate wireless communication with one or more welding-related devices via a short-range wireless communication network. The master node device also includes control circuitry configured to associate the one or more welding-related devices with the short-range wireless communication network. The master node device further includes means for manually initiating association of the one or more welding-related devices with the short-range wireless communication network.

Abstract: A method for semi-automatically reconditioning a railcar articulated connector that comprises a male portion including a parent casting material is provided. The method comprises applying weld material to a male portion of an articulated connector, mounting a housing mounting a housing defining an interior space to the male portion, the male connector within the interior space, centering and stabilizing the fixture laterally on the male portion, inserting a clamping mechanism attached to the housing within an opening of the male connector to affix the housing to the male portion, securing the clamping mechanism to a surface of the male portion, and automatically machining at least a portion of the weld and/or parent casting material.

Abstract: A workpiece mounting system mounts a sunroof member to an inner panel of a body. The workpiece mounting system is provided with a first robot, a second robot, and a control device for controlling the first and second robots. The control device performs a step of calculating as positional information the position of the sunroof member and the position of the inner panel by a CCD camera of the first robot, a step of holding and conveying the sunroof member by the first robot on the basis of the positional information and positioning the sunroof member relative to the inner panel, a step of temporarily fixing the sunroof member to the inner panel by the first robot, and a step of finally fixing the sunroof member to the inner panel by the second robot on the basis of the already calculated positional information.

Abstract: The inventions disclosed by this application are for a cladding apparatus, a cladding head, and a method of cladding a relatively planar solid object such as a boiler waterwall. Cladding of non-horizontal surfaces is complicated by the effects of gravity as melted clad material trends to runoff the surface before the cladding material bonds to the appropriate location. The disclosed inventions overcome these limitations by controlling the relative angle of application by either rotating the workpiece or the cladding head through a pre-programmed sequence. Also presented in a compact design for a laser cladding head that facilitates such cladding by minimizing movement of the laser fiber and improves cladding speed over irregular shaped objects.

Abstract: A robot system, includes: a robot; a camera configured to capture an image of operation of the robot; and a circuit configured to: control the robot so as to perform work in accordance with work contents information preliminarily stored to indicate a series of work contents; save image information captured by the camera during work performance by the robot in association with time information; and display the saved image information together with the time information.

Abstract: A device for the attachment of correction weights for unbalance correction to a rotary body includes a supply unit (15) for supplying individual correction weights, an attachment device (2) for applying the correction weights to the rotary body and including a first receptacle (6) for a first correction weight and a second receptacle (7) for a second correction weight, a feed unit (16) for feeding supplied correction weights to the receptacles (6, 7).

Abstract: A head tool changer for use with a deposition-based digital manufacturing system, the head tool changer comprising a tooling unit configured to retain a deposition head, a grip unit configured to engage with tooling unit and to relay electrical power to the tooling unit, and a master unit operably mounted to a gantry and configured to engage with the tooling unit and to relay electrical power to the tooling unit.

Abstract: A dual roll fabric welding or seaming machine is configured to seam pieces of sheet material to one another as the pieces move downstream. The machine includes modular gantries and various actor devices which may be readily mounted on any of the gantries to interact with the moving sheet material to achieve various functions, such as seaming pieces of sheet material together, forming hems, applying grommets to the sheet material, printing on the sheet material, connecting reinforcement strips or ropes to the sheet material and cutting the sheet material.

Abstract: A method of repairing service-induced surface cracks (92) in a superalloy component (90). A layer of powdered flux material (100) is applied over the cracks and is melted with a laser beam (98) to form a re-melted zone (104) of the superalloy material under a layer of slag (106). The slag cleanses the melt pool of contaminants that may have been trapped in the cracks, thereby eliminating the need for pre-melting fluoride ion cleaning. Optionally, alloy feed material may be applied with the powdered flux material to augment the volume of the melt or to modify the composition of the re-melted zone.

Abstract: A welding support system, for example, formed as a wagon or cart, includes at least one shelf having configurable support components for supporting different configurations of welding equipment, and legs interconnecting the shelve. The at least one shelf is angled in a manner that provides enhanced visibility of and/or access to welding equipment supported thereon.

Abstract: A welding workbench assembly comprises a base. The welding workbench assembly further comprises a first wraparound barrier comprising at least three panels, including a first panel, a second panel, and a third panel. The second panel is adjacent to the first panel at a first end of the first panel and the third panel is adjacent to the first panel at a second end of the first panel. The welding workbench assembly further comprises a second wraparound barrier comprising at least three panels, including a fourth panel, a fifth panel, and a sixth panel. The fifth panel is adjacent to the fourth panel at a first end of the fourth panel and the sixth panel is adjacent to the fourth panel at a second end of the fourth panel.

Abstract: A robot skeletal component may be configured to support and power a robot. The skeletal component may include an elongated inner core and a battery coupled to and substantially circumscribing the inner core. The robot skeletal component may be configured to connect to a joint via a quick release flange. A casing may enclose the battery. The casing may be configured to seal punctures. The robot skeletal component may include a heating element to heat the battery. The robot skeletal component may be configured to transport fluid, data, and/or electrical power. The inner core may include a plurality of surface elements to transfer data and/or electrical power. The inner core may include a hollow interior, and the hollow interior may include a plurality of non-interconnected chambers configured to transfer fluid. The inner core may include insulators to insulate the inner core from the surface elements and/or the fluid.

Abstract: A weldhead assembly is disclosed. The weldhead assembly comprises a welding torch, an AVC subassembly mounted on an oscillation base adapted for movement back and forth across a weld joint, the AVC subassembly adapted for movement of the weldhead closer to and farther from a weld joint, and a motor adapted for driving the movement of the AVC subassembly, the motor mounted on the oscillation base.

Abstract: At least one stiffening bead (32) is formed by arc welding on a surface of at least one of metal members in addition to a fillet bead (3) formed by fillet arc welding. The stiffening bead (32) is formed to have an angle of 45° to 135° with respect to the fillet bead (3) and to overlap with the fillet bead (3). The sum total l1 of lengths of stiffening beads (32) can be, for example, 0.5 times or more of a length L of the fillet bead (3).

Abstract: A weld sequence editor (WSE) for generating a weld sequence used by a welding job sequencer. Systems and methods to help a user generate a weld sequence are provided. The weld sequence editor allows a user to create a flow chart of the functions for completing a set of work instructions and allows the user to organize the functions into logical groups of steps. The logical groups of steps may be numbered, named, and the first function of each group may be identified. When a weld sequence is executed, each logical group is a defined visible step to an operator. The logical groups are used to organize information and progress through a set of work instructions while multiple background functions execute without complicating the operator's view of the work flow. The weld sequence editor provides a method to organize the same work instructions into a detailed viewpoint for a user of the editor, and a summarized viewpoint for the operator of a work cell.

Abstract: The present invention relates to a welding booth that has a small foot print and can be joined to other booths for maximization of floor space use.

Abstract: A multi-function and multi-vehicle-type common-use robot apparatus may include a robot; a frame attached to an arm of the robot; a plurality of sliders assembled to the frame to slide in a predetermined direction, and a common-use unit which includes an upper welding gun, a lower welding gun, and a component that performs a part-holding gripper and which is mounted on each slider, such that a position of the common-use unit is controlled in the frame.

Abstract: A welding system is disclosed for use in closing a seam. The welding system may have a mount configured to hold a work piece having the seam to be welded, and a robotic welding device movable relative to the mount. The welding system may also have a controller in communication with the robotic welding device and configured to control the robotic welding device to sequentially generate a plurality of weld layers within the seam. Each weld layer may have at least one dam segment extending generally orthogonal to a length direction of the seam, and a main segment extending in the length direction.

Abstract: In a method for controlling pulse arc welding where an arc is created between a wire and a base material, a pulse waveform different from the pulse waveform for steady-state welding is outputted when a predetermined time has passed since short-circuit welding control was started at arc start, and after a sufficiently large melt pool is formed, the pulse waveform for the steady-state welding is outputted. This reduces the generation of spatters after an arc is created and until the arc is stabilized.

Abstract: A semiconductor module includes a substrate having a metallized first side and a metallized second side opposing the metallized first side. A semiconductor die is attached to the metallized first side of the substrate. A plurality of cooling structures are welded to the metallized second side of the substrate. Each of the cooling structures includes a plurality of distinct weld beads disposed in a stacked arrangement extending away from the substrate. The substrate can be electrically conductive or insulating. Corresponding methods of manufacturing such semiconductor modules and substrates with such welded cooling structures are also provided.

Abstract: If a short circuit does not occur during deceleration of a wire feed speed in forward feed of a welding wire before the wire feed speed reaches a predetermined wire feed speed, a cyclic change is stopped and the wire feed speed is constantly controlled at the first feed speed. If a short circuit occurs during forward feed at the first feed speed, deceleration from the first feed speed starts, and the cyclic change is resumed for welding. This achieves uniform weld bead without increasing spatters even if any external disturbance such as change of distance between a tip and base material occurs.

Abstract: The invention described herein generally pertains to a system and method for welder system that relates to creating a welding sequence for a welding environment in which the welding sequence is based upon non-real time data collected from a welding procedure. Welding procedure information is collected and utilized to create a welding sequence to perform two or more welds in which at least one parameter is based on the collected welding procedure information (e.g., non-real world welding procedure).

Abstract: The invention described herein generally pertains to a system and method for welder system that relates to creating a welding sequence for a welding environment in which the welding sequence is based upon real time data collected from a performed or previously performed welding procedure. Welding procedure information is collected and utilized to create a welding sequence to perform two or more welds in which at least one parameter is based on the collected welding procedure information (e.g., real world welding procedure).

Abstract: If a short circuit does not occur during deceleration of a wire feed speed in forward feed of a welding wire before the wire feed speed reaches a predetermined wire feed speed, a cyclic change is stopped and the wire feed speed is constantly controlled at the first feed speed. If a short circuit occurs during forward feed at the first feed speed, deceleration from the first feed speed starts, and the cyclic change is resumed for welding. This achieves uniform weld bead without increasing spatters even if any external disturbance such as change of distance between a tip and base material occurs.

Abstract: The invention discloses a machining method of welding an ear plate on a barrel of a central cylinder of a horizontal preheater.

Abstract: Disclosed is a method for controlling arc welding where an arc is generated between a welding wire as a consumable electrode and an object to be welded. The method includes: keeping a wire feed speed at a predetermined constant speed in a steady-state welding period; and at a time point when welding termination is ordered, either switching the wire feed speed from the predetermined constant speed to a wire feed speed at which the welding wire is fed in alternating forward and backward directions, or decreasing the wire feed speed from the predetermined constant speed with time, and then switching the wire feed speed to the wire feed speed at which the welding wire is fed in alternating forward and backward directions at a time point when a predetermined time period has passed since when welding termination was ordered.

Abstract: The present disclosure is directed to devices and methods for automating weld termination. In one embodiment, a compensation device is provided to grip a weld dam comprised of silicon dioxide. The compensation device is used to impart linear motion along an x-axis, y-axis, and z-axis, and rotational motion about the z-axis, to the weld dam. Via the imparted linear and rotational motion, the weld dam is then abutted against a surface of a workpiece, the workpiece comprising a first and a second section. In some embodiments, the workpiece surface includes uneven terminal ends of the first and second sections. In other embodiments, the workpiece surface is a bottom surface.

Abstract: An arc welding control method for carrying out welding by generating an arc between a wire and a base material. The wire is fed at wire feed speed (Wf) of periodically repeating forward feeding and reverse feeding with predetermined frequency and amplitude from time point (100) at which start of the welding is instructed, or from a certain time point (101) after the start of the welding is instructed, and then the wire feed speed is changed to a constant speed. Since the wire feed speed is controlled by periodically repeating forward feeding and reverse feeding at the arc start, short-circuit can be opened regardless of the electromagnetic pinch force, and spatters, which are generated at the early stage of the arc start because a molten pool is not preset, can be reduced.

Abstract: A robot cell comprises a support having a top surface within a plane and configured to rotate about a central axis substantially normal to the plane and a plurality of welding tables including a first welding table and a second welding table. The first welding table is operably connected to the support and configured to rotate about a first axis substantially parallel to the plane and about a second axis substantially normal to the plane. The first welding table is configured such that the second axis remains substantially normal to the plane while the first welding table rotates about the first axis. The second welding table is operably connected to the support and configured to rotate about a third axis substantially parallel to the plane and about a fourth axis substantially normal to the plane. The second welding table is configured such that the fourth axis remains substantially' normal to the plane while the second welding table rotates about the third axis.

Abstract: Welding systems and sequence controllers therefor are presented for controlling components of a welding system during a welding operation. The sequence controller receives system inputs and provides control outputs to the system components, and includes a processing component, an executable sequence control program, and a state table file. The sequence control state table file includes a number of entries corresponding to welding operation states, where the individual entries comprise one or more instruction identifiers, instruction parameters, exit condition identifiers and corresponding next state identifiers. The sequence control program is executed according to the sequence controller inputs and according to the state table file to provide the sequence controller outputs, where the state table file can be easily modified or new state table files can be created and downloaded to the sequence controller to facilitate easy reconfiguration of a welding system.

Abstract: An arc welding control method carries out weld with a welding current and a welding speed different from those at a steady welding period according to intrinsic resistivity of a weld wire or a base material at a welding start period and a welding end period, so as to obtain a satisfactory welding quality.

Abstract: A welding operation is performed utilizing a rotating arc resulting from movement of a welding electrode in a welding torch. Workpiece fit-up is determined as the weld progresses, such as via a camera and image analysis. In the event that fit-up changes, such as by the development of gaps between the workpieces, one or more parameters of the system may be altered, such as the geometry of the electrode movement, the travel speed, the wire feed speed, the weld power applied to the electrode, and so forth. The technique may be automated, such as for accommodating welding via welding robots.

Abstract: A fixture assembly for welding a plurality of stator wire end pairs may include an anvil, a movable clamp configured to translate between an unclamped state and a clamped state, a first grounding electrode, and a second grounding electrode. The movable clamp may be configured to urge the plurality of stator wire ends against the anvil when in the clamped state. The moveable clamp includes a separator feature that generally extends toward the anvil. Each of the first grounding electrode and second grounding electrodes may be configured to translate between a clamped state and an unclamped state. When in the clamped state, each of the first and second grounding electrodes is configured to urge a pair of the plurality of stator wire end pairs against the separator feature.

Abstract: A data structure for weld programs associates configuration data for a welding system with a plurality of weld programs and weld sequence data. The data structure allows the welding system to be configured for a particular part, operator, or stage in a welding process, and to be easily reconfigured when the part, operator, or stage changes, providing improved efficiency and flexibility in operation.

Abstract: An arc welding automat for maintaining or repairing rails and switch gears includes a frame, a welding device including a torch for welding an area of a rail, the frame being provided with at least two elements for the support on a rail or a switch gear, these two elements and the torch being substantially aligned, the torch including an element of displacement on at least two horizontal axes. The automat includes an element for performing steps of:—storing, in a reference system having at least two dimensions, space coordinates of points forming at least two polygons defining at least two distinct working surfaces inside an area to be welded;—implementing a welding program including moving the torch with respect to the frame, so as to intervene successively on all the distinct working surfaces. Also disclosed is a welding method for maintaining or repairing rails and switch gears.

Abstract: Disclosed is a robot pre-heat and inter-pass welding device that is capable of pre-heating and welding one or more weld joints using a single robot. Pre-heating and welding models are used to ensure that a desirable pre-heat temperature is maintained on the weld piece at the location of the weld. Infrared temperature sensors are utilized to detect temperature of the weld piece, which are transmitted to a controller, which controls the operation of both the pre-heating and welding. Multiple welds can be performed if additional time is needed for cooling, which reduces the overall time required to perform the welding process.

Abstract: The installation provided includes at least one structure for receiving and holding guide tubes and structural elements; a carriage movable parallel to the guide tubes; at least one welding tool; and displacement means for moving the welding tool, the displacement means connecting the pincer to the carriage and presenting at least six degrees of freedom.

Abstract: If a short circuit does not occur during deceleration of a wire feed speed in forward feed of a welding wire before the wire feed speed reaches a predetermined wire feed speed, a cyclic change is stopped and the wire feed speed is constantly controlled at the first feed speed. If a short circuit occurs during forward feed at the first feed speed, deceleration from the first feed speed starts, and the cyclic change is resumed for welding. This achieves uniform weld bead without increasing spatters even if any external disturbance such as change of distance between a tip and base material occurs.

Abstract: Guide device for use in the processing, in particular welding, of curved surfaces, in particular pipe surfaces. A guide device includes a flexible elongate body provided with a guide for processing means and a tensioning means for tensioning the flexible body around the curved surface. The flexible body is provided along its length with indicators arranged according to a determined pattern, this pattern being such that a determined position of the guide device along the flexible body can be inferred on the basis of the detection of the indicators.

Abstract: To start consumable electrode arc welding, an initial current is supplied to a welding wire after causing the welding wire to contact a base material and retracting the welding wire from the base material. Thereby, an initial arc is generated. The welding wire is retracted continuously for an initial arc lift period Ti with the initial arc maintained. Afterwards, the initial arc is switched to a steady arc. A predetermined weld pool formation period Tp is set after the initial arc lift period Ti. In the weld pool formation period, a weld pool formation current greater than the initial current is supplied with the initial arc maintained and the welding wire is caused to proceed and fed to the base material. In the weld pool formation period, a weld pool is formed by the initial arc without allowing the welding wire to release droplets and contact the base material.

Abstract: The method of optimizing performance of a weld includes determining a set of specified mechanical properties, such as hardness or toughness for the weld, selecting a base metal material, selecting a welding process and welding process conditions, and selecting a weld metal material. The weld metal material and/or the base metal material may be selected by determining a characterization of the weld or base metal material, the characterization including performing a thermal-mechanical simulation of the metal materials and determining the properties of the metals produced by the thermal-mechanical simulation, and subsequently correlating the characterization of the metal materials with the set of specified mechanical properties and the welding process conditions. The method may also include producing said weld having said set of mechanical properties.

Abstract: The invention relates to a method for permanently interconnecting components from a heat-meltable metal material, using a robot-controlled welding unit for carrying out a hybrid welding process. According to the method, a high performance metal active gas welding process (high performance MAG) is carried out. A component (8) carrying out the high performance MAG welding process is carried along by the robot-controlled welding unit (2) to carry out the hybrid welding process, the GSMAW torch (3) which contributes to the hybrid welding process being guided so as to be dragged by the welding unit.

Abstract: Provided is a robot capable of appropriately adjusting a position and the like of a main body in view of executing a specified task involving an interaction with a target object. While the position and posture of the main body (10) are being controlled according to a second target path, the robot (1) moves from a first specified area to a second specified area and stands there. In this state, a second position deviation (=the deviation of the position of the main body from a second target path) and a second posture deviation (=the deviation of the posture of the main body from a second target posture) are determined. According to the determination result, the second target path is corrected so that the subsequent position deviation and the like may be smaller.

Abstract: A welding torch includes: a contact tip having, on a distal-end inner circumferential surface thereof, a power supply portion that contacts a fed welding wire to supply current; and a wire guide that is provided having a predetermined clearance within the contact tip and guides the fed welding wire, and wherein the arc-welding torch is configured such that axes of the contact tip and the wire guide are relatively changed so as to cause the welding wire fed while guided by the wire guide to contact the power supply portion of the contact tip. The power supply portion of the contact tip is formed to have an axial length with which a welding current can be maintained at least a predetermined lower limit current despite a shift of a power supply point in accordance with wear of the power supply portion, more specifically, formed to have a length of 1 to 4 mm.

Abstract: An arc welding robot having a welding wire conduit which has a bend radius above a certain level and arranged so that disadvantageous stress is not applied to the conduit by the motion of the robot arm. A conduit for a welding wire is inserted through a hole of a robot pedestal from the rear side of the robot, is supported by a second support member arranged on the pedestal, extends near the front side of a rotating body of the robot, and is supported by a first support member on the upper part of the rotating body while having a required minimum bend radius. The conduit after passing through the first support member is introduced to the rear side of the upper arm and is connected to a connector at the rear side of a wire feeder while having the required minimum radius, whereby the conduit presents a generally S-shape.

Abstract: A welding system is provided, in which two electrodes are directed at a joint between two work pieces and the electrodes are energized with DC pulse or AC welding waveforms at a controlled waveform phase angle. The systems include a synchronizing controller to synchronize the welding waveforms, and a work point allocation system provides one or more work point values to the welding machines to provide synergic control of the welding according to a user selected system work point value or parameter. The systems and methods further provide for synchronized work point value modulation for the opposite sides of a dual fillet weld. The system and method further provide a high energy heat source that directs intense heat at a portion of the weld joint to improve weld penetration.

Abstract: A suggested welding crane for welding of objects comprises an arm, a stand and a welding head. The arm includes at least a first and a second segment, which are arranged with their length axes essentially parallelly and are telescopically movable along their length axes in relation to each other so that at least a first segment of said segments at least partly slides into at least a second segment of said segments. The welding head is arranged in a distal end of an outermost segment of the arm while an innermost segment of the arm is suspended in the stand. A linear guide is arranged on at least a first segment of said segments. A co-operating part of said at least one linear guide is arranged on at least a second segment of said segments, wherein the at least one linear guide is adapted to provide said telescopic movement.

Abstract: An arc welding control method for carrying out welding by generating an arc between a wire and a base material. The wire is fed at wire feed speed (Wf) of periodically repeating forward feeding and reverse feeding with predetermined frequency and amplitude from time point (100) at which start of the welding is instructed, or from a certain time point (101) after the start of the welding is instructed, and then the wire feed speed is changed to a constant speed. Since the wire feed speed is controlled by periodically repeating forward feeding and reverse feeding at the arc start, short-circuit can be opened regardless of the electromagnetic pinch force, and spatters, which are generated at the early stage of the arc start because a molten pool is not preset, can be reduced.