27results about "Cooled electrode holders" patented technology

An example welding includes a torch head and a handle including a first coolant line configured to conduct coolant to the torch head, a second coolant line configured to conduct the coolant away from the torch head, a first welding power conductor within the first coolant line, and a second welding power conductor within the second coolant line, the first and second welding power conductors configured to carry electric current to the torch head.

The invention relates to a wear part for an arc torch, plasma torch or plasma cutting torch, characterised in that the wear part or at least one part or a region of the wear part consists of an alloy formed from silver and zirconium, silver and hafnium, or silver and zirconium and hafnium.

the present application relates to a welding-type system (100) includes a welding-type tool (140) and a cooler (120). The cooler / (120) comprising a cooler outlet connection (130) configured to provide fluid to the welding-type tool (140), wherein the welding-type tool (140) receives the fluid through one or more conduits running through a portion of the welding-type tool (140), and wherein the cooler outlet connection (230) is a valve configured to retain the fluid within the cooler outlet connection (230).. Further a cooler (120) is defined, which is configured to cool a welding-type tool (140), the cooler (120) including an outlet connection (230) configured to provide fluid to the welding-type tool (140), wherein the outlet connection (230) is a valve configured to retain the fluid within the outlet connection (230), and an inlet connection (240) configured to receive the fluid from the welding-type tool (140), wherein the cooler (120) is configured to cool the welding-type tool (140) by recirculating the fluid to the welding-type tool (140).

An example welding torch includes a torch head, a torch handle including conductive tubing electrically and mechanically connected to the torch head at a first end of the conductive tubing, one or more welding power conductors, a gas conductor, and one or more coolant lines directly connected to a second end of the conductive tubing, and a casing configured to cover the one or more welding power conductors. An example welding torch includes a torch head configured to conduct welding-type power, a torch handle including conductive tubing coupled to the torch head, and a torch cable integrally coupled to the torch handle at a first end of the torch cable, the torch cable and the torch handle including an electrical path from a power supply connector to the torch head and a coolant path to cool the torch head.

A torch for performing TIG welding is disclosed. In accordance with at least one embodiment of the present invention, the torch includes a torch body having a cavity configured to receive and support an electrode assembly, a first shield gas channel, and a second shield gas channel. The first shield gas channel extends from an external surface of the torch body to a first plenum that is fluidly coupled to the cavity so that the first shield gas channel is configured to direct a first shield gas into the cavity. The first plenum is defined, at least in part, by the cavity and is disposed radially exterior of a portion of the electrode assembly. The second shield gas channel is configured to direct a second shield gas to exit the torch body along a path that that is radially exterior of the cavity.

An example welding-type system includes a welding-type tool and a cooler comprising a cooler outlet connection configured to provide fluid to the welding-type tool, wherein the welding-type tool receives the fluid through one or more conduits running through a portion of the welding-type tool, and wherein the cooler outlet connection is a valve configured to retain the fluid within the cooler outlet connection. An example cooler configured to cool a welding-type tool, the cooler including an outlet connection configured to provide fluid to the welding-type tool, wherein the outlet connection is a valve configured to retain the fluid within the outlet connection, and an inlet connection configured to receive the fluid from the welding-type tool, wherein the cooler is configured to cool the welding-type tool by recirculating the fluid to the welding-type tool.

The invention discloses a broadband adjustable rocking electric arc welding method, a welding torch and application. The welding torch comprises a large-bending conducting rod mechanism with a bending angle and a single-side nozzle integrally matched with the large-bending conducting rod mechanism for use. A bent nozzle or a straight-barrel-shaped nozzle is fixed to the bent side of the large-bending conducting rod mechanism, a single gas circuit or double gas circuits are arranged in the nozzle, inner side gas flow of a lower end opening of the nozzle can cool the lower portion of the large-bending conducting rod mechanism, and outer side gas flow protects a welding high-temperature area. The flow distribution of the welding shielding gas on the front side and the rear side of an electric arc can be adjusted by adjusting the nozzle inner bending angle or the overall front inclination angle of the nozzle arranged on the single side, so that the welding gas shielding effect on a high-temperature welding seam is improved; by adjusting the backward included angle between the electrode and the center line of the welding seam, the electric arc pointing direction and the molten drop transition direction can be adjusted so as to improve the welding process stability when the electric arc swings at a fast frequency, the electric arc swinging frequency is adjusted within the wide range of 1.0-35 Hz, and narrow-gap argon arc welding or non-gap gas shielded welding of the broadband adjustable swinging electric arc is achieved.

According to the present disclosure, a welding-type system (200) includes a cooler (120) configured to recirculate coolant from a welding-type tool (140) and comprises a cooler connection (126), a power supply (110) comprising power conversion circuitry configured to convert input power to welding-type power, and a bezel (112) comprising a power supply connector (116) and configured to provide a coolant path between the power supply connector (116) and the cooler connection (126). Further, a welding welding-type power supply connector (116) includes a gas connection configured to receive shielding gas, an outlet connection configured to provide coolant to a welding-type tool (140), and an inlet connection configured to receive the coolant from the welding-type tool (140), wherein the power supply connector (116) provides welding-type power.

A jacketed consumable for a liquid cooled plasma arc torch is provided. The jacketed consumable includes an electrode, a swirl ring fixedly attached to and disposed circumferentially about a distal end of the electrode, and a nozzle fixedly attached to the swirl ring, the nozzle disposed circumferentially about the distal end of the electrode with a portion of the swirl ring positioned between the electrode and the nozzle. The consumable further includes a consumable jacket fixedly attached to and disposed circumferentially about a distal end of the nozzle and a shroud fixedly attached to and disposed circumferentially about a distal end of the consumable jacket. A proximal end of the consumable jacket is adapted to (i) extend axially past a proximal end of the shroud and (ii) extend radially beyond a radial extent of the shroud.

The invention uses the principle of the pneumatic turbine and a cooling system for the entire welding torch, wherein the gas used in the welding process, or even compressed air, enters through a conductor in the axial direction to the consumable, thus moving, a turbine, which in turn moves a tip and a tip holder. The welding torch can be used for extended periods of time at 100% cycle on welding machines of NEMA class I, since it is water cooled. In addition, the torch can be used in any welding source from any manufacturer, whether the machine is new or very old, as the euro standard (socket) is the same. This implies that there is no need to purchase a new welding machine, but only a torch. In construction and assembly environments, such as riser welding, refineries, joint welding, coating, and processes that aim to build a part using only one welding consumable, the use of said torch would bring a significant balance in terms of reduction of time and cost. This torch can also be used in any existing welding device, within the abovementioned processes.

The invention provides a novel high-strength reinforced heat dissipation composite electrode holder. The novel high-strength reinforced heat dissipation composite electrode holder comprises a shell, a jaw assembly and a welding handle. The interior of the shell is fixedly connected with a jaw assembly; the welding handle is rotationally connected to the interior of the shell; a spring is arranged between the welding handle and the shell and used for clamping a welding rod through the welding handle and the jaw assembly, and the jaw assembly comprises a structural layer and a conductive layer. The structural layer is made of steel and is fixed in the shell; the conductive layer is made of copper, is arranged on the upper side of the structural layer and is in contact with the welding handle; the conductive layer and the structural layer are connected with each other through diffusion welding; a clamping piece used for further fixing the welding handle is arranged between the welding handle and the shell.

A welding device, having a body configured to route power, a first inlet and a first outlet formed on the body, the first inlet configured to receive a shielding gas, a first channel extending through the body and connecting the first inlet and the first outlet, a second inlet and a second outlet formed on the body, the second inlet configured to receive a coolant, a second channel extending through the body and connecting the second inlet with the second outlet, the second channel having a convoluted portion comprising a plurality of segments configured to increase a proportion of the second channel relative to the body.

The invention relates to a cooling system (1) for cooling a welding component (SK), said cooling system comprising: at least one container (2) for cooling liquid (3); a cooling circuit (4) having corresponding cooling lines (5); at least one pump (6) arranged in the cooling circuit (4) for conveying the cooling liquid (3) through the cooling lines (5) in the cooling circuit (4); at least one heat exchanger (7) arranged in a cooling line (5); and at least one filter (8) which is arranged in the cooling circuit (4). Said filter is formed by a hydrocyclone (9) with a rotationally symmetrical hollow body (10) comprising: an upper cylindrical section (11) that has a tangential supply line (12) for the cooling liquid (3) and an axially arranged immersion pipe (13) for discharging the filtered cooling liquid (3) upward; and a lower conically tapering section (14) that has an outlet (15) for the particles (P) separated from the cooling liquid (3). The invention also relates to a welding component (SK) comprising such a cooling system (1). Advantageously, the at least one hydrocyclone (9) is arranged and integrated in the container (2) for the cooling liquid (3).

The invention relates to a cooling system (1) for cooling a welding component (SK), said cooling system comprising: at least one container (2) for cooling liquid (3); a cooling circuit (4) having corresponding cooling lines (5); at least one pump (6) arranged in the cooling circuit (4) for conveying the cooling liquid (3) through the cooling lines (5) in the cooling circuit (4); at least one heat exchanger (7) arranged in a cooling line (5); and at least one filter (8) which is arranged in the cooling circuit (4). Said filter is formed by a hydrocyclone (9) with a rotationally symmetrical hollow body (10) comprising: an upper cylindrical section (11) that has a tangential supply line (12) for the cooling liquid (3) and an axially arranged immersion pipe (13) for discharging the filtered cooling liquid (3) upward; and a lower conically tapering section (14) that has an outlet (15) for the particles (P) separated from the cooling liquid (3). The invention also relates to a welding component (SK) comprising such a cooling system (1). Advantageously, the at least one hydrocyclone (9) is arranged and integrated in the container (2) for the cooling liquid (3).

The invention discloses a compact-structure gas metal arc welding torch and an assembly method thereof. The compact-structure gas metal arc welding torch is characterized in that a feed bearing sleeves a conductive transmission shaft and is in conductive stationary fit with a feed bearing seat mounted on the bottom surface of an inner cavity of a motor seat; the lower end of the conductive transmission shaft sequentially penetrates through a conductive transmission shaft via hole of the feed bearing seat and a circular-truncated-cone-shaped through hole in the bottom of the motor seat and then is connected with a conductive rod through a copper nut. A gas path and a water path are arranged in the bottom wall of the motor base, convey welding protective gas to the nozzle mechanism and provide a welding torch cooling effect; an insulating plate of the insulating nozzle connecting mechanism is fixedly connected with a nozzle mechanism connecting plate in a staggered manner, so that the selected nozzle mechanism is insulated from the welding torch main body. The welding torch is compact in structure, easy to machine and assemble, high in transmission positioning precision, good in working stability, high in practicability and capable of being used for rotating arc or rocking arc gas metal arc welding.

A jacketed consumable cartridge is provided for a liquid cooled plasma arc torch. The jacketed consumable cartridge comprises an electrode, a swirl ring securely affixed to and disposed circumferentially about a distal end of the electrode, and a nozzle securely affixed to the swirl ring, the nozzle disposed circumferentially about the distal end of the electrode with a portion of the swirl ring located therebetween. The cartridge also comprises a cartridge jacket securely affixed to and disposed circumferentially about a distal end of the nozzle and a shield securely affixed to and disposed circumferentially about a distal end of the cartridge jacket. A proximal end of the cartridge jacket is adapted to extend (i) axially past a proximal end of the shield and (ii) radially beyond a radial extent of the shield.

The invention discloses a lithium battery multifunctional gas-free carbon dioxide protection welding machine which comprises a main body, a panel is arranged at the front end of the main body, and a rear plate is arranged at the rear end of the main body; a containing space is arranged between the bottom of the main body and the panel and the rear plate, and a plurality of batteries are arranged in the containing space. Compared with traditional equipment, the welding machine achieves the all-weather operation capacity under the outdoor power-free scene through power management optimization and structural lightweight design, and is particularly suitable for building, ship maintenance and other mobile operation scenes.

The invention relates to the technical field of welding guns, in particular to a welding gun neck seat and gun cable seat matching structure which comprises a gun neck seat and a plurality of first limiting parts arranged at intervals in the circumferential direction, and one end face of the gun neck seat is provided with a first water inlet channel, a first water return channel, a first wire feeding channel and a first gas feeding channel; the gun cable seat comprises a plurality of second limiting parts which are arranged at intervals in the circumferential direction, and one end face of the gun cable seat is provided with a second water inlet channel, a second water return channel, a second wire feeding channel and a second air feeding channel; the sealing gasket is provided with a water inlet hole, a water return hole, a wire feeding hole and an air feeding hole, and the sealing gasket is located between the gun neck seat and the gun cable seat. The steps of independently machining a plurality of small cylinders and then welding the small cylinders with the base body are omitted, the structure is simplified, and the reliability is improved; the aperture of the channel can be increased, the cooling effect can be improved, and the blocking risk is reduced; the whole flat pressing type sealing gasket can reduce the machining difficulty and improve the sealing performance.

In some aspects, nozzles for plasma torches can include a nozzle body having a proximal end and a distal end that define a nozzle body length and a longitudinal axis. The body can include an exit orifice defined by the distal end; a plenum extending from the proximal end to a plenum floor, a distance from the plenum floor to the distal end defining a plenum floor thickness, and a distance from the plenum floor to the proximal end defining a proximal end height; and a bore extending from the plenum floor to the exit orifice that has a bore length and a bore width. The nozzle body has a nozzle width in a direction transverse to the longitudinal axis. The nozzle body length is greater than the width and a ratio of the proximal end height to the plenum floor thickness is less than 2.0.

A torch for performing TIG welding is disclosed. The torch includes an electrode (210) for a TIG / GTAW welding operation with an inert gas and an active gas. The torch includes a torch body having a first fluid channel and a second fluid channel, an electrode assembly (210, 220, 230) disposed in the torch body, a nozzle concentric with the electrode (210) and a shield cap concentric with the nozzle. An angle (61) between a longitudinal axis of the electrode 'assembly (210, 220, 230) and an outer surface of at least one of the electrode holder (230) and the electrode (210) is about nine degrees.

The present application relates to a welding torch,(140), which includes a torch head (142) and a handle (144) including a first coolant line (162) configured to conduct coolant to the torch head (142), a second coolant line (164) configured to conduct the coolant away from the torch head (142), a first welding power conductor within the first coolant line (162), and a second welding power conductor within the second coolant line (164), the first and second welding power conductors configured to carry electric current to the torch head (142).

Submerged arc welding torches and systems to resistively preheat electrode wire are disclosed. A disclosed example submerged arc welding torch includes: a first contact tip configured to transfer weld current and preheating current to the wire; a second contact tip configured to conduct the preheating current to the wire; an air-cooled first conductive body portion configured to receive the weld current and to conduct the weld current and the preheating current to the first contact tip; an air-cooled second conductive body portion configured to receive the preheating current and to conduct the preheating current to the second contact tip; and an insulator coupled between the first and second conductive body portions.

A welding torch 10 is provided for use in a Gas Metal Arc Welding (GMAW) process. The welding torch 10 includes a torch body 12, a welding tip 16 extending from the torch body 12, and a detachable nozzle 22 which substantially surrounds the welding tip 16 in use to direct gas around the welding tip 16 and onto a workpiece, the nozzle 22 having a front end which faces the workpiece in use and a rear end which attaches to the torch body 12 in use, in which a ring 24 is provided, the ring 24 being substantially axially fixed to the nozzle 22 at the rear end of the nozzle 22, and the ring 24 being rotatable with respect to the nozzle 22, the ring 24 having a screw thread and the torch body having a corresponding screw thread 26, for fixing the nozzle 22 to the torch body 12.

The invention provides a hydraulic system for a workpiece machining device, a workpiece machining device comprising such a hydraulic system, and a method for operating a workpiece machining device. The hydraulic system (100; 200; 300) comprises: a valve device (150; 250) which is switchable between at least one cooling position and at least one working position, wherein in the cooling position, a coolant flow emanating from the coolant pump (181) is directed by the valve device (150; 250) into a cooling path (120) for cooling the workpiece processing device (1000; 2000; 3000), and wherein in the working position the coolant flow is directed by the valve device (150; 250) for hydraulic interaction with at least one actuator (140; 340).

A jacketed consumable cartridge is provided for a liquid cooled plasma arc torch. The jacketed consumable cartridge comprises an electrode, a swirl ring securely affixed to and disposed circumferentially about a distal end of the electrode, and a nozzle securely affixed to the swirl ring, the nozzle disposed circumferentially about the distal end of the electrode with a portion of the swirl ring located therebetween. The cartridge also comprises a cartridge jacket securely affixed to and disposed circumferentially about a distal end of the nozzle and a shield securely affixed to and disposed circumferentially about a distal end of the cartridge jacket. A proximal end of the cartridge jacket is adapted to extend (i) axially past a proximal end of the shield and (ii) radially beyond a radial extent of the shield.

The invention discloses a broadband adjustable rocking electric arc welding method, a welding torch and application. The welding torch comprises a large-bending conducting rod mechanism with a bending angle and a single-side nozzle integrally matched with the large-bending conducting rod mechanism for use. A bent nozzle or a straight-barrel-shaped nozzle is fixed to the bent side of the large-bending conducting rod mechanism, a single gas circuit or double gas circuits are arranged in the nozzle, inner side gas flow of a lower end opening of the nozzle can cool the lower portion of the large-bending conducting rod mechanism, and outer side gas flow protects a welding high-temperature area. The flow distribution of the welding shielding gas on the front side and the rear side of an electric arc can be adjusted by adjusting the nozzle inner bending angle or the overall front inclination angle of the nozzle arranged on the single side, so that the welding gas shielding effect on a welded high-temperature welding seam is improved; by adjusting the backward included angle between the electrode and the center line of the welding seam, the electric arc pointing direction and the molten drop transition direction can be adjusted, so that the welding process stability is improved when the electric arc swings at a high frequency. Therefore, the rocking frequency of the electric arc can be adjusted within the wide range of 1.0-35 Hz, and single-layer or multi-layer welding seam gas shielded welding of the broadband adjustable rocking electric arc is achieved.