19results about "Non-shielding electrode holders" patented technology

Approaches herein provide a torch handle including a pneumatically controlled jaw operable to engage an electrode. In one approach, a system is provided for distributing gas within the torch handle, the system including a pneumatic cylinder within a main housing of the torch handle. The pneumatic cylinder is coupled to a shaft for actuating first and second members of the jaw. The system further includes a gas passageway through the main housing, the gas passageway extending to an exit orifice disposed within the second member. A flow controller, including first and second valves, is operable to direct a flow of a gas to either the pneumatic cylinder or the gas passageway. In one approach, the first member is actuated towards the second member when the gas is directed through the gas passageway, and actuated away from the second member when the gas is directed to the pneumatic cylinder.

Disclosed are a welding rod fixing apparatus including a body portion including a first surface provided in the center thereof with a first hole through which a welding rod is configured to extend, a second surface provided in the center thereof with a second hole through which the welding rod is configured to extend, the second hole located at the position corresponding to the first hole, a third surface which connects the first surface and the second surface, a space portion formed as a result of a part of an outer circumferential surface formed by the third surface being opened, the space portion being formed such that a hollow is formed from a part of the outer circumferential surface to a central part where the first hole and the second hole are connected to each other, and a fourth surface configured to form the space portion, and a coupling portion configured to be insertable into the space portion so as to press the welding rod when the welding rod extends through the first hole and the second hole, and a welding rod fixing method using the same.

The present invention relates to a welding rod fixing device and a welding rod fixing method using the same, comprising: a first surface having a first hole formed in the center thereof so that a welding rod can pass therethrough; a second surface having a second hole formed in the center thereof so that the welding rod can pass therethrough and at a position corresponding to the first hole; a third surface connecting the first surface and the second surface; a space portion formed by an outer circumferential surface formed by the third surface, the space portion being hollow from the outer circumferential surface to a center portion where the first hole and the second hole are connected; and a body portion including a fourth surface forming the space portion; and a coupling portion configured to be inserted into the space portion and to press the welding rod passing through the first hole and the second hole.

A welding torch includes a contact tip and a wire electrode guide extending distal of the contact tip. The wire electrode guide includes a metallic outer sheath and a plurality of ring-shaped electrical insulators stacked axially within the metallic outer sheath so as to form a central wire electrode receiving bore through the plurality of ring-shaped electrical insulators.

Some examples of the present disclosure relate to tracking attachments (400) that allow trackable markers (499) to be easily attached to stick electrodes (200) and / or stick electrode holders (100), thereby removing the need for costly customized / modified stick electrode holders (100) and / or stick electrodes (200). In some examples, each tracking attachment (400) includes one or more trackable markers (499) that can be detected and / or tracked by a monitoring system (602). In some examples, the trackable marker(s) (499) of the tracking attachment (400) facilitate tracking and / or monitoring of welding technique by aiding in the tracking / monitoring of the position(s) and / or orientation(s) of the stick electrode (200) and / or stick electrode holder (100) during welding-type operations.

A welding apparatus comprising a welding contact tip device configured to receive at least one consumable welding electrode therein, wherein the welding contact tip device includes a first region configured to attach to a welding head and a second region configured to attach to an electrode extension device; and an electrode extension device configured to attach to the welding contact tip device, wherein the electrode extension device includes an upper portion having a predetermined length and a predetermined diameter, wherein the upper portion is configured to create an electrically insulating barrier between the electrode extension device and the welding contact tip device; and a lower portion having a predetermined length, wherein the lower portion is configured to receive at least one consumable welding electrode therein.

The present invention relates to a welding rod fixing device and a welding rod fixing method using the same, comprising: a first surface having a first hole formed in the center thereof so that a welding rod can pass therethrough; a second surface having a second hole formed in the center thereof so that the welding rod can pass therethrough and at a position corresponding to the first hole; a third surface connecting the first surface and the second surface; a space portion formed by an outer circumferential surface formed by the third surface, the space portion being hollow from the outer circumferential surface to a center portion where the first hole and the second hole are connected; and a body portion including a fourth surface forming the space portion; and a coupling portion configured to be inserted into the space portion and to press the welding rod passing through the first hole and the second hole.

A welding torch includes a contact tip and a wire electrode guide extending distally of the contact tip. The wire electrode guide includes a metal outer sheath and a plurality of annular electrical insulators axially stacked within the metal outer sheath so as to form a central wire electrode receiving aperture through the plurality of annular electrical insulators.

The present invention relates to a welding rod fixing device and to a welding rod fixing method using same, the welding rod fixing device comprising: a body part including a first surface which has a first hole formed in the center thereof to allow a welding rod to pass therethrough, a second surface which has a second hole formed in the center thereof at a position corresponding to the first hole to allow the welding rod to pass therethrough, a third surface which connects the first surface and the second surface, a space portion in which a part of an outer circumferential surface formed by the third surface is open and which is formed to form a hollow from the part of the outer circumferential surface to a central portion in which the first hole and the second hole are connected, and a fourth surface which forms the space portion; and a coupling part insertable into the space portion and provided to apply pressure to the welding rod passing through the first hole and the second hole.

An electric welding machine comprises a first base, a handle and a second base, the first base and the second base are connected to the handle, a welding gun barrel, a wire feeder and a wire feeding reel are provided on the first base, the wire feeder is configured to feed a welding wire from the wire feeding reel to the welding gun barrel, and a control mechanism configured to control the electric welding machine to work is provided on the second base. The control mechanism controls the wire feeder to feed the welding wire of the wire feeding reel to the welding gun barrel, and welding under the welding gun barrel.

A junction box for a gas tungsten arc welding (GTAW) training system is described. In some examples, the junction box of the GTAW training system coordinates the delivery of welding-type power to a GTAW torch during training. In some examples, a remote control (e.g., a foot pedal) can be activated to varying degrees to command different levels of welding-type power to be delivered from a welding-type power supply to the GTAW torch. In some examples, the junction box can selectively enable or disable communication between the remote control and the welding-type power supply during training. In some examples, the selective enabling / disabling can be based on whether the GTAW training system is in live arc mode or simulation mode.

A welding apparatus comprising a welding contact tip device configured to receive at least one consumable welding electrode therein, wherein the welding contact tip device includes a first region configured to attach to a welding head and a second region configured to attach to an electrode extension device; and an electrode extension device configured to attach to the welding contact tip device, wherein the electrode extension device includes an upper portion having a predetermined length and a predetermined diameter, wherein the upper portion is configured to create an electrically insulating barrier between the electrode extension device and the welding contact tip device; and a lower portion having a predetermined length, wherein the lower portion is configured to receive at least one consumable welding electrode therein.

Some examples of the present disclosure relate to tracking attachments that allow trackable markers to be easily attached to stick electrodes and / or stick electrode holders, thereby removing the need for costly customized / modified stick electrode holders and / or stick electrodes. In some examples, each tracking attachment includes one or more trackable markers that can be detected and / or tracked by a monitoring system. In some examples, the trackable marker(s) of the tracking attachment facilitate tracking and / or monitoring of welding technique by aiding in the tracking / monitoring of the position(s) and / or orientation(s) of the stick electrode and / or stick electrode holder during welding-type operations.

The present invention relates to a welding rod fixing apparatus and a welding rod fixing method using the same, the welding rod fixing apparatus comprising a body portion and a coupling portion, the body portion comprising: a first surface having a first hole formed at the center thereof through which a welding rod is allowed to pass; the second surface is provided with a second hole which is formed in a position, corresponding to the first hole, of the center of the second surface and allows the welding rod to pass through; the third surface is connected with the first surface and the second surface; a space portion in which a portion of an outer peripheral surface formed by the third surface is open, the space portion being formed such that a hollow portion is formed from the portion of the outer peripheral surface to a central portion where the first hole and the second hole are connected; and a fourth surface configured to form a spatial portion into which the coupling portion is insertable and arranged to apply pressure to the welding rod passing through the first hole and the second hole.

A method for providing a welding score, comprising determining an initial position of a welding operation, determining a terminal position of the welding operation, determining a welding path between the initial position and the terminal position, and determining the welding score based on the welding path, wherein the welding score takes into account one or both of a time used for welding and a length of the welding path. A system comprising a welding torch, and a computer configured to: determine an initial position of a welding operation, determine a terminal position of the welding operation, determine a welding path between the initial position and the terminal position, determine a welding score, wherein the welding score takes into account a time used for welding and / or a length of the welding path, and comparing the welding score to a score threshold.

The disclosed technology relates generally to welding technology, and more particularly to electrode assemblies for arc welding, such as submerged arc welding. In one aspect, an electrode assembly for submerged arc welding (SAW) includes a head portion having a contact nozzle, and an extension portion removably and continuously mounted to the contact nozzle and disposed proximate to an arcing tip of a consumable electrode relative to the contact nozzle. The extension portion includes a ceramic sleeve configured to slidably feed the consumable electrode therethrough, and a pair of metallic sheaths covering opposite ends of the ceramic sleeve.

A tool includes a handle having a proximal end and a distal end, wherein the handle includes a first cylindrical cavity extending into the handle from an opening in the distal end and having a first cylindrical wall. The tool further includes a radial bearing having an inner race, an outer race, and rolling elements, wherein the outer race is secured to the first cylindrical wall of the first cylindrical cavity. Still further, the tool includes a central shaft having proximal and distal sections, wherein the proximal section is secured to the inner race, and wherein the distal section extends from the first cylindrical cavity and includes external screw threads. The tool additional includes a chuck threadably coupled to the external screw threads, wherein the chuck includes self-centering jaws for selectively gripping a tungsten electrode along an axis of rotation established by the radial bearing.

The welding torch includes a contact tip and a wire electrode guide extending distally from the contact tip, the wire electrode guide including a metallic outer sheath and a plurality of ring-shaped electrical insulators axially stacked within the metallic outer sheath to form a central wire electrode-receiving bore through which the plurality of ring-shaped electrical insulators extend.

Disclosed are a welding rod fixing apparatus including a body portion including a first surface provided in the center thereof with a first hole through which a welding rod is configured to extend, a second surface provided in the center thereof with a second hole through which the welding rod is configured to extend, the second hole located at the position corresponding to the first hole, a third surface which connects the first surface and the second surface, a space portion formed as a result of a part of an outer circumferential surface formed by the third surface being opened, the space portion being formed such that a hollow is formed from a part of the outer circumferential surface to a central part where the first hole and the second hole are connected to each other, and a fourth surface configured to form the space portion, and a coupling portion configured to be insertable into the space portion so as to press the welding rod when the welding rod extends through the first hole and the second hole, and a welding rod fixing method using the same.