11results about "Non-shielding electrode holders" patented technology

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.

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.

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 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.