Abstract: An arc system is described which includes a power generator, a shielding gas source, a torch and a shielding gas monitor contained adjacent to or within the torch. The torch is connected to the power generator for producing an arc with a workpiece, is connected to the shielding gas source for providing shielding gas to an arc locations, and includes a flow sensor mounted within or adjacent the torch body for monitoring the flow of shielding gas through the torch and optimally providing feedback control of the shielding gas flow.

Abstract: A scalable power source that includes a controller that is electrically connected to an engine component that generates electrical power and includes a modular connector that electrically connects the controller to plural auxiliary power sources or plural types of auxiliary power sources to provide a selected power output.

Abstract: The subject innovation relates to starting and stopping an engine of an engine driven welder based on parameters related to the welder and parameters related to an environment in which the welder operates. In an embodiment, a method for managing a welder engine of an engine driven welder includes continuously monitoring welder parameters related to the engine driven welder, continuously monitoring environmental parameters influencing the welder engine, continuously calculating a restart value based at least in part on the engine parameters and the environmental parameters, continuously monitoring activity related to the engine to maintain an activity history, and stopping the engine based at least in part on the activity history and the restart value being outside a running range. Systems include components for accomplishing such aspects.

Abstract: A method and apparatus for improving the flow control of a shielding gas in a welding unit is described which uses feedback from at least one of a mass flow controller, a pressure sensor and a valve position sensor to regulate shielding gas flow through a controller.

Abstract: The subject innovation relates to engine driven welding systems and methods regulating an environmentally controlled electrode compartment within storage constraints to maintain electrode integrity regardless of environmental factors outside the container. Various sensors and controllers which directly or indirectly provide input to the engine of the engine driven welder are used to facilitate such regulation, which is conducted at least in part using the engine itself.

Abstract: The invention described herein generally pertains to a system and method for a voltage sense lead being disposed on or within a welder gun in a hot wire application (e.g., hot wire laser, hot wire hybrid, and the like) to monitor voltage across the electrode. In this manner, resistive heating can be regulated to ensure that the wire and weld pool (e.g., puddle) temperature are within a desired range. The voltage sense lead can be incorporated into a welder gun or onto a welder gun in order to mitigate inaccuracies and voltage drops resultant of a cable connecting the welder gun to the wire feeder of a hot wire system.

Abstract: A system and method of feeding wire is provided using at least one roller which is biased towards the wire. The at least one roller is permitted to deflect a limited amount during the wire feeding operation. The roller is permitted to deflect 50% or less than the wire diameter during feeding to prevent tangling.

Abstract: Systems, methods, and apparatus providing advanced controls in a foot pedal device used in arc welding. The foot pedal device is configured to interface with a welding power source and provide one or more selectable modes of operation, allowing an operator to control one or more waveform characteristics of an output welding waveform. The advanced control logic for controlling the one or more waveform characteristics resides in the foot pedal device and is responsive to a depressed position of the foot pedal device. Such a foot pedal device, having advanced controls, allows for the advanced, real-time control of the output of a simple welding power source during a welding process.

Abstract: The invention described herein generally pertains to a system and method for managing a Radio Frequency Identification (RFID) system by employing a switching means to at least a portion of at least one RFID tag in order to activate or deactivate such RFID tag. The switching means allows the transmission of data between an RFID tag and RFID reader to be controlled.

Abstract: A wire feeder includes a wire feeder housing that may enclose one or more drive rollers rotatably connected with respect to the wire feeder housing for engaging welding wire. The one or more drive rollers may be adjustable and adapted to drive the welding wire to a welding gun connected to the wire feeder. A drive motor is incorporated for delivering power for rotating the one or more drive rollers. Friction reducing devices, such as bearings, may be utilized and positioned between one or more driver rollers and the housing, where the bearings are electrically non-conducting for preventing the discharge of electrical energy across the bearing surfaces.

Abstract: A system for controlling a welder supports remote operation of the welder by either a hand or a foot of the user. The controls of the system share components such that the user can readily change from hand control of the welder to foot control of the welder and vice versa.

Abstract: The invention includes a wire feed system that is used within a welder, the system having a forward drive roll that rotates in a first direction, a reverse drive roll that rotates in a second direction, which is opposite the first direction, wherein the forward drive roll and the reverse drive roll are both located on a first side of a wire, a first idle roll disposed opposite the forward drive roll, a second idle roll disposed opposite the reverse drive roll, wherein the first idle roll and the second idle roll are located on a second side of the wire, an arm that pivotally couples the first idle roll to the second idle roll, and an actuator that displaces the first idle roll to engage with the forward drive roll to advance the wire or displaces the second idle roll to engage with the reverse drive roll to retract the wire based upon a predetermined condition.

Abstract: The subject embodiments relate to a retractable wire feed system used within a welder, which include a friction-drive system disposed on a first side of a wire, an idle drive roll located opposite the friction-drive system on a second side of a wire, wherein the friction-drive system advances the wire through a welding nozzle toward a workpiece, and a brake, which is applied to retract the wire when a predetermined condition is met.

Abstract: Mobile devices and methods to facilitate the motion characterization of a welding element. A mobile device is used to capture video of a rotating welding element and the video is processed by a software application residing on the mobile device to determine a rate of rotation of the rotating welding element. The software application may perform further processing to determine a linear rate of motion as derived from the determined rate of rotation. The rate of rotation and/or the linear rate of motion may be displayed to a user of the mobile device on a display screen of the mobile device. Such methods may aid a user in calibrating a piece of welding equipment.

Abstract: Aspects of the innovation described herein generally pertain to methods for providing wire using two or more welding wire drive motors. The wire drive motors may be driven according to optimized power to control conveyance of the wire. A method may include modifying the power at which two or more motors operate to avoid conveying a wire under asymmetrical or excessive forces. Further, a controller may be provided to optimize the power at which at least one push motor and at least one pull motor operate to deliver wire to a welding operation.

Abstract: An apparatus for feeding a wire. The apparatus includes at least one pair of rotatable rollers and at least one curved or curvable force-generating element. The at least one curved or curvable force-generating element is capable of applying a force via a proximal end of the at least one curved or curvable force-generating element to displace a first roller of the at least one pair of rotatable rollers towards a second roller of the at least one pair of the rotatable rollers to engage a wire there between. The apparatus further includes an adjustment mechanism operationally connected at a distal end of the at least one curved or curvable force-generating element to allow adjustment of the applied force.

Abstract: The invention includes a wire feed system that is used within a welder, the system having a forward drive roll that rotates in a first direction, a reverse drive roll that rotates in a second direction, which is opposite the first direction, wherein the forward drive roll and the reverse drive roll are both located on a first side of a wire, a first idle roll disposed opposite the forward drive roll, a second idle roll disposed opposite the reverse drive roll, wherein the first idle roll and the second idle roll are located on a second side of the wire, an arm that pivotally couples the first idle roll to the second idle roll, and an actuator that displaces the first idle roll to engage with the forward drive roll to advance the wire or displaces the second idle roll to engage with the reverse drive roll to retract the wire based upon a predetermined condition.

Abstract: The subject embodiments relate to a retractable wire feed system used within a welder, which include a friction-drive system disposed on a first side of a wire, an idle drive roll located opposite the friction-drive system on a second side of a wire, wherein the friction-drive system advances the wire through a welding nozzle toward a workpiece, and a brake, which is applied to retract the wire when a predetermined condition is met.

Abstract: The invention described herein generally pertains to a system and method for evaluating one or more conditions or preliminary weld condition related to a welding system and/or method that utilizes a welding sequence to perform two or more welds with respective welding schedules. In an embodiment, an operator registration is provided that verifies the operator and identifies welding sequences to which the operator is authorized to perform. In another embodiment, one or more fixture locations are monitored to determine whether a workpiece is accurately configured prior to a welding operation. In still another embodiment, locations on a workpiece can be displayed to assist an operator in performing two or more welds utilizing a welding sequence. Moreover, a wireless system communications a data signal to a welding work cell in which such data is used to identify a welding sequence.

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).