Class / Patent application number | Description | Number of patent applications / Date published |
219137700 | Rate control | 50 |
20080217313 | Method and Apparatus For Feeding Wire to a Welding Arc - A method and apparatus for feeding wire in a welding system include one or more motors disposed adjacent the wire to drive it. A wire feed motor is also disposed along the wire path, and is closer to the source of wire than the torch, and closer to the source than the one or more motors. The motors may be a pair motors disposed on opposite sides of the wire and move the wire to and away from an arc end of a torch. They preferably reversing the direction of the wire within one process cycle. The or more motors may be a stepper motor, a servo motor, a zero backlash motor, a gearless motor, a planetary drive motor, or a linear actuator (such as a piston), in various embodiments. | 09-11-2008 |
20090114631 | Short-Circuit ARC Welding Process Using A Consumable Electrode - An arc welding process using a consumable electrode, in which welding cycles follow one after another over the course of time, each comprising an arc period and a short-circuit period in which the liquid metal establishes a short-circuit between the end of the electrode and the workpiece or workpieces. Each cycle comprises the steps of: maintaining an arc current I | 05-07-2009 |
20090277890 | DRIVE ROLL FOR A WIRE FEEDER - A drive roll is disclosed that is useable in a wire feeder for advancing a wire. The drive roll includes a first side, a second side offset from the first side, and an annular surface between the first side and the second side. An annular groove is formed in the annular surface and defines an engagement surface. Pluralities of lands are spaced along the engagement surface and pluralities of notches are formed in the engagement surface for engaging and advancing the wire. An engagement ratio is defined between the total land area of the plurality of lands and the total notch area of the plurality of notches calculated at the engagement surface. The engagement ratio defines a drive roll that accurately engages and advances the wire over a longer period of use. | 11-12-2009 |
20120152926 | PUSHBUTTON WIRE GUIDE HOLDER FOR A WELDING WIRE FEEDER - Embodiments of a welding wire feeder including a pushbutton wire guide holder are provided. The wire guide holder may allow for the insertion and removal of a welding wire guide by depression of a spring-biased pushbutton and hold the wire guide with force applied by a spring. The pushbutton is disposed in a body, and a stop placed in contact with the pushbutton may prevent the pushbutton from being forced out of the body by the spring force. Some embodiments are directed toward holding inlet wire guides or intermediate wire guides, and therefore include different configurations of the body, pushbutton, spring, and stop. | 06-21-2012 |
20120241430 | BATTERY POWERED COMPACT WIRE FEEDER - A wire feeder that is powered at least partially by a battery is provided. The wire feeder includes a welding wire spool and a welding wire drive system for receiving welding wire from the spool and feeding the wire through a flexible conduit attached to an enclosure of the wire feeder. A motor of the wire feeder drives the welding wire drive system, powered at least in part by the battery. The wire feeder includes a battery receptacle for receiving the battery. In certain embodiments, the wire feeder may be attached to a body of a user via a harness system. | 09-27-2012 |
20120241431 | WELDING ARC POWERED SPOOL GUN - The present disclosure provides a welding system having a welder and a 12V spool gun, in which the 12V spool gun includes a 12V motor. The 12V spool gun receives a voltage that is derived from a welding arc voltage, and drives the 12V motor of the 12V spool gun with the derived voltage. The present techniques allow for the use of a spool gun requiring motor power to be used with any ordinary welder. | 09-27-2012 |
20120248083 | WELDING TORCH WITH WIRE FEED SPEED CONTROL - A welding torch has a torch handle. A wire drive assembly is disposed in the torch handle and includes a drive motor and a drive roller. The wire drive assembly contacts the welding wire and is configured to drive the welding wire from a wire feeder to a welding operation. In addition, the welding torch has a trigger and a wire feed speed adjustment assembly. The trigger is disposed near a rear end of the torch handle and is configured to be depressed by an operator for initiating feed of the welding wire. The adjustment assembly is positioned near the rear end of the handle adjacent to the trigger and on the same side of the handle as the trigger. The adjustment assembly allows operator adjustment of a feed speed of the welding wire. | 10-04-2012 |
20120248084 | WIRE FEEDER TENSIONER WITH DEFINITIVE SETTINGS - A wire feeder includes a tensioner with a discrete number of compressive force settings for applying a desired compressive force to welding wire fed through the wire feeder is provided. The tensioner includes an adjustment knob with a discrete number of detents disposed along a helical surface adjacent an inner bore of the adjustment knob. The tensioner also includes a pin extending from an end of a tensioning post located in the inner bore, the pin being configured to align with the detents of the adjustment knob. Rotation of the adjustment knob adjusts alignment of the pin among the discrete number of detents, which correspond to the discrete number of compressive force settings. | 10-04-2012 |
20120305536 | SYSTEMS AND METHODS TO MODIFY GAS METAL ARC WELDING AND ITS VARIANTS - A welding system and method includes a main torch including a main electrode configured to form a first arc with a base metal; a first bypass torch including a first bypass electrode configured to form a second arc with the main electrode; and a second bypass torch including a second bypass electrode configured to form a third arc with the main electrode. | 12-06-2012 |
20130048621 | WELDING WIRE FEEDER WITH IMPROVED WIRE GUIDE - A wire guide for use in a welding wire feeder is provided. The wire guide includes two guide surfaces spaced from one another to define an opening through which welding wire is directed from a spool to a wire drive assembly of the wire feeder. The wire guide may also include a side flange extending from an outboard position of the wire guide to maintain the wire within a desired region of the wire drive assembly, such as a space formed by grooves along rollers of the wire drive assembly. The side flange may be formed integrally with an outboard guide surface of the wire guide. The guide surfaces and the side flange may be formed integrally into a one-piece wire guide structure. | 02-28-2013 |
20130180971 | SYSTEMS AND METHODS TO FEED WIRE WITHIN A WELDER - The subject embodiments relate to a wire feed system that is used with a welder. The wire feed system includes a pair of counter-rotating discs disposed along a common longitudinal axis that are spaced apart a first width. A first disc rotates in a first direction and a second disc rotates in a second direction which is opposite the first direction. A drive roll is disposed between the first disc and the second disc within the first width. An engaging member moves the drive roll adjacent to either the first disc or the second disc based on a predetermined condition to advance or retract wire relative to a workpiece within the welding system. | 07-18-2013 |
20130334190 | SYSTEM AND METHOD FOR ADJUSTING FEED ROLL POSITION IN A WELDING TORCH - A welding system includes a welding torch assembly including a body, a first feed roll, a second feed roll, and a lever. The first and second feed rolls are both configured to rotate with respect to the body, and the first and second feed rolls are disposed opposite from one another about a welding wire feed region. The lever is configured to pivot at a first end of the lever about a lever joint of the body, and the second feed roll is movable between a first position and a second position in response to movement of a second end of the lever. The second feed roll is adjacent to the first feed roll in the first position, the second feed roll is not adjacent to the first feed roll in the second position, and the lever is configured to maintain the feed roll in the second position. | 12-19-2013 |
20130334191 | MOTOR ASSEMBLY FOR A PUSH-PULL WELDING TORCH - A welding system includes a welding torch assembly. The welding torch assembly includes a first feed roll configured to rotate about a first axis, a second feed roll disposed opposite the first feed roll about a welding wire feed region, a first helical gear coupled to the first feed roll, a second helical gear operatively coupled to the first helical gear, and a drive motor. The first helical gear is configured to rotate about the first axis, the second helical gear is configured to rotate about a second axis to rotate the first helical gear about the first axis, wherein the second axis is generally perpendicular to the first axis, and the drive motor is configured to rotate the second helical gear about the second axis. The second axis is offset from a plane defined by the welding wire feed region between the first and second feed rolls. | 12-19-2013 |
20130334192 | SYSTEM AND METHOD FOR GUIDING WELDING WIRE THROUGH A TORCH - A welding system includes a wire drive assembly having feed rolls for feeding welding wire through a welding torch assembly. The welding system also includes a rear structure disposed at an upstream end of the welding torch assembly, a forward structure disposed at a downstream end of the welding torch assembly, and a continuous guide structure. The rear structure has a rear structure aperture through which the welding wire is received, the forward structure has a forward structure aperture through which the welding wire is output, and the continuous guide structure is disposed between and coupled to the rear structure aperture and the forward structure aperture. The rear structure aperture is aligned with a first axis, the forward structure aperture is aligned with a second axis, and the first and second axes are offset from each other. | 12-19-2013 |
20130341314 | WIRE FEEDER DRIVE ASSEMBLY AND METHOD - A drive assembly is provided for driving welding wire through a welding wire feeder. The drive assembly comprises an insulating base and a conductive base secured to one another. Both bases have features that allow for mounting in the wire feeder and for mounting various drive components. The conductive base is energized during operation, and the isolative base insulates the conductive base from components of the wire feeder enclosure. Features of the assembly improve operation and facilitate assembly. | 12-26-2013 |
20140027429 | METHOD FOR DYNAMIC FEED PRESSURE ADJUSTMENT - The invention relates to devices, systems, and methods for automatic feed adjustment during welding operations using a pressure measuring device and a welding wire knowledge database to adjust tension between at least one pair of wire feed rolls, at least one of which is a drive roll. | 01-30-2014 |
20140151350 | SYSTEM AND METHOD FOR DETERMINING WELDING WIRE DIAMETER - A welding system includes a welding wire feeder, a welding power supply, and a sensor. The power supply is coupled to the welding wire feeder and configured to produce a welding arc. The sensor is configured to sense a parameter indicative of a size of a welding wire fed through the welding wire feeder. The sensor is configured to send a signal to the power supply, the signal representing the parameter indicative of the size of the welding wire. The power supply is configured to automatically implement at least one of an arc starting parameter or a welding parameter based on the signal. | 06-05-2014 |
20140319112 | SYSTEMS AND METHODS TO FEED A WIRE WITHIN A WELDER - 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. | 10-30-2014 |
20140319113 | SYSTEMS AND METHODS TO FEED A WIRE WITHIN A WELDER - 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. | 10-30-2014 |
20160059342 | DEVICE FOR FEEDING A WELDING WIRE TO A WELDING DEVICE - A device for feeding a welding wire to a welding device is disclosed, having a carriage guide, having a carriage that is supported on a carriage guide so that it is able to move along a carriage axis, particularly in a linear fashion, having an advancing drive, which has an advancing device that is provided on the carriage and driven to induce an advancing motion of the welding wire, and having a carriage drive, which includes a drive unit, an eccentric that is driven by the drive unit, and an eccentric rod that is eccentrically mounted on the eccentric and is mechanically coupled to the carriage to induce a reciprocating motion to the carriage, said carriage drive having means for adjusting the stroke of the reciprocating motion of the carriage. | 03-03-2016 |
20160129522 | MULTIFUNCTION WIRE FEEDER FOR A PORTABLE WELDING SYSTEM - Disclosed is a wire feeder including a housing having wire inlet and outlet regions. In some approaches, a tensioning assembly includes a pivotable tension arm and a pivotable tension knob assembly. The pivotable tension arm has a pivot axis oriented perpendicular to the direction of a wire fed through the wire feeder, while the pivotable tension knob assembly has a pivot axis oriented parallel to the direction of the wire fed through the wire feeder. A roller assembly includes a drive roller rotatably coupled to the pivotable tension arm, and a feed roller coupled to the housing. The feed roller is positionable opposite the drive roller to receive a welding wire therebetween and to move the welding wire from the wire inlet region to the wire outlet region. A gear assembly transmits rotational motion from a motor to the feed roller. | 05-12-2016 |
20190143439 | SYSTEM AND METHOD FOR GUIDING WELDING WIRE THROUGH A TORCH | 05-16-2019 |
219137710 | Circuits | 28 |
20080237208 | Feed control method for consumable electrode AC arc welding - A feed control method is provided for consumable electrode AC arc welding, in which the welding wire is fed at a predetermined wire feed rate, and a welding voltage applied to an arc is switched in alternation between electrode positive polarity and electrode negative polarity. In the method, a welding current setting signal is generated, and the wire feed rate is set to a first feed rate during a period of the electrode positive polarity, based on both the wire welding characteristics for the electrode positive polarity and the welding current setting signal. Further, the wire feed rate is set to a second feed rate during a period of the electrode negative polarity, based on both the wire welding characteristics for the electrode negative polarity and the welding current setting signal. | 10-02-2008 |
20080296278 | AUTOMATIC WELDING WIRE FEED ADJUSTER - An automatic wire feed adjuster, including a feeding mechanism including a pair of rollers that feeds a wire therebetween, a tension controller that adjusts a tension between the pair of rollers, a wire speed sensor that measures a fed speed of the wire after exiting the feeding mechanism, and a control circuit that compares a driven speed of the wire with the fed speed of the wire, and that decides whether to instruct the tension controller to adjust the tension between the pair of rollers. | 12-04-2008 |
20090277893 | WELDING POWER SUPPLY WITH SCALED OUTPUT VOLTAGE - A method and system for adjusting the output voltage applied to a wire electrode during an automatic parameter selection mode in which the rate of advancement and output voltage is automatically determined. A control circuit determines appropriate power parameters in response to at least one configuration parameter. The control circuit generates a power command accordingly based on an expected, or nominal, input voltage. A sensor connected to the control circuit monitors the actual input voltage. If the actual input voltage is outside of an acceptable range, the control circuit scales the generated power command with a scaling factor calculated based on the actual input voltage. | 11-12-2009 |
20100314375 | HYBRID WIRE FEEDER SYSTEMS AND METHODS - A hybrid wire feeder including an energy storage device and a charging circuit are provided. The hybrid wire feeder may selectively alternate between utilization of power from the energy storage device and utilization of power from a welding power supply to power the weld and one or more weld sequencing events. Some embodiments provide for the energy storage device to be adapted to discharge during periods when the welding power supply is not outputting power and to recharge from the welding power when the welding power supply is outputting power. | 12-16-2010 |
20110266269 | COMMON TOOL CENTER POINT CONSUMABLES - A consumable is configured to operate in a robotic welding torch. The robotic welding torch includes a torch body and a tube. The tube has an elongated body extending from a supply end to a discharge end. The tube is operably connected substantially at the supply end to the torch body. The tube is configured to operably connect at the discharge end to a first set of consumables in a first configuration and to a second set of consumables in a second configuration. The first set of consumables has a first amperage capacity and the second set of consumables has a second amperage capacity substantially larger than the first amperage capacity. The tool center point of the robotic welding torch is substantially constant between the first configuration and the second configuration. | 11-03-2011 |
20110309063 | WELDING WIRE FEEDER WITH MAGNETIC ROTATIONAL SPEED SENSOR - A welding wire feeder includes a magnetic rotational sensor system configured to measure a parameter indicative of a wire feed speed of the welding wire feeder. The magnetic rotational sensor system includes a dipole magnet coupled to a gear driven by an electric motor of the welding wire feeder and a magnetic sensor disposed adjacent to the dipole magnet and configured to measure an angular position of the dipole magnet. The magnetic rotational sensor system also includes a processor configured to receive signals of the angular position measured by the magnetic sensor and to calculate a wire feed speed of the welding wire feeder based upon the angular position signals and configuration parameters of the welding wire feeder. | 12-22-2011 |
20120160819 | WIRE FEED SPEED MEASUREMENT DEVICE - A system and method of monitoring a wire feed speed using a wire feed speed monitoring system and a computer peripheral pointing device having a motion sensor which senses motion of a wire passing by the motion sensor. | 06-28-2012 |
20120285939 | METHOD FOR CONTROLLING THE ADVANCEMENT OF THE WEAR-AWAY WIRE ELECTRODE OF WELDING AND/OR SOLDERING SYSTEMS AND SUCH A WELDING AND/OR SOLDERING SYSTEM - The present invention relates to a method for universally controlling the advancement of the wear-away wire electrode ( | 11-15-2012 |
20130082040 | CONSUMABLE ELECTRODE ARC WELDING METHOD AND CONSUMABLE ELECTRODE ARC WELDING DEVICE - 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. | 04-04-2013 |
20130082041 | CONSUMABLE ELECTRODE ARC WELDING METHOD AND CONSUMABLE ELECTRODE ARC WELDING DEVICE - 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. | 04-04-2013 |
20130112677 | WIRE FEEDING SYSTEMS AND DEVICES - Provided herein are systems including a wire spool having a core with a core diameter and wire wound around the core and having a wire diameter. An outer diameter of the wire spool is defined by a sum of the core diameter and the wire diameter. The systems may also include a sensing system having a sensor component disposed on the wire spool and/or a wire spool hub. The sensing system is adapted to acquire data corresponding to a parameter indicative of the outer diameter of the wire spool. | 05-09-2013 |
20130146575 | WELDING APPARATUS WITH AUTOMATED WELDING WIRE RETRACTION - A method providing a welding apparatus configured to supply a welding wire to a welding gun and a welding system implementing the same is described. The welding gun has a trigger and an opening where the welding wire extends when the trigger is activated. The method also has a computer with a user interface that includes an automatic wire retract program, the program dynamically adjusting the amount of welding wire retraction based at least upon one of the following: welding arc current, welding wire size, welding wire speed and burnback time. The program monitors the welding gun and determines when the trigger is disabled. The program indicates when a first condition is satisfied and retracts the welding wire so the welding wire preferably does not extend (or minimally extends—or may be at least partially recessed within the tip) from the opening of the welding gun nozzle tip. | 06-13-2013 |
20130327751 | POLARITY SENSING WELDING WIRE FEEDER SYSTEM AND METHOD - A welding wire feeder includes a welding wire feed drive configured to drive welding wire towards a welding application, wire feed control circuitry coupled to and configured to control the welding wire feed drive. The welding wire feeder includes power conversion circuitry configured to receive polarized input power from a welding power source via input connections with defined polarities and to convert the polarized input power to welding output, sensing circuitry configured to detect the polarity of the polarized input power when connected to the input connections, and welding process control circuitry. The welding process control circuitry is coupled to the power conversion circuitry and the sensing circuitry. The welding process control circuitry is configured to provide the polarized input power to the power conversion circuitry only if the polarity of the polarized input power corresponds to the defined polarities of the input connections. | 12-12-2013 |
20130327752 | WELDING WIRE FEEDER POWER CONTROL SYSTEM AND METHOD - A method of operating a welding wire feeder includes receiving an input power signal from a power source and converting the input power signal to a bus power signal on an internal bus at a first time with a boost converter. The method also includes detecting bus voltage and bus current of the bus power signal on the internal bus and converting the bus power signal to a welding output signal at a second time with a buck converter. The welding output signal is suitable for a controlled waveform welding process. The method also includes detecting output voltage and output current of the weld output, and reducing a voltage ripple on the internal bus based at least in part on the detected bus and output current and/or voltages. | 12-12-2013 |
20130327753 | CONTROLLED WAVEFORM WELDING WIRE FEEDER SYSTEM AND METHOD - A welding wire feeder includes a welding wire feed drive configured to drive welding wire towards a welding application and wire feed control circuitry coupled to the welding wire feed drive. The wire feed control circuitry is also configured to control the drive of welding wire towards the welding application. The welding wire feeder also includes power conversion circuitry and welding process control circuitry coupled to the power conversion circuitry. The power conversion circuitry is configured to receive input power from a welding power source and to convert the input power to controlled waveform welding output. The welding process control circuitry is configured to provide control signals for conversion of the input power to the controlled waveform welding output. The welding wire feeder also includes a process operator interface coupled to the welding process control circuitry and configured to permit operator selection of a controlled waveform welding process. | 12-12-2013 |
20130327754 | WELDING WIRE FEEDER POWER APPLICATION SYSTEM AND METHOD - A method of operating a welding wire feeder includes receiving an input power from a welding power source, actuating a power relay to close and open a first current carrying path for application of the input power, and actuating bypass circuitry coupled in parallel to the power relay to close and open a second current carrying path in coordination with actuating the power relay. The method of operating the welding wire feeder also includes providing a welding wire to a welding torch. | 12-12-2013 |
20140001169 | TWO-WAY COMMUNICATION BETWEEN A WIRE FEEDER AND A WELDING POWER SOURCE PROVIDING IMPROVED OPERATION | 01-02-2014 |
20140061176 | WELDING WIRE FEED SPEED CONTROL SYSTEM AND METHOD - A welding system is disclosed in which the rate of advancement of wire electrode is determined automatically. The device can include a control circuit that determines the rate of advancement of the wire electrode in response to a signal from the voltage selection device of the welding system. Depending upon the operator selected voltage which is selected via the voltage selection device, the control circuit will determine the appropriate rate of wire electrode advancement and control the advancement mechanism (e.g., electric motor) accordingly. Linking of the voltage level and wire-feed speed controls facilities easy of use for more novice operators and, furthermore, facilitates single-handed adjustment of two operational parameters during a welding process. | 03-06-2014 |
20140151351 | SYSTEMS AND METHODS FOR WIRE FEED SPEED CONTROL - A welding system including a fine tuning knob and a coarse adjustment knob for setting a weld wire feed speed are provided. The welding system may include a welder having the coarse adjustment knob and a spool gun having the fine tuning knob. A user may adjust the knob on the welder to set a coarse adjustment wire feed speed and may adjust the knob on the spool gun to fine tune the wire feed speed setting. | 06-05-2014 |
20140175075 | METHOD AND SYSTEM OF WELDING WITH AUTO-DETERMINED STARTUP PARAMETERS - A method and system to determine optimum operating parameters for the startup phase of a welding-type process based on user-desired operating parameters of the post-startup or welding phase of the welding-type process are disclosed. While applicable to a number of welding-type processes, the method and system are particularly configured to determine an optimum wire feed speed for Gas Metal Arc Welding of aluminum using pulse spray transfer. | 06-26-2014 |
20140263255 | ADJUSTABLE DRIVE SHAFT ASSEMBLY - A welding system includes a welding wire feeder, and the welding wire feeder includes a motor and an adjustable drive shaft assembly. The motor is and configured to rotate a feed roll with respect to the wire drive assembly housing. The adjustable drive shaft assembly is coupled to the motor and configured to couple with the feed roll. The adjustable drive shaft assembly includes a drive mechanism configured to urge rotation of the feed roll and to adjust a position of the feed roll relative to the wire drive assembly housing. | 09-18-2014 |
20140263256 | VOLTAGE SENSING WIRE FEEDER WITH WELD PROCEDURE MEMORIES - A voltage sensing wire feeder includes a storage device and a user interface. The user interface is configured to receive a first selection and a second selection. The first selection is configured to direct the voltage sensing wire feeder to use a first group of settings stored in the storage device, and the second selection is configured to direct the voltage sensing wire feeder to use a second group of settings stored in the storage device. | 09-18-2014 |
20150076132 | ARC WELDING APPARATUS, ARC WELDING METHOD, ARC WELDING SYSTEM, AND WELDED ARTICLE - 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. | 03-19-2015 |
20150343552 | WIRE FEEDING SYSTEM - An auxiliary wire feeder has a pushing device for advancing welding wire, a control device for controlling the pushing device, and an electric contact adapted for being in electrical connection with the welding wire. The electric contact is connected to the control device for supplying a control signal to the control device. A welding system comprises an auxiliary wire feeder of this kind and further a welding torch, a main wire feeder, a wire guide for guiding welding wire from a supply to the welding torch and a welding current contact for supplying welding current to the welding wire. For controlling an auxiliary wire feeder in a welding system having a welding torch, a main wire feeder, a wire guide for guiding welding wire from a supply to the welding torch, a welding current contact for supplying welding current to the welding wire, the control of the auxiliary welding wire feeder is responsive to an electrical signal transmitted via the welding wire. | 12-03-2015 |
20160121420 | SYSTEM AND METHOD FOR MEASURING ROTATION OF A WIRE FEED MECHANISM - A feed roller rotation measurement system includes a voltage tuned oscillator (VTO) having a capacitor and an inductor coupled to each other. The VTO is configured to be disposed adjacent a shaped feature formed in a surface of a feed roller of a wire feeder. The feed roller rotation measurement system also includes a phase locked loop (PLL) controller electrically coupled to the VTO and configured to determine and send a correction voltage to the VTO to maintain the VTO at a desired oscillating frequency. The feed roller rotation measurement system further includes a processor coupled to the PLL controller and configured to receive a signal from the PLL controller indicative of the correction voltage and to calculate a speed of rotation of the feed roller based at least in part on the received signal. | 05-05-2016 |
20160175973 | SYSTEMS AND METHODS FOR WIRE FEED SPEED CONTROL | 06-23-2016 |
20160175974 | SYSTEMS AND METHODS FOR COMMUNICATION VIA A WELDING CABLE | 06-23-2016 |
20160175975 | BURNER FOR A WELDING APPARATUS | 06-23-2016 |