Systems are disclosed for power systems and enclosures having an improved compressor drive. In examples, a power system includes a generator to be driven by an engine. The generator is coupled to the engine on a first side of the generator and has a clutch extending from a second side of the generator opposite the engine. The clutch is coupled to the engine. A compressor is positioned at the second side of the generator opposite from the engine. The compressor comprising a shaft extending toward the generator and configured to be driven by the clutch.

A welding system and method provide for generating a controlled waveform for welding power output, the waveform comprising a plurality of successive peak phases designed to avoid or reduce micro-arcing when used with metal-cored or flux-cored electrode wires. Ratios of the background current and voltage levels are elevated as compared to conventional techniques, with the levels in most cases exceeding 50% of the peak currents and voltages. Transitions between background and peak levels of current and voltage are also smoothed, and the duration of the peak phase as compared to the duration of each pulse cycle is elongated to further reduce micro-arcing.

A pulse arc welding profile control method, a control device, a welding system, a welding program, and a welding power supply are provided in which, even when a pulse arc welding method is used, protruding change information is extractable at high accuracy without influence from a welding current or an arc voltage having a pulse shape. An electric change amount detected at the time of weaving includes, as a parameter, at least one among a welding current detection signal and an arc voltage detection signal, takes a predetermined period as one period, calculates an average value of the electric change amount in each one period, and extracts, on the basis of the average value, the protruding change information in a groove to follow a welding line.

In one embodiment, a welding system includes an engine and a generator connected to the engine. The welding system also includes a power source having a controller. The power source is electrically connected to a welding electrode and a workpiece. The controller determines that an electrical load on the welding system has not been detected for a first time period while the engine is running, determines that a coolant temperature meets a minimum requirement, commands shutdown of the engine when the load has not been detected for the first time period and when the coolant temperature meets the minimum requirement, determines that the load has been detected (due to a single contact of the welding electrode to the workpiece) during a second time period after the engine has been shut down, and commands restart of the engine when the load has been detected during the second time period.

A multi-function machine is provided. In one embodiment, the multi-function machine includes a generator driven by an engine for generating electrical power. The multi-function machine also includes a welding power supply electrically powered by the generator to provide an arc gouging output during an arc gouging process when the multi-function machine is in an arc gouging mode. The multi-function machine further includes an air compressor system driven by the generator to provide a compressed air output to support the arc gouging process. The multi-function machine also includes a controller operatively connected to the welding power supply and the air compressor system. The air compressor system is commanded by the controller to activate to provide the compressed air output when the arc gouging mode is selected and/or change a characteristic of the compressed air output when an arc gouging set point of the arc gouging mode is changed.

High-frequency transformers using solid wire for welding-type power supplies are disclosed. An example welding-type power supply transformer includes: a first coil assembly comprising a first plurality of turns of a first solid wire wrapped around a first bobbin to form a first single-layer primary winding, and a second plurality of turns of a second conductor over the first plurality of turns to form a first single-layer secondary winding; a second coil assembly comprising a third plurality of turns of a second solid wire wrapped around a second bobbin to form a second single-layer primary winding, and a fourth plurality of turns of the second conductor over the third plurality of turns to form a second single-layer secondary winding, the first single-layer primary winding being in parallel with the second single-layer primary winding, wherein the second conductor comprises at least one of an obround cross-section, a rectangular cross-section, or a rectangular cross-section having radiused corners, the second plurality of turns have a transverse cross-section of the second conductor that is constant along at least the portion of the second conductor comprising the second plurality of turns, and the fourth plurality of turns have a transverse cross-section of the second conductor that is constant along at least the portion of the second conductor comprising the fourth plurality of turns; and first and second cores disposed at least partially within the first and second bobbins.

A welding system having a welding power supply coupled to a fume extractor is provided. The fume extractor may be coupled to control circuitry configured to operate the welding power supply. The control circuitry may be configured to begin, terminate or modify the operation of the fume extractor prior to the establishment of a welding arc, after the termination of the welding arc, or both. The control circuitry may be further configured to modify the operation of the fume extractor based upon a type of welding process used.

Systems and methods for determining welding parameters using material thickness and wire diameter are disclosed. An example welding-type system includes a power source; an input device configured to receive a first user input specifying a thickness of a material to be welded; and control circuitry configured to: determine a plurality of welding parameters based on the first user input and based on a user-specified wire diameter; control the power source based on one or more of the welding parameters; and control a wire feeder based on one or more of the welding parameters.

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.

A method for adjusting multiple settings of a welding power supply is provided. The method includes providing a plurality of selectable identifiers. Each selectable identifier corresponds to a plurality of user adjustable welding power supply settings. The method also includes receiving an indication to select one of the plurality of selectable identifiers. The method includes adjusting the plurality of user adjustable welding power supply settings that correspond to the received indication.