Словарь сварщиков

MIG process that delivers precise control of the arc even over tack welds and in tight corners. Provides optimum and precise molten puddle control
Active Arc Stabilizer™
Enhances arc starts and provides a softer arc throughout all ranges, with less puddle turbulence and less spatter
Adaptive Hot Start™
Automatically increases the output amperage at the start of a Stick weld, should the start require it. Helps eliminate sticking of the electrode at arc start
Advanced Active Field Control Technology™
A simple and reliable patented way of accurately controlling an engine drive's generator weld output
Air Carbon Arc Cutting (CAC-A)
A cutting process by which metals are melted by the heat of an arc using a carbon electrode. Molten metal is forced away from the cut by a blast of forced air. To remove large amounts of metal, look for a welder that can use carbons of at least 3/8 in diameter. Consumables: carbon electrodes, compressed air supply
Alternating Current (AC)
An electrical current that reverses its direction at regular intervals, such as 60 cycles alternating current (AC), or 60 hertz
The measurement of the amount of electricity flowing past a given point in a conductor per second. Current is another name for amperage
Automatically enhances Stick welding, especially on pipe, by focusing the arc and preventing the electrode from going out
The physical gap between the end of the electrode and the base metal. The physical gap causes heat due to resistance of current flow and arc rays
Arc Force
Also called Dig and Arc Control. Gives a power source variable additional amperage during low voltage (short arc length) conditions while welding. Helps avoid "sticking" stick electrodes when a short arc length is used
Automatically "links" to any primary input voltage from 208 to 575 volts, single- or three-phase, 50 or 60 Hz. Also adjusts for voltage spikes within the entire range
Internal inverter power source circuit that automatically links the power source to the primary voltage being applied (230 V or 460 V), without the need for manually linking primary voltage terminals
Automatic Start at Idle
Idles engine immediately when started, extending engine life and reducing fuel consumption and noise
Automatic Welding
Uses equipment which welds without the constant adjusting of controls by the welder or operator. Equipment controls joint alignment by using an automatic sensing device
Axcess™ File Management
Software that turns a standard Palm handheld into a data card and a remote pendant for all Axcess systems. Allows e-mailing, storage, and transfer of welding programs
Constant Current (CC) Welding Machine
These welding machines have limited maximum short circuit current. They have a negative volt-amp curve and are often referred to as "droopers". The voltage will change with different arc lengths while only slightly varying the amperage, thus the name constant current or variable voltage
Constant-Speed Wire Feeder
Feeder operates from 24 or 115 VAC supplied by the welding power source
Constant Voltage (CV), Constant Potential (CP) Welding Machine
"Potential" and "voltage" are basically the same in meaning. This type of welding machine output maintains a relatively stable, consistent voltage regardless of the amperage output. It results in a relatively flat volt-amp curve as opposed to the drooping volt-amp curve of a typical Stick (SMAW) welding machine
Another name for amperage. The amount of electricity flowing past a point in a conductor every second
One or more discontinuities that cause a testing failure in a weld
Direct Current (DC)
Flows in one direction and does not reverse its direction of flow as does alternating current
Direct Current Electrode Negative (DCEN)
The specific direction of current flow through a welding circuit when the electrode lead is connected to the negative terminal and the work lead is connected to the positive terminal of a DC welding machine. Also called direct current, straight polarity (DCSP)
Direct Current Electrode Positive (DCEP)
The specific direction of current flow through a welding circuit when the electrode lead is connected to a positive terminal and the work lead is connected to a negative terminal to a DC welding machine. Also called direct current, reverse polarity (DCRP)
Dual Power Option™
Gives the option on the PipePro&trade 304 engine drive to use 230 volt single- or three-phase electric input power, eliminating engine wear, noise and emissions, as well as fuel costs
Duty Cycle
The number of minutes out of a 10-minute time period an arc welding machine can be operated at maximum rated output. An example would be 60% duty cycle at 300 amps. This would mean that at 300 amps the welding machine can be used for 6 minutes and then must be allowed to cool with the fan motor running for 4 minutes. (Some manufacturers rate machines on a 5 minute cycle)
Internal power source cooling system that only works when needed, keeping internal components cleaner
FasTip™ Contact Tip
Patented, single-turn for quick change - no tools needed!
Fixed Automation
Automated, electronically controlled welding system for simple, straight or circular welds
Flexible Automation
Automated, robotically controlled welding system for complex shapes and applications where welding paths require torch-angle manipulation
Flux Cored Arc Welding (FCAW)
An arc welding process which melts and joins metals by heating them with an arc between a continuous, consumable electrode wire and the work. Shielding is obtained from a flux contained within the electrode core. Depending upon the type of flux-cored wire, added shielding may or may not be provided from externally supplied gas or gas mixture. Consumables: contact tips, flux cored wire, shielding gas (if required, depends on wire type)
Ground Connection
A safety connection from a welding machine frame to the earth. Often used for grounding an engine-driven welding machine where a cable is connected from a ground stud on the welding machine to a metal stake placed in the ground. See Workpiece Connection for the difference between work connection and ground connection
Ground Lead
When referring to the connection from the welding machine to the work, see preferred term Workpiece Lead
Allows you to use either a standard gun or a Spoolmatic® gun on Millermatic® 210, 251, and 300 without flipping a switch. The machine senses which gun you are using when you pull the trigger
Hertz is often referred to as "cycles per second". In the United States , the frequency or directional change of alternating current is usually 60 hertz
High Frequency
Covers the entire frequency spectrum above 50,000 Hz. Used in TIG welding for arc ignition and stabilization
Hot Start™
Used on some Stick (SMAW) machines to make it easier to start difficult-to-start electrodes. Used for arc starting only
Inductance comes from an inductor (stabilizer). The inductor slows down the changes in current, changing the machine's rate of response and number of short circuits per second. An inductor helps limit the amount of spatter, and generally improves the wetting out of the weld puddle
Power source which increases the frequency of the incoming primary power, thus providing for a smaller size machine and improved electrical characteristics for welding, such as faster response time and more control for pulse welding
Kilovolt-amperes. The total volts times amps divided by 1,000, demanded by a welding power source from the primary power furnished by the utility company
Kilowatts. Primary KW is the actual power used by the power source when it is producing its rated output. Secondary KW is the actual power output of the welding power source. Kilowatts are found by taking volts times amps divided by 1,000 and taking into account any power factor
This feature allows TIG arc starting without high frequency. Starts the arc at any amperage without contaminating the weld with tungsten
Line Voltage Compensation
Keeps the output of a power source constant, regardless of minor fluctuations in input power
One or more integrated circuits that can be programmed with stored instructions to perform a variety of functions
MIG (GMAW or Gas Metal Arc Welding)
An arc welding process which joins metals by heating them with an arc. The arc is between a continuously fed filler metal (consumable) electrode and the workpiece. Externally supplied gas or gas mixtures provide shielding. Common MIG welding is also referred to as short circuit transfer. Metal is deposited only when the wire actually touches the work. No metal is transferred across the arc. Another method of MIG welding, spray transfer moves a stream of tiny molten droplets across the arc from the electrode to the weld puddle. Consumables: contact tips, shielding gas, welding wire
Open-Circuit Voltage (OCV)
As the name implies, no current is flowing in the circuit because the circuit is open. The voltage is impressed upon the circuit, however, so that when the circuit is completed, the current will flow immediately. For example, a welding machine that is turned on but not being used for welding at the moment will have an open-circuit voltage applied to the cables attached to the output terminals of the welding machine
Palm OS Compatibility
Replaces the need for data cards and remote control pendants on Axcess models
PhaseShift Technology™
In multiple-torch SAW operations, PhaseShift Technology allows the Summit Arc to guarantee arc stability by enabling the welding machines an ability to communicate and coordinate sine wave polarities and phase delays
Plasma Arc Cutting
An arc cutting process which severs metal by using a constricted arc to melt a small area of the work. This process can cut all metals that conduct electricity. Miller Spectrum cutters are complete packages that contain all required equipment and torch consumables. Consumables: torch consumables, gas or compressed air supply
Pounds Per Square Inch (psi)
A measurement equal to a mass or weight applied to one square inch of surface area
Power Efficiency
How well an electrical machine uses the incoming electrical power
Power Factor Correction
Normally used on single-phase, constant current power sources, to reduce the amount of primary amperage demanded from the power company while welding
Primary Power
Often referred to as the input line voltage and amperage available to the welding machine from the shop's main power line. Often expressed in watts or kilowatts (KW), primary input power is AC and may be single-phase or three-phase. Welding machines with the capability of accepting more than one primary input voltage and amperage must be properly connected for the incoming primary power being used
Pulsed MIG (MIG-P)
A modified spray transfer process that produces no spatter because the wire does not touch the weld puddle. Applications best suited for pulsed MIG are those currently using the short circuit transfer method for welding steel, 14 gauge (1.8 mm) and up. Consumables: contact tips, shielding gas, welding wire
Pulsed TIG (TIG-P)
A modified TIG process appropriate for welding thinner materials. Consumables: tungsten electrode, filler material, shielding gas
Sequencing and controlling the amount of current, the polarity, and the duration of the welding arc
Rated Load
The amperage and voltage the power source is designed to produce for a given specific duty cycle period. For example, 300 amps, 32 load volts, at 60% duty cycle
Regulated Metal Deposition (RMD)
Precisely controlled short-circuit transfer technology, available as an option on Axcess™ models. For spatter reduction, up to 20% reduced heat input, or filling gaps
Resistance Spot Welding(RSW)
A process in which two pieces of metal are joined by passing current between electrodes positioned on opposite sides of the pieces to be welded. There is no arc with this process, and it is the resistance of the metal to the current flow that causes the fusion. Spot welding requires the following equipment: air- or water-cooled spot welder, set of 2 tongs and set of 2 tips. Consumables are not required to spot weld
Root Mean Square. The "effective" values of measured AC voltage or amperage. RMS equals 0.707 times the maximum, or peak value
Semiautomatic Welding
The equipment controls only the electrode wire feeding. The welding gun movement is controlled by hand
Optimizes the size and shape of the arc cone, bead width and appearance, and puddle fluidity. Available on the 60M feeders
Sharp Start™
A software function on the Auto Invision™ -II, that conrols weld stop and sharpens the tip of the wire, ensuring a good start for the next weld
Shielding Gas
Protective gas used to prevent atmospheric contamination of the weld pool
Single-Phase Circuit
An electrical circuit producing only one alternating cycle within a 360 degree time span
Smart Fuel Tank
Tank's design minimizes chance of fuel backflow
The metal particles blown away from the welding arc. These particles do not become part of the completed weld
Spot Welding
Usually made on materials having some type of overlapping joint design. Can refer to resistance, MIG or TIG spot welding. Resistance spot welds are made from electrodes on both sides of the joint, while TIG and MIG spots are made from one side only
The AC output of a power source that has the ability to rapidly switch between the positive and negative half cycles of alternating current
Stick Welding (SMAW or Shielded Metal Arc)
An arc welding process which melts and joins metals by heating them with an arc, between a covered metal electrode and the work. Shielding gas is obtained from the electrode outer coating, often called flux. Filler metal is primarily obtained from the electrode core. An AC/DC welder is recommended for Stick. For most applications, DC reverse polarity welding offers advantages over AC, including easier starts and out-of-position welding, smoother arc and fewer arc outages and sticking. Consumables: stick electrodes
Submerged Arc Welding (SAW)
A process by which metals are joined by an arc or arcs between a bare metal electrode or electrodes and the work. Shielding is supplied by a granular, fusible material usually brought to the work from a flux hopper. Filler metal comes from the electrode and sometimes from a second filler rod
TIG Welding (GTAW or Gas Tungsten Arc)
Often called TIG welding (Tungsten Inert Gas), this welding process joins metals by heating them with a tungsten electrode which should not become part of the completed weld. Filler metal is sometimes used and argon inert gas or inert gas mixtures are used for shielding. Consumables: tungsten electrode, filler metal, shielding gas
Three-Phase Circuit
An electrical circuit delivering three cycles within a 360 degree time span, and the cycles are 120 electrical degrees apart
Tip Saver Short Circuit Protection™
Shuts down output when the MIG contact tip is shorted to the work, on the Millermatic 135 and 175. Extends contact tip life and protects machine
Trigger Reset
Permits quick reset at gun rather than at machine
A device used in the TIG (GTAW) process to control the position of the electrode, to transfer current to the arc, and to direct the flow of the sheilding gas
Touch Start
A low-voltage, low-amperage arc starting procedure for TIG (GTAW). The tungsten is touched to the workpiece; when the tungsten is lifted from the workpiece an arc is established
Rare metallic element with extremely high melting point (3410 o Celsius ). Used in manufacturing TIG electrodes
The pressure or force that pushes the electrons through a conductor. Voltage does not flow, but causes amperage or current to flow. Voltage is sometimes termed electromotive force (EMF) or difference in potential
Voltage-Sensing Wire Feeder
Feeder operates from arc voltage generated by welding power source
Volt-Amp Curve
Graph that shows the output characteristics of a welding power source. Shows voltage and amperage capabilities of a specific machine
WaveWriter™ File Management
Includes all Axcess™ File Management functions, plus a simple, graphical wave-shaping program for the most demanding pulsed MIG applications
Weld at Idle™
Allows PipePro™ 304 to automatically weld at a quiter, lower RPM, using less fuel. When more output is required, he machine goes to high speed without a change in arc. On the Trailblazer® Pro 350 D, a weld at idle lock switch allowd welding at low engine speed up to 180 amps
Weld Metal
The electrode and base metal that was melted while welding was taking place. This forms the welding bead
Weld Transfer
Method by which metal is transferred from the wire to the molten puddle. There are several methods used in MIG; they include: short circuit transfer, spray arc transfer, globular transfer, buried arc transfer, and pulsed arc transfer
Wind Tunnel Technology™
Internal air flow on many Miller inverters, that protects electrical components and PC boards from contamination, significantly improving reliability
Wire Feed Speed
Expressed in in/min or mm/s, and refers to the speed and amount of filler metal fed into a weld. Generally speaking the higher the wire feed speed, the higher the amperage
Workpiece Connection
A means to fasten the work lead (work cable) to the work (metal to be welded on). Also, the point at which this connection is made. One type of work connection is made with an adjustable clamp
Workpiece Lead
The conductor cable or electrical conductor between the arc welding machine and the work