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Home > Heavy Equipment > Welding Machines
 

Welding Machines

Welding Machines | Plantas de Soldar

A welding power supply is a device that provides an electric current to perform welding. Welding usually requires high current (over 80 amperes) and it can need above 12,000 amps in spot welding. Low current can also be used; welding two razor blades together at 5 amps with gas tungsten arc welding is a good example. A welding power supply can be as simple as a car battery and as sophisticated as a modern machine based on silicon controlled rectifier technology with additional logic to assist in the welding process.

Welding machines are usually classified as constant current (CC) or constant voltage (CV); a constant current machine varies its output voltage to maintain a steady current while a constant voltage machine will fluctuate its output current to maintain a set voltage. Shielded metal arc welding will use a constant current source and gas metal arc welding and flux-cored arc welding typically use constant voltage sources but constant current is also possible with a voltage sensing wire feeder.
 
The nature of the CV machine is required by gas metal arc welding and flux-cored arc welding because the welder is not able to control the arc length manually. If a welder attempted to use a CV machine to weld with shielded metal arc welding the small fluctuations in the arc distance would cause wide fluctuations in the machine's output. With a CC machine the welder can count on a fixed number of amps reaching the material to be welded regardless of the arc distance but too much distance will cause poor welding.

 
 Products (Total Items: 19)
TORPEDO LINCOLN ARC WELDER SAE 300
TORPEDO LINCOLN ARC WELDER SAE 300
Average Rating 0 Review(s)
Your Price: $1,800.00
VERTEX 7500 WELDER
VERTEX 7500 WELDER
Average Rating 0 Review(s)
Your Price: $950.00
Victor Cutting Torch HC1151C 49
Victor Cutting Torch HC1151C 49"
Average Rating 0 Review(s)
Your Price: $295.00
Victor Cutting Torch ST930C 36
Victor Cutting Torch ST930C 36"
Average Rating 0 Review(s)
Your Price: $325.00
Victor Cutting Torch HC1131C 38
Victor Cutting Torch HC1131C 38"
Average Rating 0 Review(s)
Your Price: $195.00
Victor Cutting Torch ST931FC 38
Victor Cutting Torch ST931FC 38"
Average Rating 0 Review(s)
Your Price: $195.00
Victor Cutting Torch ST1670C 37
Victor Cutting Torch ST1670C 37"
Average Rating 0 Review(s)
Your Price: $195.00
Uniweld US Cutting Torch 851 73
Uniweld US Cutting Torch 851 73"
Average Rating 0 Review(s)
Your Price: $395.00
Victor Cutting Torch HC1171C 74
Victor Cutting Torch HC1171C 74"
Average Rating 0 Review(s)
Your Price: $395.00
Victor Cutting Torch HC1171C 73
Victor Cutting Torch HC1171C 73"
Average Rating 0 Review(s)
Your Price: $395.00
Uniweld US Cutting Torch 54
Uniweld US Cutting Torch 54"
Average Rating 0 Review(s)
Your Price: $245.00
Uniweld US Cutting Torch 851 48
Uniweld US Cutting Torch 851 48"
Average Rating 0 Review(s)
Your Price: $295.00
Uniweld US Cutting Torch 851 36
Uniweld US Cutting Torch 851 36"
Average Rating 0 Review(s)
Your Price: $195.00
Harris Cutting Torch 62-4 36
Harris Cutting Torch 62-4 36"
Average Rating 0 Review(s)
Your Price: $195.00
TORCH HOSE W/ TORCH & VICTOR REGULATOR Set
TORCH HOSE W/ TORCH & VICTOR REGULATOR Set
Average Rating 0 Review(s)
Your Price: $895.00
WELDING TORCH HOSE
WELDING TORCH HOSE
Average Rating 0 Review(s)
Your Price: $50.00
MILLER 250 DNT WELDER
MILLER 250 DNT WELDER
Average Rating 0 Review(s)
Your Price: $2,250.00
Red-D-Arc GX 271 Chopper Portable Welder/Generator
Red-D-Arc GX 271 Chopper Portable Welder/Generator
Average Rating 0 Review(s)
Your Price: $1,900.00
Welding Hose
Welding Hose
Average Rating 0 Review(s)
Your Price: $24.99
  
 
2001 Ford F350 XL Crew-Cab Dually Pickup Truck 2001 Ford F350 XL Crew-Cab Dually Pickup Truck
$17,500.00
2011 Dodge Ram 5500 Service Truck
$24,950.00
Skill Saw
$15.00

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USA Dealer
1049 E 32nd St Central Los Angeles, CA 90011 US
Phone: 3232323300 Website: usa-dealer.net