Equipment For Semi-automatic And Automatic Filler Metals Wire-feed Systems Flashcards
1
Q
What is the most common wire feed system?
A
Push type
2
Q
How far can hard wires such as low-carbon steel and stainless steel be pushed? And soft wires such as aluminum?
A
6m (20 ft.)
3m (10 ft.)
3
Q
How far can a push-pull type system extend the wire feed distance?
A
9m (30 ft.)
4
Q
What are spool guns mostly used for?
A
Welding aluminum
5
Q
What controls gas and water flow in a wire feed unit?
A
A solenoid controls the gas and water flow.
6
Q
What type of wire feeders are used for CV and CC power sources?
A
Constant-speed wire feeder is used for CV
Variable-speed is used for CC