Miller Arc Stud Welding Fundamentals Посібник - Сторінка 10

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2-9.

Arc Stud Welding Guns

There are two basic arc stud welding guns available:
D Portable, pistol grip configuration, which is used for hand-held or manual operation.
D Fixed, production gun, which is usually mounted on a positioning device and is usually incorporated with an auto-
matic fastener loading system.
The portable, pistol grip design is offered in three capacities:
D Light Duty (Stud diameters 1/8 in (3.2 mm) to 3/8 in (9.5 mm)
D Standard Duty (Stud diameters 1/8 in (3.2 mm) to 5/8 in (15.9 mm)
D Heavy Duty (Stud diameters 1/8 in (3.2 mm) to 1-1/4 in (31.8 mm)
Portable stud guns normally weigh between 4.5 lb (2 kg) to 9 lb (4 kg) with the body being constructed of high impact
plastic.
The stud gun consists of a body, trigger and lift mechanism. Stud gun accessories consist of a chuck or fastener holder,
and an adjustable support (leg) for the ferrule holder (grip). Chucks and ferrule holders are easily changed to permit
various diameters of studs and ferrules to be used. An adjustment for the lift of the fastener is provided on the stud gun.
Some manufacturers use a permanent ferrule rather than individuals ferrules.

2-10. Pistol Grip Stud Gun Components

1/8 in to 3/16 in (Adjust
legs so that stud extends
beyond ferrule shown).
3
4
5
6
1
Leg Screw
2
Chuck Adapter
3
Set Screw
Page 8
2
9
8
7
4
Ferrule (Center Stud in Ferrule)
5
Ferrule Grip
6
Foot Screws
1
7
Foot
8
Legs
9
Chuck