Design and function
MIG/MAG welding
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04.06.2020
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5.2.2 MIG/MAG function torch
The torch trigger on the MIG welding torch is generally used to start and finish the welding process. Func-
tion torches feature additional operating elements to set the wire feed speed and voltage correction.
Welding torches with one rotary knob, one rocker or one pair of buttons only must be configured on the
machine control appropriately. For this purpose, set the FRC special parameter to the corresponding ac-
cessory component
> see 5.6 chapter
.
5.2.3 MIG/MAG Push/Pull welding torch
Pin assignment
without
potentiometers
with potentiometer for
wire feed speed
with potentiometers for
wire feed speed and arc
length correction
Figure 5-13
5.2.4 Wire feed
CAUTION
Risk of injury due to moving parts!
The wire feeders are equipped with moving parts, which can trap hands, hair, clothing
or tools and thus injure persons!
• Do not reach into rotating or moving parts or drive components!
• Keep casing covers or protective caps closed during operation!
Risk of injury due to welding wire escaping in an unpredictable manner!
Welding wire can be conveyed at very high speeds and, if conveyed incorrectly, may
escape in an uncontrolled manner and injure persons!
• Before mains connection, set up the complete wire guide system from the wire spool to the
welding torch!
• Check wire guide at regular intervals!
• Keep all casing covers or protective caps closed during operation!
5.2.4.1 Inserting the wire spool
CAUTION
Risk of injury due to incorrectly secured wire spool.
If the wire spool is not secured properly, it may come loose from the wire spool support
and fall to the ground, causing damage to the machine and injuries.
• Make sure to correctly fasten the wire spool to the wire spool support.
• Before you start working, always check the wire spool is securely fastened.