Supporting measures to avoid EMC problems:
1.
Grid power supply
-
If electromagnetic interference occurs despite a grid connection that
complies with regulations, take additional measures (e.g., use a suitable
grid filter).
2.
Welding power-leads
-
Keep them as short as possible
-
Route them close together (also to avoid EMF problems)
-
Route them far from other lines
3.
Equipotential bonding
4.
Workpiece grounding
-
If necessary, establish grounding using suitable capacitors.
5.
Shield, if necessary
-
Shield other devices in the vicinity
-
Shield the entire welding installation
EMF measures Electromagnetic fields may cause health problems that are not yet known:
-
Effects on the health of persons close by, e.g., those with pacemakers and
hearing aids
-
Persons with pacemakers must seek advice from their doctor before staying
in the immediate vicinity of the device and the welding process
-
Keep distances between welding power-leads and the head/torso of the
welder as great as possible for safety reasons
-
Do not carry welding power-leads and hosepacks over your shoulder or wrap
them around your body or body parts
Particular haz-
ard areas
Keep hands, hair, loose clothing, and tools away from moving parts, such as:
-
Fans
-
Gears
-
Rollers
-
Shafts
-
Wirespools and welding wires
Do not reach into rotating gears of the wire drive or into rotating drive parts.
Covers and side panels must only be opened/removed during maintenance and
repair work.
During operation
-
Ensure that all covers are closed, and all side parts have been mounted prop-
erly.
-
Keep all covers and side parts closed.
The protrusion of welding wire from the welding torch represents a high risk of
injury (cuts to the hand, facial and eye injuries, etc.).
Therefore, always hold the welding torch away from the body (devices with
wirefeeder) and use suitable protective goggles.
Do not touch the workpiece during or after welding – risk of burns.
Slag may fly off cooling workpieces. Therefore, also wear regulation-compliant
protective equipment when reworking workpieces and ensure that other persons
are sufficiently protected.
Leave the welding torch and other parts with a high operating temperature to
cool before working on them.
11
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