Klutch 62499, Руководство пользователя, Страница: 17 / 27

Page 17 of 27
2.
GROUND CLAMP CONNECTION
Clear any dirt, rust, scale, oil, or paint on the ground clamp. Make certain you have a good
solid ground connection. A poor connection at the ground clamp will waste power and heat.
Make sure the ground clamp touches the metal.
3.
ELECTRODE
The welding electrode is a rod coated with a layer of flux. When welding, electrical current
flows between the electrode (rod) and the grounded metal work piece. The intense heat of the
arc between the rod and the grounded metal melts the electrode and the flux.
4.
SELECTING THE PROPER ELECTRODE
There is no golden rule that determines the exact rod or heat setting required for every
situation. The type and thickness of metal and the position of the work piece determine the
electrode type and the amount of heat needed in the welding process. Heavier and thicker
metals require more amperage. It is best to practice your welds on scrap metal which
matches the metal you intend to work with to determine the correct heat setting and electrode
choice. See the following troubleshooting tips to determine if you are using a correct
electrode.
a.
When the proper rod is used:
i.
The bead will lay smoothly over the work without ragged edges.
ii.
The base metal puddle will be as deep as the bead that rises above it.
iii.
The welding operation will make a crackling sound similar to the sound of
eggs frying.
b.
When a rod that is too small is used:
i.
The bead will be high and irregular.
ii.
The arc will be difficult to maintain.
c.
When a rod that is too large is used:
i.
The arc will burn through light metals.