Tweco 181i Fabricator User Manual download pdf (Page 72)

Fabricator 181i

BASIC WELDING GUIDE 4-14 Manual 0-5191

Art # A-07699_AB

45° from

vertical

60° - 70° from line

of weld

Figure 4-23: Electrode Position for HV Fillet Weld

Art # A-07700_AB

Figure 4-24: Multi-runs in HV Fillet Weld

C. Vertical Welds

1. Vertical Up

Tack weld a three feet length of angle iron to your work bench in an upright position. Use a 1/8"(3.2mm)

E7014 Stick electrode and set the current at 100 amps. Make yourself comfortable on a seat in front of the

job and strike the arc in the corner of the ﬁllet. The electrode needs to be about 10º from the horizontal to

enable a good bead to be deposited. Refer Figure 4-25. Use a short arc, and do not attempt to weave on

the ﬁrst run. When the ﬁrst run has been completed de-slag the weld deposit and begin the second run at

the bottom. This time a slight weaving motion is necessary to cover the ﬁrst run and obtain good fusion

at the edges. At the completion of each side motion, pause for a moment to allow weld metal to build up

at the edges, otherwise undercut will form and too much metal will accumulate in the centre of the weld.

Figure 4-26 illustrates multi-run technique and Figure 4-27 shows the effects of pausing at the edge of

weave and of weaving too rapidly.

Art # A-07701

Figure 4-25: Single Run Vertical Fillet Weld

Art # A-07702

Figure 4-26: Multi Run Vertical Fillet Weld

Art # A-07703

Figure 4-27: Examples of Vertical Fillet Welds

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Tweco 181i Fabricator User Manual Page 72