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08 stitch welding operation, 08 stitch welding operation -11, Fabricator 210 – Tweco 210 MIG Thermal Arc Fabricator User Manual

Page 49

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FABRICATOR 210

Manual No. 0-4855

4-11

OPERATION

Advantages of MIG welding forehand:

- Allows superior visibility of the weld zone

- Flatter weld bead

- Shallower penetration

Forehand

Vertical

Backhand

Art # A-07185

Figure 4-17: MIG Gun Angle

4.08 Stitch Welding Operation

Welding consumable costs can be reduced by replacing a continuous weld bead with the Stitch weld bead. It will
also reduce heat distortion in thin plate.

Coarse & Fine Voltage Selector Switches and Wire Speed Control

Set these controls to obtain the desired welding conditions for the wire and material being welded.

Mode Selector Switch

Set the WELD MODE switch to STITCH.

Weld (Spot/Stitch) Timer Control

Adjust the WELD (Spot/Stitch) Timer Control knob for the desired weld or ‘ON’ time while stitch welding.

Dwell Time

Adjust the DWELL (Stitch) Timer Control knob for the desired interval or ‘OFF’ time while stitch welding.