Striking An Arc − Scratch Start Technique
! Welding current starts as soon
as electrode touches the workpiece.
_ The scratch-start technique is preferred for ac welding.
1
Electrode
2
Workpiece
3 Arc Drag electrode across workpiece like striking a match; immediately
lift electrode slightly after touching work. If arc goes out, electrode was lifted
too high. If electrode sticks to workpiece, use a quick twist to free it
sumber : http://www.millerwelds.com
0 komentar:
Posting Komentar