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SMA 110 · Shielded Metal Arc Welding

Session 7 · Hour 1 · Lean it back

Instructor cue 희망은 지그가 아니다.

90 minNow Open · 5 min left · next Demo

Keep the little door open

Key-hole. Back 1.2 mm pass. Cap 2.2 mm pass.

Name the back bead

0/6

  • The top shrinks more. The plate becomes a V.

  • Lean it back one to three degrees.

  • A little door in the gap. Keep it open.

  • Too much current. The shelf melts. Metal falls.

  • Chip every pass. Slag is not a filler.

  • Reinforcement one and a half to three. No overlap.

CheckPreset the V. Run a key-hole root at eighty to ninety-five amps. Chip. Fill. Cap. Gauge the proud face. A full-amp root is a hole. Slag left in is a line of night.