File : pdf, 2.4 MB, 32 pages

TOC
General

Equipment
- power sources
- wire feeding

• semiautomatic submerged arc
• flux feeding
• arc starting
• gun positions
• electrical extensions

- guns and flux systems
- fixtures

Consumables
- fluxes

• fused
• bonded
• agglomerated
• mechanically mixed
• particle size
• wire and flux identification

- wires

Preparing to weld
- joint cleaning
- joint fit-up
- bead placement
- flux depth
- preheat and interpass temperature

Making the weld
- starting
- voltage
- amperage/wire feed speed
- travel speed
- electrode size
- electrode extension
- polarity

welding hints
- circumferential welds
- fillet welds
- lap welds
- weld defects and troubleshooting

special applications
- cladding
- stainless steel

download : pdf1