Dc Straight Polarity Welding; Dc Reverse Polarity Welding - Firepower FP-100 Instruction Manual

DC STRAIGHT POLARITY WELDING

The electrode in DC straight polarity (DCSP) welding is negative and the work surface is
positive. The current flow is from the electrode to the work.
Ideal Current for:
• Hard Facing.
• Build Up - Heavy Deposits.
• Cutting Steel.
AWS ROD NO.
R52 Hard Surface
General Purpose Tillage Tools
Subject to Impact and Abrasion
R88 Tung Rod To Resist Serious Abrasion
ARC CUTTING Cutting and Drilling All Metals
Drilling All Metals
E6011 Deep
Penetrating
ARC GOUGING
E6011 Deep Arc Gouging
Penetrating

DC REVERSE POLARITY WELDING

The electrode in DC reverse Polarity (DCRP) welding is positive and the work surface is negative. The current
flow is from the work to the electrode.
Ideal Current For:
• Overhead.
• Vertical.
• Cast Iron Welding.
• Heavy Aluminum.
• Rivet Welding.
• Sheet Metal.
• Low Hydrogen Welding.
• Arc Bronze Rod.
AWS ROD NO.
E6011 Deep Overhead and Vertical
Penetrating Welding or Rusty Metals
E7018 Low High Carbon Spring Steel
Hydrogen or Cast Steel
ENiCl Nickel Cast Iron
Machineable
E308-16 Cast Iron
Stainless Steel Stainless Steel or Unknown
Metal Max. Strength
USE
USE
14
ROD
SIZE AMPERAGE
1/8" 80 - 140 amps
1/8" 70 - 90 amps
1/8" 80 - Max.
1/8" Maximum Dial
5/32" Setting
5/32" Maximum Dial
ROD
SIZE AMPERAGE
1/8" 80 - 150 amps
5/32" 100 - 170 amps
1/8" 80 - 140 amps
5/32" 100 - 170 amps
3/32" 50 - 70 amps
1/8" 80 - 120 amps
3/32" 50 - 100 amps
1/8" 90 - 150 amps
METAL
THICKNESS
1/16" - Up
1/16" - Up
1/16" - Up
Any Thickness
Any Thickness
METAL
THICKNESS
1/8" - 1/2"
1/4" - Up
1/8" - 1/2"
1/4" - Up
1/16" - 1/4"
1/8" - Up
1/16" - 1/4"
1/4" - Up