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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.
ROD
METAL
AWS ROD NO.
USE
SIZE
AMPERAGE
THICKNESS
R52
Hard Surface
General Purpose
Tillage Tools
1/8”
80 - 140 amps
1/16” - Up
Subject to Impact and Abrasion
R88 Tung Rod
To Resist Serious Abrasion
1/8”
70 - 90 amps
1/16” - Up
ARC CUTTING
Cutting and Drilling All Metals
1/8”
80 - Max.
1/16” - Up
Drilling All Metals
E6011 Deep
1/8”
Maximum Dial
Any Thickness
Penetrating
5/32”
Setting
ARC GOUGING
E6011 Deep
Arc Gouging
5/32”
Maximum Dial
Any Thickness
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.
ROD
METAL
AWS ROD NO.
USE
SIZE
AMPERAGE
THICKNESS
E6011 Deep
Overhead and Vertical
1/8”
80 - 150 amps
1/8” - 1/2”
Penetrating
Welding or Rusty Metals
5/32”
100 - 170 amps
1/4” - Up
E7018 Low
High Carbon Spring Steel
1/8”
80 - 140 amps
1/8” - 1/2”
Hydrogen
or Cast Steel
5/32”
100 - 170 amps
1/4” - Up
ENiCl Nickel
Cast Iron
3/32”
50 - 70 amps
1/16” - 1/4”
Machineable
1/8”
80 - 120 amps
1/8” - Up
E308-16
Cast Iron
3/32”
50 - 100 amps
1/16” - 1/4”
Stainless Steel
Stainless Steel or Unknown
Metal Max. Strength
1/8”
90 - 150 amps
1/4” - Up
14
Summary of Contents for FP-100
Page 2: ......
Page 24: ...Figure 12 FP 100 21...
Page 26: ...Figure 13 FP 235 23...
Page 28: ...Figure 14 FP 235 AC DC 25...
Page 30: ...27 Figure 15 FP 100 Wiring Diagram Figure 16 FP 235 Wiring Diagram...