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APPENDIX D: RESISTANCE WELDING BASICS
MATERIAL
ELECT
RWMA
TYPE
Nickel Alloy
-2
NiSpan C
-2
NiSpan C
-2
NiSpan C
-2
Niobium
-2
Platinum
-2
Paliney 7
-2
Silver
-11, -14
Silver
-11, -14
Silver
-11, -14
Silver
-11, -14
Silver
-11, -14
Cold Rolled Steel
-2
Cold Rolled Steel
-2
Cold Rolled Steel
-2
Stainless Steel
-2
Stainless Steel
-2
Tantalum
-2
Titanium
-2
Tungsten
-2
Zinc
-14
Electrode Maintenance
Depending on use, periodic tip resurfacing is required to remove oxides and welding debris from
electrodes. Cleaning of electrodes on production line should be limited to use of #400-600 grit
electrode polishing disks. For less critical applications, a file can be used to clean a badly
damaged tip. However, after filing, polishing disks should then be used to ensure that the
IP-215A/IP-217A FINE SPOT WELDING POWER SUPPLIES
D-6
MATERIAL
ELECT
RWMA
TYPE
Cold Rolled Steel
-2
NiSpan C
-2
Cold Rolled Steel
-2
Stainless Steel
-2
Niobium
-2
Platinum
-2
Paliney 7
-2
Silver
-11, -14
Cadmium
-13
Cold Rolled Steel
-2
Stainless Steel
-2
Palladium
-14
Cold Rolled Steel
-2
Stainless Steel
-2
Tantalum
-2
Stainless Steel
-2
Tungsten
-2
Tantalum
-2
Titanium
-2
Tungsten
-2
Zinc
-14
993-603 REV A: October, 1996
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