CHAPTER 3: SYSTEM CONFIGURATION
HF-2500A HIGH FREQUENCY WELD CONTROL
3-22 990-371
Welding Applications
Weld Pulse Profile
Typical Application
Single-Pulse
Can be used for many of spot-welding applications. Use on flat parts
without plating, or on conductive parts such as those made of copper or
brass.
Upslope/Downslope
Upslope/Downslope should be used for the majority of spot welding
applications. Weld round parts, parts that are not flat, spring steel parts, or
heavily plated or oxidized parts.
Dual-Pulse
Use for spot welding parts with plating. First pulse can be used to displace
plating or oxides and the second pulse to achieve the weld.
For a detailed coverage of resistance welding theory, please refer to Appendix D, The Basics of Resistance
Welding.
Single-Pulse Weld Profile
Applications
• Flat parts that do not have any plating or heavy oxides. Conductive parts made of copper
or brass.
Description
Single-Pulse is a term used by the industry to describe the simplest heat profile used for many
resistance spot-welding applications.
Single-Pulse Weld Profile
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