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The i4 Inverter Resistance Spot Welder is designed to handle the difficult to weld materials such as boron steels and Advanced High Strength Steels (AHSS). These new metals are rapidly becoming the material of choice among car manufacturers. The i4 includes an OEM programmable feature with detailed repair illustrations and customized weld programs.
The i4 comes standard with several different types of weld arm extensions (508mm U-Arm, C-Arm, Wheelhouse Arm) and others are available upon request, so that you can tackle any welding problem with as much ease and accuracy as possible.
The i4 features a clean, ergonomic interface layout with the power switch and electrode pressure knobs all set in a convenient and straight forward manner. It also has a large 4x6" monitor capable of displaying images and OEM repair procedures.
Cooling system for i4:
The i4 is both water cooled and air cooled. The air cooling starts when the temp reach 42c and shuts off automatically at 37c. Welding can remain while air cooling is on.
The water cooling is loop based system that cools the transformer weld cables and spot gun. While the water cooling is running the welder can operate as normal.
The reason for the two cooling system is that Pro Spot found it being most efficient and will extend the duty cycle of the welder.