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Seiwa spot welder welding transformer battery unitek
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Seiwa SIW-340i high frequency inverter with SIT-340 transformer(air and water cooled). This unit came from an electronic company , clean room environment. Welder is in excellent shape, comes as you see on photos, Inverter, transformer, connecting cables and manual, what you see is what you will get. Unit has been tested and performs as new (we noticed that there are a few lines on the LCD screen which has no affect on its operation). They sell for over $10K new, these are one of the best welders in existence. These units are great for the following applications:
Batteries Electronic Components
Battery Pack Mechanical Relays
Tabs to Cells Cathode Ray Tubes
NiCad, NiMH, Li Ion Capacitor Assemblies
Air Bag Detonators Tungsten Filament to Post
HIGH FREQUENCY INVERTER WELDING POWER SUPPLIES
The SIW-340i utilizes three different control
modes: constant current, constant voltage, and
Constant VA (Voltage x Current). Maintaining an
accurate heat on every weld, resulting in the
reduction of scrap and an increase in production.
The pre-weld monitor prevents a weld from occurring if the
resistance of the parts to be welded varies outside preset limits.
The SIW-340i can monitor one of three different monitor modes:
current, voltage, or VA (Voltage x Current), depending on the control mode,
letting the operator know if the weld has gone outside preset limits.
The SIW-340i Seam weld version allows continuous or roll spot seams.
Standard or custom seam weld heads with speeds up to 6 inches/second are also available.
