This special welding machine for microwave oven door frame is a Resistance Spot Welder adopting capacitor discharge welding. It causes very little discoloration and leaves no welding burr. Equipped with a raster induction system to ensure worker safety, this Spot Welding Machine will stop running instantly once hands enter the working area during operation.
Features:
Adopt boosting charge and discharge capacitor, output current is more precision, lower strike to Power Grid, energy conservation, almost without deformation and discoloration, no grinding necessary.
Charging voltage with feedback control, auto-compensate voltage ensuring voltage stability, concordance of weld points is good, weld quality is high.
Machine body of thick steel sheet, not easy to deformation.
Welding current is DC, little reactance, effective power is more.
With the functions that max protection of charging voltage and alarm of charging circuit loop break.
LED display, easy to operate and maintenance.
Water cooling transformer: Use silicon sheets of 15000 gauss permeability to pile up. There is cooling water in inside, using full copper alloy core, reducing impedance, improving the utilization of power, 20% duty cycle to ensure the requirement of long time welding, big output power. The useful lifetime is longer, noise is smaller, structure is more compact and reasonable.
Fast solenoid valve, making welding speed faster, thereby the productivity is higher, therefore decreasing cost. This Automatic Spot Welder delivers outstanding efficiency and helps cut production costs effectively. Cylinder adopt high accurate, anti-friction hard material, which is duralumin, without rust, lower friction, lower noise and loading is faster, thereby reducing the weld spatter.
Quality is stable, failure rate is low, therefore machine life is longer.
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