Completely synergetic MIG/MAG robot welding machine used for inert gas metal arc welding has a tachometer to determine the wire conveying speed and a calculating device for structuring the process
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Welding current source used for arc welding processes comprises a transformer, a capacitor, a power transistor, throttle, a welding current measuring device, and a welding voltage exit
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welding equipment
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System for electric arc welding based on welding current source and wire feed connected with it with welding torch and contact tube also earth connection to workpiece and contacting point
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Method and device for resistance welding
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Rectifier-power pack e.g. for welding or plasma-cutting apparatus
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Arc welder
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Arc welding device with a transformerless power supply
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Electronic circuit with rectifier circuit for supplying DC voltage to appliances from AC mains supply
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Process for feeding a welding electrode and welding device
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DIODE ARRANGEMENT IN RESISTANCE WELDING MACHINES
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Plug connections for welding lines
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Electrode driving circuit for resistance welding machines - uses counterbalanced pneumatic cylinder minimising noise when electrode meets workpiece
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Circuit for operating DC welding machine from AC mains - uses six phase output from transformer with six thyristors
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Resistance welding sheet metal to mfr. cabinets - where sheets are clamped on a mandrel to make corner welds
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Shielded arc welding - with filler wire feed controlled by arc current
