Arc welding device
The invention relates to a device for arc-welding magnetized pipes using a coated welding electrode, comprising a welding current source, a current inverter having a control unit and a welding electrode, and also provided with a line switch and a relay having two open contacts, the current inverter...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to a device for arc-welding magnetized pipes using a coated welding electrode, comprising a welding current source, a current inverter having a control unit and a welding electrode, and also provided with a line switch and a relay having two open contacts, the current inverter is connected to the respective positive and negative outputs of the welding current source via the positive and negative inputs, to the welding electrode via the welding electrode output, and has a product output for connection to the product, in which case a break contact is connected to the positive and welding electrode ends of the current inverter, and the product output is connected to the product. One disconnection contact is connected to the input end of the current inverter, the other disconnection contact is connected to the negative end and the product end of the current inverter, one output end of the control unit is connected to the input end of the current inverter, the relay is connected to the other |
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