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Automatic controlling method for arc length

阅读:405发布:2023-12-23

专利汇可以提供Automatic controlling method for arc length专利检索,专利查询,专利分析的服务。并且PURPOSE:To control arc length accurately even when welding current fluctuates by calculating arc voltage corresponding to set arc length from detected welding current and current-voltage characteristics stored in a memory device and controlling the position of the torch. CONSTITUTION:An arc length controller 10 is constituted centering around a microcomputer, and arc current and voltage characteristics (I-V characteristics) for several kinds of electrode diameter are stored in a read-only memory ROM. When a detected value Id of welding current of a detector 8 is inputted during welding, the controller 10 calculates a set value Vr of arc voltage corresponding to Id at set arc length of a setting device 11 from I-V characteristics value stored in ROM and the value Id. A driving controller 12 compares Vr with detected value Va of arc voltage of a detector 8' during welding, and drives a servo-motor 6 according to the deviation. A torch 1 is raised and lowered when Vr>Va, Vr,下面是Automatic controlling method for arc length专利的具体信息内容。

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