The manual welding of plastics is a skilled job and even more tricky than welding metalwork.
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For manual welding methods, labor costs generally make up the vast majority of the total cost.
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This is important because in manual welding, it can be difficult to hold the electrode perfectly steady, and as a result, the arc length and thus voltage tend to fluctuate.
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Constant current power supplies are most often used for manual welding processes such as gas tungsten arc welding and shielded metal arc welding, because they maintain a relatively constant current even as the voltage varies.
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Thermacut s specific emphasis is the manufacturing and sales of replacement and spare parts, consumables and replacement torch heads for plasma cutting / welding with additional product offerings for MIG / MAG and TIG manual welding.
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Gas tungsten arc welding ( GTAW ), or tungsten inert gas ( TIG ) welding, is a manual welding process that uses a nonconsumable tungsten electrode, an inert or semi-inert gas mixture, and a separate filler material.
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