Why do we need to perform tack welding?
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Why do we need to perform tack welding?
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Answer:
Tack welds are used to hold two metal pieces in place ready for final welding, just as a tailor may use pins to hold two pieces of material together before sewing. These welds make sure the workpieces are correctly and rigidly aligned, reinforcing or even eliminating the use of fixtures.
Explanation:
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