Question
Download Solution PDFUpset butt welding is generally NOT used for manufacturing of _______
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
- It is utilized to join the metal pieces end to end.
- In this technique, the parts to be welded, usually bars and rods of the same cross-sectional area, are clamped edge to edge in copper jaws of the welding machine which acts as electrode clamps.
- One of the electrodes is fixed and the other is movable.
- The two ends of the workpieces are butted together in a solid contact so that their contact surface forms a locality of high electric resistance, while current flows to heat the joint quickly.
- At the point/surface of contact, the pressure applied upsets or forges the parts together.
- This process is suitable for welding non-ferrous materials in the shape of formed parts, tubes, bars, and rods.
- The voltage required is 2-8 V and the current required ranges from 50 A to several hundred amperes depending upon material and the area to be welded at a time
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