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Resistance Spot Welding
In this process, a spot of weld is made between overlapping sheets by means of two cylindrical copper alloy electrodes, one on top and the other at the bottom, which carry a high current. The electrodes also clamp the work and apply pressure when the metal at the joint gets sufficiently heated by electrical resistance. A tiny button of fused metal results at the sheet interface and it is called nugget. The electrodes are retracted after the weld is completed. The process is used in large scale in automobile production.
Bearing Materials Generally it can be said as a good bearing material must posse following characteristics as: It must be strong enough to sustain bearing load. It
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Thin wall tube has diameter of 60mm. The end of it will be compressed to square form. Calculate how many percents torsion strength will becomne lower at the end of tube?
short notes on nonlinear sweep
LIMITATIONS OF GAS TUNGSTEN ARC WELDING (GTAW) It Produces lower deposition rates than consumable electrode arc welding processes. It Requires slightly more skill as comp
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