Q. A forging method in which only a small portion of the part is deformed at any particular time and can be applied only to circular products is called :
Solution:
In closed die forging, a huge force is required to forge a component because whole of the product is forged at a time. In wobble forging, only a small proportion of the part is deformed at any particular time, thus forging forces are reduced considerably and capital cost is also low.
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