Nibbling is a shearing process that utilises a series of overlapping cuts to make complex shapes from sheet metal. ... Slotting is a punching operation that cuts out an elongated or rectangular hole. ... special machinery that produces rotation- ally symmetrical (i.e., cone-shaped) hollow parts; usually from circular blanks.
Title | : | Manufacturing Technology-I |
Author | : | Gowri |
Publisher | : | Pearson Education India - 2007-09-01 |
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