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disadvantages of forging

Few dis-advantages of forging are given as under.

  1. Rapid oxidation in forging of metal surface at high temperature results in scaling which wears the dies.
  2. The close tolerances in forging operations are difficult to maintain.
  3. Forging is limited to simple shapes and has limitation for parts having undercuts etc.
  4. Some materials are not readily worked by forging.
  5. The initial cost of forging dies and the cost of their maintenance is high.
  6. The metals gets cracked or distorted if worked below a specified temperature limit.
  7. The maintenance cost of forging dies is also very high.
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