SOLUTION

Forging is the operation where the metal is heated and then a force is applied to manipulate the metal in such a way that the required final shape is obtained. Forging is generally a hot working operation though cold forging is used sometimes.

Fullering is a specialized forth of drawing out. In fullering operation, the material cross-section is decreased and length increased. To do this, the bottom fuller is kept in the anvil hole with the heated stock over the fuller. The top fuller is then kept above the stock and then with the sled hammer, the force is applied on the top fuller. The fullers concentrate the force over a very small area, thus decreasing the cross-section at that point Metal flows outward and away from the center of the fullering die.