Explain forging sequence for camshaft.
Forging process for manufacturing Camshaft:
i) Stock is redistributed and size is increased at certain places & reduced at others by rolled forging.
ii) after preliminary roll forging, the stock is again roll forged.
iii) This stock is then forged in first impression or blocking die.
iv) final shape is given to the forging in next blocking die.
v) finished part is trimmed in blanking die to remove excess metal or flash.