Describe forging sequence for crank shaft.

Describe forging sequence for crank shaft.
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1 Answer

Answer :

Forging Sequence for Manufacturing Crank Shaft: [1] Stock is redistributed and size is increased at certain place and reduced at other place by roll forging.

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[2] After preliminary roll forging, stock is again roll forged. 

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[3] This stock is then forged in first impression or blocking die. 

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[4] The final shape is given to the forging in next blocking die.

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[5] Then the finished part is then trimmed in blanking die to remove excess metal or flash. 

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