Explain forging process used to manufacture the spanners. 

1 Answer

Answer :

Answer: Forging process used for production of spanner:

1) Fullering -The heated stock is elongated by reducing its cross section in first die. 

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2) Edging- The metal is redistributed, increasing the cross section at certain places and reducing at others as required filling the cavities of the die.

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3) Blocking - General shape is given in first blocking die. 

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4) Impression die- Finished shape is given to forging in final impression die. 

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(5)Trimming: Flash is removed

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(6) Heat treatment and machining is done as per requirement.   

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