Method for manufacturing wrench handle with pressed...

Details Method for manufacturing wrench handle with pressed... Method for manufacturing wrench handle with pressed...

B - Operations, Transporting

21

K

B21K 5/18 (2006.01) B21J 1/06 (2006.01) B21J 5/12 (2006.01) B21K 5/16 (2006.01) B23P 15/00 (2006.01)

Patent

CA 2566548

A method for manufacturing a wrench handle includes preheating a work piece made of metal, with a layer of carbon scale being generated on the work piece during preheating. The work piece is forged to form a wrench handle, with the carbon scale on the work piece being forged into a surface of the wrench handle during forging. The carbon scale is then removed, leaving a pitted area with a plurality of pits in the surface of the wrench handle. Finally, a concealment treatment is carried out, wherein the pitted area of the surface of the wrench handle is pressed inward to form an indentation section on the surface of the wrench handle for covering the pits.

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