Blade fabricating apparatus and process by induction heating

Details Blade fabricating apparatus and process by induction heating Blade fabricating apparatus and process by induction heating

C - Chemistry, Metallurgy

21

D

327/15

C21D 1/42 (2006.01) C21D 1/60 (2006.01) C21D 9/22 (2006.01)

Patent

CA 1146226

BLADE FABRICATING APPARATUS AND PROCESS BY INDUCTION HEATING Abstract of the Disclosure A process and apparatus for cleanly and efficiently fabri- cating winged lawn mower blades from unfinished milled blade blanks. The unfinished blades are positioned in a magazine and fed one after the other to a heating station where they are inductively heated from one side only to increase the effective thickness of material available to support the flux. When a preselected temperature above the curie temperature of the blade metal is reached the blade is automatically moved to a press and hot-formed therein. The blade then is delivered edgewise into an agitated non-polluting quench solution containing polyalkylene glycol and vigorously sprayed to assure a consistent Rockwell C hardness. A conveyor delivers the blades from the quench tank to a tempering furnace for further heat-treatment.

349040

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