HOT STAMPING METHOD FOR MANUFACTURING VEHICLE BODY PARTS
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United States of America Patent
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Mar 16, 2017
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Oct 2, 2008
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Provided is a hot stamping method for manufacturing high strength vehicle body parts. The hot stamping method includes: high frequency induction heating a blank in a first heating furnace while transferring the blank; heating the heated blank to an austenitization temperature or more of a corresponding blank while transferring the heated blank from the first heating furnace to a second heating furnace; and drawing the blank heated to the austenitization temperature or more in the second heating furnace to form and cool the blank by using a press forming apparatus. According to the hot stamping method, it is possible to achieve excellent productivity and reduce energy.
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