Producing a partially hardened formed part

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United States of America Patent

PATENT NO 11555224
APP PUB NO 20200149125A1
SERIAL NO

16740587

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Abstract

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A process of producing a partially hardened metallic formed part comprises: heating a semi-finished product of hardenable hot-formable steel sheet to a hardening temperature; hot-forming the heated semi-finished product in a combined hot-forming cutting device into a three-dimensional formed part; cutting the formed part in the combined hot-forming cutting device; pressure-hardening the formed part in the hot-forming cutting device into a hardened formed part such that a first partial region is hardened by rapid cooling and that a second partial region of the formed part is heat-treated so as to comprise a greater ductility and a lower strength than the first partial region, wherein the operation of cutting the formed part takes place at least in one of the first and second partial region. A combined hot-forming cutting device can be used to produce a metallic formed part.

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Patent Owner(s)

Patent OwnerAddress
WEBA WERKZEUGBAU BETRIEBS GMBH4407 DIETACH / STEYR

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Graf, Johannes Kleinraming, AT 5 8
Weber, Klaus Haidershofen, AT 112 1120

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