METHOD AND SPRAYING APPARATUS FOR THERMAL SURFACE TREATMENT OF A METAL PRODUCT

The invention relates to a method and to a spraying apparatus (10) for the thermal surface treatment of a metal product (1). The metal product (1) is conveyed in a transport direction (T) through a treatment section (12) of a spraying apparatus (10) equipped with cooling nozzles (16) while cooling f...

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Bibliographic Details
Main Authors SINGH, Harminder, MERS, Volker, HÜLLEN, Ina, LETZEL, Dirk, PLOCIENNIK, Uwe, STAVENOW, Axel, OLGEMÖLLER, Ingo
Format Patent
LanguageEnglish
French
German
Published 28.02.2024
Subjects
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
POWDER METALLURGY
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
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Summary:The invention relates to a method and to a spraying apparatus (10) for the thermal surface treatment of a metal product (1). The metal product (1) is conveyed in a transport direction (T) through a treatment section (12) of a spraying apparatus (10) equipped with cooling nozzles (16) while cooling fluid is discharged through the cooling nozzles (16) of the spraying apparatus (10) onto the surfaces of the metal product (1), wherein the metal product (1) has-viewed in the transport direction (T) of the metal product (1)-a front section (4) and a trailing rear section (5). The cooling of the surfaces of the metal product (1) within the spraying apparatus (10) occurs in such a manner that the rear section (5) of the metal product (1) is cooled more significantly than its front section (4). It is thereby achieved that an essentially uniform ferrite content forms in the material of the metal product (1) at a predetermined depth of the same over a longitudinal area extending between the front section (4) and the rear section (5).
Bibliography:Application Number: EP20210772737