SI2855041T1 - Postopek za izdelavo preoblikovanih pločevinastih delov pri nizki temperaturi - Google Patents

Postopek za izdelavo preoblikovanih pločevinastih delov pri nizki temperaturi Download PDF

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Publication number
SI2855041T1
SI2855041T1 SI201330995T SI201330995T SI2855041T1 SI 2855041 T1 SI2855041 T1 SI 2855041T1 SI 201330995 T SI201330995 T SI 201330995T SI 201330995 T SI201330995 T SI 201330995T SI 2855041 T1 SI2855041 T1 SI 2855041T1
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Slovenia
Prior art keywords
semi
finished product
plate
transformed
temperature
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Application number
SI201330995T
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English (en)
Inventor
Axel Gruneklee
Markus Zornack
Thomas Heller
Ekaterina Bocharova
Rizi Seyed Amin Mousavi
Original Assignee
Outokumpu Nirosta Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Outokumpu Nirosta Gmbh filed Critical Outokumpu Nirosta Gmbh
Publication of SI2855041T1 publication Critical patent/SI2855041T1/sl

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K7/00—Making railway appurtenances; Making vehicle parts
    • B21K7/12—Making railway appurtenances; Making vehicle parts parts for locomotives or vehicles, e.g. frames, underframes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49616—Structural member making
    • Y10T29/49622—Vehicular structural member making

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
  • Body Structure For Vehicles (AREA)

Claims (13)

  1. Postopek za izdelavo preoblikovanih pločevinastih delov pri nizki temperaturi Patentni zahtevki
    1. Postopek za izdelavo preoblikovanega pločevinastega dela iz plošče (1) ali polizdelka iz materiala, ki sestoji iz jekla z vsaj 60 mas. % Fe in preostale vsebnosti avstenita vsaj 5 %, označen s tem, da se plošča (1) ali polizdelek pred preoblikovanjem vsaj delno ohladi na temperaturo, nižjo od -20 °C, ter se preoblikuje pri temperaturi, nižji od -20 °C v preoblikovalnem orodju, pri čemer se znižanje temperature materiala plošče ali polizdelka na pod -20 °C opravi v temperirani hladilni pripravi (3, 3').
  2. 2. Postopek po zahtevku 1, označen s tem, da se plošča (1) ali polizdelek neposredno pred preoblikovalnim postopkom vzame iz hladilne priprave (3, 3‘) in privede v preoblikovalno orodje (2, 4, 9).
  3. 3. Postopek po zahtevku 1, označen s tem, da se kot hladilna priprava uporabi preoblikovalno orodje (2, 4, 9), v katerem se plošča (1) ali polizdelek ohladi in potem preoblikuje.
  4. 4. Postopek po zahtevku 3, označen s tem, da preoblikovalno orodje (2, 4, 9) ploščo (1), namenjeno za preoblikovanje, ali polizdelek, namenjen za preoblikovanje, temperira samo v območjih (6), v katerih sta zahtevani visoka meja plastičnosti in natezna trdnost.
  5. 5. Postopek po zahtevku 3 ali 4, označen s tem, da se zaledenitev preoblikovalnega orodja (2, 4, 9), plošče (1) in/ali polizdelka prepreči z uporabo sredstev (8, 12) za razledenitev pred in med preoblikovanjem.
  6. 6. Postopek po enem od zahtevkov od 3 do 5, označen s tem, da se zaledenitev prepreči z uporabo mehanskih sredstev (12) za razledenitev in/ali z uporabo zaščitnega plina za ustvarjanje zaščitne plinske atmosfere (8) na ohlajenih območjih.
  7. 7. Postopek po enem od zahtevkov od 3 do 6, označen s tem, da se hlajenje preoblikovalnega orodja (2, 4, 9), plošče (1) in/ali polizdelka opravi z zaščitnim plinom, pri čemer prednostno zaščitni plin teče skozi pretočne kanale, ki so predvideni v preoblikovalnem orodju.
  8. 8. Postopek po enem od zahtevkov od 3 do 7, označen s tem, da znaša debelina stene plošče (1) ali polizdelka od 0,5 mm do 1,80 mm, prednostno od 0,7 mm do 1,20 mm.
  9. 9. Postopek po zahtevku od 1 do 8, označen s tem, da se preoblikuje plošča (1) ali polizdelek, ki ima površinski premaz in kot površinski premaz se po izbiri uporabi površinski premaz, ki vsebuje cink.
  10. 10. Postopek po enem od zahtevkov od 1 do 9, označen s tem, da se plošča (1) ali polizdelek preoblikuje kot strukturni del motornega vozila, pri čemer ima strukturni del območja z različnimi trdnostmi.
  11. 11. Postopek po zahtevku 10, označen s tem, da se plošča (1) ali polizdelek preoblikuje v steber (13, 14, 15), nosilec (17), velikopovršinsko komponento (18), talno pločevino, tunel, čelno steno ali zunanji del okrova kolesa motornega vozila.
  12. 12. Postopek po zahtevku 10 ali 11, označen s tem, da se plošča (1) ali polizdelek preoblikuje v B-steber (13) motornega vozila, pri čemer ima vsaj območje navezave (13b) na streho B-stebra večjo trdnost kot območje podnožja (13a) B-stebra.
  13. 13. Postopek po enem od zahtevkov od 10 do 12, označen s tem, da se plošča (1) ali polizdelek preoblikuje v vzdolžni nosilec (17) v sprednjem območju motornega vozila in vzdolžni nosilec (17) ima sprednje območje (17a), ki ima manjšo trdnost kot zadnje območje (17b).
SI201330995T 2012-05-31 2013-05-28 Postopek za izdelavo preoblikovanih pločevinastih delov pri nizki temperaturi SI2855041T1 (sl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012104734A DE102012104734A1 (de) 2012-05-31 2012-05-31 Verfahren und Vorrichtung zur Herstellung von umgeformten Blechteilen bei Tieftemperatur
PCT/EP2013/060934 WO2013178615A1 (de) 2012-05-31 2013-05-28 Verfahren und vorrichtung zur herstellung von umgeformten blechteilen bei tieftemperatur
EP13726170.7A EP2855041B1 (de) 2012-05-31 2013-05-28 Verfahren zur herstellung von umgeformten blechteilen bei tieftemperatur

Publications (1)

Publication Number Publication Date
SI2855041T1 true SI2855041T1 (sl) 2018-06-29

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SI201330995T SI2855041T1 (sl) 2012-05-31 2013-05-28 Postopek za izdelavo preoblikovanih pločevinastih delov pri nizki temperaturi

Country Status (13)

Country Link
US (1) US10532395B2 (sl)
EP (1) EP2855041B1 (sl)
JP (1) JP6068627B2 (sl)
KR (1) KR20150016319A (sl)
CN (1) CN104379272B (sl)
BR (1) BR112014030042A2 (sl)
DE (1) DE102012104734A1 (sl)
ES (1) ES2666312T3 (sl)
IN (1) IN2014MN02371A (sl)
MX (1) MX2014014544A (sl)
SI (1) SI2855041T1 (sl)
WO (1) WO2013178615A1 (sl)
ZA (1) ZA201409111B (sl)

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Also Published As

Publication number Publication date
EP2855041A1 (de) 2015-04-08
JP6068627B2 (ja) 2017-01-25
EP2855041B1 (de) 2018-01-31
ES2666312T3 (es) 2018-05-03
MX2014014544A (es) 2015-09-04
ZA201409111B (en) 2017-09-27
KR20150016319A (ko) 2015-02-11
CN104379272B (zh) 2017-03-15
JP2015519205A (ja) 2015-07-09
DE102012104734A1 (de) 2013-12-05
WO2013178615A1 (de) 2013-12-05
IN2014MN02371A (sl) 2015-08-14
CN104379272A (zh) 2015-02-25
US20150082636A1 (en) 2015-03-26
US10532395B2 (en) 2020-01-14
BR112014030042A2 (pt) 2019-09-03

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