FI3783120T3 - Jousilanka, siitä muodostettu puristin ja menetelmä tällaisen jousilangan valmistamiseksi - Google Patents
Jousilanka, siitä muodostettu puristin ja menetelmä tällaisen jousilangan valmistamiseksi Download PDFInfo
- Publication number
- FI3783120T3 FI3783120T3 FIEP19193224.3T FI19193224T FI3783120T3 FI 3783120 T3 FI3783120 T3 FI 3783120T3 FI 19193224 T FI19193224 T FI 19193224T FI 3783120 T3 FI3783120 T3 FI 3783120T3
- Authority
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- Finland
- Prior art keywords
- spring wire
- spring
- steel
- weight
- temperature
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims 13
- 229910000831 Steel Inorganic materials 0.000 claims 36
- 239000010959 steel Substances 0.000 claims 36
- 229910000639 Spring steel Inorganic materials 0.000 claims 22
- 238000005098 hot rolling Methods 0.000 claims 14
- 239000010955 niobium Substances 0.000 claims 12
- 239000011572 manganese Substances 0.000 claims 11
- 238000000034 method Methods 0.000 claims 11
- 238000001953 recrystallisation Methods 0.000 claims 11
- 229910052799 carbon Inorganic materials 0.000 claims 10
- 238000001816 cooling Methods 0.000 claims 10
- 238000010438 heat treatment Methods 0.000 claims 10
- 238000005096 rolling process Methods 0.000 claims 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 9
- 239000011651 chromium Substances 0.000 claims 9
- 230000000930 thermomechanical effect Effects 0.000 claims 9
- 239000012535 impurity Substances 0.000 claims 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 7
- 229910052720 vanadium Inorganic materials 0.000 claims 7
- 238000004804 winding Methods 0.000 claims 7
- 229910045601 alloy Inorganic materials 0.000 claims 6
- 239000000956 alloy Substances 0.000 claims 6
- 230000000052 comparative effect Effects 0.000 claims 6
- 229910052748 manganese Inorganic materials 0.000 claims 6
- 229910052710 silicon Inorganic materials 0.000 claims 6
- 229910052758 niobium Inorganic materials 0.000 claims 5
- 229910052698 phosphorus Inorganic materials 0.000 claims 5
- 239000000758 substrate Substances 0.000 claims 5
- 229910052717 sulfur Inorganic materials 0.000 claims 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 4
- 230000000694 effects Effects 0.000 claims 4
- 229910052742 iron Inorganic materials 0.000 claims 4
- 229910052757 nitrogen Inorganic materials 0.000 claims 4
- 239000000047 product Substances 0.000 claims 4
- 229910052782 aluminium Inorganic materials 0.000 claims 3
- 229910001566 austenite Inorganic materials 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 230000007423 decrease Effects 0.000 claims 3
- 229910000734 martensite Inorganic materials 0.000 claims 3
- 230000008092 positive effect Effects 0.000 claims 3
- 238000005496 tempering Methods 0.000 claims 3
- 238000005266 casting Methods 0.000 claims 2
- 229910052804 chromium Inorganic materials 0.000 claims 2
- 238000011161 development Methods 0.000 claims 2
- 230000018109 developmental process Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 239000000155 melt Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 150000004767 nitrides Chemical class 0.000 claims 2
- 238000004881 precipitation hardening Methods 0.000 claims 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- 241001669679 Eleotris Species 0.000 claims 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- DBIMSKIDWWYXJV-UHFFFAOYSA-L [dibutyl(trifluoromethylsulfonyloxy)stannyl] trifluoromethanesulfonate Chemical compound CCCC[Sn](CCCC)(OS(=O)(=O)C(F)(F)F)OS(=O)(=O)C(F)(F)F DBIMSKIDWWYXJV-UHFFFAOYSA-L 0.000 claims 1
- 230000032683 aging Effects 0.000 claims 1
- 238000005275 alloying Methods 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910001563 bainite Inorganic materials 0.000 claims 1
- 238000005452 bending Methods 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 238000010924 continuous production Methods 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005336 cracking Methods 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- 230000001934 delay Effects 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000007571 dilatometry Methods 0.000 claims 1
- 230000009931 harmful effect Effects 0.000 claims 1
- 230000001771 impaired effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 150000001247 metal acetylides Chemical class 0.000 claims 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims 1
- 238000005554 pickling Methods 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 claims 1
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 239000000161 steel melt Substances 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
- 238000009864 tensile test Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- -1 vanadium nitrides Chemical class 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/02—Hardening by precipitation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
- Springs (AREA)
Claims (15)
- i : i i 1 i i i i : i i 1 i i i i : i i 1 i i i i : i i 1 i i i i : i i 1 i i i i : i i 1 i i i i : i i 1 i i i i : i i 1 i i i i : i i 1 i i i i : i i 1 i i i i : i i 1 i i i i : i i 1 i i joi i i Pood i i isi i i 0 O! MIN i ji Zi i i i i i Kio do! PES nro!
- Ko. ji } ii Xi o) ol n KO. ii (ojo jo i iisi 00 s i i i i ; i i i = eeekRes CT i i 1 N | 2 olg | ii i i i i i i i EP i ~ i ii i id i i i i i i i i i i | i 10 | £ | i Koi i Eid iZi i i i i i i i i i i i i i 1 i Lä | | fi oo N mitt i idi Zl o) o: AN i i i i i i it: is si io of ij | | EI soo on i i i i ST i : A a hel i i i i i i i i i i ; N | | | i i i i i i i i 88 + | / | SEN i i i i i N 218 s | i i Koi do i i i i i . i i i i : i ili 22 o | E ole ot > 5 | i Koi o i i i ! i i io i i i i Koi di i i i io oi mio: K! io | in i | OHO jo; FT 7 Elda | OK 15 Koi od i i < io! oi o! > mo i | i i i i 1 i i OL | Lt. omi 0i0o | Mio oi i 10 10 | N i i i i i 7 Zi O O jO | NU i i i ir a i j— O jO |O i KU aan 25 ) Koi i Por oro i 25 | Koi i KO rb i i i i i i i i i == | Koi i KO rb io: i i i i i i i i i i i IN: i i i
- [1] | N & o Eo 00. Li IN OTIN i (L: Pelee = = = ol | i i ia vi i iin; ÖP (i N IN IN | ii = Pinin! Oi ioiojolo N i igi SO Oi + lo] Oi lcioclolololo | ini isid SiO] — bd olo | Xi EE ie. mi ci i Knin tit IL / | i i x s a i 1 I , | | | | | i i i i i f i i i : i i i i i i N | | | Pod i i i i i i i i i i i i i i i RI Lo Kio i Co i i i i i i i i i i eid < {=< = ST 328 i SES s je E SE 383 Er: else E isi no Koi 1 1 i n 822/2/8/8]2 8 RRE JE
- 4 . . i A 3323 SE (Ois. 0 OO: TID i 3 o € DS MO No IN i ii i = iti e e STN, = | | : : i i i ii i EAN E m iin dm) 3 | o i i i i i i i TT 2 Ki i idi I a | i O ii i i N | i i i i i i i i ii O O 2222 = E elelee alo = i i i i i i i i O i I in i ooo jo i | 885 HEH oi lololo OO | icio: oo 90; 85 > > = i i i (OP: i POO i lolojolo > | PEE [Sid oo; — — clo |S ri =I S38. 83 Koi od i is 2 =) =i [OID i i 1 i i feeeeeelinnnnedes i TIN i als 5 i Freed od Koi do i j O i i joi iu i i ! ! je i i i i | i i hol 16 | 11 |] MUN | : i FE i Si RIN 0 [19 [19 en | | un a s SS RIPS | O iw i KR iei 0010 Sisis = E =o] s 555555 E s CTsEIN. Is S. 5 : gE i ~~ te i ~ i ~ i = is i n in vi i i i i Koi i i | S i {of oi Lil Shel 3 I dd | i i < io Se i i i i |= HE. ie = olo j O a == oi 10 010 o lo lo 3 Koi i rp 22020222 [= NN ||] 2202 2 ) ) i= i i i i i i i i i i i i i i of i i i i i i i i i i i i € i i i i ; i i : i i i i i i 5 i i i i i i i i i i i i | X i i i i i | i i : i i i i i i - | | | Koi i i i i i i i i i i i i i i i i i i i 100 {I~ {00 - | _ ii joi © {00 i na 2383 Oi nokea 3 w Ferne 4 i = - i N 353883 2 imi i FID | OD = Se s i i in vi i i i i 3158 | i F Si i vir vi AN 08 22 8 NESE oo om O Koi i Ni Si O Vi Ssas i i i i i i i W: i | 10 ie | | | Litt iWin HW! 3 3 | | | i i + i i HO | O 3 | | | i i i i i i j W ! ! i ! i i i i i i D | | | i : KR i Koi i i i id : | | | i] i i ii i i i joi i i i EE ga is IN | | EEI alas i i i i — i i i i i mn NR TR IS | Hi on 0] 5 s ses. 50! mann se | i i i i i i i nais) SET Ni mist omin ö mh mt LES. : i LILLI | LII iinPatenttivaatimukset1. Teräksestä valmistettu jousilanka, joka koostuu seuraavista seuraavina —painoprosentteina: Raa RR eei se RR VV Mn: :0,5 '— 0,8 24, TT TT "Yr TT o. VV NUU—NSss asa—ttTt. AL: | <0,03 %, ja loppuosa on rautaa ja väistämättömiä epäpuhtauksia, jolloin epäpuhtauksien kokonaispitoisuus on rajoitettu enintään 0,2 %:iin ja epäpuhtaudet sisältävät enintään 0,025 % P:a ja 0,025 % S:ä.2. Patenttivaatimuksen 1 mukainen jousilanka, tunnettu siitä, että sen C-pitoisuus on enintään 0,40 paino-%.3. Jommankumman edellisen patenttivaatimuksen mukainen jousilanka, tunnettu siitä, että sen Cr-pitoisuus on vähintään 0,1 paino-%.4. Patenttivaatimuksen 2 mukainen jousilanka, tunnettu siitä, että sen Cr-pitoisuus on vähintään 0,18 paino-%.
- 5. Jonkin edellisen patenttivaatimuksen mukainen jousilanka, tunnettu siitä, että sen Mn-pitoisuus on vähintään 0,6 paino-%.
- 6. Patenttivaatimuksen 5 mukainen jousilanka, tunnettu siitä, että sen Mn-pitoisuus on vähintään 0,7 paino-%.
- 7. Jonkin edellisen patenttivaatimuksen mukainen jousilanka, tunnettu siitä, että sen Nb-pitoisuus on vähintään 0,030 paino-%.
- 8. Jonkin edellisen patenttivaatimuksen mukainen jousilanka, tunnettu siitä, että sen Nb-pitoisuus on enintään 0,070 paino-%.
- 9. Jonkin edellisen patenttivaatimuksen mukainen jousilanka, tunnettu siitä, että sen V-pitoisuus on enintään 0,060 paino-%.
- 10. Jonkin edellisen patenttivaatimuksen mukainen jousilanka, tunnettu siitä, että sen N-pitoisuus on vähintään 0,0060 paino-%.
- 11. Jonkin edellisen patenttivaatimuksen mukainen jousilanka, tunnettu siitä, että se saavuttaa DIN EN ISO 6892-1 -standardin mukaisessa vetolujuuskokeessa määritettynä — vähintään 55%:n kokoonpuristumisen murtopisteessä = Z.
- 12. Jonkin edellisen patenttivaatimuksen mukainen jousilanka, tunnettu siitä, että sen mikrorakenteen ASTM E112 -standardin mukaan määritetty hienorakeisuus vastaa vähintään ASTM 10:tä.
- 13. Kiristyspuristin, joka on tarkoitettu kiskoajoneuvojen kiskon pitämiseen alhaalla kiskon kiinnityskohdassa ja joka on valmistettu jonkin edellisen patenttivaatimuksen mukaisesta jousilangasta.
- 14. Menetelmä jonkin patenttivaatimuksen 11 tai 12 mukaisen jousilangan — valmistamiseksi, jolloin se käsittää seuraavat työvaiheet: a) sulatetaan terästä, joka koostuu seuraavista seuraavina painoprosentteina: C: 0,35—0,42 %, SI: 1,5-1,8 %, Mn: 0,50-0,80 %, Cr: 0,05-0,25 %, Nb: 0,020— 0,10 %, V: 0,020-0,10 %, N: 0,0040-0,0120 %, AL: < 0,03 %, ja loppuosa on rautaa ja = väistämättömiä epdpuhtauksia, jolloin — epäpuhtauksien kokonaispitoisuus on rajoitettu enintään 0,2 %:iin ja epäpuhtauksina on enintään 0,025 % P:a ja 0,025 % S:ä b) valetaan teräs primäärituotteeksi c) tehdään primäärituotteelle kuumavalssaus kuumavalssatuksi jousilangaksi, jonka loppuhalkaisija on 9-15 mm, jolloin kuumavalssaus suoritetaan vähintään kahdessa — osittaisessa — vaiheessa, jolloin jousilanka — viimeistellään kuumavalssatuksi = termomekaanisesti — kuumavalssauksen = viimeisessä osavaiheessa lämpötilassa, joka on jousilangan teräksen uudelleenkiteytymisen pysähtymislämpötilaa alempi ja jousilangan teräksen Ar3-lämpötilaa korkeampi d) jäähdytetään termomekaanisesti viimeistelty kuumavalssattu jousilanka jäähdytysnopeudella 1-5 *C/s 550-650 °C:n kelauslämpötilaan e) asetetaan tai kelataan kelauslämpötilaan jäähdytetty jousilanka kelaksi f) jäähdytetään kelassa oleva jousilanka huoneenlämpöön.
- 15. Patenttivaatimuksen 14 mukainen menetelmä, tunnettu — siitä, että kuumavalssauksen osavaiheet (työvaihe c) suoritetaan jatkuvatoimisena prosessina.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19193224.3A EP3783120B1 (de) | 2019-08-23 | 2019-08-23 | Federdraht, daraus geformte spannklemme und verfahren zum herstellen eines solchen federdrahts |
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FI3783120T3 true FI3783120T3 (fi) | 2023-11-15 |
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Application Number | Title | Priority Date | Filing Date |
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FIEP19193224.3T FI3783120T3 (fi) | 2019-08-23 | 2019-08-23 | Jousilanka, siitä muodostettu puristin ja menetelmä tällaisen jousilangan valmistamiseksi |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220275490A1 (fi) |
EP (1) | EP3783120B1 (fi) |
CN (1) | CN114341387B (fi) |
ES (1) | ES2963989T3 (fi) |
FI (1) | FI3783120T3 (fi) |
PL (1) | PL3783120T3 (fi) |
WO (1) | WO2021037567A1 (fi) |
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JP2932943B2 (ja) * | 1993-11-04 | 1999-08-09 | 株式会社神戸製鋼所 | 高耐食性高強度ばね用鋼材 |
DE19546204C1 (de) | 1995-12-11 | 1997-03-20 | Max Planck Inst Eisenforschung | Verfahren zur Herstellung von hochfesten Gegenständen aus einem Vergütungsstahl und Anwendung dieses Verfahrens zur Erzeugung von Federn |
DE19839383C2 (de) | 1998-07-20 | 2001-04-19 | Muhr & Bender | Verfahren zur thermomechanischen Behandlung von Stahl für torsionsbeanspruchte Federelemente |
EP0974676A3 (de) * | 1998-07-20 | 2003-06-04 | Firma Muhr und Bender | Verfahren zur thermomechanischen Behandlung von Stahl für torsionsbeanspruchte Federelemente |
JP2001049337A (ja) * | 1999-08-05 | 2001-02-20 | Kobe Steel Ltd | 疲労強度に優れた高強度ばねの製造方法 |
EP1589124B1 (en) * | 2003-01-27 | 2010-05-05 | Nippon Steel Corporation | High strength high toughness high carbon steel wire rod and process for producing the same |
JP4393467B2 (ja) * | 2006-02-28 | 2010-01-06 | 株式会社神戸製鋼所 | 強伸線加工用の熱間圧延線材およびその製造方法 |
CN101716721B (zh) * | 2009-12-23 | 2011-12-07 | 南京钢铁股份有限公司 | 一种弹簧钢盘条的生产工艺 |
US9097306B2 (en) * | 2010-08-30 | 2015-08-04 | Kobe Steel, Ltd. | Steel wire rod for high-strength spring excellent in wire drawability, manufacturing method therefor, and high-strength spring |
JP5250609B2 (ja) * | 2010-11-11 | 2013-07-31 | 日本発條株式会社 | 高強度ばね用鋼、高強度ばねの製造方法及び高強度ばね |
CN102719759B (zh) * | 2012-07-12 | 2014-03-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | 高速铁路扣件用弹条用钢及其冶炼生产方法 |
RU2512695C1 (ru) * | 2012-12-26 | 2014-04-10 | Общество с ограниченной ответственностью "Мультимодальный центр МИИТ" | Способ изготовления упругой клеммы для рельсового скрепления и упругая клемма |
CN105112774B (zh) * | 2015-08-28 | 2017-12-01 | 浙江美力科技股份有限公司 | 高强韧性低中碳微合金风冷硬化弹簧钢及其成形和热处理工艺 |
CN105401072B (zh) * | 2015-12-18 | 2018-01-02 | 马鞍山钢铁股份有限公司 | 含铌12.9级轨道交通移动装备用紧固件用钢及其热处理工艺 |
CN109082592B (zh) * | 2018-08-27 | 2020-08-18 | 河钢股份有限公司 | 一种综合性能良好耐腐蚀弹簧钢热轧盘条及其生产工艺 |
CN109735765B (zh) * | 2019-01-17 | 2020-05-05 | 江苏利淮钢铁有限公司 | 一种大规格、超细晶、高强韧性弹簧钢及其生产方法 |
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2019
- 2019-08-23 FI FIEP19193224.3T patent/FI3783120T3/fi active
- 2019-08-23 PL PL19193224.3T patent/PL3783120T3/pl unknown
- 2019-08-23 EP EP19193224.3A patent/EP3783120B1/de active Active
- 2019-08-23 ES ES19193224T patent/ES2963989T3/es active Active
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2020
- 2020-08-12 CN CN202080059418.3A patent/CN114341387B/zh active Active
- 2020-08-12 US US17/636,964 patent/US20220275490A1/en active Pending
- 2020-08-12 WO PCT/EP2020/072650 patent/WO2021037567A1/de active Application Filing
Also Published As
Publication number | Publication date |
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EP3783120A1 (de) | 2021-02-24 |
CN114341387B (zh) | 2023-06-23 |
EP3783120B1 (de) | 2023-09-27 |
ES2963989T3 (es) | 2024-04-03 |
CN114341387A (zh) | 2022-04-12 |
WO2021037567A1 (de) | 2021-03-04 |
US20220275490A1 (en) | 2022-09-01 |
PL3783120T3 (pl) | 2024-02-19 |
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