JP5882357B2 - 駆動ベルト金属リング構成部材の製造方法のための熱処理プロセス - Google Patents
駆動ベルト金属リング構成部材の製造方法のための熱処理プロセス Download PDFInfo
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- JP5882357B2 JP5882357B2 JP2013545055A JP2013545055A JP5882357B2 JP 5882357 B2 JP5882357 B2 JP 5882357B2 JP 2013545055 A JP2013545055 A JP 2013545055A JP 2013545055 A JP2013545055 A JP 2013545055A JP 5882357 B2 JP5882357 B2 JP 5882357B2
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- heat treatment
- treatment process
- ring
- drive belt
- ammonia
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 88
- 238000010438 heat treatment Methods 0.000 title claims description 41
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910052751 metal Inorganic materials 0.000 title claims description 9
- 239000002184 metal Substances 0.000 title claims description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 28
- 229910021529 ammonia Inorganic materials 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 11
- 229910001240 Maraging steel Inorganic materials 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 230000032683 aging Effects 0.000 description 13
- 239000007789 gas Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 238000005121 nitriding Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 239000011162 core material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 description 3
- 238000004881 precipitation hardening Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 229910017464 nitrogen compound Inorganic materials 0.000 description 2
- 150000002830 nitrogen compounds Chemical class 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
-
- 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
- C21D1/06—Surface hardening
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
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)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Articles (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Description
−組み合わされたプロセス中にプロセスガス雰囲気の温度を次第に低下させるまたは次第に低下するように制御する(図示した例では、組み合わされたプロセスの最初に500℃から始まり、最後に420℃まで低下する)か、または
−組み合わされたプロセスにおいてリング14に供給されかつ好適には付加的に窒素ガスのみから成るプロセスガスのアンモニア濃度を0から次第に高めるまたは高めるように制御する(図示した例では、組み合わされたプロセスの最初に2体積%から始まり、最後に5体積%まで増加する)。
Claims (9)
- マルエージング鋼から成る、駆動ベルト(1)において使用するための金属のリング(14)の製造方法における熱処理プロセスであって、
前記リング(14)は、アンモニアガス含有雰囲気において400℃〜520℃の温度で処理される熱処理プロセスにおいて、該熱処理プロセス中にプロセスガス雰囲気の温度は初期の480〜520℃から最後の400〜440℃まで次第に低下するように制御されることを特徴とする、熱処理プロセス。 - 前記マルエージング鋼は、
17〜19質量%のニッケルと、4〜6質量%のモリブデンと、8〜18質量%のコバルトと、を含む、請求項1記載の熱処理プロセス。 - 熱処理プロセス中にプロセスガス雰囲気の温度はプロセスの最初の500℃からプロセスの最後の420℃まで次第に低下するように制御される、請求項1または2記載の熱処理プロセス。
- 温度の制御される低下はプロセスの開始から終了まで線形の速度で生じる、請求項1から3までのいずれか1項記載の熱処理プロセス。
- 熱処理プロセス中にリング(14)に供給されるプロセスガス中のアンモニアの濃度が増加させられる、請求項1から4までのいずれか1項記載の熱処理プロセス。
- 熱処理プロセス中にリング(14)に供給されるプロセスガスにおけるアンモニアの濃度が最初の2〜6体積%から最後の4〜12体積%まで増加させられることを特徴とする、請求項1から5までのいずれか1項記載の熱処理プロセス。
- 熱処理プロセスの間、プロセスガス中のアンモニアの濃度はプロセスの開始時の2体積%からプロセスの終了時の5体積%まで次第に増加させられる、請求項6記載の熱処理プロセス。
- アンモニア濃度はプロセスの開始から終了まで線形の速度で増加させられる、請求項6または7記載の熱処理プロセス。
- 前記プロセスは、開始から終了まで10〜60分間行われる、請求項1から8までのいずれか1項記載の熱処理プロセス。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2010/007784 WO2012083975A1 (en) | 2010-12-20 | 2010-12-20 | Heat treatment process for a manufacturing process of a drive belt metal ring component |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014505790A JP2014505790A (ja) | 2014-03-06 |
JP5882357B2 true JP5882357B2 (ja) | 2016-03-09 |
Family
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013545055A Active JP5882357B2 (ja) | 2010-12-20 | 2010-12-20 | 駆動ベルト金属リング構成部材の製造方法のための熱処理プロセス |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5882357B2 (ja) |
CN (1) | CN103339267B (ja) |
WO (1) | WO2012083975A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1041102B1 (en) * | 2014-12-17 | 2016-10-11 | Bosch Gmbh Robert | Flexible steel ring for a drive belt for a continuously variable transmission and method for producing such. |
NL1041998B1 (en) * | 2016-07-27 | 2018-02-01 | Bosch Gmbh Robert | Flexible steel ring made from maraging steel and provided with a nitrided surface layer |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS531142A (en) * | 1976-06-24 | 1978-01-07 | Koyo Seiko Co | Method of controlling undecomposed ammonia gas concentration of nitriding atmosphere in twoostepped nitriding |
US6631542B1 (en) | 1999-05-28 | 2003-10-14 | Honda Giken Kogyo Kabushiki Kaisha | Method of manufacturing laminated ring and heat treatment apparatus for use in such method |
JP2001294939A (ja) * | 2000-04-10 | 2001-10-26 | Honda Motor Co Ltd | 積層リングの製造方法 |
EP1176224B1 (en) * | 2000-07-24 | 2014-04-16 | Dowa Thermotech Co., Ltd. | Nitrided maraging steel and method of manufacturing thereof |
JP3823875B2 (ja) * | 2002-05-14 | 2006-09-20 | 日産自動車株式会社 | マルエージング鋼の窒化処理方法およびその方法によって窒化処理されたベルト式無段変速機用のベルト |
EP1403551B1 (en) | 2002-09-30 | 2006-03-22 | Van Doorne's Transmissie B.V. | Drive belt and continuously variable transmission wherein such is utilised |
JP4615208B2 (ja) * | 2002-11-20 | 2011-01-19 | 中央発條株式会社 | 弁ばねの製造方法 |
JP4084667B2 (ja) * | 2003-01-10 | 2008-04-30 | 新日本製鐵株式会社 | 金属材料の窒化方法 |
JP2005002416A (ja) * | 2003-06-12 | 2005-01-06 | Chugai Ro Co Ltd | 薄肉マルエージング鋼の窒化処理方法及び連続窒化処理装置 |
EP1753889B1 (en) | 2004-05-19 | 2017-04-12 | Robert Bosch Gmbh | Push belt and manufacturing method therefor |
CN101688271B (zh) * | 2007-07-11 | 2013-03-27 | 日立金属株式会社 | 马氏体时效钢和金属带用马氏体时效钢 |
CN102239348B (zh) * | 2008-06-30 | 2014-05-07 | 罗伯特·博世有限公司 | 传动带金属环部件的热处理方法 |
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2010
- 2010-12-20 JP JP2013545055A patent/JP5882357B2/ja active Active
- 2010-12-20 CN CN201080070729.6A patent/CN103339267B/zh active Active
- 2010-12-20 WO PCT/EP2010/007784 patent/WO2012083975A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
JP2014505790A (ja) | 2014-03-06 |
WO2012083975A1 (en) | 2012-06-28 |
CN103339267B (zh) | 2016-03-09 |
CN103339267A (zh) | 2013-10-02 |
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