JP6282545B2 - 工具鋼を熱機械処理する方法および熱機械処理された工具鋼から作られた工具 - Google Patents
工具鋼を熱機械処理する方法および熱機械処理された工具鋼から作られた工具 Download PDFInfo
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- 229910017112 Fe—C Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
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- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
-
- 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
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
-
- 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
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment 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
- C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- 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
- C21D2221/00—Treating localised areas of an article
-
- 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
- C21D2221/00—Treating localised areas of an article
- C21D2221/01—End parts (e.g. leading, trailing end)
-
- 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
- C21D2221/00—Treating localised areas of an article
- C21D2221/02—Edge parts
-
- 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
- C21D2221/00—Treating localised areas of an article
- C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Forging (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Powder Metallurgy (AREA)
Description
この出願は、米国仮出願第60/896729号の利益を請求する、2008年3月13日に出願された同時係属出願第12/047532号の一部継続出願であり、各開示は、ここで参照により本明細書に全体が組み込まれる。この出願はまた、ここで参照により本明細書に全体が組み込まれた2008年2月15日出願の米国仮出願第61/029236号の利益を請求する。
圧延されたままのAISI M2棒材ストックが、実施例1および3と同じ硬度、すなわちHRC61-63を達成するために、約1000°Fまで加熱し、約45分から1時間保持し、冷却する3つの標準焼き戻しサイクルがその後に続く、2250°F(約1232℃)を超える温度まで棒材を加熱することによる標準熱処理サイクルを用いて、2バール真空加熱炉において熱処理された。熱処理された棒材は、その後、実施例3の棒材と同じ外側寸法に研磨された。
20 部材
22 外表面
28 ワークピース
30 第1の領域
32 第2の領域
65 プリフォーム
70 領域
Claims (18)
- オーステナイト変態開始温度および安定オーステナイト温度を有する工具鋼で構成されたプリフォームを熱機械処理することにより工具を形成するための方法であって、前記工具は、ワークピースと接触するための作業面と、切断縁において前記作業面と交差した側壁と、を備え、前記方法は、
前記オーステナイト変態開始温度と前記安定オーステナイト温度との間の処理温度に、前記プリフォームの領域を加熱するステップと、
前記プリフォームの前記領域が前記処理温度にある間、少なくとも20%の縮小率を達成する量から、再結晶化するよりも小さい量までの範囲において前記領域を鍛造加工して、それにより外表面を形成した、修正されていない内側領域に隣接している、修正された領域を形成する、鍛造加工するステップと、
前記修正された領域を室温まで冷却するステップと、
を含み、
前記修正された領域は、前記修正されていない内側領域よりも少なくとも10%小さい平均結晶粒子サイズを有し且つ前記修正されていない内側領域の微細構造と異なった結晶粒子配向を有するマルテンサイト結晶粒子を含んでいることを特徴とする方法。 - 鍛造加工が少なくとも51%の縮小率を達成することを特徴とする請求項1に記載の方法。
- 鍛造加工が少なくとも56%の縮小率を達成することを特徴とする請求項1に記載の方法。
- 鍛造加工が少なくとも66%の縮小率を達成することを特徴とする請求項1に記載の方法。
- 鍛造加工はラジアル鍛造加工を含んでいることを特徴とする請求項1〜4のいずれか一項に記載の方法。
- 鍛造加工は平面ひずみ鍛造加工を含んでいることを特徴とする請求項1〜4のいずれか一項に記載の方法。
- 前記修正された領域が変形された後に、前記修正された領域の外側寸法は、金属切断装置に使用される工具のニアネットシェイプに等しくなることを特徴とする請求項1〜6のいずれか一項に記載の方法。
- 前記修正された領域は断面積を有し、前記外表面からの深さは前記断面積を横断して延びていることを特徴とする請求項1〜7のいずれか一項に記載の方法。
- 前記修正された領域は長さを有し、鍛造加工は前記プリフォームの領域の少なくとも1つの前記外側寸法を減少して前記長さに一致させることを含んでいることを特徴とする請求項7または請求項7に従属した請求項8のいずれか一項に記載の方法。
- 前記修正された領域は、前記修正されていない内側領域の平均誤配向角度よりも大きい平均誤配向角度によって特徴づけられた誤配向角度の分布を有することを特徴とする請求項1〜9のいずれか一項に記載の方法。
- 前記修正された領域は、34°を超える平均誤配向角度により特徴付けられた誤配向角度の分布を有するマルテンサイト粒子を含んでいることを特徴とする請求項1〜10のいずれか一項に記載の方法。
- 前記修正された領域を冷却した後に、前記プリフォームを半分に切断して一式の工具を形成するステップをさらに含んでいることを特徴とする請求項1〜11のいずれか一項に記載の方法。
- 加熱前に、前記プリフォームの一端をピラミッド形状に機械加工するステップをさらに含み、鍛造するステップは、前記ピラミッド形状の端部を矩形端部に鍛造するステップを含んでいることを特徴とする請求項1〜12のいずれか一項に記載の方法。
- ワークピースをせん断するための機械内で使用するためのせん断工具を製造するための方法であって、前記せん断工具は、請求項1〜13のいずれか一項に記載の方法を利用して工具鋼から形成されていることを特徴とするせん断工具を製造するための方法。
- 鍛造が、少なくとも40°の平均誤配向角度の修正された領域によって特徴付けられた誤配向角度の分布を生じることを特徴とする請求項14に記載のせん断工具を製造するための方法。
- 前記修正された領域は、修正されていない領域の近傍にあることを特徴とする請求項14または15に記載のせん断工具を製造するための方法。
- 前記修正されていない領域は、外表面の一部を形成していることを特徴とする請求項14に記載のせん断工具を製造するための方法。
- 前記せん断工具はパンチであることを特徴とする請求項14〜17のいずれか一項に記載のせん断工具を製造するための方法。
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US2923608P | 2008-02-15 | 2008-02-15 | |
US61/029,236 | 2008-02-15 |
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JP2014142231A Active JP6282545B2 (ja) | 2008-02-15 | 2014-07-10 | 工具鋼を熱機械処理する方法および熱機械処理された工具鋼から作られた工具 |
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Country Status (8)
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EP (1) | EP2090383B1 (ja) |
JP (2) | JP6112752B2 (ja) |
CA (1) | CA2654368C (ja) |
ES (1) | ES2554608T3 (ja) |
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RU2483120C1 (ru) * | 2012-05-22 | 2013-05-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Тверской государственный технический университет" | Способ упрочнения наплавленной быстрорежущей стали |
RU2627837C1 (ru) * | 2016-02-24 | 2017-08-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тверской государственный технический университет" | Способ изготовления наплавленного биметаллического режущего инструмента |
KR101781816B1 (ko) * | 2017-01-12 | 2017-09-26 | 박명석 | 다이캐스팅 금형과 그 관련 부품의 수명 향상을 위한 복합표면처리 방법 |
US10682725B2 (en) * | 2017-11-30 | 2020-06-16 | The Boeing Company | Microstructure refinement methods by mechanical work for additive manufactured materials |
CN107952965B (zh) * | 2017-12-08 | 2020-09-29 | 有研工程技术研究院有限公司 | 一种梅花内六角冲针及针头的制备方法 |
JP7185211B2 (ja) * | 2018-02-07 | 2022-12-07 | 住友重機械ハイマテックス株式会社 | 工具材の製造方法及び工具材 |
WO2019180492A1 (en) * | 2018-03-23 | 2019-09-26 | Arcelormittal | Forged part of bainitic steel and a method of manufacturing thereof |
CN109632550B (zh) * | 2018-12-24 | 2022-01-14 | 长安大学 | 一种磨耗性能对比试验装置及试验方法 |
US11985781B2 (en) | 2020-09-23 | 2024-05-14 | Apple Inc. | Surface treatment for metallic components |
CN112705613B (zh) * | 2021-02-26 | 2023-03-31 | 惠州市诺利星电子科技有限公司 | 一种电子产品生产用冲孔装置 |
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US3340102A (en) * | 1962-05-15 | 1967-09-05 | Manlabs Inc | Metal process and article |
US3413166A (en) * | 1965-10-15 | 1968-11-26 | Atomic Energy Commission Usa | Fine grained steel and process for preparation thereof |
US3903761A (en) | 1971-09-28 | 1975-09-09 | Phillips Screw Co | Process for the manufacture of driver bits |
US4170497A (en) * | 1977-08-24 | 1979-10-09 | The Regents Of The University Of California | High strength, tough alloy steel |
US4318733A (en) * | 1979-11-19 | 1982-03-09 | Marko Materials, Inc. | Tool steels which contain boron and have been processed using a rapid solidification process and method |
SE452124B (sv) * | 1984-06-19 | 1987-11-16 | Kloster Speedsteel Ab | Emne till verktygsmatris av kompoundstal och sett att framstella dylikt |
GB8725668D0 (en) * | 1987-11-03 | 1987-12-09 | Reed Tool Co | Manufacture of rotary drill bits |
US6348752B1 (en) * | 1992-04-06 | 2002-02-19 | General Electric Company | Integral motor and control |
JP3716454B2 (ja) * | 1995-05-01 | 2005-11-16 | 大同特殊鋼株式会社 | 温間ホビングによる高強度、高靭性金型の製造方法 |
JP3563587B2 (ja) * | 1998-03-10 | 2004-09-08 | 新日本製鐵株式会社 | 熱間幅圧下プレス用工具およびその製造方法 |
JPH11254077A (ja) * | 1998-03-12 | 1999-09-21 | Sanyo Special Steel Co Ltd | 高強度、高靱性金型の製造方法 |
DE19921286A1 (de) * | 1999-05-07 | 2000-11-09 | Sms Demag Ag | Wärmebehandlungsverfahren zur Herstellung randschichtgehärteter Lang- nd Flachprodukte aus unlegierten oder niedriglegierten Stählen |
JP2005314756A (ja) * | 2004-04-28 | 2005-11-10 | Jfe Steel Kk | 機械構造用部品 |
SE527684C2 (sv) * | 2004-11-10 | 2006-05-09 | Sandvik Intellectual Property | Skärande verktyg för metallbearbetning samt metod vid tillverkning av skärande verktyg |
PL1985390T3 (pl) * | 2007-03-23 | 2011-09-30 | Dayton Progress Corp | Narzędzia z termo-mechanicznie modyfikowanym obszarem roboczym i sposoby formowania takich narzędzi |
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JP2009191364A (ja) | 2009-08-27 |
CA2654368C (en) | 2017-10-03 |
WO2009102848A1 (en) | 2009-08-20 |
CA2654368A1 (en) | 2009-08-15 |
TWI479025B (zh) | 2015-04-01 |
TW200944596A (en) | 2009-11-01 |
MX368493B (es) | 2019-10-04 |
MX2009001768A (es) | 2009-08-24 |
EP2090383B1 (en) | 2015-11-04 |
JP6112752B2 (ja) | 2017-04-12 |
PT2090383E (pt) | 2016-01-26 |
ES2554608T3 (es) | 2015-12-22 |
EP2090383A8 (en) | 2009-10-14 |
JP2014210979A (ja) | 2014-11-13 |
EP2090383A1 (en) | 2009-08-19 |
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