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1. 发明专利

JP2014201811A 浸炭部品、その製造方法及び浸炭部品用鋼有权
标题翻译：加固组分，其制备方法和加固组分的钢
公开(公告)号：JP2014201811A
公开(公告)日：2014-10-27
申请号：JP2013080732
申请日：2013-04-08
申请人：本田技研工業株式会社 , Honda Motor Co Ltd , 大同特殊鋼株式会社 , Daido Steel Co Ltd
发明人： NINOMIYA AKIHITO , OKADA YOSHINARI , MIYAZAKI TAKAHIRO , MATSUMURA KOJI , KATO SHINICHIRO , SHIMOMURA TETSUYA , YAMAGUCHI KATSUYA
IPC分类号： C22C38/00 , C21D1/06 , C21D9/32 , C21D9/40 , C22C38/22 , C23C8/22 , C23C10/60
CPC分类号： C23C8/22 , C23C8/02 , C23C8/80
摘要：【課題】特に中サイクル疲労強度に優れる浸炭部品およびその製造方法を提供する。。【解決手段】質量%で、C:0.15〜0.25%、Si:0.15%以下、Mn:0.4〜1.1%、Cr:0.8〜1.4%、Mo:0.25〜0.55%、P:0.015%以下、S:0.035%以下、残部Fe及び不可避的不純物からなり、且つ、元素Mの質量%を[M]とすると、0.10≦̸[Mo]/(10[Si]+[Mn]+[Cr])≦̸0.40を満たす鋼に浸炭により表面硬化処理を施した浸炭部品であって、700Hv以上の硬さの浸炭処理層を少なくとも浸炭部の表面から350μm以内に与えるとともに、前記浸炭処理層の表面から25μmの深さ位置での硬さHvd=25μmを650Hv以上、50μmの深さ位置での硬さHvd=50μmを750Hv以下とし、Hvd=25μmとHvd=50μmとの差を50Hv以下としたことを特徴とする。【選択図】なし
摘要翻译：要解决的问题：提供特别优选中间循环疲劳强度的渗碳组分及其制造方法。解决方案：提供通过渗碳将表面硬化施加到钢上获得的渗碳组分，该组合物以质量％计， C：0.15〜0.25％，Si：0.15％以下，Mn：0.4〜1.1％，Cr：0.8〜1.4％，Mo：0.25〜0.55％，P：0.015％以下，S：0.035％以下，平衡Fe与不可避免的杂质，并且满足0.10≤[Mo] /（10 [Si] + [Mn] + [Cr]）≤0.40，其中[M]是元素M的质量％。在渗碳组分中：a 从渗碳部件表面形成至少350μm的硬度为700Hv以上的渗碳层; 从渗碳层表面25μm深度的位置的硬度Hvat设定为650Hv以上，从渗碳层表面的深度为50μm深的硬度Hv设定为750Hv以下; Hvand Hvis之间的差异设置为50 Hv或更低。

2. 发明专利

JP2014218683A 軟窒化クランクシャフト及びその製造方法有权
标题翻译：柔软的起重机及其制造方法
公开(公告)号：JP2014218683A
公开(公告)日：2014-11-20
申请号：JP2013096377
申请日：2013-05-01
申请人：本田技研工業株式会社 , Honda Motor Co Ltd , 大同特殊鋼株式会社 , Daido Steel Co Ltd
发明人： MASUDA DAIKI , MATSUDA HIDEKI , YAMAZAKI AYUMI , KATO SHINICHIRO , MIYAZAKI TAKAHIRO
IPC分类号： C21D9/30 , C21D1/06 , C22C38/00 , C22C38/60 , C23C8/26 , F16C3/06
CPC分类号： C23C8/32 , C21D9/30 , C23C8/02 , F16C3/06 , F16C3/08
摘要：【課題】機械強度を犠牲にすることなく製造性に優れた軟窒化クランクシャフト及びその製造方法を提供する。【解決手段】必須添加元素として、質量%で、C:0.10〜0.40%、Si:0.10〜1.0%、Mn:1.0〜2.0%、Mo:0.05〜0.40%、V:0.05〜0.40%を含み、任意添加元素として、質量%で、S:0.01〜0.1%、Ti:0.005〜0.2%、Al:0.001〜0.03%、Cr:≦0.50%、Cu:≦0.5%、Ni:≦0.5%を含み得て、残部Fe及び不可避的不純物からなるベイナイト型非調質鋼を鍛造及び機械加工し少なくとも歪解放熱処理した後に軟窒化処理して得られる軟窒化クランクシャフトである。なお、不可避的不純物としてのPを少なくとも0.025%以下に抑え、残留γ量を5.0%未満とし心部硬さを270Hv以上とした。【選択図】なし
摘要翻译：要解决的问题：提供一种在不牺牲机械强度的情况下制造性能优异的软氮化曲轴及其制造方法。解决方案：提供通过锻造和机械加工贝氏体非热处理钢的软氮化曲轴，至少对锻造/加工钢进行应变消除热处理，然后软化氮化。贝氏体非热处理钢以质量％计含有C：0.10〜0.40％，Si：0.10〜1.0％，Mn：1.0〜2.0％，Mo：0.05〜0.40％，V：0.05〜0.40％，可以以质量％计，作为任选的附加量，S：0.01〜0.1％，Ti：0.005〜0.2％，Al：0.001〜0.03％，Cr：≤0.50％，Cu：≤0.5％，Ni：≤0.5％元素，余量为Fe与不可避免的杂质。作为不可避免的杂质的P被抑制为至少小于0.025％，保留的γ量被设定为小于5.0％，芯部硬度设定为270Hv以上。

3. 发明专利

JP2011084767A Method of producing cracking connecting rod 审中-公开
标题翻译：生产破碎连杆的方法
公开(公告)号：JP2011084767A
公开(公告)日：2011-04-28
申请号：JP2009237520
申请日：2009-10-14
申请人： Daido Steel Co Ltd , Honda Motor Co Ltd , 大同特殊鋼株式会社 , 本田技研工業株式会社
发明人： ASAI TETSUYA , HANADA YUKIO , SUGITA HIROSHI , MIYAZAKI TAKAHIRO , HOBO MAKOTO , NAKAJIMA TOMOYUKI , KANO TAKASHI
IPC分类号： C21D8/06 , B21J5/00 , B21K1/14 , C22C38/00 , C22C38/14 , C22C38/60 , F16C7/00
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a cracking connecting rod by which a connecting rod member is obtained, the connecting rod member comprising a ferrite-pearlite type non-heat-treated steel and having excellent mechanical strength and excellent cracking performance as the cracking connecting rod.
SOLUTION: The method of producing the cracking connecting rod includes the steps of: preparing steel; heating the steel to the temperature range of 1,200-1,300°C; applying a hot forging to the steel to obtain a rough-forged material by applying a compression working achieving a working ratio of ≥50% to at least a prescribed portion of the steel at a temperature of ≥1,000°C; and cooling the rough-forged material at least at ≤5°C/s to give the ferrite-pearlite structure to the rough-forged material. Wherein, the steel is selected which contains as the indispensable elements, by mass%, C in the range of 0.16-0.35%, Si in the range of 0.1-1.0%, Mn in the range of 0.3-1.0%, P in the range of 0.040-0.070%, S in the range of 0.080-0.130%, V in the range of 0.10-0.35% and Ti in the rage of 0.08-0.20% and which provides the connecting rod member with at least ≥250 Hv hardness in the above prescribed portion.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种制造连杆的连接杆的制造方法，所述连杆构件包括铁素体 - 珠光体型非热处理钢，并且具有优异的机械强度和优异的开裂性能作为开裂连杆。解决方案：制造裂缝连杆的方法包括以下步骤：制备钢; 将钢加热到1,200-1,300℃的温度范围; 通过在≥1000℃的温度下对钢的至少规定部分施加≥50％的加工率的压缩加工，对钢进行热锻造以获得粗锻材料; 并且将粗锻材料冷却至少≤5℃/ s，以将粗铁锻造材料的铁素体 - 珠光体结构。其中，选择含有作为不可或缺的元素的钢，以质量％计，在0.16-0.35％的范围内的Si，0.1-1.0％的Si，0.3-1.0％的Mn，在0.3-1.0％的范围内的P 范围为0.040-0.070％，S为0.080-0.130％范围，V为0.10-0.35％范围，Ti为0.08-0.20％，并提供至少≥250Hv硬度的连杆件在上述规定的部分。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010159486A Soft-nitriding crankshaft member and steel for soft-nitriding crankshaft 有权
标题翻译：柔软的起子起重机组件和软式起重机的钢铁
公开(公告)号：JP2010159486A
公开(公告)日：2010-07-22
申请号：JP2009275908
申请日：2009-12-03
申请人： Daido Steel Co Ltd , Honda Motor Co Ltd , 大同特殊鋼株式会社 , 本田技研工業株式会社
发明人： SAITO ISAMU , TAKITANI YOSHIHIRO , KATO SHINICHIRO , HOBO MAKOTO , KAMIYA KEIICHIRO , MIYAZAKI TAKAHIRO , KANO TAKASHI
IPC分类号： C22C38/00 , C21D1/06 , C21D9/30 , C22C38/42 , C22C38/50 , C23C8/26 , C23C8/30
CPC分类号： F16C3/06 , B21K1/08 , C23C8/32 , Y10T29/49286 , Y10T74/2173
摘要： PROBLEM TO BE SOLVED: To provide a soft-nitriding crankshaft member whose cost, production facility, fatigue strength and bending correctability are excellent, and to provide a steel for a soft-nitriding crankshaft used therefor. SOLUTION: The soft-nitriding crankshaft member is composed of a steel including, as essential additional elements, by mass, 0.25 to 0.32% C, 0.01 to 0.15% Si, 0.55 to 0.90% Mn, 0.10 to 0.60% Cu, 0.05 to 0.30% Ni and 0.10 to 0.20% Cr, and including, as optional additional elements, ≤0.05% Mo, ≤0.020% N, ≤0.020% s-Al and ≤0.020% Ti, and the balance Fe with inevitable impurities. The soft-nitriding crankshaft member mainly consists of a two-phase structure of ferrite and pearlite, wherein a soft-nitriding hard layer is applied at lest to a part of the surface of the steel with a ferrite area ratio as ≥50%. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种成本，生产设备，疲劳强度和弯曲矫正性优异的软氮化曲轴件，并提供用于其的软氮化曲轴用钢。软质渗流曲轴部件由含有以重量计，0.25〜0.32％C，0.01〜0.15％Si，0.55〜0.90％Mn，0.10〜0.60％Cu， 0.05〜0.30％的Ni和0.10〜0.20％的Cr，作为任选的附加元素，包括≤0.05％Mo，≤0.020％N，≤0.020％s-Al和≤0.020％Ti，余量为Fe和不可避免的杂质。软氮化曲轴构件主要由铁素体和珠光体的两相结构组成，其中软氮化硬层至少施加到钢的表面的一部分，铁素体面积比≥50％。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2008255470A Carburized component superior in low cycle fatigue characteristic 有权
标题翻译：加热组件超低周期疲劳特性
公开(公告)号：JP2008255470A
公开(公告)日：2008-10-23
申请号：JP2008037429
申请日：2008-02-19
申请人： Daido Steel Co Ltd , Honda Motor Co Ltd , 大同特殊鋼株式会社 , 本田技研工業株式会社
发明人： OKADA YOSHINARI , AMANO MASAKI , OTA IBUKI , MATSUMURA KOJI , MIYAZAKI TAKAHIRO
IPC分类号： C22C38/00 , C21D1/06 , C21D7/06 , C21D9/32 , C22C38/32 , C23C8/22
摘要： PROBLEM TO BE SOLVED: To improve both of tooth flank strength and low cycle fatigue strength of the root of tooth, which are required for deferential gear (a carburized component).
SOLUTION: The carburized component comprises 0.10 to less than 0.30% C, 0.10% or less Si, 0.20-0.60% Mn, 0.015% or less P, 0.035% or less S, 0.50-1.00% Cr, 0.50-1.00% Mo, 0.0005-0.0030% B, 0.010-0.100% Ti, 0.010-0.100% Nb and balance Fe with inevitable impurities; has a surface layer C concentration after gas carburization treatment of 0.40-0.60%, an effective hardened layer depth of 0.6-1.2 mm defined by limit hardness of 513 HV, and a surface hardness after shot peening treatment of 700 HV or higher.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提高齿轮齿根（渗碳部件）所需的齿根强度和齿根减少的循环疲劳强度。溶液：渗碳组分包括0.10至小于0.30％的C，0.10％或更少的Si，0.20-0.60％的Mn，0.015％或更少的P，0.035％或更少的S，0.50-1.00％的Cr，0.50-1.00 ％Mo，0.0005-0.0030％B，0.010-0.100％Ti，0.010-0.100％Nb，余量为Fe和不可避免的杂质; 在气体渗碳处理后的表面层C浓度为0.40-0.60％，由极限硬度513HV限定的有效硬化层深度为0.6-1.2mm，喷丸硬化处理后的表面硬度为700HV以上。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2010180473A Cracking connecting rod and method for producing the same 有权
标题翻译：破碎连接杆及其制造方法
公开(公告)号：JP2010180473A
公开(公告)日：2010-08-19
申请号：JP2009027755
申请日：2009-02-09
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： MIYAZAKI TAKAHIRO , NAKAJIMA TOMOYUKI , HOBO MAKOTO , KATO SHINICHIRO , KANO TAKASHI , YOSHIDA HIROAKI , FUJIWARA MASANAO , TSUDA MASASHI , YAMAGUCHI KATSUYA
IPC分类号： C22C38/00 , B21J5/00 , B21J5/02 , B21K1/14 , C21D8/00 , C22C38/60 , F16C7/02
摘要： PROBLEM TO BE SOLVED: To provide a cracking connecting rod made of a ferrite-pearlite type non-heattreated steel, and having a high fatigue limit, and to provide a method for producing the same.
SOLUTION: The cracking connecting rod is composed of a ferrite-pearlite type non-heattreated steel comprising essential additional elements and optionally comprisable additional elements, and in which 0.20 to 0.60% C is comprised. The cracking connecting rod is at least provided with: a large edge part and a small edge part respectively engaged with a crankshaft and a piston; and a rod part connecting them and subjected to coining treatment. To this, C, N, Ti, Mn and Cr are added as the essential additional elements, and Si, P, S, V, Pb, Te, Ca and Bi are added as the optional additional elements. In these additional elements, Mn is added, by mass, in the range of 0.30 to 1.50% and Cr is added in the range of 0.05 to 1.00%. The connecting rod further comprises N in the range of 0.005 to 0.03% and also Ti in the range of ≤0.20% so as to satisfy Ti≥3.4N+0.02. The connecting rod further comprises ≤2.0% Si, ≤0.2% P, ≤0.2% S, ≤0.50% V, ≤0.30% Pb, ≤0.3% Te, ≤0.01% Ca and ≤0.30% Bi, and in which the 0.2% proof stress in the rod part is >700 MPa, and further, the 0.2% proof stress in the large edge part is
摘要翻译：要解决的问题：提供一种由铁素体 - 珠光体型非热处理钢制成并具有高疲劳极限的开裂连杆，并提供其制造方法。解决方案：裂解连杆由铁素体 - 珠光体型非加热处理钢构成，其包括必需的附加元素和任选的可包含的附加元素，并且其中包含0.20至0.60％的C。破裂连杆至少设有：分别与曲轴和活塞接合的大边缘部分和小边缘部分; 和连接它们并进行压印处理的杆部分。添加C，N，Ti，Mn和Cr作为必需的附加元素，并且添加Si，P，S，V，Pb，Te，Ca和Bi作为任选的附加元素。在这些附加元素中，Mn以质量计添加在0.30〜1.50％的范围内，Cr的添加量为0.05〜1.00％。连接杆还包括在0.005-0.03％的范围内的N和≤0.20％的Ti，以满足Ti≥3.4N+ 0.02。连杆还包括≤2.0％Si，≤0.2％P，≤0.2％S，≤0.50％V，≤0.30％Pb，≤0.3％Te，≤0.01％Ca和≤0.30％Bi，其中0.2 杆部的耐屈曲应力> 700MPa，大边缘部的0.2％的屈服应力<650MPa。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2007092102A Case-hardening steel and carburizing part using the same (especially differential gear) 审中-公开
标题翻译：使用其的硬化钢和加固部分（特殊差速器）
公开(公告)号：JP2007092102A
公开(公告)日：2007-04-12
申请号：JP2005280838
申请日：2005-09-27
申请人： Daido Steel Co Ltd , Nissan Motor Co Ltd , 大同特殊鋼株式会社 , 日産自動車株式会社
发明人： MIURA NAOMI , HAYASHI TAKAO , OKADA YOSHIO , MIYAZAKI TAKAHIRO , HATTORI ATSUSHI , KANO TAKASHI
IPC分类号： C22C38/00 , C21D1/06 , C21D6/00 , C21D9/32 , C22C38/32 , C23C8/22 , F16H55/06
摘要： PROBLEM TO BE SOLVED: To provide a case-hardening steel provided with excellent impact fatigue strength and a carburized part using the same (especially a differential gear). SOLUTION: This case-hardening steel is composed, by mass, of 0.10-0.30% C, ≤0.10% Si, 0.3-0.85% Mn, 0.002-0.015% P, ≤0.015% S, 0.30-0.65% Cr, 0.10-1.00% Mo, 0.0005-0.0035% B, 0.015-0.100% Nb, 0.01-0.1% Al and the balance Fe with inevitable impurities, and satisfies the formula (1); 2.0≤10Si(%)+Cr(%)+Mn(%)+Mo(%)≤30. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的冲击疲劳强度的表面硬化钢和使用其的渗碳部件（特别是差速齿轮）。 <硬质钢>该硬质合金钢按质量计含有0.10〜0.30％的C，≤0.10％的Si，0.3-0.85％的Mn，0.002-0.015％的P，≤0.015％的S，0.30-0.65％的Cr ，0.10-1.00％Mo，0.0005-0.0035％B，0.015-0.100％Nb，0.01-0.1％Al，余量为Fe和不可避免的杂质，并满足式（1）; 2.0≤10Si（％）+的Cr（％）+的Mn（％）+的Mo（％）≤30。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2004042094A Method for refining in tundish 审中-公开
公开(公告)号：JP2004042094A
公开(公告)日：2004-02-12
申请号：JP2002203376
申请日：2002-07-12
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： MIYAZAKI TAKAHIRO
IPC分类号： B22D11/108 , B22D11/11
摘要： PROBLEM TO BE SOLVED: To provide a method for refining in a tundish by which molten steel in the tundish can be prevented from contamination by maintaining appropriately and highly CaO/SiO
2 of the tundish slag and by maintaining appropriately low its oxygen potential during continuous casting by injecting the molten steel from the tundish to a mold while transferring the molten steel from a ladle to the tundish a plurality of times.
SOLUTION: Not only a powdery flux with high CaO/SiO
2 is charged inside the tundish from the beginning of the continuous casting, but also the powdery flux with high CaO/SiO
2 is successively and additionally charged inside the tundish during the continuous casting.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2010001527A Gear component 有权
标题翻译：齿轮组件
公开(公告)号：JP2010001527A
公开(公告)日：2010-01-07
申请号：JP2008161196
申请日：2008-06-20
申请人： Daido Steel Co Ltd , Nissan Motor Co Ltd , 大同特殊鋼株式会社 , 日産自動車株式会社
发明人： IGAWA ERI , MIYAZAKI TAKAHIRO , KOGANEZAWA TAIICHI , KIKUCHI KAZUMASA , IWATA NORIYUKI , ASANO SHUNEI
IPC分类号： C22C38/00 , C21D1/06 , C21D9/32 , C22C38/38 , C22C38/58 , F16H55/06
摘要： PROBLEM TO BE SOLVED: To provide a gear component which combines dedendum strength with tooth flank strength.
SOLUTION: The gear component satisfying the following inequalities (1) and (2) is manufactured by forming case-hardening steel into a prescribed gear shape, then subjecting the steel to carburizing treatment, the case-hardening steel having a composition comprising 0.10 to 0.40% C, ≤1.50% Si, 0.30 to 1.80% Mn, 0.30 to 1.50% Cr, ≤0.80% Mo, ≤0.05% Ti, ≤0.05% Al, ≤0.010% N, ≤0.10% Nb, ≤0.020% P, ≤0.020% S and 0.0005 to 0.0035% B, and the balance Fe with inevitable impurities. Here, the inequality (1) is: the dedendum part: (553.53×S mass%)+(34.36×effective hardened layer depth mm)-(0.16×core part hardness HV)+(123.86×surface layer C concentration%)≤52, and the inequality (2) is: the tooth flank part: (0.001×core part hardness HV)+(0.037×whole hardened layer depth mm)≥0.460.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供将齿根强度与齿面强度组合的齿轮部件。解决方案：通过将表面硬化钢成形为规定的齿轮形状，然后对钢进行渗碳处理来制造满足以下不等式（1）和（2）的齿轮部件，其中组合物包括 0.10〜0.40％C，≤1.50％Si，0.30〜1.80％Mn，0.30〜1.50％Cr，≤0.80％Mo，≤0.05％Ti，≤0.05％Al，≤0.010％N，≤0.10％Nb，≤0.020 ％P，≤0.020％S，0.0005〜0.0035％B，余量为Fe与不可避免的杂质。这里，不等式（1）是：本体部（553.53×S质量％）+（34.36×有效硬化层深度mm） - （0.16×芯部硬度HV）+（123.86×表面层C浓度％）≤ 52，不等式（2）是：齿面部（0.001×芯部硬度HV）+（0.037×整体硬化层深度mm）≥0.460。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2003033852A Method and device for detecting outpouring of slag 审中-公开
标题翻译：用于检测SLAG输出的方法和装置
公开(公告)号：JP2003033852A
公开(公告)日：2003-02-04
申请号：JP2001216663
申请日：2001-07-17
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： TAKADA KENICHI , FUBUKI TAKAO , MIYAZAKI TAKAHIRO
IPC分类号： B22D11/16
摘要： PROBLEM TO BE SOLVED: To provide a method and a device for detecting outpouring of slag used for a continuous casting machine equipped with a sliding nozzle, capable of preventing detecting errors caused by opening and closing of the sliding nozzle, and which can detect outpouring of slag without delay of detection.
SOLUTION: The device to detect outpouring of slag, installed to the continuous casting machine equipped with the sliding nozzle 1b, starts detection operation of outpouring slag when a remaining quantity of molten metal in a ladle 1 reaches a predetermined level, detects a pressure of an inert gas filled in a feed nozzle 4 which conducts molten metal W from the ladle 1 to a tundish 2 by preventing opening and closing movements of the sliding nozzle 1b, and determines that the slag S is outpouring if the detected pressure level is exceeding a threshold.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种用于检测用于具有滑动喷嘴的连续铸造机的炉渣的排出的方法和装置，其能够防止由于滑动喷嘴的打开和关闭而引起的检测错误，并且可以检测流出炉渣无延迟检测。解决方案：安装在装有滑动喷嘴1b的连续铸造机上的炉渣溢出装置，当钢包1中的剩余量的熔融金属达到预定水平时，开始排出炉渣的检测操作，惰性气体填充在通过防止滑动喷嘴1b的打开和关闭运动而将熔融金属W从钢包1传导到中间包2的进料喷嘴4中，并且如果检测到的压力水平超过阈值，则确定炉渣S溢出。

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