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1. 发明专利

JP2008229647A Crankshaft and manufacturing method of crankshaft 有权
标题翻译： CRANKSHAFT和制造商的制造方法
公开(公告)号：JP2008229647A
公开(公告)日：2008-10-02
申请号：JP2007070920
申请日：2007-03-19
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： YAMADA TAKAYUKI , TANAHASHI KAZUHIRO , MORI MOTOHIDE , SEGUCHI TAKESHI , OGAWA TERU , OGURO MASATOSHI , OKONOGI MAKOTO , YOSHIDA TAKU , HASEGAWA HIROSHI , KATO HIDEHISA
IPC分类号： B23K20/00 , B23K103/02 , F16C3/10
摘要： PROBLEM TO BE SOLVED: To provide a crankshaft manufacturing method that can facilitate light weight of a crankshaft at a low cost and that can satisfy material properties required for the crankshaft along the axial direction.
SOLUTION: This is a method of manufacturing a crankshaft by joining a plurality of joining members to each other. In the method, in joining the joining members 10A, 10B..., those that are sectioned in the faces 30a, 30b...crossing the axial line L of the crankshaft 1 are used as the joining members 10A, 10B.... The joining members are joined by liquid phase diffusion joining by interposing, between the joining members, a low melting point joining material 60 which has a lower melting point than that of the joining members containing a boron element.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种曲轴制造方法，其可以以低成本促进曲轴的重量轻，并且可以满足曲轴沿轴向所需的材料特性。解决方案：这是通过将多个接合构件彼此连接来制造曲轴的方法。在该方法中，在接合部件10A，10B ...时，将与曲轴1的轴线L交叉的面30a，30b中的截面的接合部件10A，10B ... 通过在连接部件之间插入熔点低于含有硼元素的接合部件的熔点低的低熔点接合材料60，通过液相扩散接合来连接接合部件。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2008013813A Method for producing structure-controlled steel and structure-controlled steel 审中-公开
标题翻译：用于生产结构控制钢和结构控制钢的方法
公开(公告)号：JP2008013813A
公开(公告)日：2008-01-24
申请号：JP2006186388
申请日：2006-07-06
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： TANAHASHI KAZUHIRO , MORI MOTOHIDE , KADA OSAMU , TODA MASAHIRO , TAKADA HIROTADA , MIZUNO HIROYUKI , IWAKI SHOJI , KATO HIDEHISA
IPC分类号： C21D8/00 , C22C38/00 , C22C38/06 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a method for producing structure-controlled steel and the structure-controlled steel, in which the structure of the steel is made more fine by restraining coarsening of crystal grains in the steel.
SOLUTION: The method for producing the structure-controlled steel is disclosed by which the structure-controlled steel is produced by hot-forging steel containing 0.10-0.48 mass% C, 0.15-1.60 mass% Si, 0.60-2.50 mass% Mn, >0 mass% to 0.020 mass% N and a prescribed content of Al, the hot forging being performed at 900-1,150°C. It is preferable that the steel contains 0.015-0.050 mass% Al.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种结构控制钢和结构控制钢的制造方法，其中钢的结构通过抑制钢中的晶粒的粗化而变得更细。＆lt;解决方案＆gt;公开了该结构控制钢的制造方法，其中通过含有0.10-0.48质量％C，0.15-1.60质量％Si，0.60-2.50质量％的热锻钢制成结构控制钢， Mn，> 0质量％〜0.020质量％N，规定含量的Al，热锻造在900-1,150℃下进行。优选钢含有0.015〜0.050质量％的Al。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2005054228A Easily rupture-separating ultrahigh-temperature hot-forged non-heat-treated component for connecting rod, and manufacturing method therefor 有权
标题翻译：易破裂分离超高温加热非加热元件连接件及其制造方法
公开(公告)号：JP2005054228A
公开(公告)日：2005-03-03
申请号：JP2003285890
申请日：2003-08-04
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： IWAKI SHOJI , IWAMA NAOKI , KATO HIDEHISA , TANAKA TATSUO , ONO NAOHITO , KINO KINSEI , TODA MASAHIRO , KADA OSAMU
IPC分类号： B21J5/00 , B21K1/14 , C22C38/00 , C22C38/38 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a hot-forged component having stable and superior rupture-separability secured even in consideration of fluctuation when being manufactured.
SOLUTION: This component comprises, by wt.%, 0.20-0.60% C, 0.10-2.50% Si, 0.30-2.00% Mn, 0.01-0.20% P, 0.05-2.00% Cr, 0.060% or less Al, 0.01-0.50% V, 0.003-0.020% N, one or more elements from among 0.04-0.20% S, 0.30% or less Pb, 0.30% or less Te, 0.01% or less Ca, 0.30% or less Bi, 0.01% or less Mg and 0.01% or less Zr, as needed, and the balance Fe with impurity elements; has the structure of ferrite-pearlite; and contains austenitic grains having an average grain size number of 2.5 or less.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使考虑到制造时的波动，也能够确保稳定而优异的断裂分离性的热锻部件。解决方案：该组分包括重量％，0.20-0.60％C，0.10-2.50％Si，0.30-2.00％Mn，0.01-0.20％P，0.05-2.00％Cr，0.060％或更少的Al， 0.01-0.50％V，0.003-0.020％N，0.04-0.20％S，0.30％或更少的Pb，0.30％或更少的Te，0.01％或更少的Ca，0.30％或更少的Bi，0.01％或更少的Mg和0.01％或更少的Zr，并且余量为Fe与杂质元素; 具有铁素体 - 珠光体的结构; 并且含有平均粒径数为2.5以下的奥氏体晶粒。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2010172947A Method of super-high temperature hot forging 审中-公开
标题翻译：超高温锻造方法
公开(公告)号：JP2010172947A
公开(公告)日：2010-08-12
申请号：JP2009019143
申请日：2009-01-30
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： KAWAMOTO TAKESHI , KATO HIDEHISA , NAKAMURA MASAHITO , OKA MASAHIRO , HIRACHI SHINGO , KADA OSAMU , TAKADA HIROTADA , TODA MASAHIRO
IPC分类号： B21J1/06 , C21D8/00 , C21D9/30 , C22C38/00
摘要： PROBLEM TO BE SOLVED: To provide a method of super-high temperature hot forging to reduce a surface crack of a forged article.
SOLUTION: The method of super-high temperature hot forging includes, a heating step of heating a steel material at ≥1,250°C, and a rough forging step of hot forging after the heating of the steel material, in which die temperature of a third forging die used in a final forging step is made lower than the heating temperature in the heating step by ≥1,130°C. By lowering the die temperature of the third forging die, adherence of oxidized scale to a die surface of the third forging die is controlled, and the surface crack of the forged article is reduced.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种超高温热锻方法，以减少锻造制品的表面裂纹。解决方案：超高温热锻的方法包括：加热钢材的加热步骤，在≥2,250℃，以及加热钢材后进行热锻的粗加工步骤，其中模具温度在第一锻造步骤中使用的第三锻模的制造温度低于加热步骤中的加热温度≥1,130℃。通过降低第三锻模的模具温度，控制氧化鳞片与第三锻模的模具表面的粘合，并且锻造制品的表面裂纹减小。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2005014079A Manufacturing method for partial-cold-working strengthened connecting-rod 审中-公开
标题翻译：部分加工强化连接件的制造方法
公开(公告)号：JP2005014079A
公开(公告)日：2005-01-20
申请号：JP2003186309
申请日：2003-06-30
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： IWAMA NAOKI , KATO HIDEHISA , HIROTA SHIGEO , KINO KINSEI , ONO NAOHITO , FUJITA TAKASHI , TAKADA HIROTADA
IPC分类号： B21K1/14 , B21J5/02
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method for a partial-cold-working strengthened connecting-rod, by which a column part is highly strengthened effectively.
SOLUTION: The manufacturing method includes the following processes: a hot-forging process, where a large end part, a small end part, and a column part 13 are formed by hot-forging, and further the cross section of the column part 13 is formed roughly into an H shape by providing a stem part 130 of a strip-shape in the column part 13 and by forming rib parts 131, each of which is erected from the vicinity of the both ends in the width direction of the both faces of the stem part 130; a cold-working process, where open-forging is conducted using an open-forging die 5, which has an open part 51 releasing only the outside face parts of both ends in the width direction of the stem part 130 and which covers roughly the whole surfaces of the other rib parts 131 and the stem part 130, so that the column part 13 is cold-worked with 10-30% area reduction rate of its cross section and further burrs 19 swollen out of the open part 51 are formed; and a fine blanking process, where the burrs 19 are cut and removed by a fine blanking method.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种部分冷加工连杆的制造方法，通过该制冷方法，柱部分被有效地高度强化。解决方案：制造方法包括以下工序：通过热锻而形成大端部，小端部和柱部13的热锻工艺，进一步地，柱的横截面通过在柱部13中设置带状的杆部130，并且形成肋部131，其中，肋部131从宽度方向的两端附近竖立，形成大致H形状茎部130的两个面; 一种冷加工工艺，其中使用开式锻模5进行开锻，其具有仅在杆部件130的宽度方向上仅释放两端的外表面部分并且大致全部覆盖的开口部分51 其他肋部131和杆部130的表面，使得柱部13被冷加工成10-30％的截面积减小率，并且形成从开口部51膨胀的另外的毛刺19; 以及精细冲切工艺，其中通过精细冲切方法切割和去除毛刺19。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004169055A Age hardening type high-strength bainitic steel parts superior in machinability and manufacturing method therefor 审中-公开
公开(公告)号：JP2004169055A
公开(公告)日：2004-06-17
申请号：JP2002332710
申请日：2002-11-15
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： IWAKI SHOJI , NOMURA KAZUE , IWAMA NAOKI , KATO HIDEHISA , SEGUCHI TAKESHI , MORI MOTOHIDE , HASHIMURA MASAYUKI , TAKADA HIROTADA
IPC分类号： C21D8/00 , C22C38/00 , C22C38/12 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide steel parts which have both of high strength and such a machinability as to enable mass production, and achieves great weight saving for the underbody parts of automobiles.
SOLUTION: The steel for the parts comprises, by weight ratio, 0.06-0.20% C, 0.03-1.00% Si, 1.00-3.00% Mn, 0.030% or less P, 0.04-0.30% S, 0.50-2.00% Cr, 0.05-1.00% Mo, 0.001-0.060% Al, 0.30-1.00% V, 0.0080-0.0200% N, 0.0005-0.0100% Ca, 0.0005-0.0100% Mg and the balance Fe with impure elements; and has a structure comprising ferrite pearlite or martensite of 30% or less (including 0%) by area rate. The method for manufacturing the steel parts comprises hot forging the steel, and aging it at a temperature of 550 to 700°C.
COPYRIGHT: (C)2004,JPO

7. 发明专利

JP2007301617A Apparatus and method for separating pressure welded material 有权
标题翻译：用于分离压力焊接材料的装置和方法
公开(公告)号：JP2007301617A
公开(公告)日：2007-11-22
申请号：JP2006134188
申请日：2006-05-12
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： KADA OSAMU , TODA MASAHIRO , KAWABATA TERUO , TANAHASHI KAZUHIRO , INOGUCHI TAMAKI , MORI MOTOHIDE , KINO KINSEI , IWAKI SHOJI , KATO HIDEHISA , MIZUNO HIROYUKI
IPC分类号： B21K27/00 , B21J1/06
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and a method for separating a pressure welded material, with which the pressure welded material in an induction heating furnace is separated without remaining flaw and hitting mark on the material. SOLUTION: The apparatus for separating the pressure welded material, is constituted of a holding mechanism for the rear part of the pressure welded material, a supporting mechanism for the material, a separating power applying mechanism, and a detecting sensor for the pressure welded material, which is arranged in order from the outlet side of the induction heating furnace. The pressure welded material is separated by applying the separating power so that L 1 [mm], horizontal distance between the supporting mechanism and the separating power applying mechanism, L 3 [mm], distance between the center of the position for applying the separating power and the pressure welded surfaces of a first material and a second material, and D [mm], diameter of the material, become D 3 1 by using the apparatus for separating the pressure welded material in which with D [mm], L 1 [mm] and L 2 [mm], horizontal distance between the holding mechanism and the above separating mechanism, are L 1 >D and L 2 >D. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于分离压力焊接材料的装置和方法，通过该压力焊接材料分离感应加热炉中的压焊材料，而不会在材料上留下缺陷和撞击痕迹。解决方案：用于分离压焊材料的装置由用于压焊材料的后部的保持机构，用于材料的支撑机构，分离力施加机构和用于压力的检测传感器构成焊接材料，其从感应加热炉的出口侧依次排列。通过施加分离能力使压力焊接材料分离，使得支撑机构和分离动力施加机构之间的水平距离L 1 [mm]，L 3 ]，用于施加分离功率的位置的中心与第一材料和第二材料的压力焊接表面之间的距离以及材料的直径D [mm]变为D 3 1 [mm]和L 2 1 > [mm]，保持机构与上述分离机构的水平距离为L 1 > D，L 2 > D。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2005014080A Manufacturing method for strengthened connecting-rod having small dimensional dispersion 有权
标题翻译：具有小尺寸分布的加强连接的制造方法
公开(公告)号：JP2005014080A
公开(公告)日：2005-01-20
申请号：JP2003186310
申请日：2003-06-30
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： IWAMA NAOKI , KATO HIDEHISA , HIROTA SHIGEO , KINO KINSEI , ONO NAOHITO , FUJITA TAKASHI , TAKADA HIROTADA
IPC分类号： B21K1/14 , B21J5/02
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method for a connecting-rod, by which dimensional dispersion is made small and high strength is secured using cold-coining.
SOLUTION: In the manufacturing method, a large end part 11, a small end part 12, and a column part 13 connecting these end parts 11, 12 are provided, and cold-coining is conducted. Thereby, a strengthened connecting-rod 1, whose column part 13 is strengthened and whose dimensional dispersion is made small, is manufactured. The manufacturing method includes a hot-forging process, where the large end part 11, the small end part 12, and the column part 13 are formed by subjecting a material to hot-forging, and a cold-coining process, where the column 13 is subjected to cold-coining. In the cold-coining process, press loading control, where the press load imparted to the column part 13 is released when the imparted load reaches a predetermined specific value, is performed.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种连杆的制造方法，通过使用冷压缩来确保尺寸分散小而高强度。解决方案：在制造方法中，设置连接这些端部11,12的大端部11，小端部12和柱部13，并进行冷压缩。由此，制造柱部13被加强并且其尺寸分散小的加强连杆1。制造方法包括热锻工艺，其中大端部11，小端部12和柱部13通过对材料进行热锻和冷压制工艺形成，其中柱13 经受冷压缩。在冷冲压工艺中，当进行施加的负荷达到预定的特定值时，按压加载控制，其中赋予柱部13的压力载荷被释放。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005014078A Manufacturing method for cold-coining strengthened connecting-rod 审中-公开
标题翻译：冷连接加强连接的制造方法
公开(公告)号：JP2005014078A
公开(公告)日：2005-01-20
申请号：JP2003186308
申请日：2003-06-30
申请人： Aichi Steel Works Ltd , Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 愛知製鋼株式会社 , 新日本製鐵株式会社
发明人： IWAMA NAOKI , KATO HIDEHISA , HIROTA SHIGEO , KINO KINSEI , ONO NAOHITO , FUJITA TAKASHI , TAKADA HIROTADA
IPC分类号： B21K1/14 , B21J5/02 , C21D8/00
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method for a cold-coining strengthened connecting-rod, which has a stable strength even when the dimensions of hot-forged rough-shaped materials are varied, and which has small dispersion of strength.
SOLUTION: The manufacturing method includes: a hot-forging process S1, where a large end portion, a small end portion, and a column part are formed by subjecting a material to hot-forging; a hot/warm-coining process S2, where the column part is subjected to a hot-coining process or a warm-coining process in the temperature range of 500-1,000°C during the cooling after the hot-forging process S1; and a cold-coining process S4, where the column part is further subjected to a cold-coining process in the temperature range of ≤ 100°C after the hot/warm-coining process S2. In the cold-coining process S4, the cold-coining is conducted under the condition that a working-ratio (h
1 -h
2 )/h
1 is 0.15-0.25, wherein h
1 is a rib height of the column part before the cold-coining, and h
2 is a rib height of the column part after the cold-coining.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种冷压缩加强连杆的制造方法，即使在热锻粗糙材料的尺寸变化的情况下也具有稳定的强度，并且具有小的强度分散性。解决方案：制造方法包括：通过对材料进行热锻而形成大端部，小端部和柱部的热锻工艺S1; 在热锻造步骤S1之后的冷却期间，柱部分进行热压制或热压制工艺在500-1000℃的热/热压制工艺S2; 和冷冲压工艺S4，其中在热/热压制工艺S2之后，柱部分进一步在≤100℃的温度范围内进行冷压制工艺。在冷冲压工序S4中，冷加工是在工作比（h 1 -h 2 ）/ h < / SB>为0.15-0.25，其中h 1 是冷压制之前的柱部分的肋高度，h 2 是柱部分的肋高度冷精后。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2010196158A Hot forged non-heat treated steel parts and non-heat treated steel for hot forging used for the same 有权
标题翻译：热锻非热处理钢部件和非热处理钢用于相同的锻造
公开(公告)号：JP2010196158A
公开(公告)日：2010-09-09
申请号：JP2010011689
申请日：2010-01-22
申请人： Aichi Steel Works Ltd , 愛知製鋼株式会社
发明人： UENISHI TAKEYUKI , IIZUKA MITSUHISA , KATO HIDEHISA
IPC分类号： C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide hot forged non-heat treated steel parts which can ensure excellent machinability without depending on aging treatment while ensuring high strength. SOLUTION: The hot forged non-heat treated steel parts have a chemical composition containing, by mass, 0.35 to 0.45% C, 0.40% or less Si, 0.90 to 1.40% Mn, 0.04 to 0.10% S, 1.00% or less Cr, 0.20 to 0.50% V, and the balance Fe with inevitable impurities, wherein 2Mn+5Mo+Cr COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供热锻非热处理钢部件，其可以确保优异的机加工性而不依赖于老化处理，同时确保高强度。解决方案：热锻非热处理钢部件具有质量分数为0.35〜0.45％，Si为0.40％以下的Si，0.90〜1.40％的Mn，0.04〜0.10％的S，1.00％的化学成分，较少的Cr，0.20〜0.50％V，余量为Fe与不可避免的杂质，其中2Mn + 5Mo + Cr <3.1; Ceq = C + Si / 7 + Mn / 5 + Cr / 9 + V为0.9-1.1; 硬度为HV 340以上; 屈服比为0.7以上; 该结构是含有10％以下贝氏体的铁素体 - 珍珠岩结构。版权所有（C）2010，JPO＆INPIT

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