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公开(公告)号:KR101601289B1
公开(公告)日:2016-03-10
申请号:KR1020100036210
申请日:2010-04-20
Abstract: 본발명은차체접합용스폿용접장치에관한것으로서, 기존의양방향스폿용접방식을적용하는것이불가능하였던판재와관형부재(하이드로포밍관 등) 사이의스폿용접을수행할수 있는차체접합용스폿용접장치에관한것이다. 이러한본 발명에서는판재의용접점부위를가압하는동시에용접전류를인가하게되는상부전극과, 관형부재에서상기판재에용접되는용접점의반대편위치에접촉하여상부전극과대향되게관형부재를지지하는동시에접지역할을수행하게되는하부전극을구비하여구성됨으로써, 간접식편방향스폿용접방식의구현으로기존의편방향스폿용접방식에비해상부전극이높은가압력을용접대상에인가할수 있고, 이로써용접결과물에서도충분한크기의너겟경이형성되어양방향스폿용접의규정기준치를상회하는우수한전단인장강도와용접강도를제공할수 있는이점이있다.
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公开(公告)号:KR1020130108899A
公开(公告)日:2013-10-07
申请号:KR1020120030731
申请日:2012-03-26
Abstract: PURPOSE: A hot stamping device is provided to improve moldability and weldabillty of a super strength material at the same time and to perform a trimming processing. CONSTITUTION: A hot stamping device comprises a lower form die (10) and an upper form die (50). The lower form steel which has a lower end surface shape of a product material is mounted on the lower form die. The lower form die has a lower form trim pad in a lateral part of the lower form steel. The upper form die has an upper end surface shape of the product material. A molded pad which compresses the product material with the lower form steel is mounted on the upper form die. The upper form die has an upper form trim steel in a lateral part of the molded pad. A heating steel (70) is mounted on the lower form steel and the molded pad. A cooling unit (90) is mounted on the lower form steel and the molded pad by corresponding to an inside of a flange part of the product material. The molded pad is connected to the upper form die through a cushion spring. The lower form trim pad is installed to be movable up and down in the lower form die. [Reference numerals] (80) Controller
Abstract translation: 目的:提供热冲压装置,以同时提高超强度材料的成型性和焊接性,并进行修边加工。 构成:热冲压装置包括下成形模(10)和上模(50)。 具有产品材料的较低端面形状的下模钢安装在下模具上。 下模具在下模钢的侧部具有下形的修整垫。 上模具具有产品材料的上端表面形状。 用下成形钢压制产品材料的模压垫安装在上模上。 上模具在模制垫的侧部具有上部形状的修边钢。 加热钢(70)安装在下模钢和模压垫上。 对应于产品材料的凸缘部分的内侧,将冷却单元(90)安装在下成形钢和模制垫上。 模制垫通过缓冲弹簧与上模具连接。 下部装饰垫安装成可在下模中上下移动。 (附图标记)(80)控制器
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公开(公告)号:KR101519159B1
公开(公告)日:2015-05-12
申请号:KR1020090068700
申请日:2009-07-28
Inventor: 정재규
Abstract: 탄소(C) : 0.03중량%이하 (0중량% 제외), 실리콘(Si) : 1.0중량%이하 (0중량% 제외), 망간(Mn) : 1.0중량%이하 (0중량% 제외), 인(P) : 0.04중량%이하 (0중량% 제외), 황(S)0.03중량%이하 (0중량% 제외), 크롬(Cr) : 21중량% 초과, 23중량% 이하, 니켈(Ni) : 2.5~3.5중량%, 티타늄(Ti) : 0.6~0.8중량%, 코발트(Co) : 0.7~1.0중량%, 질소(N) : 0.01중량%이하 (0중량% 제외), 잔량의 철(Fe) 및 기타 불가피한 불순물을 포함하는 강판을 제조하는 단계, 상기 강판을 열간 압연시킨 이후 결정입도가 6.0이하가 되도록 열연 소둔 열처리를 시행하는 단계 및 열연 소둔 열처리를 거친 상기 강판을 냉간 압연시킨 이후 결정입도가 7.0이상이 되도록 냉연 소둔 열처리를 시행하는 단계를 포함하는 열―기계적 피로특성이 우수한 페라이트계 스테인리스강 제조방법이 소개된다.
이러한 조성을 갖는 열―기계적 피로특성이 우수한 페라이트계 스테인리스강 제조방법은 고온 상태에서의 열―기계적 피로 특성, 항복강도 및 인장강도가 향상되어 적용된 부품의 내구성이 향상될 수 있고, r-value가 상승하여 성형성이 향상될 수 있으며, 고가의 희귀금속을 포함하지 않아 소재 원가의 절감을 이룰 수 있게 된다.
스테인리스강, 페라이트계, 배기매니폴드, 열―기계적 피로-
公开(公告)号:KR1020110116663A
公开(公告)日:2011-10-26
申请号:KR1020100036210
申请日:2010-04-20
Abstract: 본 발명은 차체 접합용 스폿 용접 장치에 관한 것으로서, 기존의 양방향 스폿 용접 방식을 적용하는 것이 불가능하였던 판재와 관형 부재(하이드로포밍 관 등) 사이의 스폿 용접을 수행할 수 있는 차체 접합용 스폿 용접 장치에 관한 것이다. 이러한 본 발명에서는 판재의 용접점 부위를 가압하는 동시에 용접전류를 인가하게 되는 상부전극과, 관형 부재에서 상기 판재에 용접되는 용접점의 반대편 위치에 접촉하여 상부전극과 대향되게 관형 부재를 지지하는 동시에 접지 역할을 수행하게 되는 하부전극을 구비하여 구성됨으로써, 간접식 편방향 스폿 용접 방식의 구현으로 기존의 편방향 스폿 용접 방식에 비해 상부전극이 높은 가압력을 용접 대상에 인가할 수 있고, 이로써 용접 결과물에서도 충분한 크기의 너겟경이 형성되어 양방향 스폿 용접의 규정 기준치를 상회하는 우수한 전단 인장강도와 용접강도를 제공할 수 있는 이점이 있다.
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公开(公告)号:KR1020110011175A
公开(公告)日:2011-02-08
申请号:KR1020090068700
申请日:2009-07-28
Inventor: 정재규
CPC classification number: C22C38/52 , C01P2006/32 , C21D8/0263 , C21D2211/005 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/50 , C22C2202/00
Abstract: PURPOSE: A ferrite stainless steel with an excellent thermo-mechanical fatigue property is provided to enhance resistivity to the deformation of unit lattice at a high temperature since cobalt is added, and thus coupling force of a base is strengthen. CONSTITUTION: A ferrite stainless steel with an excellent thermo-mechanical fatigue property consists of carbon of 0.03 weight% or less, silicon of 1.0 weight% or less, manganese of 1.0 weight% or less, phosphorus of 0.04 weight% or less, sulfur of 0.03 weight% or less, chrome of 21~23 weight%, nickel of 2.5~3.5 weight%, titanium of 0.6~0.9 weight%, cobalt of 0.7~1.0 weight%, nitrogen of 0.01 weight% or less, iron and other inevitable impurities. The manufacturing method of a ferrite stainless steel comprises following steps. A slab is hot-rolled. The slab is annealed at a temperature of 1000°C. The slab is cold-rolled and is annealed at a temperature of 1050°C.
Abstract translation: 目的:提供一种具有优异的机械疲劳性能的铁素体不锈钢,以增加高温下单元晶格变形的电阻率,因为添加了钴,从而增强了基极的耦合力。 构成:具有优异的热机械疲劳特性的铁素体不锈钢由0.03重量%以下的碳,1.0重量%以下的硅,1.0重量%以下的锰,0.04重量%以下的磷组成, 0.03重量%以下,铬21〜23重量%,镍2.5〜3.5重量%,钛0.6〜0.9重量%,钴0.7〜1.0重量%,氮0.01重量%以下,铁等不可避免 杂质。 铁素体不锈钢的制造方法包括以下步骤。 板坯被热轧。 板坯在1000℃的温度下退火。 将该板坯冷轧并在1050℃的温度下退火。
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公开(公告)号:KR1020140000399A
公开(公告)日:2014-01-03
申请号:KR1020120067242
申请日:2012-06-22
Applicant: 현대자동차주식회사
Abstract: The present invention relates to a method for manufacturing a lightweight hot stamping material, wherein the method is to manufacture a hot stamping material, which is lightweight, without the degrading of strength, running noise, and vibration (NVH) performance by maintaining the prior thickness. The method includes a first step of heating a hot stamping material in a heating furnace so that the temperature of an aluminum-silicone coating steel blank becomes more than the transformation point of AC3; a second step of transferring the two heated aluminum-silicone coating steel blanks to a press; a third step of performing a pressing-sudden cooling process by inserting an aluminum plate between the two aluminum-silicone coating steel blanks transferred to the press; and a fourth step for performing a trim process on the protruding part caused by the pressing-sudden cooling process.
Abstract translation: 本发明涉及一种轻质热冲压材料的制造方法,其特征在于,该方法是通过保持先前的厚度来制造轻质的热冲压材料,而不会降低强度,运行噪音和振动(NVH)性能 。 该方法包括在加热炉中加热热冲压材料的第一步骤,以使铝硅氧烷涂层钢坯的温度变得超过AC3的转变点; 将两个加热的铝 - 硅涂层钢坯料转移到压机的第二步骤; 通过将铝板插入转移到压机的两个铝硅酮涂层钢坯之间进行按压突然冷却过程的第三步骤; 以及第四步骤,用于对通过按压突然冷却过程引起的突出部分进行修整处理。
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公开(公告)号:KR1020070013495A
公开(公告)日:2007-01-31
申请号:KR1020050067839
申请日:2005-07-26
Applicant: 현대자동차주식회사
Inventor: 정재규
Abstract: A method for manufacture an impact beam using truss boards is provided to improve weldability by welding upper and lower surface plates to a truss structure at 1,100 deg.C by pure copper brazing, and obtain effects of process simplification and cost reduction by quenching the upper and lower surface plates welded to the truss structure using high brazing temperature within a furnace without an additional heat treatment equipment. A method for manufacture an impact beam using truss boards comprises the steps of: supplying a raw material; cutting the raw material by a laser; expanding the cut raw material in the form of a metal mesh; bending the expanded metal mesh to fabricate a truss structure(12); welding upper and lower surface plates(10) to the truss structure at 1,100 deg.C by pure copper brazing; quenching the upper and lower surface plates welded to the truss structure at 920 deg.C; cooling the completed sandwich type truss board; and cutting the cooled truss board to a desired length to manufacture an impact beam. The cooling process is performed by cooling the sandwich type truss board using water. The cooling process is performed by cooling the sandwich type truss board using air.
Abstract translation: 提供一种使用桁架板制造冲击梁的方法,以通过纯铜钎焊将上下板与1,100℃的桁架结构进行焊接,从而提高焊接性能,并通过淬火上部和下部 在没有额外的热处理设备的情况下,在炉内使用高钎焊温度焊接到桁架结构的下表面板。 使用桁架板制造冲击梁的方法包括以下步骤:供应原料; 用激光切割原料; 以金属网的形式膨胀切割的原料; 弯曲膨胀的金属网以制造桁架结构(12); 通过纯铜钎焊在1100℃下将上下板(10)焊接到桁架结构上; 在920℃淬火焊接到桁架结构的上下表面板; 冷却完成的三明治型桁架板; 并将冷却的桁架板切割成所需长度以制造冲击梁。 冷却过程通过使用水冷却夹层型桁架板来进行。 通过使用空气冷却夹层型桁架板来进行冷却过程。
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公开(公告)号:KR100992545B1
公开(公告)日:2010-11-08
申请号:KR1020080083263
申请日:2008-08-26
Applicant: 현대자동차주식회사
Inventor: 정재규
IPC: F02M25/07
CPC classification number: C22C38/02 , C21D1/72 , C21D6/002 , C21D8/0278 , C22C38/04 , C22C38/20 , C22C38/26 , C22C38/28
Abstract: 페라이트계 스테인리스강이 적용되는 차량용 이지알쿨러 및 그 제조방법이 소개된다. 이 차량용 이지알쿨러는 탄소(C) 0.025~0.03 중량%, 실리콘(Si) 0.2~0.8 중량%, 망간(Mn) 0.05~0.8 중량%, 인(P) 0.01~0.04 중량%, 황(S) 0.01~0.03 중량%, 크롬(Cr) 19~22 중량%, 구리(Cu) 0.2~0.6 중량%, 니오븀(Nb) 또는 티타늄(Ti) 0.25~0.8 중량%, 그리고 잔부(殘部)는 철(Fe)로 구성되고, 차량용 이지알쿨러의 제조방법은, 페라이트계 스테인리스강을 1000~1100℃로 가열하여 30~60분간 유지한 후, 수냉을 통해 냉각하여 열처리하고, 열처리된 페라이트계 스테인리스강을 질산, 불산, 및 증류수가 혼합된 산용액을 통해 산처리한다.
이지알쿨러, 열처리, 페라이트계 스테인리스강-
公开(公告)号:KR1020100024616A
公开(公告)日:2010-03-08
申请号:KR1020080083263
申请日:2008-08-26
Applicant: 현대자동차주식회사
Inventor: 정재규
IPC: F02M25/07
CPC classification number: C22C38/02 , C21D1/72 , C21D6/002 , C21D8/0278 , C22C38/04 , C22C38/20 , C22C38/26 , C22C38/28
Abstract: PURPOSE: An exhaust gas recirculation cooler for a vehicle and a manufacturing method thereof are provided to improve corrosion resistance by heat-treating and acidifying ferrite stainless steel under optimum conditions. CONSTITUTION: An exhaust gas recirculation cooler for a vehicle includes carbon(C) 0.025~0.03 weight%, silicon(Si) 0.2~0.8 weight%, manganese(Mn) 0.05~0.8 weight%, phosphorus(P) 0.01~0.04 weight%, sulfur(S) 0.01~0.03 weight%, chrome(Cr) 19~22 weight%, copper(Cu) 0.2~0.6 weight%, and niobium(Nb) or titanium(Ti) 0.25~0.8 weight%. A remnant is composed of iron(Fe).
Abstract translation: 目的:提供一种用于车辆的废气再循环冷却器及其制造方法,以通过在最佳条件下对铁素体不锈钢进行热处理和酸化来提高耐腐蚀性。 构成:用于车辆的废气再循环冷却器包括:碳(C)0.025〜0.03重量%,硅(Si)0.2〜0.8重量%,锰(Mn)0.05〜0.8重量%,磷(P)0.01〜0.04重量% ,硫(S)0.01〜0.03重量%,铬(Cr)19〜22重量%,铜(Cu)0.2〜0.6重量%,铌(Nb)或钛(Ti)0.25〜0.8重量%。 残余物由铁(Fe)组成。
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公开(公告)号:KR1020090055384A
公开(公告)日:2009-06-02
申请号:KR1020070122278
申请日:2007-11-28
Applicant: 현대자동차주식회사
Inventor: 정재규
CPC classification number: C22C38/34 , C21D8/0226 , C21D8/0236 , C21D2211/005 , C22C38/001 , C22C38/004 , C22C38/22 , C22C38/26
Abstract: A ferritic stainless steel for an exhaust manifold and a manufacturing method thereof are provided to manufacture stainless steel having superior moldability, high temperature fatigue resistance, and oxidation resistance by controlling the composition range of nitrogen and carbon. A ferritic stainless steel for an exhaust manifold comprises: a step for thermal-rolling a stainless steel slab and making crystal size less than 5.0 through a thermal annealing process; and a step for fining crystal size which is greater than 6.0 in cool rolling. The stainless steel slab has iron(Fe) as a main component and is made of chrome(Cr) 14~16 weight% and molybdenum(Mo) 1.2 ~ 1.5weight%, niobium(Nb) 0.4 ~ 0.6weight%, silicon(Si) 2.0 ~ 3.0weight%, carbon(C) 0.025 weight% or less, nitrogen(N) 0.01 ~ 0.03weight% and inevitable elements. The chrome is added for the improvement of the corrosion resistance. The silicon suppresses grain boundary corrosion cracking.
Abstract translation: 提供一种用于排气歧管的铁素体不锈钢及其制造方法,通过控制氮和碳的组成范围来制造具有优异的成型性,耐高温疲劳性和抗氧化性的不锈钢。 一种用于排气歧管的铁素体不锈钢包括:通过热退火工艺热轧不锈钢板坯并使晶体尺寸小于5.0的步骤; 以及在冷轧中澄清大于6.0的晶体尺寸的步骤。 不锈钢板以铁(Fe)为主要成分,由铬(Cr)14〜16重量%,钼(Mo)1.2〜1.5重量%,铌(Nb)0.4〜0.6重量%,硅(Si )2.0〜3.0重量%,碳(C)0.025重量%以下,氮(N)0.01〜0.03重量%和不可避免的元素。 添加铬以提高耐腐蚀性。 硅抑制晶界腐蚀开裂。
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