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    • 1. 发明授权
    • 피로내구성을 향상시킨 베어링강 및 이의 제조방법
    • 轴承钢改进疲劳耐久性及其制造方法
    • KR101685490B1
    • 2016-12-13
    • KR1020150088341
    • 2015-06-22
    • 현대자동차주식회사한국과학기술연구원
    • 차성철홍승현고영상정우상서진유
    • C22C38/00C22C38/02C22C38/06C22C38/16C22C38/04C22C38/18C22C38/24C21D9/40C21D6/00
    • C21D9/525C21D1/32C21D1/56C21D6/004C21D6/005C21D6/008C21D8/065C22C38/001C22C38/002C22C38/02C22C38/04C22C38/06C22C38/42C22C38/44C22C38/46
    • 본발명은피로내구성을향상시킨베어링강및 이의제조방법에관한것으로서, 보다상세하게는전체합금강중량에대하여, 철(Fe)을주 성분으로하여인(P) 0 중량% 초과 0.03 중량% 이하, 황(S) 0 중량% 초과 0.01 중량% 이하, 구리(Cu) 0.01 ~ 0.1중량%, 알루미늄(Al) 0.01 ~0.06 중량%, 질소(N) 0 중량% 초과 0.006 중량% 이하, 산소(O) 0 중량% 초과 0.001 중량%, 탄소(C)는 0.8 ~ 1.0 중량%, 규소(Si)는 0.9 ~ 1.6 중량%, 망가니즈(Mn)는 0.5 ~ 1.00 중량%, 니켈(Ni)은 0.1 ~ 0.6 중량%, 크로뮴(Cr)는 1.4 ~ 1.55 중량%, 몰리브데넘(Mo)은 0.2 ~ 0.5 중량% 및바나듐(V)은 0 중량% 초과 0.4 중량% 이하를포함함으로써, 베어링강의경도, 강도, 인성, 피로강도및 피로수명등 내구성을향상시키는효과가있으며, 상기베어링강의고강도화를가능하게하여, 박육화및 약 20 %의경량화등을통해, 자동차설계의자유도를확보하고, 제조원가를절감할수 있는효과가있는베어링강및 이의제조방법에관한것이다.
    • 本发明涉及具有改善的疲劳寿命的轴承用钢组合物及其制造方法。 钢组合物包含:碳(C)的约0.08〜1.0重量% 硅(Si)的约0.9〜1.6重量%的量; 大于0重量%和约0.03重量%以下的磷(P)的量; 大于0重量%和约0.01重量%以下硫(S)的量; 大约为0.01〜0.1重量%的铜(Cu); 约0.01〜0.06重量%的铝(Al)的量; 大于0重量%和约0.006重量%或更少的氮(N)的量; 大于0重量%和约0.001重量%以下氧(O)的量; 选自以下组中的一种或多种:约0.5〜1.00重量%的锰(Mn),约0.1〜0.6重量%的镍(Ni),约1.4〜1.55重量% 铬(Cr),钼(Mo)的0.2〜0.5重量%,钒(V)的含量大于0重量%和0.4重量%左右。 和构成钢组合物重量余量的铁(Fe),全部以合金钢组合物的总重量计为wt%
    • 4. 发明公开
    • 중력 주조용 금형
    • 重型压铸模具
    • KR1020110063107A
    • 2011-06-10
    • KR1020090120051
    • 2009-12-04
    • 현대자동차주식회사기아자동차주식회사
    • 추동호고영상
    • B22C9/22B22C9/10B22C9/08
    • B22C9/22B22C9/082B22C23/02B22D15/02B22D23/00
    • PURPOSE: A mold for gravity pressure casting is provided to form a separate gas discharging hole at one side of a female mold connected to a turbine cavity, to prevent gas generated by a molten metal and inserted in a lower scroll part from mixing with a molten metal and inserted in a upper scroll part, and to prevent a surface detaching phenomenon. CONSTITUTION: The mold for gravity pressure casting composed of a support mold(15); a gate swirl core(17); a feeder mold; an exhaust runner swirl core(23); a twin scroll part swirl core(25); and a bypass part swirl core(27). The support mold is installed between a female mold and a male mold. The gate swirl core forms a runner interlinking a cavity of an exhaust manifold and a cavity of turbine housing. The gate swirl core forms a plurality of gates. The plurality of gates connects the cavity lower part of the turbine housing. The feeder mold forms a feeder head hole connecting to the cavity of the exhaust manifold. The exhaust runner swirl core forms an exhaust runner part of the exhaust manifold. The twin scroll part swirl core and the bypass part swirl core form a twin scroll part and bypass part respectively.
    • 目的:提供一种用于重力压力铸造的模具,以在连接到涡轮空腔的阴模的一侧形成单独的气体排放孔,以防止熔融金属产生的气体并插入下部涡卷部分中与熔融的 金属并插入上部涡卷部分,并防止表面分离现象。 构成:由支撑模具(15)组成的重力压铸模具; 门旋流芯(17); 喂料模具; 排气流道涡流芯(23); 双涡旋部分涡流芯(25); 和旁路部分涡流芯(27)。 支撑模具安装在阴模和阳模之间。 闸门涡流芯形成一个连接排气歧管的空腔和涡轮机壳体的空腔的转轮。 门漩涡芯形成多个门。 多个门连接涡轮机壳体的腔下部。 进料器模具形成连接到排气歧管的空腔的进料头。 排气流道涡流芯形成排气歧管的排气流道部分。 双涡卷部分涡流芯和旁路部分涡流芯分别形成双涡旋部分和旁路部分。
    • 5. 发明公开
    • 단조용 강 및 단조품
    • 锻钢和锻钢产品钢
    • KR1020100027887A
    • 2010-03-11
    • KR1020080086979
    • 2008-09-03
    • 현대자동차주식회사기아자동차주식회사
    • 고영상
    • C22C38/00C21D8/00
    • C22C38/12C21D8/0205C21D2211/002C22C38/02C22C38/04
    • PURPOSE: Steel for forging and a forged steel product are provided to improve the strength by employing Nb(Niobium) precipitate and workability by forming a uniform bainite structure. CONSTITUTION: Steel for forging comprises C(Carbon) 0.2~0.4 wt.%, Si(Silicon) 0.035 wt.%, Mn(Manganese) 0.5~1.0 wt.%, P(Phosphorus) 0.03 wt.% or less, S(Sulfur) 0.03 wt.% or less, V(Vanadium) 0.01~0.05 wt.%, Nb 0.05~0.50 wt.%, and the rest iron and other inevitable impurities. A forged steel product is produced by forging the steel and then cooling the forged steel in three stages of different cooling rates and has a bainite structure.
    • 目的:提供锻造用钢和锻钢产品,通过形成均匀的贝氏体组织,通过使用Nb(铌)析出物和加工性来提高强度。 构成:锻造用钢包含C(碳)0.2〜0.4重量%,Si(硅)0.035重量%,Mn(锰)0.5〜1.0重量%,P(磷)0.03重量%以下S( 硫)0.03重量%以下,V(钒)0.01〜0.05重量%,Nb 0.05〜0.50重量%,其余为铁等不可避免的杂质。 通过对钢进行锻造,然后以不同冷却速度的三个阶段对锻钢进行冷却,制造锻造钢产品,并具有贝氏体组织。
    • 6. 发明公开
    • 커넥팅 로드용 주철 조성물과 이를 이용한 커넥팅 로드의제조 방법
    • 用于连接连杆的连续铸铁铸铁组合物和使用其连接棒的制造方法
    • KR1020090061409A
    • 2009-06-16
    • KR1020070128415
    • 2007-12-11
    • 현대자동차주식회사기아자동차주식회사
    • 김성환고영상
    • C22C37/10C22C37/00
    • C22C37/10C21D5/00C22C2202/00F16C7/00
    • A cast iron composition for connecting rod and a connecting rod manufacturing method using the same are provided to make the matrix structure of a material into bainite structure by adding Mo, Ni, and Cu, thereby improving workability. A connecting rod manufacturing method includes a step of cooling after casting cast iron composition. The cooling step includes cooling from 930°C to 300~400°C at the speed of 30~50°C/sec, maintaining at 300~400°C for 10~30 minutes, and cooling to the normal temperature at the speed of 5~15°C/min. The cast iron composition is composed of C 2.8~3.8 weight%, Si 2.2~3.2 weight%, Mn 0.20~0.60 weight%, S 0.010~0.020 weight%, Ni 0.04~0.12 weight%, Mo 0.4~1.2 weight%, P 0.05 weight% or less, the residual Fe, and inevitable impurity.
    • 提供一种用于连杆的铸铁组合物和使用其的连杆制造方法,通过添加Mo,Ni和Cu使材料的基体结构成贝氏体结构,从而提高加工性。 连杆制造方法包括铸造铸铁组合物之后的冷却步骤。 冷却步骤包括以30〜50℃/秒的速度从930℃至300〜400℃的冷却,在300〜400℃下保持10〜30分钟,以...的速度冷却至常温 5〜15℃/分钟。 铸铁组成由C 2.8〜3.8重量%,Si 2.2〜3.2重量%,Mn 0.20〜0.60重量%,S 0.010〜0.020重量%,Ni 0.04〜0.12重量%,Mo 0.4〜1.2重量%,P 0.05重量%以下,残留的Fe和不可避免的杂质。
    • 8. 发明公开
    • 자동차용 크랭크 샤프트의 필렛 롤링 방법
    • 汽车起重机的填充方法
    • KR1020080013055A
    • 2008-02-13
    • KR1020060074052
    • 2006-08-07
    • 현대자동차주식회사
    • 김성환고영상
    • C21D7/13C21D9/30B21K1/08B23P15/00
    • C21D7/13B21K1/08C21D9/30
    • A fillet rolling-method of a crank shaft for a vehicle is provided to prevent the reduction of strength of an engine derived from Bauschinger effect by heating a working part at a suitable temperature. A crank shaft is rotated. A predetermined load is applied to a pin fillet unit(12) of a crank shaft. The load applied to the pin fillet unit by using a pressing roller(16) is in the range of about 300kgf to 950kgf. The pin fill unit is heated at a predetermined temperature by using a high-frequency induction coil(15). The temperature used to heat the pin fill unit is in the range of 168 degrees centigrade to 309 degrees centigrade. The above selected area strengthening scheme strengthens a portion of the pin fillet unit in driving.
    • 提供一种用于车辆的曲轴的圆角滚动方法,以通过在适当的温度下加热工作部件来防止由Bauschinger效应引起的发动机的强度的降低。 曲轴旋转。 预定的载荷被施加到曲轴的销圆角单元(12)。 通过使用加压辊(16)施加到销角单元的负载在约300kgf至950kgf的范围内。 通过使用高频感应线圈(15)将针脚填充单元加热到预定温度。 用于加热针脚填充单元的温度在168摄氏度到309摄氏度的范围内。 上述选择的区域强化方案加强了销子部分行驶中的一部分。
    • 9. 发明公开
    • 차량용 실린더헤드 보올트 제조방법
    • 制造汽车缸盖螺栓的方法
    • KR1020020084590A
    • 2002-11-09
    • KR1020010023987
    • 2001-05-03
    • 현대자동차주식회사
    • 고영상
    • B21K1/44
    • B23P15/00B21C1/00B21H3/02B21J5/12C21D9/0093
    • PURPOSE: A method of manufacturing cylinder head bolts for vehicles is provided for maintaining a binding power of cylinder head and cylinder block necessary for torque clamp by getting low priced chrome alloy steel (SCR 435) heated to have yielding strength and tension strength which high priced chrome molybdenum alloy steel (SCM 435) has. CONSTITUTION: The method of manufacturing cylinder head bolts for vehicles comprises a preparatory step (S10) for preparing chrome alloy steel, a basic material, as required for bolts standard; a wire drawing step (S20) for dealing with chrome alloy steel prepared in the preparatory step (S10); a forging step (S30) for processing chrome alloy steel roughly by using a press device again; a cutting step (S40) for processing chrome alloy steel as required by the standard; a rolling step (S50) for improving yielding strength and tension strength of the bolts processed through the cutting step (S40); a tampering step (S50') for improving yielding strength and tension strength of the bolts by getting them heated for about 2 hours at 250°C; a surface processing step (S60) for improving abrasion resistance on the surface of the bolts as well as improving yielding strength and tension strength of the bolts; and a checking step (S70) for checking the final bolts with naked eyes and mechanically.
    • 目的:提供一种制造车辆气缸盖螺栓的方法,用于通过将低价铬合金钢(SCR 435)加热到具有屈服强度和拉伸强度(高价格)来维持扭矩夹所需的气缸盖和气缸体的捆扎力 铬钼合金钢(SCM 435)。 构成:制造车辆用气缸盖螺栓的方法包括制备铬合金钢的准备步骤(S10),根据螺栓标准要求的基本材料; 用于处理在准备步骤(S10)中准备的铬合金钢的拉丝步骤(S20); 锻造步骤(S30),用于再次使用压制装置粗加工铬合金钢; 用于根据标准要求处理铬合金钢的切割步骤(S40); 用于提高通过切割步骤处理的螺栓的屈服强度和张力的轧制步骤(S50)(S40); 通过在250℃下加热约2小时来改善螺栓的屈服强度和拉伸强度的篡改步骤(S50'); 用于改善螺栓表面的耐磨性的表面处理步骤(S60)以及提高螺栓的屈服强度和拉伸强度; 以及用肉眼和机械地检查最终螺栓的检查步骤(S70)。