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公开(公告)号：KR1019980037439A
公开(公告)日：1998-08-05
申请号：KR1019960056189
申请日：1996-11-21
Applicant: 현대자동차주식회사
Inventor： 임종대
Abstract: 본 발명은 일체형 커넥팅 로드의 캡 분리방법에 있어서, 커넥팅 로드와 캡을 일체로 성형하고, 대단부의 안쪽에 노치를 만들어서 인장력에 의한 파단법으로 커넥팅 로드에 인장력을 가하는 것과 동시에 파단되는 부위에는 질소가스를 분사하여서 그 부위를 냉각시켜 줌으로써, 대단부로부터 캡이 파단되는 위치에서의 소성변형이 일어 나는 시간을 단축시켜, 파단후 별도의 작업이 없이도 캡을 사용할 수 있게 되어, 작업능율을 높일 수 있는 일체형 커넥팅 로드의 캡 분리방법을 제공하는데 있다.
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公开(公告)号：KR2019970033631U
公开(公告)日：1997-07-26
申请号：KR2019950050954
申请日：1995-12-28
Applicant: 현대자동차주식회사
Inventor： 임종대
IPC: B60R1/06
Abstract: 본고안은차량의사이드미러의외측글래스부를뒤로젖힐수 있도록하여별도의사각미러설치와관계없이운전자에게좌·우측의사각을볼 수있도록하여차량의차선교체시발생되는측면충돌사고를방지할수 있도록한 도어사이드미러의구조에관한것으로, 본고안은도어사이드미러(1)의글래스(10) 외측배면에홀더(11)를설치하고, 홀더(11)에와이어(12)를연결하여실내에설치된레버(도면에미표시)에연결하며, 글래스(10)의홀더(11) 배면상·하에리턴스프링(20)을설치하고, 하우징(30)의내부면과연결하여상기레버의미작동시항상글래스(10)가원위치상태를유지할수 있도록구성하여운전자가필요시에글래스의각도를변화시키므로사각지대를관찰할수 있어차선교체시뒷차와의측면충돌사고를방지할수 있도록한 유용한고안이다.
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公开(公告)号：KR1019960021294A
公开(公告)日：1996-07-18
申请号：KR1019940034224
申请日：1994-12-14
Applicant: 현대자동차주식회사
Inventor： 임종대
Abstract: 본 발명은, 내마모성과 고온 내식성 및 내열성이 우수한 밸브 시이트용 소결 합금에 관한 것이다. 본 발명은 다음의 조성으로 이루어지는 밸브시트용 소결 합금을 제공한다.
탄소...0.5내지 1.8% 크롬...0.5내지 5.0%, 몰리브텐...8.0내지 18.0%, 니켈...1.0내지 3.0%, 코발트... 2.0내지 5.0%, 니오비움...0.5내지 3.0%, 티타늄-알루미늄 금속간 화합물...0.5내지 15.0% 구리...8.0내지 20.0%, 철...나머지 성분.-
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公开(公告)号：KR1020110054426A
公开(公告)日：2011-05-25
申请号：KR1020090111058
申请日：2009-11-17
Applicant: 현대자동차주식회사 , 대한소결금속 주식회사
CPC classification number: B22F5/08 , B21H5/00 , B22F3/12 , B22F3/24 , B22F2998/10 , B22F2999/00
Abstract: PURPOSE: A method of manufacturing sintered gear for transmission, which can reduce manufacturing costs by minimizing post processes is provided to increase the density of the sintered gear and to improve strength. CONSTITUTION: A method of manufacturing sintered gear for transmission comprises the next step. Carbon(C) 0.2 ~ 0.3 wt% is mixed in alloyed powder consisting of chrome(Cr) 1.3 ~ 1.7 wt%, molybdenum(Mo) 0.15 ~ 0.30 wt% and remainder iron(Fe). The pressure is added in the mixed powder and tooth form is given to the mixed powder. The molded materials are sintered in 1200 ~ 1300°C. The sintered materials(1) are rolled between two rolling dies(3,5) in room temperature. The rolled materials are heat-treated.
Abstract translation: 目的：提供一种制造用于变速器的烧结齿轮的方法，其可以通过最小化后加工来降低制造成本，以增加烧结齿轮的密度并提高强度。 构成：制造用于传输的烧结齿轮的方法包括下一步骤。 碳（C）0.2〜0.3重量％在由铬（Cr）1.3〜1.7重量％，钼（Mo）0.15〜0.30重量％，余量为铁（Fe）组成的合金粉末中混合。 在混合粉末中加入压力，将混合粉末赋予牙齿形状。 成型材料在1200〜1300℃下烧结。 烧结材料（1）在室温下在两个轧制模具（3,5）之间轧制。 轧制材料进行热处理。
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Patent Agency Ranking
公开(公告)号：KR1020100134256A
公开(公告)日：2010-12-23
申请号：KR1020090052781
申请日：2009-06-15
Applicant: 현대자동차주식회사
Abstract: PURPOSE: A brake disc and a manufacturing mold thereof are provided to prevent molten metal from flowing from a frictional plate cavity part to a disc hat lower cavity part. CONSTITUTION: A manufacturing mold of a brake disc comprises an upper mold, a lower mold, a runner(260), and a choke part(270). A disc hat cavity part filled with molten metal is formed in the upper mold. A frictional plate cavity part is formed in the lower mold. The runner supplies molten metal to the frictional plate cavity part. The choke part is formed between the runner and the frictional plate cavity part and has an injection passage(271) for reducing the injection speed of the molten metal.
Abstract translation: 目的：提供一种制动盘及其制造模具，以防止熔融金属从摩擦板空腔部分流到盘帽下腔体部分。 构成：制动盘的制造模具包括上模具，下模具，流道（260）和扼流部分（270）。 在上模具中形成有填充有熔融金属的盘形帽腔部。 在下模具中形成摩擦板空腔部分。 跑步者将熔融金属提供给摩擦板腔部分。 扼流部分形成在流道和摩擦板空腔部分之间，并具有用于降低熔融金属注入速度的注入通道（271）。
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公开(公告)号：KR100805455B1
公开(公告)日：2008-02-20
申请号：KR1020060072671
申请日：2006-08-01
Applicant: 현대자동차주식회사
IPC: C23C4/10
Abstract: 본 발명은 우수한 전도성 및 내산화성 피막을 갖춰서 접촉저항을 최소화할 수 있는 플라즈마 용사법을 이용한 에스오에프씨 금속 접속자의 제조방법에 관한 것으로, La
2 O
3 , SrCO
3 , 및 MnCO
3 의 원료 분말을 정량하여 혼합하되 Mn 함유 분말을 목표치보다 과량 첨가하여 혼합 분말을 제조하는 단계; 상기 혼합 분말을 하소하여 고상반응시키는 단계; 상기 고상반응 분말을 다시 습식 밀링하여 슬러리를 얻는 단계; 상기 슬러리를 분무건조법을 이용하여 구상화 분말로 제조하는 단계; 코팅될 모재를 샌드 블라스팅하는 단계; 및 상기 구상화 분말을 플라즈마 용사법을 이용하여 모재에 코팅하는 단계;를 포함하여 이루어지는 것을 특징으로 한다.
연료전지, 접속자, 플라즈마 용사, 접촉저항, 구상화 분말, 코팅-
公开(公告)号：KR100461304B1
公开(公告)日：2004-12-14
申请号：KR1020020035005
申请日：2002-06-21
IPC: C22C38/12
Abstract: PURPOSE: A wear resistant sintered alloy for valve seat is provided which improves wear resistance by containing iron as a principal constituent, carbon, chromium, molybdenum, vanadium, tungsten, cobalt, silicon and manganese and simultaneously performing copper infiltration and sintering treatment, and a manufacturing method thereof is provided. CONSTITUTION: The method comprises first process of press molding the blended alloy to a surface pressure of 5 to 8 tons/cm¬2 by blending a principal constituent of iron, 0.8 to 1.2 wt.% of carbon, 2.0 to 5.0 wt.% of chromium, 5.0 to 7.0 wt.% of molybdenum, 3.0 to 5.0 wt.% of vanadium, 8.0 to 12.0 wt.% of tungsten, 0.2 to 0.5 wt.% of manganese and 4.0 to 6.0 wt.% of cobalt; second process of air cooling the pure copper infiltrated and sintered alloy after infiltrating 20 to 30 wt.% of pure copper for the weight of the valve seat into the press molded alloy and sintering the pure copper infiltrated alloy at the same time at a temperature of 1,140 to 1,180 deg.C after finishing the first process; third process of rapidly cooling the heat treated alloy after heat treating the copper infiltrated and sintered alloy to a temperature of 1,130 to 1,180 deg.C after finishing the second process; fourth process of annealing the rapidly cooled alloy to a temperature of 600 to 700 deg.C after finishing the third process; and a process of proceeding some processing works on the annealed alloy at an ordinary temperature after finishing the fourth process.
Abstract translation: 目的：提供一种用于阀座的耐磨烧结合金，其通过含有铁作为主要成分，提高耐磨性，碳，铬，钼，钒，钨，钴，硅和锰同时进行铜渗透和烧结处理， 提供了其制造方法。 本发明的方法包括：首先通过混合铁的主要成分，0.8-1.2重量％的碳，2.0-5.0重量％的氧化铝，将混合合金压制成5-8吨/ cm 2的表面压力， 的铬，5.0-7.0重量％的钼，3.0-5.0重量％的钒，8.0-12.0重量％的钨，0.2-0.5重量％的锰和4.0-6.0重量％的钴; 第二步，在将阀座重量的20至30重量％的纯铜浸入压制成型的合金中并同时烧结纯铜浸渍和烧结合金的同时在温度为 完成第一道工序后，为1,140至1,180摄氏度; 第三步骤，在完成第二步骤之后，将渗入铜的烧结合金热处理至1130至1180℃的温度之后，迅速冷却热处理后的合金; 第四步骤，在完成第三步骤之后，将快速冷却的合金退火至600-700℃的温度; 以及在完成第四过程之后在常温下对退火合金进行一些处理工艺的过程。
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公开(公告)号：KR1020040001721A
公开(公告)日：2004-01-07
申请号：KR1020020037034
申请日：2002-06-28
IPC: C22C38/12
Abstract: PURPOSE: A wear resistant sintered alloy for valve seat is provided which improves wear resistance compared to existing sintered alloy for valve seat by performing heat treatment after changing composition for the alloy and infiltrating copper into the alloy simultaneously, and a manufacturing method thereof is provided. CONSTITUTION: The method comprises first step of press molding the blended material to a surface pressure of 5 to 8 ton/cm¬2 by blending a principal constituent of iron, 1.1 to 1.6 wt.% of carbon, 3.0 to 5.0 wt.% of chromium, 2.0 to 4.0 wt.% of molybdenum, 3.0 to 5.0 wt.% of vanadium, 6.5 to 9.5 wt.% of tungsten, 2.0 to 3.5 wt.% of cobalt, 0.2 to 0.6 wt.% of silicon, 0.1 to 1.0 wt.% of boron nitride, 0.2 to 0.4 wt.% of sulfur and 0.2 to 0.5 wt.% of manganese; second step of air cooling the sintered material after sintering the press molded material to a temperature of 1,150 to 1,200 deg.C after finishing the first step; third step of infiltrating 12 to 18 wt.% of pure copper into the air cooled material at a temperature of 1,080 to 1,100 deg.C after finishing the second step; fourth step of oil cooling the pure copper infiltrated material after maintaining the pure copper infiltrated material at a temperature of 850 to 880 deg.C for 30 to 50 min after finishing the third step; and fifth step of tempering the oil cooled material to a temperature of 600 to 650 deg.C after finishing the fourth step.
Abstract translation: 目的：提供一种用于阀座的耐磨烧结合金，与现有的阀座烧结合金相比，通过在将合金和渗入铜的组合物同时改变成合金之后进行热处理而提高耐磨性，并提供其制造方法。 构成：该方法包括通过将铁的主要成分，1.1〜1.6重量％的碳，3.0〜5.0重量％的碳，3.0〜5.0重量％的碳，通过将共混材料压制成表面压力为5〜8吨/ 铬，2.0〜4.0重量％的钼，3.0〜5.0重量％的钒，6.5〜9.5重量％的钨，2.0〜3.5重量％的钴，0.2〜0.6重量％的硅，0.1〜1.0 氮化硼的重量百分比，0.2-0.4重量％的硫和0.2-0.5重量％的锰; 在完成第一步骤之后，将压制成型材料烧结后的烧结材料的空气冷却的第二步骤为1150〜1200℃的温度; 在完成第二步之后，在1080〜1100℃的温度下将12〜18重量％的纯铜浸入空气冷却材料中; 在完成第三步之后将纯铜渗透材料在850〜880℃的温度保持30〜50分钟后，冷却纯铜浸渗材料的第四步骤; 以及在完成第四步之后将油冷却材料回火至温度为600至650℃的第五步骤。
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公开(公告)号：KR1020030087098A
公开(公告)日：2003-11-13
申请号：KR1020020024657
申请日：2002-05-06
Applicant: 현대자동차주식회사
Inventor： 임종대
IPC: B22F3/11
Abstract: PURPOSE: A composition for porous insert containing low alloy iron powder having low hardness and high alloy iron powder having high hardness to obtain high interface reliability with piston matrix, thermal conductivity and thermal expansion coefficient, and a manufacturing method of porous sintered insert using the same are provided. CONSTITUTION: The composition for porous sintered insert for piston is characterized in that low alloy iron powder is mixed with high alloy iron powder in a mixing ratio of 1:1, wherein the low alloy iron powder comprises 0.2 to 0.8 wt.% of carbon, 1.0 to 5.0 wt.% of copper and a balance of iron, and the high alloy iron powder comprises 1.0 to 1.3 wt.% of carbon, 3.5 to 4.2 wt.% of chromium, 9.0 to 10.0 wt.% of molybdenum, 1.0 to 1.4 wt.% of vanadium, 1.2 to 1.8 wt.% of tungsten, 7.8 to 8.5 wt.% of cobalt, 0.5 wt.% or less of silicon and a balance of iron. The manufacturing method of porous sintered insert for piston comprises the processes of pressing the alloy composition to a pressure of 5 to 7 kgf/cm¬2 so that the alloy composition is molded into a ring shaped body having a density of 5.5 to 6.5 g/cm¬3 after putting an alloy composition into a metal mold, wherein the alloy composition is manufactured by mixing low alloy iron powder comprising 0.2 to 0.8 wt.% of carbon, 1.0 to 5.0 wt.% of copper and a balance of iron with high alloy iron powder comprising 1.0 to 1.3 wt.% of carbon, 3.5 to 4.2 wt.% of chromium, 9.0 to 10.0 wt.% of molybdenum, 1.0 to 1.4 wt.% of vanadium, 1.2 to 1.8 wt.% of tungsten, 7.8 to 8.5 wt.% of cobalt, 0.5 wt.% or less of silicon and a balance of iron in a mixing ratio of 1:1; and sintering the ring shaped molded body at a sintering temperature of 1,050 to 1,250 deg.C for 30 to 60 min in sintering furnace of a reduction atmosphere to manufacture a porous sintered insert having a porosity of 30 to 50 vol.%.
Abstract translation: 目的：一种用于具有低硬度的低合金铁粉和具有高硬度的高合金铁粉的多孔插入物组合物，以获得具有活塞基体的高界面可靠性，导热性和热膨胀系数，以及使用其的多孔烧结嵌片的制造方法 被提供。 构成：用于活塞的多孔烧结镶片的组合物的特征在于，低合金铁粉与高合金铁粉以1:1的混合比混合，其中低合金铁粉包含0.2-0.8重量％的碳， 1.0-5.0重量％的铜和余量的铁，高合金铁粉包含1.0-1.3重量％的碳，3.5-4.2重量％的铬，9.0-10.0重量％的钼，1.0〜 钒的1.4重量％，钨的1.2〜1.8重量％，钴的7.8〜8.5重量％，硅的0.5重量％以下，余量的铁。 用于活塞的多孔烧结刀片的制造方法包括将合金组合物压制至5至7kgf / cm 2的压力的方法，使得合金组合物模制成密度为5.5至6.5g / cm 2的环形体， 将合金组合物投入到金属模具中，其中通过混合包含0.2至0.8重量％的碳，1.0至5.0重量％的铜和余量为高的铁的低合金铁粉制备合金组合物 包含1.0-1.3重量％的碳，3.5-4.2重量％的铬，9.0-10.0重量％的钼，1.0-1.4重量％的钒，1.2-1.8重量％的钨，7.8 至8.5重量％的钴，0.5重量％或更少的硅和余量的铁，其混合比为1:1; 并在还原气氛的烧结炉中在1050〜1250℃的烧结温度下烧结环状成型体30〜60分钟，制造孔隙率为30〜50体积％的多孔烧结体。
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