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公开(公告)号：KR101438602B1
公开(公告)日：2014-09-05
申请号：KR1020120033989
申请日：2012-04-02
CPC classification number: F01L3/02 , B22F3/16 , B22F5/00 , B22F5/008 , B22F2003/248 , C22C33/0221 , C22C33/0285
Abstract: 본 발명은 밸브시트용 소결합금 및 이를 이용한 밸브시트 제조방법에 관한 것으로, 중량 퍼센트(%)로, 탄소(C): 0.8~1.2, 니켈(Ni): 2.0~4.5, 크롬(Cr): 3.0~5.0, 몰리브덴(Mo): 16.0~20.0, 코발트(Co): 9.0~13.0, 바나듐(V): 0.05~0.15, 황(S): 0.2~0.8, 기타 Fe 및 불가피한 불순물로 이루어지는 밸브시트용 합금분말에 MnS를 더 포함하는 원료를 혼합하는 단계; 상기 혼합된 원료를 성형하여 1차 형상을 구현하는 단계; 성형된 상기 1차 형상을 예비소결하는 단계; 예비소결된 상기 1차 형상을 재가압하여 2차 형상을 구현하는 단계; 상기 2차 형상을 본소결하는 단계; 및 상기 본소결된 2차 형상에 대하여 템퍼링을 실시하는 단계; 를 포함하는 밸브시트 제조방법을 제공한다.
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公开(公告)号：KR1020130064302A
公开(公告)日：2013-06-18
申请号：KR1020110130846
申请日：2011-12-08
CPC classification number: B21H5/022 , B22F5/08 , B22F2998/10 , B22F2999/00 , C22C33/0264 , C22C38/12 , C23C8/02 , C23C8/22 , C23C24/085 , F16H55/18 , Y10T74/19916 , B22F3/02 , B22F3/10 , B22F3/18 , B22F2003/248 , B22F2201/30
Abstract: PURPOSE: A scissors gear structure and a manufacturing method thereof are provided to bring the flat supporting surface of a supporting protrusion into contact with the flat end surface of a scissor spring, thereby securing intensity and abrasion resistance. CONSTITUTION: A main gear(1) and a sub gear(3) have a concentric axis. The main gear and the sub gear is installed to rotate in the opposite direction. A scissors spring provides elasticity which allows the main gear and the sub gear to rotate reciprocally. An integrated supporting protrusion(7) is protruded from each surface where the main gear and the sub gear face each other. The supporting protrusion supports both ends of the scissors spring.
Abstract translation: 目的：提供一种剪刀齿轮结构及其制造方法，使支撑突起的平坦支撑面与剪刀弹簧的平坦端面接触，从而确保强度和耐磨性。 构成：主齿轮（1）和副齿轮（3）具有同心轴。 主齿轮和副齿轮安装成沿相反方向旋转。 剪刀弹簧提供弹性，允许主齿轮和副齿轮往复旋转。 一体支撑突起（7）从主齿轮和副齿轮彼此面对的每个表面突出。 支撑突起支撑剪刀弹簧的两端。
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公开(公告)号：KR101360422B1
公开(公告)日：2014-02-11
申请号：KR1020110130846
申请日：2011-12-08
CPC classification number: B21H5/022 , B22F5/08 , B22F2998/10 , B22F2999/00 , C22C33/0264 , C22C38/12 , C23C8/02 , C23C8/22 , C23C24/085 , F16H55/18 , Y10T74/19916 , B22F3/02 , B22F3/10 , B22F3/18 , B22F2003/248 , B22F2201/30
Abstract: 본 발명은 고가의 시저스핀을 별도로 제작하여 압입하지 않도록 하고, 시저스스프링의 양단부에 걸림홈을 형성하기 위한 정밀 와이어 컷팅 등의 고가의 가공방법을 사용하지 않고도 백래쉬 제거 및 소음 진동의 발생 방지 기능 등 시저스기어 본연의 기능을 원활하게 발휘할 수 있음은 물론, 그 강도 및 내마모성 등 기계적 특성도 향상되도록 한다.
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公开(公告)号：KR1020130111805A
公开(公告)日：2013-10-11
申请号：KR1020120033989
申请日：2012-04-02
CPC classification number: F01L3/02 , B22F3/16 , B22F5/00 , B22F5/008 , B22F2003/248 , C22C33/0221 , C22C33/0285
Abstract: PURPOSE: A sintered alloy for a valve sheet and a valve sheet manufacturing method using the same are provided to increase the solid lubricous properties and to improve the illumination and a surface condition of the valve sheet. CONSTITUTION: A sintered alloy for a valve sheet includes 0.8-1.2 wt% of C, 2.0-4.5 wt% of Ni, 3.0-5.0 wt% of Cr, 16.0-20.0 wt% of Mo, 9.0-13.0 wt% of Co, 0.05-0.15 wt% of V, 0.2-0.8 wt% of S, Fe and unavoidable impurities, and MnS. The total weight of the sintered alloy includes 0.5-2.5 wt% of MnS. The size of the MnS is 12 um or less. The MnS includes 60-65 wt% of M and 35-40 wt% of S.
Abstract translation: 目的：提供一种用于阀片的烧结合金和使用其的阀片制造方法，以增加固体润滑性能并改善阀片的照明和表面状态。 构成：用于阀片的烧结合金包括C：0.8-1.2重量％，Ni：2.0-4.5重量％，Cr：3.0-5.0重量％，Mo：0.010.0重量％，Co：9.0-13.0重量％ V：0.05〜0.15wt％，S：Fe，不可避免的杂质：0.2〜0.8wt％，MnS： 烧结合金的总重量为MnS的0.5〜2.5重量％。 MnS的尺寸为12μm以下。 MnS包括60-65wt％的M和35-40wt％的S.
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公开(公告)号：KR1020130030505A
公开(公告)日：2013-03-27
申请号：KR1020110094014
申请日：2011-09-19
Applicant: 현대자동차주식회사 , 기아자동차주식회사 , 대한소결금속 주식회사
CPC classification number: B22F1/00 , B22F3/12 , B22F5/008 , B22F5/106 , C22C19/07 , C22C27/04 , C22C27/06 , C22C33/0285 , C22C38/002 , C22C38/04 , C22C38/44 , C22C38/52 , F01L3/02
Abstract: PURPOSE: An engine valve seat and a manufacturing method thereof are provided to include excellent abrasion resistance and to improve the abrasion resistance by including a matrix of iron powder in which chrome, molybdenum and so on are alloyed. CONSTITUTION: An engine valve seat comprises iron which is main component, 0.6-1.2 wt% of carbon, 1.0-3.0 wt% of nickel, 8.0-11.0 wt% of cobalt, 3.0-6.0 wt% of chrome, 4.0-7.0 wt% of molybdenum, 0.5-2.5 wt% of tungsten, 1.0-3.0 wt% of manganese, 0.2-1.0 wt% of calcium and other impurities.
Abstract translation: 目的：提供一种发动机阀座及其制造方法，其包括优异的耐磨性，并且通过包括其中铬，钼等合金化的铁粉基质来提高耐磨性。 构成：发动机阀座包括主要成分为铁，碳0.6-1.2重量％，镍1.0-3.0重量％，钴8.0-11.0重量％，铬3.0-7.0重量％，铬4.0-7.0重量％ 的钼，0.5-2.5重量％的钨，1.0-3.0重量％的锰，0.2-1.0重量％的钙和其它杂质。
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Patent Agency Ranking
公开(公告)号：KR1020120007235A
公开(公告)日：2012-01-20
申请号：KR1020100067884
申请日：2010-07-14
Abstract: PURPOSE: A manufacturing method of a sintered annulus gear for a transmission is provided to reduce manufacturing costs by minimizing a post process compared to forging and machining processes. CONSTITUTION: A manufacturing method of a sintered annulus gear for a transmission is as follows. Alloy powder is mixed with carbon 0.2-0.3 weight%. The mixed powder is molded by applying pressure to the mixed powder. The molded body is sintered at a temperature of 1200-1300 degrees. The outer side of the sintered body(1) is fixed, and one or more rolling dies(3) having helical gears are installed inside the sintered body to form toothed forms. After the toothed forms are formed, the sintered body is rolled. The rolled body is heat-treated.
Abstract translation: 目的：提供一种用于变速器的烧结环形齿轮的制造方法，以便与锻造和机械加工相比，通过最小化后期加工来降低制造成本。 构成：用于变速器的烧结环形齿轮的制造方法如下。 合金粉与0.2-0.3重量％的碳混合。 通过向混合粉末施加压力来模制混合粉末。 成型体在1200-1300度的温度下烧结。 烧结体（1）的外侧是固定的，并且在烧结体的内侧安装有一个或多个具有螺旋齿轮的轧制模具（3）以形成齿形。 在形成齿形之后，将烧结体卷起。 轧制体进行热处理。
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公开(公告)号：KR101316474B1
公开(公告)日：2013-10-08
申请号：KR1020110094014
申请日：2011-09-19
Applicant: 현대자동차주식회사 , 기아자동차주식회사 , 대한소결금속 주식회사
CPC classification number: B22F1/00 , B22F3/12 , B22F5/008 , B22F5/106 , C22C19/07 , C22C27/04 , C22C27/06 , C22C33/0285 , C22C38/002 , C22C38/04 , C22C38/44 , C22C38/52 , F01L3/02
Abstract: 철(Fe)을 주성분으로 하고, 탄소(C) : 0.6~1.2wt%, 니켈(Ni) : 1.0~3.0wt%, 코발트(Co) : 8.0~11.0wt%, 크롬(Cr) : 3.0~6.0wt%, 몰리브덴(Mo) : 4.0~7.0wt%, 텡스텐(W) : 0.5~2.5wt%, 망간(Mn) : 1.0~3.0wt%, 칼슘(Ca) : 0.2~1.0wt% 및 기타 불가결한 불순물을 포함하는 성분으로 조성된 엔진밸브시트 및 그 제조방법이 소개된다.
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公开(公告)号：KR1020130031454A
公开(公告)日：2013-03-29
申请号：KR1020110095032
申请日：2011-09-21
CPC classification number: B22F5/08 , B22F3/24 , B22F2998/10 , B22F2999/00 , C22C33/0264 , F16D23/06 , F16D2023/0631 , F16D2200/0021 , F16D2200/0086 , B22F1/0003 , B22F3/1007 , B22F2003/248 , B22F2201/013
Abstract: PURPOSE: A synchronizer sleeve and a manufacturing method thereof are provided to maintain a density of 7.3g/cc or greater by molding, sintering, and thermally treating nickel, molybdenum, and iron powder. CONSTITUTION: A mixed powder containing Fe as a main composition, 0.2-0.3wt% of carbon, 0.5-4.0wt% of nickel, 0.2-2.0wt% of molybdenum, and other inevitable impurities is molded by a powder metallurgy method in order to make a synchronizer sleeve(100). The density of the synchronizer sleeve is 7.3g/cc or greater. Splines(120,140) are formed along the exterior or interior of the synchronizer sleeve. A chamfer is formed on the top or the bottom of the splines, and is molded with a base material by the powder metallurgy method.
Abstract translation: 目的：提供同步器套筒及其制造方法，通过模制，烧结和热处理镍，钼和铁粉来保持7.3g / cc或更高的密度。 构成：通过粉末冶金法将以Fe为主要组成的混合粉末，0.2-0.3重量％的碳，0.5-4.0重量％的镍，0.2-2.0重量％的钼和其他不可避免的杂质模制成 制作同步器套筒（100）。 同步器套筒的密度为7.3g / cc或更大。 花键（120,140）沿着同步器套筒的外部或内部形成。 在花键的顶部或底部形成倒角，并通过粉末冶金法用基材模制。
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