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    • 1. 发明授权
    • 용융금속 도금설비용 저널베어링 제조방법
    • 용융금속도설비용저널베어링제조방법
    • KR100457238B1
    • 2004-11-16
    • KR1020000080559
    • 2000-12-22
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 송진화이운섭조원국이상용이영기황성주
    • F16C33/14
    • PURPOSE: A method for manufacturing journal bearing is provided to lengthen lifespan of sleeve and bush by increasing abrasion resistance of sleeve and bush and minimizing wear of the corresponding members. CONSTITUTION: A method for manufacturing a journal bearing including a bearing liner(6) and a bush(7) and which is used as a bearing driving component of a sink roll or a stabilizing roll in a plating system using molten metal, is characterized in that a cobalt alloy having a volume ratio of carbide 5 to 15 percent is used as a material for the bearing liner, and a cobalt alloy having a volume ratio of Laves phase 40 to 60 percent is used a material for the bush. The bush is assembled to a bush frame(8) through a shrink-on method. The volume ratio of the carbide in the cobalt alloy for the bearing liner is limited to 5 to 15 percent so as to protect the surface of the bush from being damaged by the carbide particle during friction between the carbide and the bush. The volume ratio of Laves phase is limited to 40 to 60 percent so as to ensure a sufficient abrasion resistance of the bush.
    • 目的:提供一种制造轴颈轴承的方法,以通过增加套筒和衬套的耐磨性和减小相应构件的磨损来延长套筒和衬套的寿命。 一种用于制造包括轴承衬套(6)和衬套(7)的轴颈轴承的方法,该方法用作使用熔融金属的镀敷系统中的沉降辊或稳定辊的轴承驱动部件,其特征在于, 使用碳化物体积比为5-15%的钴合金作为轴瓦的材料,使用Laves相的体积比为40-60%的钴合金作为轴瓦的材料。 通过收缩式方法将衬套组装到衬套框架(8)上。 钴合金中用于轴承衬套的碳化物的体积比限制在5%至15%,以便在碳化物和衬套之间的摩擦过程中保护衬套表面免受碳化物颗粒的损害。 Laves相的体积比限制在40%至60%,以确保衬套具有足够的耐磨性。
    • 2. 发明公开
    • 용융금속 도금설비용 저널베어링 제조방법
    • 使用金属制造用于镀层系统的轴承的方法
    • KR1020020051484A
    • 2002-06-29
    • KR1020000080559
    • 2000-12-22
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 송진화이운섭조원국이상용이영기황성주
    • F16C33/14
    • F16C33/14F16C2204/00F16C2226/14
    • PURPOSE: A method for manufacturing journal bearing is provided to lengthen lifespan of sleeve and bush by increasing abrasion resistance of sleeve and bush and minimizing wear of the corresponding members. CONSTITUTION: A method for manufacturing a journal bearing including a bearing liner(6) and a bush(7) and which is used as a bearing driving component of a sink roll or a stabilizing roll in a plating system using molten metal, is characterized in that a cobalt alloy having a volume ratio of carbide 5 to 15 percent is used as a material for the bearing liner, and a cobalt alloy having a volume ratio of Laves phase 40 to 60 percent is used a material for the bush. The bush is assembled to a bush frame(8) through a shrink-on method. The volume ratio of the carbide in the cobalt alloy for the bearing liner is limited to 5 to 15 percent so as to protect the surface of the bush from being damaged by the carbide particle during friction between the carbide and the bush. The volume ratio of Laves phase is limited to 40 to 60 percent so as to ensure a sufficient abrasion resistance of the bush.
    • 目的:提供一种制造轴颈轴承的方法,通过增加套筒和衬套的耐磨性和最小化相应构件的磨损来延长套筒和衬套的使用寿命。 构成:用于制造包括轴承衬套(6)和衬套(7)的轴颈轴承的方法,其用作使用熔融金属的电镀系统中的沉没辊或稳定辊的轴承驱动部件,其特征在于 使用具有碳化物5〜15%的体积比的钴合金作为轴承衬套的材料,并且使用具有Laves相40〜60%的体积比的钴合金作为衬套的材料。 通过收缩方式将衬套组装到衬套框架(8)上。 用于轴承衬套的钴合金中的碳化物的体积比限制在5%至15%,以便在碳化物和衬套之间的摩擦期间保护衬套的表面免受碳化物颗粒的损伤。 Laves相的体积比限制在40〜60%,以确保衬套的足够的耐磨性。
    • 4. 发明授权
    • 전도성과내부식성이우수한전기도금용전극롤및그제조방법
    • 导电性和耐腐蚀性优良的电镀用电极卷及其制造方法
    • KR100350068B1
    • 2002-12-11
    • KR1019970071574
    • 1997-12-20
    • 주식회사 포스코재단법인 포항산업과학연구원
    • 송진화조원국이상용이규창
    • C25D5/00
    • PURPOSE: A conductor roll for electro galvanizing line having superior conductivity and corrosion resistance is provided to minimize required cost of the outer band to be exchanged and use the inner band and elastic polymer semi-permanently by coating an elastic polymer on the main body at both sides of inner and outer bands, and a manufacturing method thereof is provided. CONSTITUTION: The conductor roll for electro galvanizing line having superior conductivity and corrosion resistance is characterized in that an inner band(5) formed of an inexpensive ordinary steel product or stainless steel having superior conductivity and an outer band(6) formed of a material selected from Ni group alloy, Co group alloy and stainless steel having superior corrosion resistance are bonded to the central part of main body(1) in turn, and an elastic polymer(3) is fixed to both end parts of the main body(1) so that the elastic polymer(3) is closely adhered to both sides of the inner and outer bands(5,6). The manufacturing method thereof comprises the processes of fixing the inner band(5) to the main body(1) by heat shrink fitting the inner band(5) on the central part of the main body(1); fixing the outer band(6) to the inner band(5) by heat shrink fitting the outer band(6) having a higher thermal expansion coefficient than the inner band(5) on the outer circumference of the inner band(5); and coating the elastic polymer(3) on both end parts of the main body(1) so that the elastic polymer(3) is closely adhered to both sides of the inner and outer bands(5,6).
    • 7. 实用新型
    • 라쳇트 기어식 전극휠 구동장치
    • 棘轮型位电极轮驱动
    • KR200260915Y1
    • 2002-03-09
    • KR2019970038897
    • 1997-12-19
    • 주식회사 포스코
    • 정창교박상욱조원국
    • B23K11/06
    • 본고안은라쳇트가기어에내설되는전극휠구동장치에관한것으로그 기술적인구성은, 하부전극휠(13)의일측으로설치되는제2 기어(16b)의내측에라쳇트(1)를삽입하여제2 기어(16b)와라쳇트(1)를키이(2)로고정하여결합하게되어상기제2 기어(16b)를라쳇트(1)기어로서작용토록설치되며, 상기라쳇트(1)는그 내륜에제3 기어(16c)의축 일단부가내삽되어키이(2)로서결합고정토록되고, 라쳇트(1)가내설된내륜(4)의일측에는스프링(5)에탄지된스토퍼(6)가설치되어그 외측에외륜(7)이설치토록되며, 상기외륜(7)의일측단부에는커버(3)로서상기라쳇트(1)를고정하여잠금너트(8)로서록킹토록되는것을요지로한다. 이에따라서, 전기저항에의한발열로강판을용해하고융착하는전기저항용접기의용접과정중 발생되는전극휠의구동불량에의한용접불량을미연에예방할수있는것이다.
    • 棘轮位内部纸被插入其上安装的技术配置涉及naeseol齿轮是电极轮驱动系统中,下电极轮13 uiil权利要求侧的第二齿轮(16b)的内侧的棘轮位(1) 第二齿轮(16B)它是不断设置来切特(1)中,指定被耦合在第二齿轮的动作的键(2)的标志(图16B),为棘轮根(1)齿轮,所述的棘轮位(1)neungeu内圈 第三齿轮(16C)uichuk是有史以来固定作为密钥的内键的一端(2),所述棘轮位(1)家庭设置的内环(4)uiil值弹簧5乙烷如果外的止动件6假说侧 所述外环(7)是有史以来搬迁值,并且在所述外环(7),该基部侧端部,并从那时uiil锁定锁定螺母(8),以确保棘轮位(1)当盖(3)。 据此,即可以是事先防止焊接缺陷由于不良的驾驶,将其溶解在钢板通过在焊接过程中产生的热的电极轮,并且所述电阻焊接机,用于通过电电阻焊接。
    • 8. 发明公开
    • 극저온인성이 우수한 항복강도 63kgf/㎟급 후강판의제조방법
    • 钢板制造方法(强度:63KGF / MM2)超高温超低温超低温
    • KR1020010062884A
    • 2001-07-09
    • KR1019990059380
    • 1999-12-20
    • 주식회사 포스코
    • 조원국이형표
    • C21D8/02
    • PURPOSE: Provided is a method for manufacturing steel plates (yield strength: 63kgf/mm2) having superior toughness even at -196deg.C for the application to LNG container where C and P content in steel is lowered and specific heat treatment is carried out after hot rolling. CONSTITUTION: The manufacturing method of the steel plates comprises the processes of degassing molten steel comprising C 0.04-0.09wt.%, Si 0.30wt.% or less, Mn 0.55-0.85wt.%, P 0.006wt.% or less, S 0.003wt.% or less, Ni 8.5-9.5wt.%, a balance of Fe, and other inevitable impurities for 20min. or more in a vacuum degassing facility; continuous casting the molten steel in order to prepare slab; heating to the temperature range of 1150 to 1220deg.C; finish hot rolling in the temperature range of 800 to 1050deg.C and then air-cooling; performing a first heat treatment where the steel plate is water cooled after heating it in the temperature range of 800 to 840deg.C; performing a second heat treatment where the steel plate is water cooled after heating it in the temperature range of 680 to 700deg.C; a third heat treatment where the steel plate is air-cooled after heated to the temperature range of 570 to 590deg.C.
    • 目的:提供一种钢板的制造方法(屈服强度:63kgf / mm2),即使在-196℃时也具有优异的韧性,适用于钢材中C和P含量降低并进行比热处理的LNG容器 热轧。 构成:钢板的制造方法包括将C 0.04-0.09重量%,Si 0.30重量%以下,Mn 0.55〜0.85重量%,P 0.006重量%以下,S 0.003重量%以下,Ni 8.5-9.5重量%,余量为Fe等不可避免的杂质20分钟。 或更多在真空脱气设备中; 连续浇铸钢水以制备板坯; 加热至1150〜1220℃的温度范围; 在800〜1050℃的温度范围内进行热轧,然后冷却; 进行第一次热处理,钢板在800〜840℃的温度范围内加热后进行水冷; 进行第二次热处理,钢板在680〜700℃的温度范围内加热后进行水冷; 第三次热处理,其中钢板在加热至570〜590℃的温度范围后进行空气冷却。
    • 9. 实用新型
    • 라쳇트 기어식 전극휠 구동장치
    • 棘轮齿轮式电极轮驱动装置
    • KR2019990026360U
    • 1999-07-15
    • KR2019970038897
    • 1997-12-19
    • 주식회사 포스코
    • 정창교박상욱조원국
    • B23K11/06
    • 본 고안은 라쳇트가 기어에 내설되는 전극휠 구동장치에 관한 것으로 그 기술적인 구성은, 하부전극휠(13)의 일측으로 설치되는 제2 기어(16b)의 내측에 라쳇트(1)를 삽입하여 제2 기어(16b)와 라쳇트(1)를 키이(2)로 고정하여 결합하게 되어 상기 제2 기어(16b)를 라쳇트(1)기어로서 작용토록 설치되며, 상기 라쳇트(1)는 그 내륜에 제3 기어(16c)의 축 일단부가 내삽되어 키이(2)로서 결합 고정토록 되고, 라쳇트(1)가 내설된 내륜(4)의 일측에는 스프링(5)에 탄지된 스토퍼(6)가 설치되어 그 외측에 외륜(7)이 설치토록 되며, 상기 외륜(7)의 일측 단부에는 커버(3)로서 상기 라쳇트(1)를 고정하여 잠금너트(8)로서 록킹토록 되는 것을 요지로 한다.
      이에따라서, 전기저항에 의한 발열로 강판을 용해하고 융착하는 전기저항 용접기의 용접과정 중 발생되는 전극휠의 구동불량에 의한 용접불량을 미연에 예방할수 있는 것이다.
    • 10. 发明公开
    • 연속주조에 의한 인장강도 40kgf/mm2급 극후강판의 제조방법
    • 生产40kgf / mm 2钢板的连续铸造法得到的拉伸强度
    • KR1019980045317A
    • 1998-09-15
    • KR1019960063499
    • 1996-12-10
    • 주식회사 포스코
    • 조원국소문섭
    • C21D8/02
    • 본 발명은 기계산업 분야에 널리 사용되는 일반구조용 극후판 강판의 제조방법에 관한 것이며, 그 목적은 연속주조에 의해 생산 하면서도 강재의 내부품질 및 가공성이 우수한 인장강도 40kgf/mm
      2 급 극후강판의 제조방법을 제공함에 있다.
      본 발명은 상기 목적을 달성하기 위하여 극후강판의 제조방법에 있어서, 중량%로, C:0.11-0.20%, Si:0.40%이하, Mn:0.70%-1.10%, P:0.020%이하, S:0.003%이하, 잔부 Fe 및 기타 불가피한 불순물로 이루어진 용강에 Ca-Si을 0,8~1kg/ton을 투입하여 MnS개재물을 구상화처리하고, 구상화 처리된 용강을 진공설비에서 20~30분동안 환류하여 탈수소처리한 다음, 연속주조하여 슬라브를 제조한후 상기 슬라브를 다단적치하여 상온까지 공냉한 다음, 1150~1280℃의 온도로 가열하고 1회 압하율이 16~30%의 압하를 적어도 1회이상 하는 조건으로 열간압연하고, 이후 11~20℃/hr의 속도로 냉각하는 연속주조에 의해 인장강도 40kgf/mm
      2 급 극후강판의 제조방법에 관한 것을 그 기술적 요지로 한다.