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    • 2. 发明授权
    • 커버체 투입장치
    • 用于向线棒线圈提供盖子的装置
    • KR101220780B1
    • 2013-01-09
    • KR1020090061791
    • 2009-07-07
    • 주식회사 포스코
    • 김정은손진용
    • B65B11/06B65B41/04B65B33/04
    • 선재코일과 같은 적치 소재의 제품 결함 발생을 방지토록 제공되는 커버체 투입장치가 제공된다.
      상기 커버체 투입장치는 그 구성의 일예로서, 소재와 준비된 커버체사이에 이동 가능하게 제공된 이동 바디;와, 상기 이동 바디에 승강 가능하게 제공된 승강 바디; 및, 상기 승강 바디에 상기 커버체를 클램핑하도록 제공된 커버체 클램핑유닛을 포함하여 소재에 커버체를 투입 덮도록 구성될 수 있다.
      이와 같은 본 발명에 의하면, 적치되는 소재인 선재코일 진입 위치에 배치된 복포천 등의 커버체를 작업자의 수작업 없이 자동으로 선재코일에 투입 덮도록 함으로써, 수작업에 의한 작업자 안전사고를 예방하고, 항상 일정한 형태로 커버체가 처리되어 선재 제품의 적치를 용이하게 하고 그 작업성도 향상시키는 개선된 효과를 얻을 수 있다.
      소재 커버링, 선재 커버체 투입, 복포천, 소재(선재) 적치
    • 3. 发明授权
    • 비스무스(Bi)-황(S)계 쾌삭강 빌렛의 제조방법
    • Bi-S型自由切削钢坯料生产方法
    • KR100920621B1
    • 2009-10-08
    • KR1020020083637
    • 2002-12-24
    • 주식회사 포스코
    • 손진용
    • B21B3/02
    • 본 발명은 카메라, 시계등의 정밀기기부품 또는 모터 샤프트(Motor Shaft)등에 사용되는 비스무스(Bi)-황(S)계 쾌삭강 빌렛을 제조하는 방법에 관한 것이다.
      본 발명에 의하면, 쾌삭강 브룸(Bloom)을 가열로에서 1230 ∼ 1270℃로 가열하고 조압연기에서 조압연한 다음, 사상압연기에서 사상압연하여 비스무스(Bi) -황(S)계 쾌삭강 빌렛을 제조하는 방법에 있어서,
      상기 조압연시 상기 조압연기의 압연롤 표면의 냉각을 위한 냉각수량을 0.4∼0.6kg/cm
      2 로 하고, 압연 패스당 감면율을 5∼8%로 설정하고, 그리고 조압연후 사상압연전에 조압연재의 선단부를 최대 200mm까지 절단한 후, 사상압연하는 것을 특징으로 하는 비스무스(Bi) -황(S)계 쾌삭강 빌렛의 제조방법이 제공된다.
      본 발명은 조압연조건을 적절히 제어하므로써 선단부 벌어짐이 없고 열간 가공성이 우수한 비스무스(Bi) -황(S)계 쾌삭강용 빌렛을 제조할 수 있는 효과가 있는 것이다.
      쾌삭강, 빌렛, 조압연, 비스무스, 황
    • 5. 发明公开
    • 비스무스(Bi)-황(S)계 쾌삭강 빌렛의 제조방법
    • 制造Bi-S基自由切割钢的方法
    • KR1020040057180A
    • 2004-07-02
    • KR1020020083637
    • 2002-12-24
    • 주식회사 포스코
    • 손진용
    • B21B3/02
    • PURPOSE: A method for manufacturing a billet of Bi-S based free-cutting steel a top end part of which is not opened, and which has superior hot forming property by properly controlling rough rolling conditions is provided. CONSTITUTION: In a method for manufacturing a billet of Bi-S based free-cutting steel comprising a step of heating a free-cutting steel bloom containing 0.15 wt.% or less of carbon (C), 0.02 wt.% or less of silicon (Si), 1.00 to 1.40 wt.% of manganese (Mn), 0.07 to 0.09 wt.% of phosphorus (P), 0.24 to 0.35 wt.% of sulfur (S), 0.005 wt.% or less of aluminum (Al), 0.05 to 0.15 wt.% of bismuth (Bi) and a balance of Fe and inevitable impurities to a temperature of 1,250±20 deg.C in a reheating furnace(1); a step of rough rolling the heated free-cutting steel bloom in a roughing mill(2); and a step of finish rolling the rough rolled free-cutting steel bloom in finishing mills(4,6,7,9), the method comprises a step of performing rough rolling by controlling quantity of cooling water for cooling the surface of rolling rolls of the roughing mill to 0.4 to 0.6 kg/cm¬2 and setting a reduction per rolling pass to 5 to 8%, a step of cutting a top end part of the rough rolled free-cutting steel bloom the maximum length of 200 mm before performing the finish rolling step after finishing the rough rolling step, and a step of finish rolling the top end part cut rough rolled free-cutting steel bloom.
    • 目的:提供一种前端部未开放并且通过适当地控制粗轧条件具有优异的热成形性能的Bi-S型自由切削钢的坯料的制造方法。 构成:在制造Bi-S型自由切削钢的钢坯的方法中,包括对含有0.15重量%以下的碳(C),0.02重量%以下的硅(C)的自由切割钢坯进行加热的工序 (Si),1.00〜1.40重量%的锰(Mn),0.07〜0.09重量%的磷(P),0.24〜0.35重量%的硫(S),0.005重量%以下的铝 ),再加热炉(1)中的铋(Bi)为0.05〜0.15重量%,余量为Fe和不可避免的杂质至1250±20℃的温度。 在粗轧机(2)中粗轧加热的自由切割钢坯的步骤; 以及在精轧机(4,6,7,9)中精轧粗轧自由切割钢坯的步骤,该方法包括以下步骤:通过控制用于冷却轧辊表面的冷却水量来进行粗轧 粗轧机为0.4〜0.6kg / cm 2,将轧制次数减少到5〜8%,切割粗轧自由切割钢的顶端部分的步骤在执行前最大长度为200mm 精加工粗轧工序后的精轧工序,以及精轧上部切削粗轧自由切割钢坯的步骤。
    • 6. 发明授权
    • 기계적스케일박리성이우수한침대스프링용경강선재제조방법
    • KR100448617B1
    • 2004-12-04
    • KR1019980056282
    • 1998-12-18
    • 주식회사 포스코
    • 우기택손진용
    • C21D8/06
    • PURPOSE: A method for producing steel rod wire is provided to have a scale with excellent peeling property while having excellent mechanical property by using a mechanical peeling method. CONSTITUTION: A billet is composed of 0.60-0.85wt% of C, 0.15-0.35wt% of Si, 0.60-0.90wt% of Mn, under 0.30wt% of P, under 0.30wt% of S, and the remnant wt% of Fe and impurities. The billet is hot rolled for being wound up at a temperature of 900-970°C. Then, the billet is cooled at an average cooling speed of under 10°C/sec to the temperature of 670-730°C. Herein, the scale of the strong steel rod wire for a bed spring is eliminated by applying a mechanical peeling method for reducing scale peeling cost while not contaminating environment.
    • 目的:提供一种生产钢棒线材的方法,以通过使用机械剥离法具有优异的剥离性能,同时具有优异的机械性能。 组成:坯料由0.60-0.85wt%的C,0.15-0.35wt%的Si,0.60-0.90wt%的Mn,0.30wt%的P,0.30wt%的S以及剩余重量% 的铁和杂质。 将钢坯热轧以在900-970℃的温度下卷绕。 然后,钢坯以10℃/秒以下的平均冷却速度冷却至670-730℃的温度。 在此,通过应用机械剥离方法来消除用于床弹簧的强力钢丝线的规模,以便在不污染环境的同时降低水垢剥离成本。
    • 8. 发明公开
    • 기계적 스케일 박리성이 우수한 특수 와이어로프용 경강선재제조방법
    • 具有超级机械尺寸剥离特性的特殊钢丝绳制造高碳钢丝绳的方法
    • KR1020010011965A
    • 2001-02-15
    • KR1019990031598
    • 1999-07-31
    • 주식회사 포스코
    • 장용관손진용
    • C21D8/06
    • PURPOSE: A method for manufacturing a high-carbon steel wire rod for a special wire rope having superior mechanical scale peeling characteristics is provided to maintain superior mechanical characteristics and remarkably improve mechanical scale peeling characteristics by controlling an appropriate winding temperature after hot rolling and strictly controlling an air-cooling rate per each temperature stages after winding in manufacturing a high-carbon steel wire rod for a special wire rope. CONSTITUTION: A material comprising 0.42 to 0.59 wt.% of carbon (C), 0.15 to 0.35 wt.% of silicon (Si), 0.60 to 0.90 wt.% of manganese (Mn), 0.030 wt.% or less of phosphorus (P), 0.30 wt.% or less of sulphur (S), a balance of iron (Fe) and inevitably mixed impurities is hot-rolled. The hot-rolled material is cooled to a temperature of 900 to 1000deg.C, wherein the material is air-cooled in an average cooling rate of 13deg.C/sec or less at a temperature of 700deg.C or more, and air-cooled in an average cooling rate of 8 to 17deg.C/sec or less at a temperature of 700deg.C or less so that a high-carbon steel wire rod for a special wire rope having superior mechanical scale peeling characteristics is manufactured.
    • 目的:提供一种具有优异的机械刻度剥离特性的专用钢丝绳用高碳钢线材的制造方法,通过控制热轧后的适当的卷取温度,严格控制,保持优异的机械特性,显着提高机械剥离特性 在制造用于特殊钢丝绳的高碳钢线材之后每个温度段的空气冷却速率。 构成:含有0.42〜0.59重量%的碳(C),0.15〜0.35重量%的硅(Si),0.60〜0.90重量%的锰(Mn),0.030重量%以下的磷 P),0.30重量%以下的硫(S),余量的铁(Fe)和不可避免的混合杂质进行热轧。 将该热轧材冷却至900〜1000℃的温度,在700℃以上的温度下,将该材料以13℃/秒以下的平均冷却速度进行风冷, 在700℃以下的温度下以8〜17℃/秒以下的平均冷却速度冷却,制造出具有优异机械刻度剥离特性的特殊钢丝绳用高碳钢线材。
    • 9. 发明公开
    • 커버체 투입장치
    • 用于提供线束到线束的装置
    • KR1020110004139A
    • 2011-01-13
    • KR1020090061791
    • 2009-07-07
    • 주식회사 포스코
    • 김정은손진용
    • B65B11/06B65B41/04B65B33/04
    • B65B11/08B65B41/04B65B57/005B65B65/02
    • PURPOSE: An apparatus for supplying covers to wire-rod coil is provided to prevent accidents due to manual work by automatically putting covers on wire-rods without manual works. CONSTITUTION: An apparatus(1) for supplying covers to wire-rod coil comprises a moving body(30), an elevation body(50), and a cover clamping unit(70). The moving body moves between material and a cover(20). The elevation body is provided in the moving body to be elevated. The clamping unit clamps the cover on the elevation body. The moving body moves horizontally through a horizontal drive unit connected along a rail member(34).
    • 目的:提供一种用于为线棒线圈提供盖子的装置,以防止手动工作引起的事故,自动将盖子放在线材上,无需手动工作。 构成:用于向线棒线圈提供盖的装置(1)包括移动体(30),升降体(50)和盖夹紧单元(70)。 移动体在材料和盖(20)之间移动。 升降体设置在移动体中以升高。 夹紧单元将盖子夹在升降体上。 移动体水平移动通过沿轨道构件(34)连接的水平驱动单元。
    • 10. 发明公开
    • 기계적스케일박리성이우수한침대스프링용경강선재제조방법
    • 用于生产具有优良机械尺寸剥离性能的板簧的强钢丝绳的方法
    • KR1020000040612A
    • 2000-07-05
    • KR1019980056282
    • 1998-12-18
    • 주식회사 포스코
    • 우기택손진용
    • C21D8/06
    • PURPOSE: A method for producing steel rod wire is provided to have a scale with excellent peeling property while having excellent mechanical property by using a mechanical peeling method. CONSTITUTION: A billet is composed of 0.60-0.85wt% of C, 0.15-0.35wt% of Si, 0.60-0.90wt% of Mn, under 0.30wt% of P, under 0.30wt% of S, and the remnant wt% of Fe and impurities. The billet is hot rolled for being wound up at a temperature of 900-970°C. Then, the billet is cooled at an average cooling speed of under 10°C/sec to the temperature of 670-730°C. Herein, the scale of the strong steel rod wire for a bed spring is eliminated by applying a mechanical peeling method for reducing scale peeling cost while not contaminating environment.
    • 目的:提供钢棒丝的制造方法,通过使用机械剥离法,具有优异的机械性能,具有优异的剥离性能。 构成:在0.30重量%的S下,在0.60〜0.85重量%的C,0.15-0.35重量%的Si,0.60〜0.90重量%的Mn,0.30重量%的P,以及剩余重量% 的铁和杂质。 将钢坯热轧,在900-970℃的温度下卷起。 然后,将坯料以10℃/秒以下的平均冷却速度冷却至670〜730℃的温度。 这里,通过在不污染环境的情况下,通过采用机械剥离方法来降低鳞片剥离成本来消除床弹簧用强力钢丝绳的规模。