专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明授权

KR101259256B1 후판 압연방법 및 장치 有权
标题翻译：厚钢板轧制方法及装置
公开(公告)号：KR101259256B1
公开(公告)日：2013-04-29
申请号：KR1020100137308
申请日：2010-12-28
申请人： 주식회사 포스코
发明人： 천명식 , 고성현 , 서재형 , 문창호
IPC分类号： B21B37/58 , B21B37/68
摘要： 최소의 패스라인을 갖는 후판 압연방법이 개시된다.
개시되는 압연방법은 압연소재의 선단부 하향 휨이 허용치 이내의 값을 갖도록 상, 하부 작업롤간 롤갭중심과 압연소재 중심 사이의 비대칭량을 설정하는 단계; 압연기의 허용최대 압하량과 상기 비대칭량을 합하여 패스라인을 결정하는 단계; 및 상기 패스라인에 따라 작업롤을 운용하는 단계;를 포함하는 것을 특징으로 하며, 상기 비대칭량은 압연기의 입측 소재에 가해지는 접촉응력이 피드롤의 허용값 이내가 되도록 설정될 수 있다.
이러한 후판 압연방법에 의하면 피드롤의 손상을 최소화할 수 있게 된다.

22. 发明公开

KR1020120075255A 고온강도 모델을 이용한 압연판 교정방법 有权
标题翻译：使用高温强度模型进行水平设置的方法
公开(公告)号：KR1020120075255A
公开(公告)日：2012-07-06
申请号：KR1020100137317
申请日：2010-12-28
申请人： 주식회사 포스코
发明人： 고성현 , 서재형 , 천명식
IPC分类号： B21D1/02
摘要： PURPOSE: A method for straightening high temperature and strength model is provided to reduce working load of a post-process by obtaining flatness of rolling products, and to protect facilities by preventing upward bending or downward bending of sheets. CONSTITUTION: A method for straightening high temperature and strength model includes next steps. The basic information on sheets is inputted. A high temperature and strength model(220) is modeled in consideration of the movement of materials at high temperatures based on the inputted basic information and the temperature of the sheets inserted in a straightening machine(100). A straightening model is set by using the high temperature and strength model. According to indicated values by the straightening model, the straightening is implemented.
摘要翻译：目的：提供矫直高温强度模型的方法，通过获得轧制产品的平整度，通过防止板材的向上弯曲或向下弯曲来保护设备，从而减少后期加工的工作负荷。构成：矫正高温强度模型的方法包括下列步骤。输入纸张的基本信息。基于输入的基本信息和插入矫直机（100）中的片材的温度，考虑高温材料的移动来建模高温和强度型号（220）。通过使用高温和强度模型设定矫直模型。根据矫直模型的指标值，实现矫直。

23. 发明公开

KR1020120075215A 판재 교정 장치 및 방법 无效
标题翻译：板级调整方法和装置
公开(公告)号：KR1020120075215A
公开(公告)日：2012-07-06
申请号：KR1020100137269
申请日：2010-12-28
申请人： 주식회사 포스코
发明人： 고성현 , 천명식 , 서재형 , 문창호
IPC分类号： B21D1/02
摘要： PURPOSE: A plate leveling apparatus and a method thereof are provided to secure the flatness of front and rear portions of a plate by controlling the position of a regulating roll for securing residual stress and flatness of the plate. CONSTITUTION: A plate leveling apparatus(1) comprises a work roll(30), a backup roll(50), and plate regulating units(110, 120). The work roll corrects the flatness of a plate by being contacted with the plate. The backup roll supports the work roll. The plate regulating units are installed in one or more portions of input and output sides of the leveling apparatus.
摘要翻译：目的：提供一种平板调平装置及其方法，通过控制用于确保板的残余应力和平坦度的调节辊的位置来确保板的前后部分的平整度。构成：平板调平装置（1）包括工作辊（30），支承辊（50）和板调节单元（110,120）。工作辊通过与板接触来校正板的平坦度。支撑辊支撑工作辊。板调节单元安装在调平装置的输入和输出侧的一个或多个部分中。

24. 发明公开

KR1020120073509A 압연기용 백업롤 有权
标题翻译：备用滚筒铣刀
公开(公告)号：KR1020120073509A
公开(公告)日：2012-07-05
申请号：KR1020100135296
申请日：2010-12-27
申请人： 주식회사 포스코
发明人： 문창호 , 서재형 , 천명식 , 홍헌호
IPC分类号： B21B27/02
摘要： PURPOSE: A backup roll for a rolling machine is provided to minimize the bending change of a roll due to the abrasion of a backup roll by forming a round curve in the end of the roll. CONSTITUTION: A backup roll for a rolling machine(100) comprises first and second curved portions(C1,C2) and a changer portion(CF1). The first curved portion is formed in the center of a roll from a spot spaced from a roll end(E) at a first set length(X1). The second curved portion is connected to the first curved portion and is extended to a spot spaced from the roll end at a second set length(X2). The chamfer portion is formed between the end of the second curved portion and the end of the roll.
摘要翻译：目的：提供一种用于轧制机的支撑辊，以通过在辊的端部形成圆形曲线来最小化由于支承辊的磨损造成的辊的弯曲变化。构成：轧制机（100）的支承辊包括第一和第二弯曲部分（C1，C2）和更换部分（CF1）。第一弯曲部分以从第一设定长度（X1）的与辊端（E）隔开的点形成在辊的中心。第二弯曲部分连接到第一弯曲部分并且以第二设定长度（X2）延伸到与辊端部间隔开的点。倒角部分形成在第二弯曲部分的端部和辊的端部之间。

25. 发明公开

KR1020100110247A 강판 단조압연방법 有权
标题翻译：钢板锻造和轧制方法
公开(公告)号：KR1020100110247A
公开(公告)日：2010-10-12
申请号：KR1020090038566
申请日：2009-04-30
申请人： 주식회사 포스코
发明人： 천명식 , 문창호 , 서재형 , 고성현
IPC分类号： B21B1/38 , B21B15/00
摘要： PURPOSE: A steel plate forging and rolling method is provided to minimize porous combination by reducing voids by increasing the reduction degree of width. CONSTITUTION: A steel plate forging and rolling method is as follows. A slab produced with the continuous casting is heated and moved(100). A heated slab is carried to one side of a device. An inner void of slab is minimized with a forging machine(200). The slab passing the heat-up step or the slab passing the heat-up step and the forging step is rolled by a rolling mill(300).
摘要翻译：目的：提供钢板锻造和轧制方法，以通过增加宽度的减小程度来减少空隙来最小化多孔组合。构成：钢板锻造和轧制方法如下。用连续铸造生产的板坯被加热并移动（100）。加热的板坯被运送到设备的一侧。用锻造机（200）使板坯的内部空隙最小化。通过加热步骤的板坯或通过加热步骤和锻造步骤的板坯由轧机（300）轧制。

26. 发明授权

KR100804946B1 압연 강판 선단부 휨 발생 저감방법 有权
标题翻译：降低轧制钢板前端弯曲的方法
公开(公告)号：KR100804946B1
公开(公告)日：2008-02-20
申请号：KR1020070036119
申请日：2007-04-12
申请人： 주식회사 포스코
发明人： 천명식
IPC分类号： B21B37/00 , B21B37/68
摘要： A method for reducing top-end bending of a rolled steel plate is provided to be able to effectively reduce bending of the rolled steel plate by reflecting a bending height of the rolled steel plate measured after lengthwise rolling of a present rolled steel plate in differential speed rolling of a finish rolling pass of a following rolled steel plate. In a method for reducing top-end bending of the rolled steel plate in a steel plate rolling process of continuously rolling a plurality of steel plates using a rolling mill, the method comprises: a first step of measuring a bending height of a top end of a rolling-completed present rolled steel plate, and calculating a control bending height for a top end of a following rolled steel plate, a difference between the measured bending height of the top end and a target bending height; a second step of comparing rolling information measured on the present rolled steel plate with predicted rolling information of the following rolled steel plate to determine whether the following rolled steel plate is applicable to conditions of a bending control target or not; and a third step of performing bending control on the following rolled steel plate according to the control bending height when the following rolled steel plate is applicable to the conditions of the bending control target.
摘要翻译：提供了一种减少轧制钢板的顶端弯曲的方法，以能够通过反映在当前轧制钢板的纵向轧制之后测量的轧制钢板的弯曲高度，从而有效地减少轧制钢板的弯曲。轧制后续轧制钢板的精轧过程。在使用轧机连续轧制多块钢板的钢板轧制工序中减少轧制钢板的顶端弯曲的方法中，所述方法包括：第一步骤，测量顶部的弯曲高度轧制完成的现有轧制钢板，并计算后续轧制钢板的顶端的控制弯曲高度，测量顶端的弯曲高度与目标弯曲高度之间的差; 将在现有轧制钢板上测量的滚动信息与下述轧制钢板的预测滚动信息进行比较以确定以下轧制钢板是否适用于弯曲控制目标的条件的第二步骤; 以及第三步骤，当以下轧制钢板适用于弯曲控制目标的条件时，根据控制弯曲高度对后续轧制钢板进行弯曲控制。

27. 发明授权

KR100513821B1 열간 후판 압연에서의 평면형상 제어방법 有权
标题翻译：用于控制热板铣床中的计划视图形状的方法
公开(公告)号：KR100513821B1
公开(公告)日：2005-09-09
申请号：KR1020000046925
申请日：2000-08-14
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원
发明人： 천명식
IPC分类号： B21B37/00
摘要： 본 발명은 유압식 수평압연기를 갖는 열간후판압연 공정에서 압연시 선후단부의 비정상변형에 의한 크롭발생길이와 크롭프로파일을 미리 예측하고 이를 줄이기 위해 폭내기 압연 종료패스시 선후단부와 정상부간 적정 압하변경 두께와 폭을 설정하여 판의 크롭형상 개선과 그 발생길이를 제어하는 열간후판압연에서의 평면형상 제어방법에 관한 것이다.
이를 위하여 본 발명에서는 다수의 실기실험을 통하여 모델링하고 폭방향으로의 회복량과 날판의 크롭형상계수를 도입하여 제어패스시 압하변경 두께와 폭을 도출하고 폭내기 압연시 제어압연으로 인한 폭감소량과 길이내기 압연시 폭변화량을 고려한 폭내기 목표두께를 조정함으로써 날판 목표폭과 선후단부의 크롭량을 저감하는 효과가 있다.

28. 发明授权

KR100451563B1 가역식 열간압연기의 폭압연 방법 失效
标题翻译： 가역식열열압연기의폭압연방법
公开(公告)号：KR100451563B1
公开(公告)日：2004-10-06
申请号：KR1019990033996
申请日：1999-08-17
申请人： 재단법인 포항산업과학연구원 , 주식회사 포스코
发明人： 천명식 , 이준정
IPC分类号： B21B37/00 , B21B1/32
摘要： PURPOSE: A width rolling method of a reversible hot rolling mill is provided to increase the width variable range and decide a width rolling reduction at the pass of the exit side of a roughing mill which reaches to a target width of the rough rolling by carrying out at the exit side of the roughing mill also the width rolling method that is performed only in the reversible hot rolling process including a width rolling mill. CONSTITUTION: The width rolling method comprises the step of first step (21) of judging whether or not a width variable quantity rolled exceeds an ordinary maximum width variable quantity; second step (22 - 25) of setting the number of width rolling pass at the exit side of a horizontal rolling mill and the initial width rolling reduction; third step (26 - 28) of calculating a dog bone width recovery quantity and an exit side width of the rough rolling considering the total rolling reduction of the subsequent pass; and fourth step (29 - 33) of conforming a width of the rough rolling terminating pass with a target width so as to derive a width rolling reduction for the width rolling pass of the exit side of the horizontal rolling mill.
摘要翻译：目的：提供一种可逆热轧机的宽度轧制方法，以增加宽度可变范围，并通过实施粗轧机的出口侧通过实现达到粗轧的目标宽度的宽度压下率在粗轧机的出口侧也采用仅在包括宽轧机的可逆热轧过程中进行的宽轧方法。构成：宽度轧制方法包括判断轧制的宽度可变量是否超过普通最大宽度可变量的第一步骤（21）的步骤; 第二步骤（22-25），其设定在水平轧机的出口侧的宽度轧制道次数和初始宽度压下量; 第三步骤（26-28），其考虑下一道次的总压下量来计算粗轧的狗骨宽度恢复量和出口侧宽度; 以及使粗轧终止道次的宽度与目标宽度一致的第四步骤（29-33），以便得到水平轧机的出口侧的宽度轧制道次的宽度压下率。

29. 发明授权

KR100435435B1 초극박 열연강판 생산겸용 연속열간압연장치 및 이를이용한 초극박 열연강판의 제조방법 有权
标题翻译： 초극박열연강판생산겸용연속속압연장치및이를이용한박열연연강판의제조방법
公开(公告)号：KR100435435B1
公开(公告)日：2004-06-10
申请号：KR1019990047891
申请日：1999-11-01
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원
发明人： 이준정 , 천명식
IPC分类号： B21B1/26 , B21B1/40
摘要： PURPOSE: A continuous hot rolling apparatus and a method for manufacturing an ultra thin hot rolled steel sheet using the apparatus are provided which can produce both a thick material and an ultra thin material by enabling ferrite rolling and ferritic rolling. CONSTITUTION: The combined apparatus for producing and continuous hot rolling an ultra thin hot rolled steel sheet comprises an approach coiler (52) installed at the upper or lower part of a transferring table adjacently to a finishing mill (33) for coiling a hot rolled sheet to a coil; a coil transferrer transferring the coiled coil to an ultra-thin sheet rolling mill (50) arranged on one side of the finishing mill (33); an ultra-thin sheet rolling mill (50) rolling the transferred coil to an ultra-thin hot rolled sheet; and a tension coiler (57) coiling the ultra-thin hot rolled sheet. The method for manufacturing the ultra thin hot rolled steel sheet comprises the steps of coiling a hot rolled sheet which is finishing rolled to a thickness of 1.5 to 3.5mm at a temperature of A3 or more with an approach coiler; transferring the coiled coil to an ultra-thin sheet rolling mill and coiling the front part of the coil with a tension coiler securing the sheet tension; applying an accumulated reduction ratio of 65% or more to the sheet as supplying a rolling oil to the coiled sheet, thereby rolling to an ultra-thin hot rolled sheet in the ferrite zone; and coiling the ultra-thin hot rolled steel sheet at a ferrite recrystallizing temperature or more.
摘要翻译：目的：提供了一种连续热轧设备和使用该设备的超薄热轧钢板的制造方法，该设备能够通过使铁素体轧制和铁素体轧制生产厚材料和超薄材料。用于生产和连续热轧超薄热轧钢板的组合装置包括一个靠近精轧机（33）安装在转移台的上部或下部的卷取机（52），用于卷取热轧板一个线圈; 线圈传送器，将卷绕的卷材传送到布置在精轧机（33）的一侧上的超薄板轧机（50）; 超薄板轧机（50），将该输送来的卷材卷成超薄热轧板; 和卷绕超薄热轧板的张力卷取机（57）。该超薄热轧钢板的制造方法包括以下步骤：用引绕卷取机在A3或更高的温度下卷取精轧至1.5-3.5mm厚度的热轧板; 将卷绕的卷材传送到超薄板材轧机，并用固定纸张张力的张力卷取机卷绕卷材的前部; 当向卷材供给轧制油时，对板材施加65％以上的累积压下率，轧制成铁素体区域的超薄热轧板; 并且将该超薄热轧钢板以铁素体再结晶温度以上进行卷取。

30. 发明公开

KR1020030053709A 열간 자유단조 압하량 배분방법 有权
标题翻译：滚动减少分配方法在无铅锻造
公开(公告)号：KR1020030053709A
公开(公告)日：2003-07-02
申请号：KR1020010083657
申请日：2001-12-22
申请人： 재단법인 포항산업과학연구원 , 철강융합신기술연구조합 , 주식회사 세아창원특수강 , 주식회사 포스코
发明人： 천명식 , 박재철
IPC分类号： B21J5/00
摘要： PURPOSE: A rolling reduction distribution method in hot free forging is provided to increase pressing efficiency on pores generated during casting process in forging process and increase output by minimizing the number of passes using an appropriate rolling reduction distribution method. CONSTITUTION: The rolling reduction distribution method in hot free forging comprises first step of calculating allowable forging load of forging press from dimensions of square bar in the intermediate steel ingot step and target dimensions of the square bar; second step of determining first rolling reduction within the allowable conditions by obtaining deviation of the forging load and allowable forging load calculated in the first step and calculating difference between the maximum rolling reduction and minimum rolling reduction; third step of comparing the first rolling reduction determined in the second step with a reduction ratio having conditions for pressing pores to the maximum determined from a numerical expression for pore pressing ratio; fourth step of determining reduction ratio of the present pass by comparing the reduction ratio determined in the third step with a reduction ratio having allowable limit conditions for generating cracks during forging; fifth step of calculating output side thickness, width spreading, output side width and temperature of the next pass from the reduction ratio determined in the fourth step; and sixth step of repeating the first to fifth steps in calculating reduction ratio of the remaining next passes in the same manner.
摘要翻译：目的：提供热锻造中的轧制压下分配方法，以提高锻造过程中产生的孔隙的压制效率，并通过使用适当的轧制压下分布方法使通过量最小化来增加产量。构成：热自由锻造中的轧制压下分配方法包括在中间钢锭步长中的方棒尺寸和方棒的目标尺寸上计算锻压机的允许锻造载荷的第一步骤; 通过获得在第一步骤中计算的锻造载荷和允许锻造载荷的偏差以及计算最大轧制压下率和最小轧制压下量之差来确定允许条件下的第一轧制压下量的第二步骤; 将从第二步骤确定的第一次压下率与从孔隙压制比的数值表达式确定的压缩孔的压缩比达到最大值的第三步骤; 通过将在第三步骤中确定的减速比与锻造期间产生裂纹的允许极限条件的减速比进行比较来确定当前通过的减速比的第四步骤; 从第四步骤确定的压下率计算下一道次的输出侧厚度，宽度扩展，输出侧宽度和温度的第五步骤; 以及以相同的方式计算剩余的下一遍的减速比来重复第一至第五步骤的第六步骤。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式