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    • 92. 发明公开
    • Method to manage an insulated cooling bed and relative insulated cooling bed
    • Verfahren zum Betrieb eines isoliertenKühlbettesund entsprechendesKühlbett
    • EP0822015A1
    • 1998-02-04
    • EP97112214.8
    • 1997-07-17
    • DANIELI & C. OFFICINE MECCANICHE S.p.A.
    • Bordignon, GiuseppeGensini, Gianni
    • B21B43/00B21B39/00B21B1/46
    • B21B39/004B21B1/18B21B1/466B21B43/00B21B2001/022
    • Method to manage an insulated cooling bed placed downstream of at least one continuous casting machine with one or more feeder ways (12a, 12b, 12c, 12d) and upstream of an outlet rollerway (20) associated with a reheating and temperature-equalisation furnace (15) serving a rolling mill (16), the cooling bed (11) comprising at the inlet a first bridge crane transfer (21a) to load the billets (13) from the feeder ways (12a, 12b, 12c, 12d) and cooperating at the outlet with a bench (14) to collect the billets (13), wherein the first bridge crane transfer (21a) removes the billets (13) from one rollerway (12) or the other and lays them gradually onto the cooling bed (11) insulated at least at the lower part, a second bridge crane transfer (21b) removes the billets (13) from one or another rollerway (12) or from the cooling bed (11) and lays the billets (13) on the outlet rollerway (20) or on the collection bench (14), the billets (13) being made to advance on the cooling bed (11) rotating on their axis. Cooling bed placed between at least a continuous casting machine and a rolling mill (16), including upstream one or more feeder rollerways (12) and downstream an outlet rollerway (20) associated with a bench (14) to collect cold billets and with a reheating and temperature-equalisation furnace (15), the bed comprising positioning seatings (19) for the billets (13) and a first bridge crane transfer (21a), the cooling bed (11) including at least at the lower part an insulated containing structure (18) and comprising a second bridge crane transfer (21b) which is driven autonomously and independently in relation to the first bridge crane transfer (21a), the second bridge crane transfer (21b) being functionally associated at least with the feeder rollerways (12), the positioning seatings (19) for the billets (13) and the outlet rollerway (20).
    • 用于管理绝缘冷却床的方法,该绝热冷却床位于至少一个连续铸造机的下游,具有一个或多个进料通路(12a,12b,12c,12d)和与再加热和温度均衡炉相关联的出口辊道(20)的上游 15),其中冷却床(11)在入口处包括第一桥式起重机传送装置(21a),以从进料通道(12a,12b,12c,12d)装载坯料(13),并配合 在具有用于收集坯料(13)的工作台(14)的出口处,其中第一桥式起重机转移件(21a)从一个车道(12)或另一个车道(12)或另一个车道(12)或第二车道 至少在下部绝缘的第二桥式起重机转移件(21b)从一个或另一个车道(12)或从冷却床(11)移除钢坯(13),并将坯料(13)放置在出口 车道(20)或收集台(14)上,使坯料(13)在冷却床(11)上旋转 在它们的轴上。 放置在至少连续铸造机和轧机(16)之间的冷却床,包括上游一个或多个进料辊道(12)和与与台板(14)相关联的出口辊道(20)的下游,以收集冷坯料,并且具有 再加热和温度均衡炉(15),该床包括用于坯料(13)的定位座(19)和第一桥式起重机传送装置(21a),所述冷却床(11)至少包括在下部, 结构(18)并且包括相对于第一桥式起重机传递(21a)自主且独立地被驱动的第二桥式起重机传递(21b),所述第二桥式起重机传递(21b)至少与馈送滚道( 12),用于坯料(13)和出口辊道(20)的定位座(19)。
    • 93. 发明公开
    • 열크랙 저항성이 우수한 스프링강 빌렛의 제조방법
    • 制造具有优异耐热裂纹性的弹簧钢板的方法
    • KR1020130075885A
    • 2013-07-08
    • KR1020110144180
    • 2011-12-28
    • 주식회사 포스코
    • 손재승최상우
    • C21D8/00B21B1/02
    • C21D8/005B21B2001/022C21D9/0081
    • PURPOSE: A method for manufacturing a spring steel billet having an excellent thermal crack resistance is provided to restrain the generation of a thermal crack in a process for reheating and hot-rolling a spring steel bloom in order to manufacture the billet. CONSTITUTION: A method for manufacturing a spring steel billet having an excellent thermal crack resistance includes: a step of reheating a spring steel bloom in a reheating furnace having a preheating zone, a heating zone, and a soaking zone; and a step of rolling the bloom in order to manufacture the billet. At the end point of the preheating zone, a temperature difference between the surface and the center of the heated bloom is below 150°C. In the step of reheating the bloom, a volume expansion difference (delta-V = (V (surface) - V (center)) / V (center)) between the surface and the center of the bloom is below 0.32%.
    • 目的:提供一种制造具有优异的耐热裂纹性的弹簧钢坯的方法,以限制在用于再生和热轧弹簧钢坯的方法中产生热裂纹以制造坯料。 构成:具有优异的耐热裂纹性的弹簧钢坯的制造方法包括:在具有预热区域,加热区域和均热区域的再热炉中重新加热弹簧钢坯的步骤; 并且为了制造坯料而滚动花纹的步骤。 在预热区的终点处,加热花纹的表面和中心之间的温度差低于150℃。 在加热花纹的步骤中,花面的表面和中心之间的体积膨胀差(delta-V =(V(表面)-V(中心))/ V(中心))低于0.32%。
    • 98. 发明专利
    • Method and apparatus for rolling billet
    • 滚筒的方法和装置
    • JPS5731401A
    • 1982-02-19
    • JP10614980
    • 1980-07-31
    • Sumitomo Metal Ind Ltd
    • YUSA KAZUMIKUDOU TAKAYUKIKITAMURA ETSUOIWAHASHI TSUKIOMORIMOTO YOSHIHISA
    • B21B1/02B21B1/46B21B45/00
    • B21B45/004B21B2001/022
    • PURPOSE:To lower the heating temperature of a soaking pit to the lowest temperature region, by installing an electrical induction heater for heating a semifinished produce between a roughing mill and a finishing mill, and by reheating only a temperature lowered part of the semifinished product. CONSTITUTION:A cast ingot, heated by a soaking pit to >=1,150 deg.C, is processed successively by a roughing mill, a hot scarfer, and a shearing machine; thus prepared semifinished product 10 is heated by an electrical induction heater 5 to about 950-1,050 deg.C, and is then fed to a finishing mill. In case of manufacturing a square billet, for example, the induction heater 5 comprises a hollow square cylinder- shaped electrical insulating material 13, a spiral coil 12 internally set in the insulating material 13, and a hollow refractory 14 for protecting the insulating material 13 from the external heat; the semifinished product 10 is carried by a table roller 11 and is passed within the hollow refractory 14 while keeping a prescribed clearance 15. By the present method, the scale loss of the material is about 40% reduced from that in the conventional method, and the unit consumption of total energy is about 30% reduced.
    • 目的:通过在粗轧机与精轧机之间安装用于加热半成品的电感加热器,并通过仅再加热半成品的降温部分,将浸泡槽的加热温度降低到最低温度区域。 构成:通过浸泡坑加热至> = 1,150℃的铸锭由粗轧机,热灼烧机和剪切机连续处理; 将这样制备的半成品10由电感加热器5加热至约950-1,050℃,然后送入精轧机。 在制造方形坯的情况下,例如,感应加热器5包括中空的方形圆筒形的电绝缘材料13,内部设置在绝缘材料13中的螺旋线圈12和用于保护绝缘材料13的中空耐火材料14 从外部加热; 半成品10由工作台辊11承载,并且在保持规定的间隙15的同时通过中空耐火材料14。通过本方法,与常规方法相比,材料的氧化皮损耗降低约40%,并且 总能耗的单位消耗量减少约30%。