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    • 1. 发明申请
    • VERFAHREN ZUM STUFENWALZEN EINES METALLBANDES
    • 方法舞台轧制钢带
    • WO2016193089A1
    • 2016-12-08
    • PCT/EP2016/061784
    • 2016-05-25
    • GIEBEL KALTWALZWERK GMBH
    • SCHARFENORTH, Stephan
    • B21B37/26
    • B21B37/26B21B37/54B21B37/58B21B2265/02B21B2265/12
    • Verfahren zum Stufenwalzen eines Metallbandes (4), wobei das Metallband (4) von einer Ablaufhaspelvorrichtung (5) abgewickelt und von einer Aufhaspelvorrichtung (6) aufgewickelt wird, wobei das Metallband (4) während des Walzprozesses durch einen zwischen zwei Arbeitswalzen (1, 2) gebildeten Walzspalt (3) geführt wird und der Walzspalt (3) während des Walzprozesses gezielt verändert wird, wobei hierdurch eine Banddicke des Metallbandes (4) stufenweise in Längsrichtung (7) während des Walzprozesses verändert wird, wobei ein auf das Metallband (4) aufgebrachter Bandzug gezielt so gesteuert wird, dass die von den Arbeitswalzen (1, 2) auf das Metallband (4) aufgebrachte Walzkraft während des Walzprozesses konstant ist.
    • (4),其中,所述金属带材(4)退绕从送出卷轮装置(5)和由一个Aufhaspelvorrichtung(6)缠绕,其中,所述金属带(4)在轧制过程中通过工作轧辊1,2中的一个(这两者之间用于阶段轧制金属带材的方法 )NIP(3)形成,进行与所述辊隙(3)在轧制过程中进行具体改变,其特征在于,从而将金属条(4)逐步的条带厚度(在纵向方向7)在滚动过程中,其中一个(在金属带材过程中改变4) 剥离涂布是特别控制张力,使得工作辊(1,2)的金属带材(4)施加轧制力是在轧制过程中是恒定的。
    • 6. 发明申请
    • METHOD FOR COLD DEFORMATION OF AN AUSTENITIC STEEL
    • 奥氏体钢冷变形的方法
    • WO2018060454A1
    • 2018-04-05
    • PCT/EP2017/074832
    • 2017-09-29
    • OUTOKUMPU OYJ
    • FRÖHLICH, ThomasLINDNER, StefanPINIEK, Thorsten
    • C21D7/02B21B37/26C21D8/04
    • The invention relates for a method for partial hardening of an austenitic steel by utilizing during cold deformation the TWIP (Twinning Induced Plasticity), TWIP/TRIP or TRIP (Transformation Induced Plasticity) hardening effect. Cold deformation is carried out by cold rolling on at least one surface (2,3;12) of the material (1,11) to be deformed with forming degree (Φ) at the range of 5 ≤ Φ ≤ 60 % in order to achieve in the material (1,11) at least two consecutive areas (5,7;14,16) with different mechanical values in thickness, yield strength Rp0.2, tensile strength Rm and elongation having a ratio (r) between ultimate load ratio ΔF and the thickness ratio Δt at the range of 1.0 > r > 2.0, and which areas are mechanically achieved to connect to each other by a transition area (6;15) which thickness is achieved variable from the thickness (t1,t3) of the first area (5,14) in the deformation direction (4,13) to the thickness (t2,t4) of the second area (7,16) in the deformation direction (4,13). The invention also relates to the use of the cold deformed product.
    • 本发明涉及一种通过在冷变形期间利用TWIP(结晶诱导塑性),TWIP / TRIP或TRIP(相变诱发塑性)硬化效应来使奥氏体钢部分硬化的方法。 为了使成形度(Φ)在5≤Φ≤60%范围内变形,在材料(1,11)的至少一个表面(2,3; 12)上通过冷轧进行冷变形,以便 在材料(1,11)中实现至少两个连续区域(5,7; 14,16),其具有不同的厚度,屈服强度Rp0.2,拉伸强度Rm和伸长率具有不同的机械值,极限载荷 比值ΔF和厚度比Δt在1.0> r> 2.0,并且所述区域机械地实现为通过过渡区域(6; 15)彼此连接,所述过渡区域在所述变形方向(4)上从所述第一区域(5,14)的厚度(t1,t3) ,13)与变形方向(4,13)上的第二区域(7,16)的厚度(t2,t4)相比较。 本发明还涉及冷变形产品的用途。
    • 8. 发明申请
    • METHOD OF HOT-ROLLING METAL PIECES
    • 热轧金属板的方法
    • WO01019543A1
    • 2001-03-22
    • PCT/JP1999/005043
    • 1999-09-16
    • B21B1/26B21B1/28B21B15/00B21B37/26B21B39/12B21B39/14B21B45/00B23K20/00B23K20/02B23K31/00
    • B21B1/26B21B1/28B21B15/0007B21B15/0085B21B37/26B21B39/12B21B45/00B21B2015/0014B21B2201/08B21B2201/10
    • A hot rolling method which, even if an abnormality occurs before, during or after the joining of metal pieces, does not need to stop the operation of the line. The method is such that if, at the inlet side of a finish rolling machine (26), the leading end of a following metal piece is to be joined to the trailing end (10B) of a preceding metal piece so as to be subjected to finish hot rolling continuously with the preceding metal piece (10), it is decided whether or not endless rolling is possible before and after joining and if it is found impossible, joining is suspended and the following metal piece (12) is stopped so that after the trailing end (10B) of the preceding metal piece has passed through the finish rolling machine (26), the following metal piece (12) is retransferred and finish-rolled with a setting for batch rolling, and if an abnormality occurs in the joined portion after the joining, the joined portion (11) is cut off between the joining device and the finish rolling machine (26), and the material to be rolled is fed into the finish rolling machine with a setting for batch rolling.
    • 即使在金属片接合之前,期间或之后发生异常的热轧方法也不需要停止线的动作。 该方法是,如果在精轧机(26)的入口侧,将下一金属片的前端接合到前一金属片的后端(10B),以便经受 用前述金属片(10)连续进行热轧,判定接合前后是否能进行无端卷绕,如果发现不可能,则停止接合,并且停止下一个金属片(12),使得在 前一金属片的后端(10B)已经通过精轧机(26),随后的金属片(12)以分批轧制的设定进行再次精轧,如果在连接件 在接合装置和精轧机(26)之间切断接合部分(11),并将待轧制的材料以批量轧制的方式供给到精轧机中。