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1. 发明专利

JPS6137311A Method for controlling tension of mandrel mill 失效
标题翻译：控制轧机张力的方法
公开(公告)号：JPS6137311A
公开(公告)日：1986-02-22
申请号：JP15796384
申请日：1984-07-27
申请人： Hitachi Ltd , Kawasaki Steel Corp
发明人： KONYA NORIO , FUNIYU YUTAKA , OKUMURA KIYOSHI , ASAKAWA YUKIO
IPC分类号： B21B37/48 , B21B17/04 , B21B37/00 , B21B37/78 , G05D15/00
CPC分类号： B21B37/78 , B21B17/04
摘要： PURPOSE:To eliminate the variation of the wall thickness of a steel pipe by using a forward slip obtained by correcting a reference forward slip by a torque change, and outputting a control output gain used for changing a roll peripheral speed based on the deviation from an aimed value of tension, to correct the peripheral speed in controlling the rolling tension of a pipe material. CONSTITUTION:A pulse counter 24 which inputs a pulse signal 20 of the number of revolutions of a roll 14k, starts by a biting signal outputted from a load cell 22k and stops by a biting signal outputted from a load cell 22k+1 to output the integrated number of pulses C. An arithmetic device 26 obtains a forward slip fk by correcting the reference forward slip fok of a material 10 to be rolled, obtained from the number of pulses C, by using the veriation portion DELTAGk of a rolling torque to decide a control output gain (g) used for changing a roll peripheral speed Vrk in accordance with a tension deviation DELTAtauk. The control amount DELTAVrk of roll peripheral speed is outputted by using the gain (g), to correct the roll peripheral speed with the aid of a control device. Accordingly, the material 10 is rolled into the uniform wall thickness without causing the deviation of the biting tensions at the front and rear parts, to improve the finish yield.
摘要翻译：目的：通过使用通过扭矩变化校正参考前进滑差获得的前进滑移来消除钢管的壁厚的变化，并且输出用于改变辊圆周速度的控制输出增益，该控制输出增益基于与目标值的张力，以校正圆周速度来控制管材的滚动张力。构成：输入辊14k的转数的脉冲信号20的脉冲计数器24由从测力传感器22k输出的咬入信号开始，并通过从测力传感器22k + 1输出的咬入信号停止，输出积分的脉冲数C.运算装置26通过使用滚动转矩的解码部分DELTAGk来校正从脉冲数C获得的待滚动的材料10的参考向前滑差fok来确定向前滑移fk，以决定用于根据张力偏差DELTAtauk改变卷圆周速度Vrk的控制输出增益（g）。通过使用增益（g）输出滚筒圆周速度的控制量DELTAVrk，借助于控制装置来校正滚动圆周速度。因此，材料10被轧制成均匀的壁厚，而不会导致前部和后部的咬合张力的偏差，以提高成品率。

2. 发明专利

JPS6137310A Method for controlling tension of mandrel mill 失效
标题翻译：控制轧机张力的方法
公开(公告)号：JPS6137310A
公开(公告)日：1986-02-22
申请号：JP15796284
申请日：1984-07-27
申请人： Hitachi Ltd , Kawasaki Steel Corp
发明人： KONYA NORIO , FUNIYU YUTAKA , OKUMURA KIYOSHI , ASAKAWA YUKIO , TATE YOSHIO
IPC分类号： B21B37/48 , B21B17/04 , B21B37/00 , B21B37/78 , G05D15/00
CPC分类号： B21B37/78 , B21B17/04
摘要： PURPOSE:To restrain surely the wall thickness and the variation of the outer diameter of a material to be rolled by controlling the number of revolutions of a roll to conform an interstand tension, which is detected by a torque arm obtained from an outer diameter at the inlet side and the values of an effective roll diameter, a rolling torque and a rolling load, to an aimed value. CONSTITUTION:An effective roll radius R is obtained from a roll gap S of mandrel mill and an effective outer diameter Do obtained by the square conversion of the outer of a rolling material by using the equation I, a rolling torque G is obtained by using the equation II, a torque arm (l) is obtained from a rolling load P, the radius R, torque G and an outer diameter Gi at the at the inlet side by using the equation III; then an interstand tension Tf is obtained from the torque arm (l) by using the equation IV. The number of revolutions N of roll is controlled so as to conform the tension Tf to an aimed value Tfai. Thus the wall thickness and the variation of the outer diameter of a material to be rolled are surely restrained to well perform the mandrel-mill rolling.
摘要翻译：目的：通过控制轧辊的转数来确定壁厚和外径的变化，以适应台架张力，这是通过从外径处获得的扭矩臂检测到的入口侧和有效轧辊直径，轧制转矩和轧制负载的值达到目标值。构成：从芯棒式无缝管轧机的轧辊间隙S获得有效的轧制半径R，并且通过使用式I通过轧制材料的外部的平方转换获得的有效外径Do，通过使用轧制转矩G 通过使用公式III，从轧制载荷P，半径R，转矩G和入口侧的外径Gi获得转矩臂（1）那么通过使用等式IV从转矩臂（1）获得中间架张力Tf。控制辊的转数N以使张力Tf与目标值Tfai一致。因此，可靠地抑制被轧材的壁厚和外径的变化，以良好地进行芯棒式轧机轧制。

3. 发明专利

JPS61140317A Control method of rolling of mandrel mill 失效
标题翻译： MANDREL MILL的轧制控制方法
公开(公告)号：JPS61140317A
公开(公告)日：1986-06-27
申请号：JP26084984
申请日：1984-12-12
申请人： Kawasaki Steel Corp
发明人： MURASE FUMIO , SASAKI SHINZO , OOTA RYOICHI , IMAE TOSHIO , KONYA NORIO
IPC分类号： B21B17/04 , B21B37/18 , B21B37/78
CPC分类号： B21B37/78 , B21B17/04
摘要： PURPOSE:To perform rolling without producing defects or poor rolled parts in the bulged part of a pipe stock, by using a bulge-width sensor, etc. and measuring the real bulge-width to set it within a proper range. CONSTITUTION:A dectection signal, detected by a bulge-width sensor 40 arranged at the outlet side of the prescribed stand of a mandrel mill 30, is analyzed by a bulge-width measuring instrument 41 and is transmitted to a host operator 42. The operator 42 compares the actual bulge-width Bx with the allowable upper limit of bulge-width Ba and the allowable lower limit of bulge- width Bb, to transmit the adjusting rolling-reduction of each stand to a rolling reduction controller 38 when the real bulge-width Bx is not contained within a range of allowable bulge-widths Ba-Bb, thereby controlling the drive of rolling reduction screws 36. Further, the rotational speed of adjusting roll of each stand, capable of setting the bulge-width Bx within said range Ba-Bb, is transmitted to a roll rotational-speed controller 39, to control the drive of a main motor 37 of each stand.
摘要翻译：目的：通过使用凸出宽度传感器等进行轧制而不产生缺陷或不良轧制部件，通过使用凸出宽度传感器等，并测量真实的凸起宽度以将其设置在适当的范围内。构成：通过布置在芯棒式无缝管轧机30的规定台架的出口侧的凸出宽度传感器40检测到的检测信号，由凸出宽度测量仪41分析，并传送给主机操作器42.操作者将实际的隆起宽度Bx与凸起宽度Ba的允许上限和凸起宽度Bb的允许下限进行比较，将实际的凸起宽度Bx与实际的凸起宽度Bx进行比较，宽度Bx不包含在允许的凸出宽度Ba-Bb的范围内，从而控制滚动减少螺钉36的驱动。此外，能够将凸起宽度Bx设定在所述范围内的每个支架的调节辊的旋转速度 Ba-Bb被传送到辊转速控制器39，以控制每个支架的主电动机37的驱动。

4. 发明专利

JPS61112909A Radioactive ray transmission type wall-thickness measuring device of tubular member 失效
标题翻译：管状构件的放射性透射型壁厚测量装置
公开(公告)号：JPS61112909A
公开(公告)日：1986-05-30
申请号：JP23446984
申请日：1984-11-07
申请人： Fuji Electric Co Ltd , Kawasaki Steel Corp
发明人： KONYA NORIO , FUNIYU YUTAKA , OKUMURA KIYOSHI , SHIMIZU MASAMI , MATSUSHITA SHIGETADA , MONNO ASAO
IPC分类号： G01B15/02
CPC分类号： G01B15/025
摘要： PURPOSE:To improve outside-diameter range responsivity and measuring accuracy of a tubular member, by changing a irradiation width of a beam by changing a distance of a plurality of individual radioactive source arranged in parallel in the direction of width of a broad radioactive beam. CONSTITUTION:At the beginning, a threaded rod 24A is turned with alignment with an outside-diameter P of a tubular member 10 to adjust an irradiation width L in such a way that the width L of a broad radioactive beam 14 is larger than the outside-diameter D of the member 10 and ratio of attenuation amount (NO-NS) to the total radioactive emission rate NO becomes optimum. Next, for uniformizing radioactive intensity distribution in the transversal direc tion of the broad radioactive beam corresponding to distances among individual radioactive sources 22A, 22B and 22C, a shielding 26A is turned for adjustment of the radioactive intensity of the central individual radioactive source 22B. Then, the specified standard specimen is inserted in the specimen space and after organizing divisions for wall-thickness measurement, an on-line measure ment is started.
摘要翻译：目的：为了改善管状构件的外径范围响应性和测量精度，通过改变沿宽广射线束的宽度方向平行布置的多个单个放射源的距离来改变光束的照射宽度。构成：一开始，螺纹杆24A与管状构件10的外径P对准地转动，以调节照射宽度L，使得宽放射性束14的宽度L大于外侧 - 成员10的直径D和衰减量（NO-NS）与总放射性排放速率NO的比率变得最佳。接下来，为了对应于各个放射源22A，22B和22C之间的距离的宽放射性束横向的放射性强度分布的均匀化，屏蔽层26A被转动以调节中央个体放射源22B的放射强度。然后，将规定的标准样品插入样品空间，组织分层后进行壁厚测定，开始在线测量。

5. 发明专利

JPS6046806A METHOD FOR CONTROLLING TENSION IN ROLLING OF PIPE 失效
公开(公告)号：JPS6046806A
公开(公告)日：1985-03-13
申请号：JP15443083
申请日：1983-08-24
申请人： KAWASAKI STEEL CO , HITACHI LTD
发明人： FUNIYUU YUTAKA , KONYA NORIO , ASAKAWA YUKIO , TATE YOSHIO
IPC分类号： B21B37/48 , B21B17/04 , B21B37/00 , B21B37/78
摘要： PURPOSE:To make the wall thickness of a steel pipe uniform especially at its end part by controlling a rooling tension to a specific one in finish-rolling a hollow blank pipe into a steel pipe by a mandrel mill, etc. CONSTITUTION:A hollow blank pipe 5 pierced by a piercer is rolled into a finished pipe by the roll stands 1-3 and mandrel bar 4 of a mandrel mill. The electric currents, voltages, and number of revolutions of motors 9-11 for roll driving, detected by a speed control device 12 during rolling, and the rolling loads of respective roll stands 1-3 detected by rolling load detectors 6-8, are inputted to a pipe-tension control device 13 respectively. The deviation of control speed is calculated, by detecting that the front end of pipe 5 is bitten by the roll stand 1, and basing on the rolling torque, reference torque, tension between the roll stands 1, 2, speed of mandrel bar 4, tension of bar at a pivot stand, and pipe tension between the stands 1, 2, all of which are obtained at the time of said biting; then the wall thickness of pipe-end part of a finished pipe is controlled to a prescribed value by controlling the pipe tension to a target value to improve the yield of finished pipe.

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