公开(公告)号：US20130008219A1

公开(公告)日：2013-01-10

申请号：US13438107

申请日：2012-04-03

Applicant: Ettore Cernuschi ,  Claudio Maria Scalmana

Inventor： Ettore Cernuschi ,  Claudio Maria Scalmana

IPC: B21B17/02 ,  B21B35/00

CPC classification number: B21B17/02 ,  B21B17/04 ,  B21B25/02 ,  B21C45/00

Abstract: A rolling plant (R) for rolling tubes having a multi-stand rolling mill (5) with two or more rolls, in order to implement a controlled speed mandrel rolling process, comprises a hooking and releasing device (61) which is arranged in the inlet area of the rolling mill (5) to cooperate with the rear tang of the mandrel (31) and a hooking and releasing device (71) which is arranged in the outlet area of the rolling mill (5) to cooperate with the front tang of the mandrel (31) in coordinated manner with the first hooking and releasing device (61).

Abstract translation: 为了实现受控速度的心轴轧制过程，为了实现受控速度的心轴轧制过程，具有具有两个或更多个轧辊的多台轧机（5）的轧制管轧机（R）包括一个挂钩和释放装置（61） 轧制机（5）的入口区域与心轴（31）的后柄部配合，以及配置在轧机（5）的出口区域中以与前刀柄配合的钩卸装置（71） 与第一钩挂释放装置（61）协调地形成心轴（31）。

公开(公告)号：US20030110825A1

公开(公告)日：2003-06-19

申请号：US10235080

申请日：2002-09-05

Applicant: Memry Corporation

Inventor： Neal Webb ,  Philippe Poncet ,  Ming H. Wu ,  Scott Carpenter ,  Jesse Perez ,  Paul Adler

IPC: B21D017/02

CPC classification number: B21C1/003 ,  B21C1/24 ,  B21C1/32 ,  B21C3/16 ,  B21C23/002 ,  B21C37/06 ,  B21C45/00 ,  Y10T29/4981

Abstract: The manufacture of seamless tubes in which the process includes providing an assembly having a metal tube blank, and an elongate metal core of shape memory effect material which is surrounded and contacted by the tube blank with a minimal gap. The assembly is elongated by mechanical working thereof at an elevated temperature until the tube blank has been converted into a tube of desired dimensions. After the elongation step, the core is subjected to a treatment which results in the core being in a stretched condition throughout its length, and does not substantially stretch the tube. The core is removed from the tube, and subsequently subjected to drawing passes over a nondeformable mandrel thereby refining the precision of diametric and wall dimensions with improved ID and OD surface quality. There is also decoring and reinserting to improve final dimensions which results in the ability to fabricate smaller, longer tubes.

Abstract translation: 无缝管的制造，其中该方法包括提供具有金属管坯的组件和形状记忆效应材料的细长金属芯，其以最小的间隙被管坯包围和接触。 通过在升高的温度下的机械加工来使组件伸长，直到管坯被转换成所需尺寸的管。 在延伸步骤之后，对芯进行处理，其导致芯在其整个长度上处于拉伸状态，并且基本上不拉伸管。 芯从管中取出，随后在不可变形的芯轴上进行拉伸，从而通过改进的ID和OD表面质量来提高直径和壁尺寸的精度。 还装饰和重新插入以改善最终尺寸，这导致制造更小更长的管的能力。

公开(公告)号：US20020083755A1

公开(公告)日：2002-07-04

申请号：US09961489

申请日：2001-09-25

Inventor： Kunio Miyauchi ,  Takayuki Aoki ,  Ichiro Takahashi

IPC: B21D022/21

CPC classification number: B21D22/30 ,  B21C45/00

Abstract: In press forming including ironing, an elastically deformable material is used for a part of ironing die contacting to the work material under a higher pressure than designed, for taking the formed product out from the die easily in a case that the ironing die and the formed product are very close in size to each other, and thereby improving the efficiency of production.

Abstract translation: 在包括熨烫的压制成型中，可弹性变形的材料用于在比设计的更高的压力下与工件接触的一部分熨烫模具，用于在熨烫模具和形成的模具的情况下容易地将模制产品从模具中取出 产品的尺寸非常接近，从而提高了生产效率。

公开(公告)号：US4158954A

公开(公告)日：1979-06-26

申请号：US878440

申请日：1978-02-16

Applicant: Teresio Passoni

Inventor： Teresio Passoni

IPC: B21B17/14 ,  B21B17/02 ,  B21B17/04 ,  B21B25/00 ,  B21B25/02 ,  B21B33/00 ,  B21C45/00

CPC classification number: B21B17/04 ,  B21C45/00

Abstract: The present invention is directed to an extraction device for use in continuous rolling mills for extracting tubes from retaining mandrels. The extraction device includes a frame having three pressure yielding rollers mounted therein. The rollers are normally retained in a fixed position for performing a final reduction on the tubes. However, if a mandrel on which the tube has been rolled accidentally enters the orifice defined by the three rollers, the rollers will yield to the excessive pressure and move away from the center of the frame by an amount corresponding to the maximum diameter of the tube containing the mandrel.

Abstract translation: 本发明涉及一种用于连续轧机中的提取装置，用于从保持心轴中提取管。 提取装置包括具有安装在其中的三个压力传递辊的框架。 辊通常保持在固定位置，以便在管上进行最终的还原。 然而，如果管已经滚动的心轴意外地进入由三个辊限定的孔，则辊将屈服于过大的压力并且离开框架的中心移动相当于管的最大直径的量 包含心轴。

公开(公告)号：US3911706A

公开(公告)日：1975-10-14

申请号：US49405074

申请日：1974-08-02

Applicant: DAVIS MURRAY W

Inventor： DAVIS MURRAY W

IPC: B21C45/00 ,  B21D26/14 ,  H02K41/025

CPC classification number: B21C45/00 ,  B21C1/305 ,  B21D26/14 ,  H02K41/025 ,  Y10T29/49803

Abstract: A linear induction motor having an elongated secondary or rotor member, and a cylindrical hollow primary or stator member having teeth formed as washers with energizable coils between the washers. The stator and coils concentrically surround the rotor member. The stator teeth have an inner washer or facing of a material having higher magnetic permeability and saturation properties than the stator to thereby provide composite stator teeth which do not magnetically saturate when high rotor forces are required for small diameter rotors. The motor has a particular utility in removing a workpiece from a die or other forming means.

Abstract translation: 具有细长的次级或转子构件的直线感应电动机以及具有形成为具有在垫圈之间具有可激励线圈的垫圈的齿的圆柱形空心初级或定子构件。 定子和线圈同心地围绕转子构件。 定子齿具有内部垫圈或具有比定子更高的导磁率和饱和特性的材料的面，从而提供复合定子齿，当对于小直径转子需要高转子力时，不会磁饱和。 马达具有从模具或其他成形装置移除工件的特殊用途。

公开(公告)号：US3713319A

公开(公告)日：1973-01-30

申请号：US3713319D

申请日：1971-01-19

Applicant: REYNOLDS METALS CO

Inventor： MATTHEWS R

IPC: B21C1/26 ,  B21C37/18 ,  B21C45/00

CPC classification number: B21C1/26 ,  B21C37/18 ,  B21C45/00

Abstract: Apparatus for forming a tubular metal blank into a tapered tube on a tapered mandrel comprising a die, means for pushing the tapered mandrel with the tubular metal blank thereabout in the forward direction through the die until the leading end of the mandrel and blank protrudes beyond the die whereafter the mandrel and blank are pulled in the forward direction through the die to complete the formation of the tapered tube on the tapered mandrel and means separate from said pushing means for withdrawing the mandrel in the reverse direction through the die. The withdrawing means preferably comprise flexible tension means, such as a flexible cable, together with a reel on which the flexible tension means are wound and means for turning the reel. The pushing means may comprise piston and cylinder means having a stroke only a fraction of the length of the madrel. The piston desirably has a longitudinal passage therethrough with the withdrawing means extending through the passage. The withdrawing means may comprise means stopping the movement of the mandrel in the forward direction when formation of the tapered tube on the tapered mandrel is completed whereupon the forward inertia of the tapered tube loosens it from the tapered mandrel. The withdrawing means may have stop means thereon which stop means engage the cylinder and thereby stop the forward movement of the mandrel. Also a method of forming a tubular metal blank into a tapered tube on a tapered mandrel comprising pushing the tapered mandrel with the tubular metal blank thereabout in the forward direction through a die until the leading end of the mandrel and blank protrudes beyond the die whereafter the mandrel and blank are pulled in the forward direction through the die to complete the formation of the tapered tube on the tapered mandrel, attaching flexible withdrawing means to the trailing end of the mandrel and by the flexible withdrawing means withdrawing the mandrel in the reverse direction through the die. The flexible withdrawing means are preferably attached to the trailing end of the mandrel before the mandrel and blank are pulled in the forward direction through the die. The withdrawing means desirably stop the movement of the mandrel in the forward direction when formation of the tapered tube on the tapered mandrel is complete whereupon the forward inertia of the tapered tube loosens it from the tapered mandrel.

Abstract translation: 用于在包括模具的锥形心轴上形成管状金属坯料到锥形管中的装置，用于将锥形心轴与其中的管状金属坯料沿着向前的方向推动通过模具的装置，直到芯棒和坯料的前端突出超过 然后心轴和坯料沿向前的方向被拉动通过模具，以完成在锥形心轴上形成锥形管，并且与所述推动装置分开的装置，用于通过模具沿相反方向抽出心轴。 抽出装置优选地包括诸如柔性电缆的柔性张紧装置，以及缠绕柔性张力装置的卷轴和用于转动卷轴的装置。 推动装置可包括活塞和气缸装置，该冲程仅具有短臂长度的一部分。 活塞期望地具有穿过其的纵向通道，延伸装置延伸穿过通道。 抽出装置可以包括在锥形心轴上形成锥形管时在向前方向上停止心轴的移动的装置，因此锥形管的向前惯性将其从锥形心轴松开。 抽出装置可以具有止动装置，止动装置接合缸体，从而停止心轴的向前运动。

公开(公告)号：US2343680A

公开(公告)日：1944-03-07

申请号：US44001342

申请日：1942-04-22

Applicant: LINDERME TUBE COMPANY

Inventor： LINDERME SR EMIL

IPC: B21C45/00

CPC classification number: B21C45/00

公开(公告)号：US20120103049A1

公开(公告)日：2012-05-03

申请号：US13379625

申请日：2010-06-29

Applicant: Ettore Cernuschi ,  Mauro Lattanzi

Inventor： Ettore Cernuschi ,  Mauro Lattanzi

IPC: B21B1/00

CPC classification number: B21C45/00 ,  B21B17/14 ,  B21B23/00 ,  B21B25/00 ,  B21B25/02

Abstract: A longitudinal, multi-stand rolling mill of the continuous, restrained type for rolling hollow bodies is described, which comprises a main rolling mill (2) and an extracting rolling mill (4) in line and downstream of the main rolling mill, at a distance from the main rolling mill larger than the maximum length of the hollow body and of the spindle, and in which the spindle is extracted at the outlet of the main rolling mill in the gap between said main rolling mill and extracting rolling mill, and is laterally unloaded.

Abstract translation: 描述了用于轧制中空体的连续约束型纵向多立式轧机，其包括在主轧机的直线和下游的主轧机（2）和提取轧机（4），在 距主轧机的距离大于中空体和主轴的最大长度，主轧机在主轧机的出口处在主轧机与提取轧机之间的间隙中提取主轴，并且 横向卸载

公开(公告)号：US20100212387A1

公开(公告)日：2010-08-26

申请号：US12679057

申请日：2009-07-14

Applicant: Walter Hoeffgen ,  Norbert Theelen

Inventor： Walter Hoeffgen ,  Norbert Theelen

IPC: B21B25/02 ,  B21C45/00 ,  B21B19/06

CPC classification number: B21B25/02 ,  B21B17/04 ,  B21B17/14 ,  B21B19/04 ,  B21B23/00 ,  B21C45/00

Abstract: The invention relates to a method and a rolling mill for producing a seamless steel pipe in a continuous rolling process, where semi-finished material is first formed into a hollow block (8) in a rotary rolling mill, said block then being rolled in a multi-tooled continuous rolling mill (1) over a previously inserted mandrel (10) to form a tube blank (9), wherein the mandrel (10) receiving the hollow block and held by a mandrel holding and transporting device (5) disposed on the entry side is fed into the continuous rolling mill (1) and is transported back to the entry side after the tube blank has been rolled off of the mandrel (10) on an extracting rolling mill (4) connected downstream of the continuous rolling mill An aim of the invention is to allow high production rates at the same product quality, particularly at a low drop in the temperature of the tube blanks. The aim is achieved in that the mandrel (10) with the tube blank (9) is released by the entry-side mandrel holding and transporting device (5) after exiting the last tool (2.n) of the continuous rolling mill (1) and thus is transferred to an accompanying second mandrel holding and transporting device (6) connected downstream and held by the same until the tube blank (9) is rolled off by means of the extracting rolling mill (4).

Abstract translation: 本发明涉及一种在连续轧制工艺中生产无缝钢管的方法和轧机，其中半成品首先在旋转轧机中形成中空块（8），然后将其轧制成 多工具连续轧机（1）在先前插入的心轴（10）上以形成管坯（9），其中容纳中空块的心轴（10）并且由设置在其上的心轴保持和输送装置（5）保持 入口侧被送入连续轧机（1），并且在连续轧制机的下游连接的提取轧制机（4）上将管坯从芯棒（10）上滚下之后被输送到入口侧 本发明的目的是允许相同产品质量的高生产率，特别是在管坯温度的低降低。 目的在于，在连续轧机（1）的最后一个工具（2.n）离开后，具有管坯（9）的心轴（10）被入口侧心轴保持输送装置（5）释放 ），并且由此转移到下游连接并保持在其中的伴随的第二心轴保持和输送装置（6），直到管坯（9）通过提取轧机（4）滚下。

公开(公告)号：US06860134B2

公开(公告)日：2005-03-01

申请号：US09961489

申请日：2001-09-25

Applicant: Kunio Miyauchi ,  Takayuki Aoki ,  Ichiro Takahashi

Inventor： Kunio Miyauchi ,  Takayuki Aoki ,  Ichiro Takahashi

IPC: B21D24/00 ,  B21C45/00 ,  B21D22/20 ,  B21D22/30 ,  B21D37/01

CPC classification number: B21D22/30 ,  B21C45/00

Abstract: In press forming including ironing, an elastically deformable material is used for a part of ironing die contacting to the work material under a higher pressure than designed, for taking the formed product out from the die easily in a case that the ironing die and the formed product are very close in size to each other, and thereby improving the efficiency of production.

Abstract translation: 在包括熨烫的压制成型中，可弹性变形的材料用于在比设计的更高的压力下与工件接触的一部分熨烫模具，用于在熨烫模具和形成的模具的情况下容易地将模制产品从模具中取出 产品的尺寸非常接近，从而提高了生产效率。