JPH0286533A - Method and device for correcting coil winding unevenness of wound coil - Google Patents
Method and device for correcting coil winding unevenness of wound coilInfo
- Publication number
- JPH0286533A JPH0286533A JP23622088A JP23622088A JPH0286533A JP H0286533 A JPH0286533 A JP H0286533A JP 23622088 A JP23622088 A JP 23622088A JP 23622088 A JP23622088 A JP 23622088A JP H0286533 A JPH0286533 A JP H0286533A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- winding
- expansion
- contraction
- coil winding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims description 9
- 230000008602 contraction Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000012937 correction Methods 0.000 abstract description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は圧延ラインおよび焼鈍ライン等で巻き取られた
コイルのコイル巻不揃い修正方法および装置に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method and apparatus for correcting coil winding irregularities in coils wound on rolling lines, annealing lines, etc.
〈従来の技術および発明が解決しようとする！Ｉ題〉
従来、圧延ラインあるいは焼鈍ライン等で巻取機に巻き
取られたコイルの後端部は最終スタンドと巻取機間で張
力を与えることができないので、コイル巻き終わり端部
のほぼ−巻き程度が巻きずれしてコイルエツジが側方に
飛び出し、コイル巻き不揃いとなることが多い。<Prior art and inventions try to solve! Problem I> Conventionally, tension cannot be applied to the rear end of a coil wound on a winding machine on a rolling line or an annealing line, etc. between the final stand and the winding machine. The degree of winding is misaligned, the coil edge protrudes to the side, and the coil winding is often uneven.
このようなコイルの巻きずれによるコイル巻き不揃いは
第４図に示すようにコイル１２の巻き終わり端１６のエ
ツジが最も側方に出張った形で徐々に巻ずれするケース
ゐ（多い。As shown in FIG. 4, the irregular winding of the coil due to the winding misalignment of the coil is caused by the gradual miswinding of the coil 12 in such a way that the winding end 16 of the coil 12 protrudes most to the side.
このエツジに不揃いのあるコイルは次工程の梱包ライン
で作業員が手作業で修正を行ったのち梱包しているが、
省力化の点で問題があり、不安全作業でもある。またエ
ッジ不揃い修正にはコイルの内径にコイルリフタを差し
込んでリフティングする必要があり、梱包紙の耳折り後
の作業となるケースがあり、紙やぶれが発生するという
問題点もある。Coils with uneven edges are corrected manually by workers on the next packing line, and then packed.
This poses problems in terms of labor saving and is also an unsafe operation. In addition, in order to correct edge irregularities, it is necessary to insert a coil lifter into the inner diameter of the coil and lift it, which sometimes involves folding the edges of the packaging paper, which poses the problem of paper tearing.
ところでコイルのセンタリングを行うものとして実公昭
５６−４８４０３号公報に開示されているように、コイ
ル巻出機よりコイルを巻戻す際に、ガイドローラによっ
て巻戻されるコイルの両側からはさみ込んでコイルのセ
ンタリングを行い常にパス中心に送り出し、ドラム径拡
大手段によってコイルをしっかりとつかみバックテンシ
ランをかけた状態として巻戻し可能とするものが公知で
ある。By the way, as disclosed in Japanese Utility Model Publication No. 56-48403, a method for centering a coil is that when a coil is unwound from a coil unwinding machine, a guide roller pinches the unwound coil from both sides. It is known that the coil is centered and always fed to the center of the pass, and that the coil is firmly gripped by a drum diameter enlarging means and can be unwound with a back tensile run applied.
しかしながら、上記公報に開示されているものは、ライ
ン上に設置された巻戻機により巻戻しコイルのセンタリ
ングを行うものであり、巻取られたコイルを梱包作業場
等でコイル巻終わり端のコイル巻き不揃いを修正するも
のとはロ的、構成並びに効果が異なっており、コイル梱
包基等に運送されたコイルの不揃いを修正するのに適用
することは不可能である。However, the method disclosed in the above publication centers the unwound coil using an unwinding machine installed on the line, and the wound coil is wound at the end of the coil winding at a packing work place or the like. This method is different in terms of structure, structure, and effect from those for correcting irregularities, and cannot be applied to correcting irregularities in coils transported to coil packaging bases or the like.
本発明は上記従来技術の問題点を解消し、コイル梱包作
業場等で軽便に使用し得る巻取られたコイルのコイル巻
不揃い修正装置を提供することを目的とするものである
。SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems of the prior art and to provide a device for correcting irregularities in coil winding of a wound coil, which can be easily used in a coil packing workshop or the like.
〈課題を解決するための手段〉
上記目的を達成するための巻取られたコイル巻不揃い修
正方法は、リフトにより吊持されたコイルに対向してガ
イドフレーム上を前後進する一対の本体フレームにコイ
ル半径方向に放射状に伸びる複数個の拡縮用ネジ切りガ
イドロッドを設け、上記ガイドロッドにガイドされてコ
イル半径方向に拡縮自在に移動する拡縮体をコイル外径
に対応する位置まで移動させた後、上記拡縮体のコイル
対向側に押えシリンダによって伸縮自在に配設されたコ
イル巻き不揃い修正用の押え板をコイル外径部に向は繰
り出すことによってコイル巻き終わり端部の不揃いを修
正することを特徴とするものである。<Means for solving the problem> A method for correcting uneven windings of coils to achieve the above-mentioned purpose is to use a pair of main body frames that move back and forth on a guide frame facing the coil suspended by a lift. A plurality of threaded expansion/contraction guide rods are provided that extend radially in the radial direction of the coil, and the expansion/contraction body, which is guided by the guide rods and moves freely in the radial direction of the coil, is moved to a position corresponding to the outer diameter of the coil. The unevenness at the end of the coil winding is corrected by extending a holding plate for correcting uneven coil winding, which is extendable and retractable by a holding cylinder on the opposite side of the expandable body to the coil, toward the outer diameter of the coil. This is a characteristic feature.
本発明の方法では、コイル外径面に臨ませてコイル巻終
わり検出器を配設し、当該検出器によってコイル巻き終
わり端を検出し、上記巻き終わり端が最後に修正される
ようにコイル巻回の方向に沿って押え板を順次操り出す
ようにするのが好ましい。In the method of the present invention, a coil winding end detector is disposed facing the outer diameter surface of the coil, the detector detects the coil winding end, and the coil is wound so that the winding end is corrected last. It is preferable to move the presser plate sequentially along the direction of rotation.
また本発明の巻取られたコイルのコイル巻不揃い修正装
置は、リフトにより吊持されたコイルに対向してガイド
フレーム上を前後進する一対の本体フレームと、上記本
体フレームに支持されコイル半径方向に放射状に伸びる
複数個の拡縮用ネジ切りガイドロッドと、上記拡縮用ネ
ジ切りガイドロッドにガイドされてコイル外径に対応し
て半径方向に移動する拡縮体と、上記拡縮体のコイル対
向側に設けられた押えシリンダと、上記押えシリンダの
先端に設けられたコイル幅方向に移動可能なコイル巻き
不揃い修正用の押え板と、上記拡縮用ネジ切りガイド白
ツドの内側端部に設けられ上記拡縮体を拡縮するための
ギヤ機構と、上記ギャ機構に連結された駆動モータと、
コイル外径面に臨ませて配設したコイル巻終わり端検出
器とからなることを特徴としている。Further, the coil winding irregularity correcting device of the present invention includes a pair of main body frames that move back and forth on a guide frame opposite to the coil suspended by a lift, and a pair of main body frames that are supported by the main body frame and are arranged in the radial direction of the coil. a plurality of threaded guide rods for expansion/contraction extending radially from one side to the other, an expansion/contraction body that moves radially in accordance with the outer diameter of the coil guided by the threaded guide rods for expansion/contraction, and a side opposite to the coil of the expansion/contraction body. A presser cylinder is provided, a presser plate is provided at the tip of the presser cylinder for correcting coil winding irregularities and is movable in the width direction of the coil, and a presser plate is provided at the inner end of the expansion/contraction thread cutting guide white and the expansion/contraction guide plate is provided at the inner end of the white thread cutting guide for expansion/contraction. a gear mechanism for expanding and contracting the body; a drive motor connected to the gear mechanism;
It is characterized by comprising a coil winding end detector arranged facing the outer diameter surface of the coil.
く作 用〉
コイルをリフトにより吊持してコイル外周をフリーにし
た状態で、まず一対の本体フレームを前進させてコイル
の両側面に近づけたのち、駆動モータを駆動しギヤ機構
を介して拡縮用ネジ切りガイドロッドを回転させること
によって拡縮体をコイル外径に対応する位置まで移動さ
せる。Function: With the coil suspended by a lift and the outer periphery of the coil free, the pair of main body frames are first moved forward to approach both sides of the coil, and then the drive motor is driven to expand and contract via a gear mechanism. By rotating the threaded guide rod, the expandable body is moved to a position corresponding to the outer diameter of the coil.
引続き、拡縮体に設けられた押えシリンダを作動して押
え板を操り出し、コイル外周の巻きずれにより側方に飛
び出しているコイルエツジを押し付けてコイル不揃いを
修正する。Subsequently, the presser cylinder provided on the expansion/contraction body is operated to move the presser plate out, and the coil edge protruding to the side due to the winding misalignment on the outer periphery of the coil is pressed against it, thereby correcting the coil misalignment.
このとき複数個の押え板を同時に押し付けてコイル不揃
いを修正することもできるし、コイル巻き終わり端検出
器によりコイル巻終わり端を検出し、コイル巻終わり端
が最後に修正されるよう、巻回の方向に沿って押え板を
順次操り出して修正することもできる。At this time, it is possible to correct coil irregularities by pressing multiple holding plates at the same time, or the coil winding end detector detects the end of the coil winding, and the end of the coil winding is corrected at the end. It is also possible to make corrections by sequentially pulling out the presser plate along the direction of .
〈実施例〉 以下、本発明の実施例を図面に従うて説明する。<Example> Embodiments of the present invention will be described below with reference to the drawings.
第１図〜第４図において、ガイドフレーム２上を走行す
るフレーム本体１にはコイル半径方向に延びる複数個の
拡縮用ネジ切りガイドロッド３が設けられており、各ネ
ジ切りガイドロッド３にはそれぞれ拡縮体１３がネジ込
みによりセットされている。各拡縮体１３にはコイル１
２と対向する側に押えシリンダ６が設けてあり、押えシ
リンダ６の先端部には押え仮４が取付けである。1 to 4, a frame body 1 running on a guide frame 2 is provided with a plurality of threaded guide rods 3 for expansion/contraction extending in the radial direction of the coil. Each expansion/contraction body 13 is set by screwing. Each expansion/contraction body 13 has a coil 1
A presser cylinder 6 is provided on the side opposite to the presser cylinder 2, and a presser temporary 4 is attached to the tip of the presser cylinder 6.
ネジ切りガイドロッド３の内側端部には第３図に示すよ
うに駆動力伝達ギヤ９がそれぞれ設けられており、隣接
する駆動力伝達ギヤ９は互いに噛み合った状態になって
いる。従って隣接する駆動力伝達ギヤ９は次々と逆方向
に回転するので、この回転方向に対応させ、ネジ切りガ
イドロフト３のネジは相互に逆ネジを切ってあり、各拡
縮体１３が同方向に拡縮移動するようになっている。As shown in FIG. 3, driving force transmitting gears 9 are provided at the inner ends of the threaded guide rods 3, and adjacent driving force transmitting gears 9 are in mesh with each other. Therefore, since the adjacent driving force transmission gears 9 rotate in opposite directions one after another, the threads of the threaded guide loft 3 are threaded in opposite directions so that each expansion/contraction body 13 rotates in the same direction. It is designed to be scaled and moved.
ネジ切りガイドらラド３の１つには駆動力伝達ギヤ９の
他にもう１つ駆動力伝達ギヤ１０が設けられており、駆
動力伝達ギヤ１０は駆動モータ５の駆動ギヤ１４に噛み
合っている。なお７はコイル１２の巻き終わり端を検出
するためのタッチローラ式板端検出器、１１はコイル受
はサドル、１５はフレーム本体１に取付けられた車輪を
示している。In addition to the driving force transmitting gear 9, another driving force transmitting gear 10 is provided on one of the thread cutting guides 3, and the driving force transmitting gear 10 meshes with the driving gear 14 of the drive motor 5. . Note that 7 is a touch roller type plate end detector for detecting the end of winding of the coil 12, 11 is a coil receiver as a saddle, and 15 is a wheel attached to the frame body 1.
次に上記構成の本発明の作用について説明する。Next, the operation of the present invention having the above configuration will be explained.
コイル巻不揃いのあるコイル１２をリフト８によって吊
持した状態で、フレーム本体１を前進させてコイル１２
の側面に近づける。そして駆動モータ５を駆動し、駆動
ギヤ１４．駆動力伝達ギヤ１ｏおよび９を介して各ネジ
切りガイドロッド３を回転させることによって拡縮体１
３をコイル半径方向に移動させコイル１２の外径に対応
位置で停止させる。While the coil 12 with uneven coil windings is suspended by the lift 8, the frame body 1 is moved forward to remove the coil 12.
close to the side of the Then, the drive motor 5 is driven, and the drive gear 14. The expansion/contraction body 1 is rotated by rotating each threaded guide rod 3 via the driving force transmission gears 1o and 9.
3 is moved in the radial direction of the coil and stopped at a position corresponding to the outer diameter of the coil 12.
引続き拡縮体１３に設けた押えシリンダ６を作動して押
え板４を前進させコイル１２の外周から巻ずれして飛び
出しているコイル１２のエツジを幅方向に押し付けてコ
イル不揃いを修正する。Subsequently, the presser cylinder 6 provided on the expansion/contraction body 13 is operated to move the presser plate 4 forward to press the edges of the coil 12 that are protruding from the outer periphery of the coil 12 in the width direction, thereby correcting the irregularity of the coils.
このとき、複数個の押え板４をコイル１２の外周側面に
同時に押し付けてコイル不揃いを修正してもよいが、コ
イル１２の外周近傍に配設したタッチローラ式コイル巻
終わり端検出器７によってコイル１２の巻終わり端を検
出し、第４図に示すようにコイル巻終わり端１６が最後
に修正されるようにコイル巻終わり端１６に後続するコ
イル部分に相当する押え仮４からコイル巻回方向に沿っ
て■、■・・・■の順序で順次前進させコイル１２の外
周から飛び出しているコイル１２のエツジを幅方向に押
し付けてコイル不揃いを修正するのがコイルエツジの潰
れ防止の点から好ましい。なおコイル巻終わり端検出器
としては押え板内蔵式など適宜手段を用いることができ
る。At this time, the coil irregularities may be corrected by simultaneously pressing a plurality of presser plates 4 against the outer peripheral side of the coil 12. 12 is detected, and as shown in FIG. From the viewpoint of preventing the coil edges from collapsing, it is preferable to move the coils 12 forward in sequence in the order of ■, ■, . As the coil winding end detector, an appropriate means such as a built-in presser plate may be used.
〈発明の効果〉
以上説明したように、本発明によれば、簡便な手段によ
り作業員の手作業を要することなく省力化のもとにコイ
ルの巻ずれによるコイル外周のエツジ飛び出しを容易に
修正することができる。特にコイル巻き終わり端を検出
し、コイル巻終わり端部分が最後に押し付けられるよう
コイル巻終わり端に後続する部分からコイル巻回方向に
沿って順次押え仮によって修正すればコイルエツジの潰
れを発生させることなく容易に修正することができる。<Effects of the Invention> As explained above, according to the present invention, protruding edges on the outer periphery of the coil due to miswinding of the coil can be easily corrected by a simple means without requiring manual labor of the worker and with labor saving. can do. In particular, by detecting the end of the coil winding and correcting it with a presser in sequence along the coil winding direction from the part following the end of the coil winding so that the end of the coil winding is pressed last, the collapse of the coil edge can be caused. It can be easily corrected.
第１図は本発明の実施例を示す正面図、第２図は第１図
のＡ−Ａ矢視を示す側面図、第３図は第２図のＢ部の詳
細を示す拡大図、第４図はコイルの巻ずれの修正状況を
示す説明図である。
ｌ・・・フレーム本体、 ２・・・ガイドフレーム、
３・・・ネジ切りガイドロンド、
４・・・押え板、 ５・・・駆動モータ、６・
・・押えシリンダ、
７・・・コイル巻終わり端検出器、
８・・・コイルリフタ、 ９．１０・・・駆動力伝達ギ
ヤ、１１・・・コイル受はサドル、
１２・・・コイル、１３・・・拡縮体、１４・・・駆動
ギヤ、 １５・・・車 輪、１６・・・コイル巻終
わり端。
特許出願人 川崎製鉄株式会社FIG. 1 is a front view showing an embodiment of the present invention, FIG. 2 is a side view taken along arrow A-A in FIG. 1, FIG. 3 is an enlarged view showing details of section B in FIG. FIG. 4 is an explanatory diagram showing how the winding misalignment of the coil is corrected. l...Frame body, 2...Guide frame,
3... Thread cutting guide rond, 4... Holding plate, 5... Drive motor, 6...
... Presser cylinder, 7... Coil winding end detector, 8... Coil lifter, 9.10... Driving force transmission gear, 11... Coil receiver is saddle, 12... Coil, 13. ... Expansion/contraction body, 14... Drive gear, 15... Wheel, 16... End of coil winding. Patent applicant: Kawasaki Steel Corporation
Claims (1)
レーム上を前後進する一対の本体フレームにコイル半径
方向に放射状に伸びる複数個の拡縮用ネジ切りガイドロ
ッドを設け、上記ガイドロッドにガイドされてコイル半
径方向に拡縮自在に移動する拡縮体をコイル外径に対応
する位置まで移動させた後、上記拡縮体のコイル対向側
に押えシリンダによって伸縮自在に配設されたコイル巻
き不揃い修正用の押え板をコイル外径部に向け繰り出す
ことによってコイル巻き終わり端部の不揃いを修正する
ことを特徴とする巻取られたコイルのコイル巻不揃い修
正方法。 ２、コイル外径面に臨ませてコイル巻終わり検出器を配
設し、当該検出器によってコイル巻き終わり端を検出し
、上記巻き終わり端が最後に修正されるようにコイル巻
回の方向に沿って押え板を順次繰り出す請求項１記載の
方法。 ３、リフトにより吊持されたコイルに対向してガイドフ
レーム上を前後進する一対の本体フレームと、上記本体
フレームに支持されコイル半径方向に放射状に伸びる複
数個の拡縮用ネジ切りガイドロッドと、上記拡縮用ネジ
切りガイドロッドにガイドされてコイル外径に対応して
半径方向に移動する拡縮体と、上記拡縮体のコイル対向
側に設けられた押えシリンダと、上記押えシリンダの先
端に設けられたコイル幅方向に移動可能なコイル巻き不
揃い修正用の押え板と、上記拡縮用ネジ切りガイドロッ
ドの内側端部に設けられ上記拡縮体を拡縮するためのギ
ヤ機構と、上記ギヤ機構に連結された駆動モータと、コ
イル外径面に臨ませて配設したコイル巻終わり端検出器
とからなることを特徴とする巻取られたコイルのコイル
巻不揃い修正装置。[Claims] 1. A plurality of threaded guide rods for expansion/contraction extending radially in the radial direction of the coil are provided on a pair of main body frames that move back and forth on a guide frame facing the coil suspended by a lift, After the expandable body, which is guided by the guide rod and moves freely in the radial direction of the coil, is moved to a position corresponding to the outer diameter of the coil, the expandable body is telescopically disposed on the opposite side of the coil by a presser cylinder. A method for correcting irregularities in coil winding of a wound coil, which comprises correcting irregularities at the end of the coil winding by extending a presser plate for correcting irregularities in coil winding toward the outer diameter of the coil. 2. A coil winding end detector is arranged facing the outer diameter surface of the coil, the detector detects the coil winding end, and the winding end is adjusted in the direction of the coil winding so that the winding end is corrected last. 2. The method according to claim 1, wherein the presser plate is sequentially paid out along the line. 3. A pair of main body frames that move back and forth on a guide frame facing the coil suspended by a lift, and a plurality of threaded guide rods for expansion and contraction that are supported by the main body frames and extend radially in the radial direction of the coil; an expansion/contraction body that moves in a radial direction in accordance with the outer diameter of the coil while being guided by the expansion/contraction threaded guide rod; a presser cylinder provided on the opposite side of the coil of the expansion/contraction body; and a presser cylinder provided at the tip of the presser cylinder. a holding plate movable in the coil width direction for correcting uneven coil winding; a gear mechanism provided at the inner end of the expansion/contraction threaded guide rod for expanding/contracting the expansion/contraction body; and a gear mechanism connected to the gear mechanism. 1. A coil winding irregularity correcting device for a wound coil, characterized in that the device is comprised of a drive motor having a fixed diameter, and a coil winding end detector disposed facing the outer diameter surface of the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23622088A JPH0286533A (en) | 1988-09-22 | 1988-09-22 | Method and device for correcting coil winding unevenness of wound coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23622088A JPH0286533A (en) | 1988-09-22 | 1988-09-22 | Method and device for correcting coil winding unevenness of wound coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0286533A true JPH0286533A (en) | 1990-03-27 |
Family
ID=16997562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23622088A Pending JPH0286533A (en) | 1988-09-22 | 1988-09-22 | Method and device for correcting coil winding unevenness of wound coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0286533A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008137027A (en) * | 2006-11-30 | 2008-06-19 | Jfe Steel Kk | Device and method for correcting irregularity in strip winding |
| KR100854368B1 (en) * | 2002-07-29 | 2008-09-02 | 주식회사 포스코 | Apparatus with means for correcting telescope of the coil in consist of divided pressing plate in difference from the rotating distance |
| KR100862829B1 (en) * | 2002-07-04 | 2008-10-13 | 주식회사 포스코 | An apparatus for controlling the shape of winding of wire rod coil |
| KR100880578B1 (en) * | 2002-09-13 | 2009-01-30 | 주식회사 포스코 | Apparatus for catching and arraying the coil in the pay-off reel |
| CN104773556A (en) * | 2015-03-10 | 2015-07-15 | 丹阳市鼎新机械设备有限公司 | Ejection core mechanism of rewinding machine |
-
1988
- 1988-09-22 JP JP23622088A patent/JPH0286533A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100862829B1 (en) * | 2002-07-04 | 2008-10-13 | 주식회사 포스코 | An apparatus for controlling the shape of winding of wire rod coil |
| KR100854368B1 (en) * | 2002-07-29 | 2008-09-02 | 주식회사 포스코 | Apparatus with means for correcting telescope of the coil in consist of divided pressing plate in difference from the rotating distance |
| KR100880578B1 (en) * | 2002-09-13 | 2009-01-30 | 주식회사 포스코 | Apparatus for catching and arraying the coil in the pay-off reel |
| JP2008137027A (en) * | 2006-11-30 | 2008-06-19 | Jfe Steel Kk | Device and method for correcting irregularity in strip winding |
| CN104773556A (en) * | 2015-03-10 | 2015-07-15 | 丹阳市鼎新机械设备有限公司 | Ejection core mechanism of rewinding machine |
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