JP2003010916A - Automatic control device for multi-directional bending machine - Google Patents
Automatic control device for multi-directional bending machineInfo
- Publication number
- JP2003010916A JP2003010916A JP2001195016A JP2001195016A JP2003010916A JP 2003010916 A JP2003010916 A JP 2003010916A JP 2001195016 A JP2001195016 A JP 2001195016A JP 2001195016 A JP2001195016 A JP 2001195016A JP 2003010916 A JP2003010916 A JP 2003010916A
- Authority
- JP
- Japan
- Prior art keywords
- slide
- bending machine
- core metal
- control device
- automatic control
- 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
Landscapes
- Servomotors (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Control Of Presses (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、芯金を中心に放射
状に配置された複数の加圧スライド金具により線材を芯
金に押し当てて曲げ加工する多方向曲げ加工機械(一般
にフォーミングマシンと云われている)の自動制御装置
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multidirectional bending machine (generally called a forming machine) for bending a wire rod by pressing a wire rod against a core metal by a plurality of pressure slide fittings arranged radially around the core metal. It is related to the automatic control device.
【0002】[0002]
【従来の技術】多方向曲げ加工機械は、一般にフォーミ
ングマシンと云われているものであって、その基本的な
構成は以下に説明する通りのものである。図1はその多
方向曲げ加工機械の要部の一例を示す。2. Description of the Related Art A multi-directional bending machine is generally called a forming machine, and its basic construction is as described below. FIG. 1 shows an example of essential parts of the multi-directional bending machine.
【0003】図1において、矩形断面の芯金51に対し
て上部と下部及び左右の傾斜下部に4つの加圧スライド
金型61a.61b.61c.61dが放射方向に進退
移動するように配置され、線材wは線送り装置53によ
り一定長づつ線ガイド52から芯金51上に送り出され
る。4つの加圧スライド金型は夫々に独立した回転式カ
ム62.63.64.65により一定のストローク押動
され、その後ばね(図示省略)の力で元の位置へ引き戻
される。線ガイド52の先端口にはこの先端口を横切る
ように上下動するカッタ54が設けられている。In FIG. 1, there are four pressure slide molds 61a. 61b. 61c. 61d is arranged so as to move forward and backward in the radial direction, and the wire rod w is sent by the wire feed device 53 from the wire guide 52 onto the cored bar 51 by a constant length. The four pressurizing slide molds are pushed by a constant stroke by independent rotary cams 62.63.64.65 and then returned to their original positions by the force of a spring (not shown). A cutter 54 that moves up and down is provided at the tip opening of the line guide 52 so as to cross the tip opening.
【0004】線材wが芯金51上に送り出されると、最
初にカッタ54が下降して切断し、同時に上部の加圧ス
ライド金型61aが下降して芯金51に嵌合すると一定
長さの線材は下向きコ字形に曲げ加工され、次いで左右
傾斜下部の加圧スライド金型61c.61dにより両角
部が形成され、最後に下部の加圧スライド金型61bが
上向きに移動して整形を行うと、図2中(イ)に示すよ
うな角形の薄板ばねが形成される。When the wire rod w is sent out onto the cored bar 51, the cutter 54 first descends and cuts, and at the same time, the upper pressure slide mold 61a descends and is fitted into the cored bar 51, so that a certain length is obtained. The wire is bent downward into a U shape, and then the pressure slide die 61c. Both corners are formed by 61d, and finally, when the lower pressure slide mold 61b is moved upward for shaping, a rectangular thin leaf spring as shown in FIG. 2A is formed.
【0005】加圧スライド金型及び芯金等を取替えると
同時に進退移動するカムを取替えてその調整等を行うこ
とで図2中(ロ)(ハ)(ニ)(ホ)に示すような様々
の製品を曲げ加工できるものである。By replacing the pressurizing slide mold and the core bar and the like, the cam moving forward and backward is replaced at the same time, and the adjustment thereof is performed, so that various kinds as shown in (b), (c), (d) and (e) of FIG. The product can be bent.
【0006】[0006]
【発明が解決しようとする課題】上記したように従来の
多方向曲げ加工機械においては、一つの芯金に対して芯
金を含む複数の各種加圧スライド金型が夫々に対応する
ように設けられた加圧カムによって進退移動するように
規定され、且つ夫々の加圧スライド金型は機械本体側に
固定されたスライドに夫々個別に取付けられているため
に、加圧スライド金型及び加圧カムの交換を行う作業が
非常に面倒で時間を要し、而も交換後においてもカムの
タイミング合せ、金型取付位置合せ、材料送り量合せ等
製品形状変更に伴う一連の諸作業は熟練した技術者でも
感と経験に頼る手作業で困難を極め、従って相当に長い
時間と労力を必要とするものであった。As described above, in the conventional multidirectional bending machine, a plurality of various pressure slide molds including the cored bar are provided so as to correspond to one cored bar. It is regulated to move back and forth by the pressure cams, and each pressure slide mold is individually attached to the slide fixed to the machine body side. The work of changing the cam is very troublesome and time-consuming, and even after the change, a series of works such as the cam timing adjustment, die attachment position adjustment, material feed amount adjustment, and other changes in the product shape were experienced. Even technicians were extremely difficult to do by hand, relying on their feelings and experience, and thus required a considerable amount of time and effort.
【0007】上記の実情に鑑み加圧カムの代りに、サー
ボモータを利用した加圧スライド金型等のスライド方式
が知られている。しかし、サーボモータによる方式では
スライド間隙を微妙に縮少したい時等には寸法巾が大き
い単位でしか調整できず、多方向曲げ加工機械として問
題があった。In view of the above situation, a slide system such as a pressure slide mold utilizing a servo motor is known in place of the pressure cam. However, in the method using a servo motor, when it is desired to slightly reduce the slide gap, adjustment can be made only in units of large size width, which is a problem as a multi-directional bending machine.
【0008】本発明の目的は、加圧カムによる方式を無
くして複数の加圧スライド金型の交換及びスライド調
整、タイミング合せ等の一連の作業を簡単迅速に短時間
で行うとともに、熟練を要する感と経験に頼る手作業を
少なくし、コンピュータ制御で高精度の調整を可能にし
た多方向曲げ加工機械の自動制御装置を提供することに
ある。An object of the present invention is to perform a series of operations such as exchanging a plurality of pressure slide molds, slide adjustment, and timing adjustment simply and quickly in a short time without using a pressure cam system, and requires skill. It is an object of the present invention to provide an automatic control device for a multi-directional bending machine that enables highly accurate adjustment by computer control while reducing manual work that relies on feeling and experience.
【0009】[0009]
【課題を解決するための手段】上記課題を解決するため
に本発明は、機械本体の中心位置に設置された1つの芯
金と、この芯金に対して遠近移動するように該芯金の周
わりに放射状に配置された複数の加圧スライド金型とよ
りなり、前記芯金上に送り込まれた線材を前記各加圧ス
ライド金型で芯金に押し当てて曲げ加工する多方向曲げ
加工機械において、前記芯金等を含む各加圧スライド金
型に油圧サーボシリンダと、この油圧サーボシリンダの
移動量を検知する電気信号発信リニアスケールと、さら
に前記油圧サーボシリンダの切換を行い且つコンピュー
タで制御するサーボ弁とを設けてなることを特徴とする
ものである。In order to solve the above-mentioned problems, the present invention is directed to one cored bar installed at the central position of the machine body and to the cored bar so that the cored bar is moved far and far with respect to the cored bar. A multi-directional bending machine that is composed of a plurality of pressure slide dies radially arranged around the circumference and bends wire rods fed onto the core bar by pressing the wire rod against the core bar with each of the pressure slide dies. In each of the pressurizing slide molds including the core metal, a hydraulic servo cylinder, an electric signal transmitting linear scale for detecting the moving amount of the hydraulic servo cylinder, and the hydraulic servo cylinder are switched and controlled by a computer. And a servo valve that operates.
【0010】上記構成の多方向曲げ加工機械の自動制御
装置では、コンピュータの指示でサーボ弁、油圧シリン
ダが作動して夫々の加工スライド金型をスライド移動さ
せることができる。油圧シリンダの移動量は電気信号発
信リニアスケールで検知され、コンピュータで制御され
るため常に適正な移動量が保証される。In the automatic controller for the multi-directional bending machine having the above-mentioned structure, the servo valve and the hydraulic cylinder can be operated by the instruction of the computer to slide the respective working slide molds. The moving amount of the hydraulic cylinder is detected by an electric signal transmitting linear scale and is controlled by a computer, so that an appropriate moving amount is always guaranteed.
【0011】本発明は、加圧スライド金型の全てを基準
板上のスライド溝に配置し、スライド溝に沿って各加圧
スライド金型が進退移動できるように一体型に構成して
なる特徴とする。斯る構成により全ての加圧スライド金
型は基準板上のスライド溝に案内されてスライド移動す
る一体型構造であるため、線送りや材料押え、切断装置
を含む全ての加圧スライド金型の交換及び夫々のスライ
ド移動の調整作業を簡単迅速に行うことが可能となる。According to the present invention, all of the pressure slide molds are arranged in slide grooves on the reference plate, and the pressure slide molds are integrally formed so as to be able to move back and forth along the slide grooves. And With this configuration, all the pressure slide molds have an integrated structure that slides while being guided by the slide grooves on the reference plate, so that all the pressure slide molds including the line feed, material presser, and cutting device can be used. It becomes possible to easily and quickly perform the replacement work and the adjustment work of each slide movement.
【0012】また、本発明では、前記加圧スライド金型
と油圧シリンダ側のスライダとの連結部を凹部と凸部に
より凹凸嵌合方式に構成することが好ましい。Further, in the present invention, it is preferable that the connecting portion between the pressurizing slide die and the slider on the hydraulic cylinder side is formed into a concave and convex fitting method by a concave portion and a convex portion.
【0013】上記構成によれば、加圧スライド金型のス
ライド側端部が凹凸の噛み合わせのみで簡単.迅速に油
圧サーボシリンダとの連結を行うことができ作業性が向
上する。According to the above configuration, the slide side end of the pressurizing slide mold is simply formed by engaging the concave and convex portions. The hydraulic servo cylinder can be quickly connected to improve workability.
【0014】[0014]
【発明の実施の形態】以下、添付図面を参照して本発明
の好ましい実施例を説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
【0015】[0015]
【実施例】図3乃至図5は本発明の多方向曲げ加工機械
を示したものであり、図3はその要部の一例を示し、図
4はその他の一例を示している。図5は加圧スライド金
型の連結部と自動制御装置を模式的に示したものであ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 3 to 5 show a multi-directional bending machine of the present invention. FIG. 3 shows an example of essential parts thereof and FIG. 4 shows another example. FIG. 5 schematically shows the connection part of the pressure slide mold and the automatic control device.
【0016】図3について説明すると、中心位置に軸方
向に進退移動可能に設置された四角形断面の芯金10と
この芯金に対して放射方向に進退移動するように複数の
加圧スライド金型11を設けたものである。この加圧ス
ライド金型は芯金10の上部と下部、及び左右の傾斜下
部に配置するように第1.第2.第3.及び第4の4つ
の金型11a.11b.11c.11dからなってい
る。この第1〜第4の金型11と1つの芯金10により
図2中(イ)に示す四角形状の薄板ばねが曲げ加工され
る。Referring to FIG. 3, a cored bar 10 having a quadrangular cross section, which is installed at a central position so as to be movable back and forth in the axial direction, and a plurality of pressure slide molds so as to move back and forth in a radial direction with respect to the cored bar. 11 is provided. This pressurizing slide die is arranged so that it is placed on the upper and lower portions of the cored bar 10 and on the left and right inclined lower portions. Second. Third. And the fourth four molds 11a. 11b. 11c. It consists of 11d. The rectangular thin leaf spring shown in FIG. 2A is bent by the first to fourth molds 11 and one core metal 10.
【0017】図4は、中心位置に設置された横長の矩形
断面の芯金10に対して上部と左右両側に第1.第2.
第3の3つの加圧スライド金型11e.11f.11g
を進退移動するように設けることよって、図2中(ロ)
に示すような脚付きの角形薄板ばねを曲げ加工するもの
である。FIG. 4 is a view showing a core metal 10 having a horizontally long rectangular cross section installed at a central position, which is located on the upper side and the left and right sides of the core 1. Second.
Third three pressure slide molds 11e. 11f. 11g
By setting up so as to move forward and backward, (b) in Fig. 2
The square thin leaf spring with legs as shown in Fig. 3 is bent.
【0018】線材wは、線送り装置(図示省略)により
一定長さづつ間欠送りされ、線ガイド18の先端口から
芯金10上に送り出される。線ガイド18の先端口には
該先端口を上下方向に横切るように切断装置(カッタ
ー)19が設けられている。The wire w is intermittently fed by a wire feeding device (not shown) by a constant length, and is fed onto the core metal 10 from the tip end of the wire guide 18. A cutting device (cutter) 19 is provided at the tip opening of the wire guide 18 so as to cross the tip opening in the vertical direction.
【0019】金型を取付けるための基準板12は、基準
板上に全ての加工スライド金型11を配置するスライド
溝を設けて、このスライド溝に夫々の金型を嵌挿するこ
とで溝の案内に沿って各金型が進退移動できる一体型の
ものとなし、この一体型の金型を取り換えることにより
金型交換を簡単に行うことが可能となる。基準板12に
は夫々の加圧スライド金型11を固定又は仮固着の状態
に保持するための止ねじ20が設けられている。この止
ねじ20の作用については後述する。The reference plate 12 for mounting the dies is provided with slide grooves for arranging all the processing slide dies 11 on the reference plate, and the respective dies are fitted into the slide grooves to form the grooves. It is possible to easily perform die exchange by replacing each die with an integral type that can move back and forth along the guide and by exchanging the integrated die. The reference plate 12 is provided with a set screw 20 for holding each pressure slide mold 11 in a fixed or temporarily fixed state. The operation of the set screw 20 will be described later.
【0020】油圧サーボシリンダ13は、上記芯金10
及び線送り装置を含む各加圧スライド金型11の夫々に
スライダ16を介して個別に連結され、スライダ16と
加圧スライド金型11等の連結部17は図4及び図5に
示すように凹凸嵌合による方式とされている。The hydraulic servo cylinder 13 includes the core metal 10 described above.
And each pressurizing slide mold 11 including the wire feeding device are individually connected via a slider 16, and the slider 16 and the connecting part 17 such as the pressurizing slide mold 11 are connected as shown in FIGS. 4 and 5. It is said to be a method that uses concave and convex fitting.
【0021】芯金10は固定式の場合もあるが、曲げ加
工しようとする製品によっては、突出位置から後退位置
へ没入するように、進退移動させて他の加圧スライド金
型とのタイミングで目的に合わせた製品(例えば図2中
(ハ)(ニ)に示すような板ばね)を形成することもあ
る。従ってこのような芯金に対しては、スライドを介し
て油圧サーボシリンダに連結し、サーボシリンダにより
スライド移動させるものである。The cored bar 10 may be a fixed type, but depending on the product to be bent, the cored bar 10 is moved forward and backward so as to be retracted from the protruding position to the retracted position, and at a timing with another pressure slide mold. A product suitable for the purpose (for example, a leaf spring as shown in (c) and (d) of FIG. 2) may be formed. Therefore, such a cored bar is connected to a hydraulic servo cylinder through a slide and is slid by the servo cylinder.
【0022】上記油圧サーボシリンダ13はコンピュー
タ21で制御するサーボ弁15に接続されて、該サーボ
弁の切換えによりピストンロッドを押出し又は引行する
ようにタイミングを合せて動作するものである。The hydraulic servo cylinder 13 is connected to a servo valve 15 which is controlled by a computer 21, and operates at the same timing so as to push or pull the piston rod by switching the servo valve.
【0023】また、この油圧サーボシリンダ13に電気
信号発信リニアスケール14を併設しこれにより油圧サ
ーボシリンダの移動量を検知する。電気信号発信リニア
スケール14にはコンピュータ22が接続されて、該リ
ニアスケール14の動きを記録し、又サーボ弁に指示を
与えて一連の動作を監視し且つ制御する。Further, an electric signal transmission linear scale 14 is provided alongside the hydraulic servo cylinder 13 to detect the moving amount of the hydraulic servo cylinder. A computer 22 is connected to the electrical signal transmission linear scale 14 to record the movement of the linear scale 14 and also to instruct the servo valve to monitor and control a series of operations.
【0024】前記芯金10等を含む加圧スライド金型1
1と油圧サーボシリンダ13側のスライド16との連結
部17は図5に示すように一方を凹形、他方を凸形に形
成して凹凸嵌合式に連結されているために、軸方向(ス
ライド方向)に対して一体であるが、軸と直交する方向
(上下方向)に対してはフリーであるから分離及び結合
をワンタッチで行うことができる。例えば加圧スライド
金型をコンピュータで決めその位置が動かないように止
ねじ20で基準板12に仮固着し、この状態で取外せば
再び取付ける際に簡単に凹凸嵌合で結合することができ
る。A pressure slide mold 1 including the core 10 and the like.
As shown in FIG. 5, the connecting portion 17 of the slide 1 on the hydraulic servo cylinder 13 side is formed in a concave shape on one side and a convex shape on the other side. However, since it is free in the direction orthogonal to the axis (vertical direction), separation and connection can be performed with one touch. For example, a pressure slide mold is determined by a computer and temporarily fixed to the reference plate 12 with a set screw 20 so that its position does not move, and if it is removed in this state, it can be easily joined by concavo-convex fitting when reattached. .
【0025】[0025]
【発明の効果】以上の説明から明らかなように、本発明
は芯金を中心に放射方向に配置された複数の加圧スライ
ド金型により線材を芯金に押し付けて曲げ加工する多方
向曲げ加工機械において、一定長さづつ線材を送り出す
線送り装置や材料押え、切断装置及び芯金の出し入れ等
を含む複数の加圧スライド金型のスライド移動とタイミ
ングを油圧サーボシリンダとシリンダの移動量を電気信
号発信リニアスケールで検知し、油圧サーボ弁とコンピ
ュータで制御するものであり、従来のようなカム方式を
採用しない為加工製品の種別や形状等の変更を、短時間
で簡単に行うことが可能である。また、本発明は加圧ス
ライド金型の全てを基準板上のスライド溝に配置しスラ
イド溝の案内に沿って各金型が移動できる一体型構造と
したことによって、金型交換をスピーディに簡単に行う
ことが可能となった。さらに、本発明では、金型と油圧
サーボシリンダ側のスライドとの連結部を凹凸嵌合によ
り結合するものであるから金型交換の際の連結を自動化
することが可能である。As is apparent from the above description, the present invention is a multi-directional bending process in which a wire rod is pressed against a core metal by a plurality of pressure slide dies radially arranged around the core metal to perform bending. In the machine, the hydraulic servo cylinder and the amount of movement of the cylinder are electrically controlled by the slide movement and timing of a plurality of pressure slide dies including the wire feeding device that feeds the wire material by a fixed length, the material presser, the cutting device, and the loading and unloading of the cored bar. The signal transmission is detected by the linear scale and controlled by the hydraulic servo valve and computer. Since the conventional cam system is not adopted, the type and shape of the processed product can be changed easily in a short time. Is. Further, according to the present invention, all of the pressure slide molds are arranged in the slide grooves on the reference plate, and the molds can be moved along the guides of the slide grooves, so that the molds can be replaced easily and easily. It became possible to do it. Further, according to the present invention, since the connecting portion between the die and the slide on the hydraulic servo cylinder side is joined by concavo-convex fitting, it is possible to automate the connection when exchanging the die.
【図1】従来の多方向曲げ加工機械の要部の正面図であ
る。FIG. 1 is a front view of a main part of a conventional multidirectional bending machine.
【図2】(イ)(ロ)(ハ)(ニ)(ホ)は多方向曲げ
加工機械で製作された製品を示す斜視図である。2 (a), (b), (c), (d), and (e) are perspective views showing products manufactured by a multidirectional bending machine.
【図3】本発明の多方向曲げ加工機械の要部の正面図で
ある。FIG. 3 is a front view of a main part of the multidirectional bending machine of the present invention.
【図4】本発明のその他の実施例を示す要部の正面図で
ある。FIG. 4 is a front view of a main part showing another embodiment of the present invention.
【図5】本発明の実施例を示すもので、加圧スライド金
型とスライド連結部を含むブロック図である。FIG. 5 shows an embodiment of the present invention and is a block diagram including a pressure slide mold and a slide connecting portion.
10 芯金 11 加圧スライド金型 12 基準板 13 油圧サーボシリンダ 14 電気信号発信リニアスケール 15 油圧サーボ弁 16 スライダ 17 連結部 10 core metal 11 Pressure slide mold 12 Reference plate 13 Hydraulic servo cylinder 14 Electric signal transmission linear scale 15 Hydraulic servo valve 16 sliders 17 Connection
Claims (3)
芯金(10)と、この芯金(10)に対して遠近移動す
るように該芯金の周わりに放射状に配置された複数の加
圧スライド金型(11)とよりなり、前記芯金(10)
上に送り込まれた線材(w)を前記各加圧スライド金型
(11)で芯金(10)に押し当てて曲げ加工する多方
向曲げ加工機械において、前記芯金(10)等を含む各
加圧スライド金型(11)に油圧サーボシリンダ(1
3)と、この油圧サーボシリンダの移動量を検知する電
気信号発信リニアスケール(14)と、さらに前記油圧
サーボシリンダ(13)の切換を行い且つコンピュータ
で制御するサーボ弁(15)とを設けてなることを特徴
とする多方向曲げ加工機械の自動制御装置。1. A cored bar (10) installed at a central position of a machine body, and a plurality of radially arranged around the cored bar so that the cored bar (10) can move far and near. A pressure slide mold (11), and the core metal (10)
In a multi-directional bending machine for bending the wire rod (w) fed onto the core metal (10) by pressing with the pressure slide molds (11), each of the core metal (10) and the like is included. The hydraulic slide cylinder (1
3), an electric signal transmitting linear scale (14) for detecting the moving amount of the hydraulic servo cylinder, and a servo valve (15) for switching the hydraulic servo cylinder (13) and controlling by a computer. An automatic control device for a multi-directional bending machine.
基準板(12)上のスライド溝に配置し、スライド溝に
沿って各加圧スライド金型が進退移動できるように一体
型に構成してなる請求項1記載の多方向曲げ加工機械の
自動制御装置。2. All of the pressure slide molds (11) are arranged in a slide groove on a reference plate (12), and are integrated so that each pressure slide mold can move back and forth along the slide grooves. The automatic control device for a multidirectional bending machine according to claim 1, which is configured.
リンダ(13)側のスライダ(16)との連結部(1
7)を凹部と凸部により凹凸嵌合方式に構成してなる請
求項1記載の多方向曲げ加工機械の自動制御装置。3. A connecting portion (1) between the pressure slide mold (11) and a slider (16) on the hydraulic cylinder (13) side.
The automatic control device for a multi-directional bending machine according to claim 1, wherein 7) is configured by a concave and convex portion so as to form a concave-convex fitting system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001195016A JP2003010916A (en) | 2001-06-27 | 2001-06-27 | Automatic control device for multi-directional bending machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001195016A JP2003010916A (en) | 2001-06-27 | 2001-06-27 | Automatic control device for multi-directional bending machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2003010916A true JP2003010916A (en) | 2003-01-15 |
Family
ID=19033060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001195016A Pending JP2003010916A (en) | 2001-06-27 | 2001-06-27 | Automatic control device for multi-directional bending machine |
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JP (1) | JP2003010916A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015128996A1 (en) * | 2014-02-27 | 2015-09-03 | Ykk株式会社 | Machine for forming stopper leaf spring |
TWI625108B (en) * | 2017-04-24 | 2018-06-01 | Ykk Corp | Replacement method of molding machine and mandrel |
TWI649135B (en) * | 2017-04-18 | 2019-02-01 | Ykk股份有限公司 | Forming machine, forming method of metal material, and manufacturing method of stop hook member |
TWI649136B (en) * | 2017-04-18 | 2019-02-01 | Ykk股份有限公司 | Forming machine, forming method of metal material, and manufacturing method of stop hook member |
TWI677382B (en) * | 2017-04-25 | 2019-11-21 | 日商Ykk股份有限公司 | Processing machine and processing method |
-
2001
- 2001-06-27 JP JP2001195016A patent/JP2003010916A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015128996A1 (en) * | 2014-02-27 | 2015-09-03 | Ykk株式会社 | Machine for forming stopper leaf spring |
CN105142455A (en) * | 2014-02-27 | 2015-12-09 | Ykk株式会社 | Machine for forming stopper leaf spring |
TWI587938B (en) * | 2014-02-27 | 2017-06-21 | Ykk股份有限公司 | Forming machine of stopping plate spring |
CN105142455B (en) * | 2014-02-27 | 2017-11-28 | Ykk株式会社 | Flat spring forming machine is used in stopping |
TWI649135B (en) * | 2017-04-18 | 2019-02-01 | Ykk股份有限公司 | Forming machine, forming method of metal material, and manufacturing method of stop hook member |
TWI649136B (en) * | 2017-04-18 | 2019-02-01 | Ykk股份有限公司 | Forming machine, forming method of metal material, and manufacturing method of stop hook member |
TWI625108B (en) * | 2017-04-24 | 2018-06-01 | Ykk Corp | Replacement method of molding machine and mandrel |
TWI677382B (en) * | 2017-04-25 | 2019-11-21 | 日商Ykk股份有限公司 | Processing machine and processing method |
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