JP2006130551A - Method and apparatus for manufacturing spiral wire - Google Patents

Method and apparatus for manufacturing spiral wire Download PDF

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JP2006130551A
JP2006130551A JP2004325508A JP2004325508A JP2006130551A JP 2006130551 A JP2006130551 A JP 2006130551A JP 2004325508 A JP2004325508 A JP 2004325508A JP 2004325508 A JP2004325508 A JP 2004325508A JP 2006130551 A JP2006130551 A JP 2006130551A
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wire
groove
spiral
die
cylinder
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Takemi Tsutsumino
武美 堤野
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Taihei Machinery Works Ltd
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Taihei Machinery Works Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To manufacture a spiral wire the center axial line of the spiral of which is a straight line by a simple method or apparatus. <P>SOLUTION: A cylindrical body die 4 having a spiral groove on the outer circumferential surface is concentrically inserted into the inside of a cylinder 3a, both are fixed to each other and a wire is fed into the spiral groove of the die in the state where the whole is fixed to the floor. The die 4 has a detent head in one end part of the cylinder main body which is concentrically inserted into the inside of a holder cylinder and a straight groove in the wire introducing part and the spiral groove continued to the straight groove on the outer circumferential surface of the cylinder main body. A guide member 5 which is attached freely attachably and detachably to one end of the holder cylinder by engaging the detent head with a recessed part and has a concentric wire guide hole 5d is provided on the inlet of the groove of the die. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、らせん線材の製造方法および装置に関するものである。   The present invention relates to a method and an apparatus for manufacturing a helical wire.

従来、土木建築用構造物，自動車用タイヤの補強材等に利用されている鋼線は直線状の線材を複数束ねた構造で使用されている。このような線材に対し、生物組織体が有する強靭性および新陳代謝機能に着目し、該生物組織体を構成するコラーゲン繊維を人工的に形成したらせん体を使用し、小型化および軽量化を図りながら高い強靭性を得ると共に寿命を永続化できる構成物を提供するらせん線材が開発されている。（特開平８−２９１５８７号公報（特許第３２４９０３０号））   Conventionally, steel wires used for civil engineering structures, automobile tire reinforcements, and the like are used in a structure in which a plurality of linear wires are bundled. For such wires, focusing on the toughness and metabolic function of the biological tissue, using a helical body that artificially forms collagen fibers constituting the biological tissue, while reducing the size and weight Spiral wires have been developed that provide a composition that provides high toughness and can last a lifetime. (Japanese Patent Laid-Open No. 8-291586 (Patent No. 3249030))

そして、このようならせん線材に、任意の線材長手方向のピッチ、それに直角な面内のらせん半径を持たせる、高能率かつ高制御性を有する方法および装置を、先に本出願人の発明者等が開発した。（特開２００３−２７５８０２公報）   A method and apparatus having high efficiency and high controllability, in which the helical wire is provided with an arbitrary pitch in the longitudinal direction of the wire and a helical radius in a plane perpendicular to the longitudinal direction, was previously invented by the present inventor. Etc. developed. (Japanese Patent Laid-Open No. 2003-275802)

この先行技術は、前段および後段の２段からなり、前段および後段の各パスラインは互いに角度を有するダイス部と、前段の入側に設けた前段パスライン方向に線材を押し込むための材料押し込み装置と、前段パスラインに垂直な面内で前段を回転させる機構とを有する。そして、押し込み速度、前段回転速度および角度を調整することにより、線材のｘ軸，ｙ軸方向のオフセット量のパスライン方向にわたる分布を自在に制御して、任意のピッチおよびらせん半径のらせん線材を得るものである。
特開平８−２９１５８７号公報 特開２００３−２７５８０２公報 This prior art is composed of two stages, a front stage and a rear stage, and each of the pass lines of the front stage and the rear stage has a die part having an angle with each other, and a material pushing device for pushing the wire in the front pass line direction provided on the entrance side of the front stage And a mechanism for rotating the front stage in a plane perpendicular to the front stage pass line. Then, by adjusting the indentation speed, the pre-stage rotation speed, and the angle, the distribution of the offset amount of the wire in the x-axis and y-axis directions over the pass line direction can be freely controlled, and a helical wire with an arbitrary pitch and helical radius can be controlled. To get.
Japanese Patent Laid-Open No. 8-291588 JP 2003-275802 A

しかしながら、このような先行技術では、装置が大掛かりとなるとともに、回転ダイスから出て来たらせん線材はダイスの回転に伴って旋回しながら出てくる。このため、製品としてのらせん線材はらせん中心軸線が直線性を保つことが難しい。このため、らせん中心軸線を直線にするため後工程を必要としていた。
本発明は上記課題を解決し、簡単な方法・装置で、らせん中心軸線が直線となるらせん線材を製造できるらせん線材の製造方法および装置を提供することを目的とする。 However, in such a prior art, the apparatus becomes large, and when it comes out of the rotating die, the spiral wire comes out while turning as the die rotates. For this reason, it is difficult for the spiral wire as a product to keep the spiral center axis straight. For this reason, a post-process is required to make the spiral central axis straight.
An object of the present invention is to solve the above-mentioned problems and to provide a method and an apparatus for producing a helical wire that can produce a helical wire having a straight spiral central axis with a simple method and apparatus.

本発明の第１課題解決手段の方法は、外円周面にらせん溝をもつ円柱体ダイスをシリンダーの内側に同心に挿入し、両者を互いに固定し、かつ、全体を床に対し固定した状態で、線材を前記ダイスのらせん溝に送り込むことである。   In the first problem solving means of the present invention, a cylindrical die having a spiral groove on the outer circumferential surface is inserted concentrically inside the cylinder, the two are fixed to each other, and the whole is fixed to the floor. Then, the wire rod is fed into the spiral groove of the die.

本発明の第２課題解決手段の装置は、基台に固定された取付円環と、該取付円環に同心に固定されたシリンダーをもつホルダーと、該ホルダーシリンダーの内側に同心に挿入される円柱本体の一端部に回り止め頭部をもち、線材導入部に直線溝、および該直線溝に続くらせん溝を前記円柱本体の外円周面にをもつダイスと、前記回り止め頭部を凹所に係合させて前記ホルダーシリンダーの一端に着脱自在に取り付けられ、かつ、前記ダイスの溝入口に同心の線材案内孔をもつ案内部材とを含むことである。   The apparatus of the second problem solving means of the present invention is an insertion ring fixed to a base, a holder having a cylinder concentrically fixed to the attachment ring, and inserted concentrically inside the holder cylinder. A die having a non-rotating head at one end of the cylindrical body, a linear groove in the wire introduction part, and a spiral groove following the linear groove on the outer circumferential surface of the cylindrical body, and a concave in the rotating head And a guide member that is detachably attached to one end of the holder cylinder and that has a concentric wire guide hole at the groove entrance of the die.

本発明の第３課題解決手段の装置は、第２課題解決手段に加え、前記溝は、軸直角断面において、直径上に溝底の半円弧状の中心が位置し、半円弧状底から直径に平行な側壁をもつことである。   According to a third problem solving means of the present invention, in addition to the second problem solving means, the groove has a semicircular arc center of the groove bottom located on the diameter in a cross section perpendicular to the axis, and the diameter from the semicircular arc bottom to the diameter. Have side walls parallel to the surface.

本発明の第４課題解決手段は、第２または第３課題解決手段に加え、前記らせん溝の長さ方向軸線の、ダイス中心軸線に対する捻り角度は、前記線材導入部の直線溝の端部で“０”度から少しづつ増加し、線材導出部の端部を含む範囲で一定となることである。   According to a fourth problem solving means of the present invention, in addition to the second or third problem solving means, the twist angle of the longitudinal axis of the spiral groove with respect to the die center axis is determined at the end of the linear groove of the wire introducing portion. It increases little by little from “0” degree and becomes constant in a range including the end of the wire lead-out portion.

本発明の第５課題解決手段は、第２または第３または第４課題解決手段に加え、前記ホルダーシリンダーは外側のものと内側のものからなり、外側のものに内側のものが線材送り方向に抜止めされて、着脱自在に挿入されたことである。   According to a fifth problem solving means of the present invention, in addition to the second, third or fourth problem solving means, the holder cylinder is composed of an outer one and an inner one, and the inner one in the outer one is in the wire feed direction. That is, it was secured and inserted detachably.

本発明では、円柱の外周にらせん溝を設けたダイスを使用するので、らせん溝の加工がＮＣ複合旋盤等により容易である。また、らせん溝のひねり角度を徐々に変化させる加工も可能となった。しかも、らせん溝の捻り角度を徐々に変化させた場合、線材の送り抵抗を少なくできる。そして、ダイスから出てくるらせん線材は直線を維持して送り出されるので、後工程でのらせん線材の編網が簡略化できることとなった。   In the present invention, since a die having a spiral groove on the outer periphery of a cylinder is used, the spiral groove can be easily processed by an NC composite lathe or the like. In addition, it is possible to gradually change the twist angle of the spiral groove. Moreover, when the twist angle of the spiral groove is gradually changed, the feeding resistance of the wire can be reduced. And since the helical wire which comes out of a die | dye is sent out maintaining a straight line, the knitting net | network of the helical wire in the post process could be simplified.

以下に、本発明の一実施例を図面もとづき説明する。図１，２に示すように、基台１に取付円環２がボルトで着脱自在に支持される。取付円環２は水平軸線を持つ短円筒部２ａの一端にフランジ部２ｂが一体形成される。そして、この短円筒部２ａの他端にホルダー３がボルトで着脱自在に支持される。ホルダー３において、水平軸線をもつシリンダー３ａの一端に大径の位置決め円板部３ｂが一体形成されている。取付フランジ部３ｃは位置決め円板部３ｂの外周から一体的に張り出し、取付円環２にボルトで着脱自在に取り付けられる。   Hereinafter, an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, a mounting ring 2 is detachably supported by a base 1 with bolts. In the mounting ring 2, a flange portion 2b is integrally formed at one end of a short cylindrical portion 2a having a horizontal axis. The holder 3 is detachably supported by a bolt at the other end of the short cylindrical portion 2a. In the holder 3, a large-diameter positioning disc portion 3b is integrally formed at one end of a cylinder 3a having a horizontal axis. The mounting flange portion 3c integrally projects from the outer periphery of the positioning disc portion 3b and is detachably attached to the mounting ring 2 with bolts.

図１，４，５において、ダイス４はシリンダー３ａの内側に同心に挿入される。ダイス４は、同一軸線上で円柱本体４ａの一端部に回り止め頭部４ｂをもち、円周面に、線材を案内する溝４ｃ，４ｄ，４ｅが設けらている。前記頭部４ｂは短円柱体の直径に平行する一対の２弦で切除された小判形状を呈する。そして、該頭部と前記円柱本体の一部にわたり直線溝４ｃ、これに続いて前記円柱本体の外円周面にらせん溝４ｄ，４ｅをもつ。   1, 4 and 5, the dies 4 are inserted concentrically inside the cylinder 3a. The die 4 has a non-rotating head 4b on one end of the cylindrical body 4a on the same axis, and grooves 4c, 4d, and 4e for guiding the wire are provided on the circumferential surface. The head 4b has an oval shape cut by a pair of two strings parallel to the diameter of the short cylinder. A straight groove 4c is formed over the head and a part of the cylindrical body, and subsequently, spiral grooves 4d and 4e are provided on the outer circumferential surface of the cylindrical body.

図４〜８において、前記直線溝４ｃは次のように形成される。頭部４ｂの２弦の中間を通る直径上に直線溝４ｃが形成される。軸直角断面において、溝底の半円弧の中心が頭部４ｂの直径上に位置し、この半円弧底から直径に平行な側壁を持つ。この直線溝４ｃは頭部の後端に近い中途まで同一深さ（溝底の半円弧の中心が頭部４ｂの軸線上に位置する）であり、そこから、次記らせん溝４ｄの入口まで、徐々に深さが減少している。これによって、線材は少し曲げられながら、増加角らせん溝４ｄの入口に導入されるのである。   4 to 8, the linear groove 4c is formed as follows. A straight groove 4c is formed on the diameter passing through the middle of the two strings of the head 4b. In the cross section perpendicular to the axis, the center of the semicircular arc of the groove bottom is located on the diameter of the head 4b, and has a side wall parallel to the diameter from the semicircular arc bottom. This straight groove 4c has the same depth until the middle of the head near the rear end (the center of the semicircular arc of the groove bottom is located on the axis of the head 4b), and from there to the entrance of the next spiral groove 4d. The depth is gradually decreasing. As a result, the wire is introduced into the entrance of the increased angle spiral groove 4d while being slightly bent.

図７において、前記らせん溝４ｄ，４ｅは、軸直角断面において、半径上の中心に半円弧の中心が位置し、半円弧底は軸線より溝縁側に僅かに離れており、半円弧底から直径に平行な側壁を持つ。溝の深さと幅は、線材Ａを摺動案内させるように直径より僅かに大きく定められる。   In FIG. 7, the spiral grooves 4d and 4e have a semicircular arc center at the radial center in the cross section perpendicular to the axis, and the semicircular arc bottom is slightly separated from the axis toward the groove edge side. With side walls parallel to The depth and width of the groove are determined to be slightly larger than the diameter so that the wire A is slidably guided.

図４において、らせん溝４ｄ（増加角らせん溝４ｄ）の長さ方向軸線の、ダイス中心軸線に対する捻り角度（傾斜角度）は、ダイスの入口側端部で“０”度であり、そこから少しづつ増加する。そして、線材送り力にもとづく線材の塑性変形が可能な範囲で、求める製品のらせん線材のリード角度に捻り戻り係数（材料の弾性変形による捻り戻り現象を考慮した係数で、例えば、０.７）を掛けた値の角度になる。ここまでの範囲４ｄが屈曲成形が行われる部分となる。そこから、一定の捻り角度で１／２ピッチの距離まで続き、仕上げ成形が行われる部分４ｅ（一定角らせん溝４ｅ）となる。   In FIG. 4, the twist angle (inclination angle) of the longitudinal axis of the spiral groove 4d (increased angle spiral groove 4d) with respect to the die center axis is “0” at the end of the die entrance side, and a little from there Increasing by one. And, within the range in which plastic deformation of the wire based on the wire feed force is possible, the torsional return coefficient (coefficient taking into account the torsion phenomenon due to elastic deformation of the material, for example, 0.7) The angle is multiplied by. The range 4d so far is a portion where bending is performed. From there, it becomes a portion 4e (constant-angle spiral groove 4e) that continues to a half pitch distance at a constant twist angle and is subjected to finish molding.

図４，６，７において、直径３.２ｍｍの線材かららせん線材を成形する場合に使用されるダイス４の寸法例が示してある。
円柱本体４ａの直径は、６.７２ｍｍ，長さは９１ｍｍ，
回り止め頭部４ｂの直径は、１２ｍｍ，長さは８ｍｍ，
溝の幅は、３.５ｍｍ，底半径は１.７５ｍｍ，
直線溝４ｃの長さは、一定深さで５.５ｍｍ，減少深さで１１ｍｍ。 4, 6 and 7 show examples of dimensions of the die 4 used when a helical wire is formed from a wire having a diameter of 3.2 mm.
The cylindrical body 4a has a diameter of 6.72 mm, a length of 91 mm,
The diameter of the detent head 4b is 12 mm, the length is 8 mm,
The groove width is 3.5 mm, the bottom radius is 1.75 mm,
The length of the straight groove 4c is 5.5 mm at a fixed depth and 11 mm at a reduced depth.

図４において、らせん溝４ｄ，４ｅは、線材送り方向に向かって右回り旋回する。そして、線材送り方向に３３ｍｍ進んで９０度旋回し、２２ｍｍ進んで１８０度旋回し、１６.５ｍｍ進んで１８０度旋回し、１１ｍｍ進んで１８０度旋回する（捻り角度一定）。結局のところ、入口から４５０度（１と１／４ピッチ分）までが、捻り角が曲線的に増加し（増加角らせん溝４ｄ）４５０〜６３０度（１８０度，１／２ピッチ分）の範囲で捻り角が一定となる（一定角らせん溝４ｅ）。   In FIG. 4, the spiral grooves 4d and 4e turn clockwise in the wire feeding direction. Then, the wire travels 33 mm in the wire feed direction and turns 90 degrees, 22 mm advances and turns 180 degrees, 16.5 mm advances and turns 180 degrees, 11 mm advances and turns 180 degrees (constant twist angle). After all, from the entrance to 450 degrees (1 and 1/4 pitch), the twist angle increases in a curve (increase angle spiral groove 4d) 450-630 degrees (180 degrees, 1/2 pitch). The twist angle is constant in the range (constant angle spiral groove 4e).

図１，２，３において、案内部材５は、前記回り止め頭部４ｂを凹所に係合させて、前記ホルダー３の位置決め円板部３ｂの一端に着脱自在に取り付けられ、かつ、前記ダイス４の軸線に同心の線材案内孔５ｄをもつ。案内部材５は短円柱本体５ａの中心軸線に同心で、一端に円筒形第１凹所５ｂ、他端に前記ダイスの回り頭部４ｂを収容する小判形第２凹所５ｃが形成される。これらの両凹所を連通する線材案内孔５ｄが形成される。そして、この線材案内孔５ｄに線材案内管６が同心に接続される。   1, 2, and 3, the guide member 5 is detachably attached to one end of a positioning disk portion 3 b of the holder 3 with the rotation-preventing head 4 b engaged in a recess, and the die Concentric wire guide holes 5d are provided on the four axes. The guide member 5 is concentric with the central axis of the short columnar body 5a, and is formed with a cylindrical first recess 5b at one end and an oval second recess 5c at the other end for receiving the head 4b around the die. A wire guide hole 5d that communicates with both the recesses is formed. The wire guide tube 6 is concentrically connected to the wire guide hole 5d.

このような装置を使用して本発明の方法の実施例を説明する（図１）。基台１に取付円環２，シリンダー３およびダイス４を互いに固定し、これらの全体を床に対し固定した状態にしておく。線材送り込み手段（図示省略）により線材Ａを線材案内管６を通して、矢印のように左から右へ水平に送って、ダイス４の直線溝４ｃ、らせん溝４ｄ，４ｅに送り込む。これによって、求めるらせん線材が、ホルダー３、ダイスの溝で案内されながら、らせん中心軸線の直線性を保ちながら出て行く。そして、材料の弾性変形による捻り戻り現象で、求める製品のらせんリード角度を持ったらせん線材が得られる。   An embodiment of the method of the present invention will be described using such an apparatus (FIG. 1). The mounting ring 2, the cylinder 3 and the die 4 are fixed to each other on the base 1, and the whole is fixed to the floor. The wire A is fed horizontally from the left to the right as indicated by the arrow through the wire guide tube 6 by the wire feeding means (not shown), and fed into the linear groove 4c and the spiral grooves 4d and 4e of the die 4. As a result, the desired helical wire goes out while maintaining the straightness of the spiral central axis while being guided by the holder 3 and the groove of the die. Then, a helical wire having the desired helical lead angle of the product can be obtained by the twist back phenomenon due to the elastic deformation of the material.

図９は本発明により得られたらせん線材の一例を示す平面図である。らせん線材Ａの山部最大高さと谷部最低高さの差ｈは、線材直径ｄの約２倍のらせん径からなり、山部Ａａと谷部Ａｂとがほぼ相対する形状で、谷部がらせん中心ｃとほぼ一致するか、そのらせん中心より外側に位置するように所定のピッチｐおよび振幅ａでらせん巻回されて形成される。なお、図９は右巻きのらせん線材を示しているが、左巻きのものであってもよい。   FIG. 9 is a plan view showing an example of a helical wire obtained by the present invention. The difference h between the maximum height of the peak of the spiral wire A and the minimum height of the valley is a spiral diameter that is approximately twice the diameter d of the wire, and the peak Aa and the valley Ab are substantially opposed to each other. It is formed by being spirally wound at a predetermined pitch p and amplitude a so as to substantially coincide with the helical center c or to be located outside the helical center. Although FIG. 9 shows a right-handed spiral wire, it may be a left-handed one.

図１において仮想線示のように、前記ホルダーシリンダー３ａとダイス４との間に交換シリンダー３ａ’が介在された実施例である。即ち、シリンダー３ａは外側のものと内側のもの３ａ’からなり、外側のものに内側のもの３ａ’が線材送り方向に抜止めされて、着脱自在に挿入される。そして、内側のもの３ａ’が摩耗したとき、新しいものと交換される。   As shown in phantom lines in FIG. 1, an exchange cylinder 3a 'is interposed between the holder cylinder 3a and the die 4. That is, the cylinder 3a is composed of an outer one and an inner one 3a ', and the inner one 3a' is secured to the outer one in the wire feed direction and is detachably inserted. When the inner one 3a 'is worn, it is replaced with a new one.

本発明は前記した実施例や実施態様に限定されず、特許請求の範囲および範囲を逸脱せずに種々の変形を含む。   The present invention is not limited to the examples and embodiments described above, and includes various modifications without departing from the scope and scope of the claims.

本発明は、らせん線材の製造方法および装置に利用される。   The present invention is used in a method and an apparatus for manufacturing a helical wire.

本発明の一実施例の縦断面図である。It is a longitudinal cross-sectional view of one Example of this invention. 図１の要部左側面図である。It is a principal part left view of FIG. 図１の要部Ｙ３−Ｙ３断面図である。It is principal part Y3-Y3 sectional drawing of FIG. 図１の要部拡大図である。It is a principal part enlarged view of FIG. 図４の左側面図である。FIG. 5 is a left side view of FIG. 4. 図４のＹ６−Ｙ６端面図である。It is the Y6-Y6 end view of FIG. 図４のＹ７−Ｙ７端面図である。FIG. 6 is an end view of Y7-Y7 in FIG. 4. 図４のＹ８−Ｙ８断面図である。It is Y8-Y8 sectional drawing of FIG. 本発明で得られたらせん線材である。It is a helical wire obtained by the present invention.

符号の説明Explanation of symbols

Ａ 線材
１ 基台
２ 取付円環
２ａ 短円筒部
２ｂ フランジ部
３ ホルダー
３ａ シリンダー
３ｂ 位置決め円板部
３ｅ 取付フランジ部
４ ダイス
４ａ 円柱本体
４ｂ 回り止め頭部
４ｃ 直線溝
４ｄ 増加角らせん溝
４ｅ 一定角らせん溝
５ 案内部材
５ａ 短円柱本体
５ｂ 第１凹所
５ｃ 第２凹所
５ｄ 線材案内孔
６ 線材案内管

A Wire 1 Base 2 Mounting ring 2a Short cylindrical part 2b Flange part 3 Holder 3a Cylinder 3b Positioning disk part 3e Mounting flange part 4 Dies 4a Cylindrical body 4b Non-rotating head part 4c Linear groove 4d Increasing angle spiral groove 4e Constant angle Spiral groove 5 Guide member 5a Short cylindrical body 5b First recess 5c Second recess 5d Wire guide hole 6 Wire guide tube

Claims (5)

外円周面にらせん溝をもつ円柱体ダイスをシリンダーの内側に同心に挿入し、
両者を互いに固定し、かつ、全体を床に対し固定した状態で、
線材を前記ダイスのらせん溝に送り込むことを特徴とするらせん線材の製造方法。 A cylindrical die having a spiral groove on the outer circumferential surface is inserted concentrically inside the cylinder,
With both fixed to each other and the whole fixed to the floor,
A method for producing a helical wire, comprising feeding a wire into a spiral groove of the die. 基台に固定された取付円環と、
該取付円環に同心に固定されたシリンダーをもつホルダーと、
該ホルダーシリンダーの内側に同心に挿入される円柱本体の一端部に回り止め頭部をもち、線材導入部に直線溝、および該直線溝に続くらせん溝を前記円柱本体の外円周面にをもつダイスと、
前記回り止め頭部を凹所に係合させて前記ホルダーシリンダーの一端に着脱自在に取り付けられ、かつ、前記ダイスの溝入口に同心の線材案内孔をもつ案内部材とを含むことを特徴とするらせん線材の製造装置。 A mounting ring fixed to the base;
A holder having a cylinder concentrically fixed to the mounting ring;
The cylindrical body inserted concentrically inside the holder cylinder has a detent head at one end, and a linear groove in the wire introduction part and a spiral groove following the linear groove are formed on the outer circumferential surface of the cylindrical body. Dice with
And a guide member that is detachably attached to one end of the holder cylinder with the rotation-stopping head engaged with the recess, and that has a concentric wire guide hole at the groove entrance of the die. Spiral wire manufacturing equipment. 前記溝は、軸直角断面において、直径上に溝底の半円弧状の中心が位置し、半円弧状底から直径に平行な側壁をもつことを特徴とする請求項２記載のらせん線材の製造装置。 3. The spiral wire rod according to claim 2, wherein the groove has a semicircular arc center of the groove bottom on the diameter in a cross section perpendicular to the axis, and has a side wall parallel to the diameter from the semicircular arc bottom. apparatus. 前記らせん溝の長さ方向軸線の、ダイス中心軸線に対する捻り角度は、前記線材導入部の直線溝の端部で“０”度から少しづつ増加し、線材導出部の端部を含む範囲で一定となることを特徴とする請求項２または３記載のらせん線材の製造装置。 The twist angle of the longitudinal axis of the spiral groove with respect to the center axis of the die is gradually increased from “0” degree at the end of the straight groove of the wire introduction portion, and is constant within a range including the end of the wire lead-out portion. The helical wire manufacturing apparatus according to claim 2 or 3, wherein 前記ホルダーシリンダーは外側のものと内側のものからなり、外側のものに内側のものが線材送り方向に抜止めされて、着脱自在に挿入されたことを特徴とする請求項２または３または４記載のらせん線材の製造装置。

5. The holder cylinder according to claim 2, 3 or 4, wherein the holder cylinder comprises an outer one and an inner one, and the inner one is secured to the outer one in the wire feed direction and is detachably inserted. Non-spiral wire manufacturing equipment.

JP2004325508A 2004-11-09 2004-11-09 Method and apparatus for manufacturing spiral wire Pending JP2006130551A (en)

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ID=36724546

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Country Status (1)

Country Link
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0318205A (en) * 1989-06-14 1991-01-25 Toshin Denki Kk Manufacture for linear member anchor tool

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0318205A (en) * 1989-06-14 1991-01-25 Toshin Denki Kk Manufacture for linear member anchor tool

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