JP3606949B2 - Method and apparatus for rolling solid or hollow members - Google Patents

Method and apparatus for rolling solid or hollow members Download PDF

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Publication number
JP3606949B2
JP3606949B2 JP15812395A JP15812395A JP3606949B2 JP 3606949 B2 JP3606949 B2 JP 3606949B2 JP 15812395 A JP15812395 A JP 15812395A JP 15812395 A JP15812395 A JP 15812395A JP 3606949 B2 JP3606949 B2 JP 3606949B2
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Japan
Prior art keywords
semi
rolling
finished product
striking
longitudinal axis
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JPH0847738A (en
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クラプフェンバウアー ハンス
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Ernst Grob AG
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Ernst Grob AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H5/00—Making gear wheels, racks, spline shafts or worms
    • B21H5/02—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls
    • B21H5/025—Internally geared wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D15/00—Corrugating tubes
    • B21D15/02—Corrugating tubes longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/18—Making articles shaped as bodies of revolution cylinders, e.g. rolled transversely cross-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/08—Making helical bodies or bodies having parts of helical shape internal screw-threads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Metal Rolling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Heat Treatment Of Steel (AREA)
  • Laminated Bodies (AREA)

Abstract

The method concerns impact rolling solid or hollow cylindrical components (1) which are fed in the direction of their longitudinal axis (1'). At least one impact roll (4, 5) in an external rotating roll head (2, 3) performs a specified sequence of individual impact-like rolling operations on predetermined zones of the component. The method is characterised by the fact that the individual operations are performed in the transverse direction (S_1, S_2) relative to the component. The appts. is characterised by the presence of at least one roll head which rotates about axes (2', 3') substantially parallel to the longitudinal axis (1') of the component. <IMAGE>

Description

【０００１】
【産業上の利用分野】
本発明は、その長手方向軸線に沿う送りを維持し乍ら内実又は中空の円筒形半製品を打撃圧延する方法であって、回転する圧延ヘッド内に駆動可能に支承されている少くとも１つの打撃ローラが、外方から半製品の送りに調整された順序で打撃状の個々の圧延工程を半製品の所定のゾーン上で行う方法、並びにこの方法を実施するための装置に関する。
【０００２】
【従来の技術】
丸形、コップ形又は管体から出発して例へば少くとも部分的な内歯を備えた中空部材を圧延及び押圧するには、主に２つの冷間変形方法が公知である。
【０００３】
一方では押圧ローラが公知であり（例へばドイツ国特許第４２１８０９２号明細書）、この場合は純粋な押圧とは著しく異なっていて、半製品の壁強度が同時に形状の変化と共に所定のように減少させられる。その際押圧及び圧延は、半製品を押圧して変形を発生せしめるローラによって行われる。この場合ローラは半製品に常時接触している。つまりローラの押付け力は半製品に事実上静的に作用するため、該押付け力には極めて大きな力が必要であり、これによって生産される半製品が所定の要求に充分に堪えうるようにするためには、これに対応して極めてコスト高の重量の大きな構造体が必要である。
【０００４】
この欠点を除去した他方の冷間変形方法は打撃圧延であり、粗な方法（Ｇｒｏｂ−Ｖｅｒｆａｈｒｅｎ）としても公知である（例へばスイス国特許第６５８００６号明細書）。この方法の場合には上述の押圧圧延とは対照的に、力が静的ではなくて動的に、打撃の形式で半製品上に加えられる。そのため回転する圧延ヘッド上に配置されたローラが設けられていて、該ローラは、速かに連続的に個々の圧延工程を半製品の表面上で行うようになっている。この個々の圧延工程は、主として半製品の長手方向で、つまり主として半製品軸線の方向で行われる。これによって一方では、上述の押圧圧延の場合よりも力を小さく保持することができ、他方では高度な製品精度を達成するのに機械を軽い寸法にすることができる。しかし上述の圧延方向のために粗な方法の場合には、圧延ヘッドの配置に制約されて、半製品を中心に半製品の軸線方向で個々のローラの遊星運動のために自由空間が必要になるという欠点が発生している。このため例へばリング状の突出した肩部又は著しい段部を備えた半製品を加工しなければならないような場合には、この方法を用いることはできない。
【０００５】
【発明が解決しようとする課題】
本発明の課題は、上述の粗な方法に類似する方法を改良して、該方法が環状に突起した肩部又は段部を備えた半製品に対しても適合できるようにすることにある。
【０００６】
【課題を解決するための手段】
本発明では、請求項１に記載の特徴、つまり個々の圧延工程を半製品に対し横方向で実施することによって、上記課題を解決することができた。
【０００７】
【発明の効果】
ローラの打撃方向を半製品の半径方向の外周方向に変えることによって打撃方方法の公知の利点を保持しうることが判明し、このため圧延ヘッドの軸線を半製品の軸線に対しほぼ平行に配置することができるようになった。ひいては打撃ローラの遊星運動のための空間が軸線平行な方向にもはや必要でなくなり、これによって打撃圧延工程が外方に向って突出する半製品肩部に密接するまで行いうるようになった。同じ様に本発明の変形は、著しい段部を備えた半製品に対してもこれを全く問題なく行うことができる。つまり有利な形式でこの種の半製品も打撃圧延方法で加工することができる。
【０００８】
本発明の別の有利な方法が請求項２から８までに述べられている。
【０００９】
本発明の方法は、半製品をその長手方向軸線を中心に回転させるような形式で、回転対称的な半製品に使用可能である。しかしまた、全外周部に亘って打撃圧延工程を実施する必要のない、例へばセグメント状に面取りされた半製品を製作する場合のような、別な半製品の場合にも本発明の方法を使用することが考えられる。
【００１０】
本発明の方法を実施するため、有利な形式で請求項９及び１０に基く装置を使用することができる。
【００１１】
ここに請求した方法は、少くとも部分的な内歯を備えた中空体のために特に適合している。しかしまた内実体又は内歯なしの中空体に対してもこの方法を適用することが考えられる。
【００１２】
【実施例】
次に本発明の実施例を図面に基いて詳しく説明する。
【００１３】
図１には、本来の圧延工程の領域における従来の打撃圧延機械の縦断面図及び横断面図が概略的に図示されている。円筒形の半製品１、この場合は例へば中空円筒が、図示されていない装置によって圧延ヘッド２及び３の領域に供給される。圧延ヘッド２乃至３に取り付けられた打撃ローラ４及び５は、圧延ヘッド２及び３が回転する際半製品１の表面上に打撃状の圧延作業を行う。その場合半製品１の材料は冷間変形させられ、これによって半製品１の内側には例へば内方に位置する母型６の輪郭が形成される。ひいては例へば中空体の内歯を迅速かつ充分な精度で成形することができる。この方法は半製品１の横断面積の縮小のためにも使用可能であり、この場合材料はとりわけ長手方向に流れる。
【００１４】
中程度の回転数の場合に個々の圧延工程を連続して迅速に行うことができるようにするため、圧延ヘッド２及び３には通常複数の打撃ローラ４乃至５が取り付けられている。
【００１５】
公知の方法乃至はそれに対応する装置の場合には、圧延ヘッド２，３の軸線２′及び３′が半製品軸線１′に対しほぼ垂直に配置されている。これによって、半製品軸線１′に対しほぼ平行に配向された打撃作用が達成されうるようになる。しかしこの場合は、特に半製品１が肩部１″を有している場合打撃圧延工程を肩部１″の領域に密接するまで実施することができないという欠点を有している。
【００１６】
つまり半製品１は、肩部１″が回転する打撃ローラ４及び５の領域７及び８に到達するまでしか、矢印方向Ｖに供給することはできない。
【００１７】
半製品１が肩部１″を有している場合打撃工程を該肩部に密接するまで行うことができるようにするため、本発明では圧延ヘッド２及び３の軸線２′及び３′が、図２で明らかなように、半製品軸線１′に対し平行に配置されている。
【００１８】
これによって半製品１を矢印方向Ｖで圧延ヘッド２及び３に向って、公知の方法乃至は公知の装置の場合よりも著しく接近しうるように案内することができる。これとは別に本発明の方法を使用することによって、半製品軸線に垂直なローラ軸線を備えた従来の打撃ローラの場合には不可能であった、半製品１の著しい段部１′′′を圧延することも可能である。意外なことに、半製品長手方向軸線１′に対して垂直に行われる圧延工程が、冷間変形として公知の場合と同様な形式で、半製品長手方向軸線１′に対して平行に行われる圧延工程に適合していることが判明した。
【００１９】
その外、直径方向で向い合って位置する両圧延ヘッド２及び３が同一の回転方向ｎ１及びｎ２で駆動されていると有利であることが判った。このことによって一方では、反対方向に向いた力ベクトル乃至打撃ベクトルの平行な成分が相殺されかつ合成された回転モーメントだけが半製品１によって受容されうるような形式で、半製品長手方向軸線１′上に均等な負荷が作用するようになる。他方では両圧延ヘッド２及び３の駆動も簡略化される。両圧延ヘッド２，３は相互に同期して連結されていなければならず、ひいては互いに向い合って位置する夫々の打撃ローラ４及び５が、同時に半製品１上で使用できるようになっていなければならない。このことは例へば簡単な歯付ベルトを用いて行うことができる。
【００２０】
本発明の方法は、打撃圧延のために公知な総ての使用領域に対して適合しており、中空体に内歯を形成する場合には特に有利である。その場合は有利には、圧延ヘッドの回転数が半製品の送り速度に適合していて、内歯の形成のために必要な打撃圧延工程だけが、半製品の内表面上に作用しうるようになっている。
【図面の簡単な説明】
【図１】従来形式の打撃延圧装置の縦断面図と横断面図である。
【図２】本発明の打撃延圧装置の縦断面図と横断面図である。
【符号の説明】
１ 半製品
１′ 半製品軸線
１″ 肩部、
２，３ 圧延ヘッド
２′，３′ 軸線
４，５ 打撃ローラ
６ 母型
７，８ 領域[0001]
[Industrial application fields]
The present invention is a method for striking and rolling a solid or hollow cylindrical semi-finished product while maintaining its feed along its longitudinal axis, wherein at least one of which is drivably supported in a rotating rolling head. The invention relates to a method for carrying out the individual rolling steps on a predetermined zone of the semi-finished product in a sequence adjusted by the striking roller from the outside to the feeding of the semi-finished product, as well as an apparatus for carrying out this method.
[0002]
[Prior art]
For rolling and pressing hollow members with at least partial internal teeth starting from a round shape, a cup shape or a tube, two cold deformation methods are mainly known.
[0003]
On the one hand, pressure rollers are known (eg German Patent No. 4218092), which in this case is significantly different from pure pressing, in which the wall strength of the semi-finished product is simultaneously reduced in a predetermined manner with changes in shape. It is done. In this case, pressing and rolling are performed by a roller that presses the semi-finished product and causes deformation. In this case, the roller is always in contact with the semi-finished product. In other words, since the pressing force of the roller acts on the semi-finished product in a static manner, the pressing force requires a very large force, and this allows the semi-finished product to be produced sufficiently to withstand the predetermined requirements. In order to do this, a large structure with a very high cost and weight is required.
[0004]
The other cold deformation method that eliminates this defect is blow rolling, which is also known as a rough method (Grob-Verfahren) (eg Swiss Patent 658006). In the case of this method, in contrast to the pressing rolling described above, the force is applied on the semi-finished product in the form of a hit, not static but dynamically. For this purpose, a roller arranged on a rotating rolling head is provided, which is adapted to carry out individual rolling processes on the surface of the semi-finished product quickly and continuously. This individual rolling process is carried out mainly in the longitudinal direction of the semi-finished product, ie mainly in the direction of the semi-finished product axis. This makes it possible on the one hand to keep the force smaller than in the case of the press rolling described above and, on the other hand, make the machine lighter to achieve a high degree of product accuracy. However, in the case of the rough method due to the rolling direction described above, the free space is required for the planetary motion of the individual rollers in the axial direction of the semi-finished product centered on the semi-finished product, due to the arrangement of the rolling heads. The disadvantage of becoming. For this reason, this method cannot be used when semi-finished products with ring-shaped protruding shoulders or significant steps have to be processed.
[0005]
[Problems to be solved by the invention]
It is an object of the present invention to improve a method similar to the rough method described above so that the method can be adapted to semi-finished products with annularly projecting shoulders or steps.
[0006]
[Means for Solving the Problems]
In this invention, the said subject was able to be solved by implementing the characteristic of Claim 1, ie, each rolling process by the horizontal direction with respect to a semi-finished product.
[0007]
【The invention's effect】
It has been found that the known advantage of the striking method can be maintained by changing the roller striking direction to the radially outer peripheral direction of the semi-finished product, so that the axis of the rolling head is arranged substantially parallel to the axis of the semi-finished product. I was able to do that. As a result, space for the planetary movement of the striking roller is no longer required in the direction parallel to the axis, so that the striking rolling process can be carried out until it is in close contact with the semi-finished shoulder projecting outward. In the same way, the variant of the invention can be carried out without any problem for semi-finished products with significant steps. In other words, this kind of semi-finished product can also be processed by the blow rolling method in an advantageous manner.
[0008]
Further advantageous methods of the invention are set out in claims 2-8.
[0009]
The method of the present invention can be used for rotationally symmetric semi-finished products in such a manner that the semi-finished product is rotated about its longitudinal axis. However, the method according to the invention is also used in the case of other semi-finished products, such as when producing semi-finished products that are chamfered into segments, for example, where it is not necessary to carry out the striking rolling process over the entire circumference It is possible to do.
[0010]
In order to carry out the method according to the invention, the device according to claims 9 and 10 can be used in an advantageous manner.
[0011]
The method claimed here is particularly adapted for hollow bodies with at least partial internal teeth. However, it is also conceivable to apply this method to hollow bodies without internal bodies or internal teeth.
[0012]
【Example】
Next, embodiments of the present invention will be described in detail with reference to the drawings.
[0013]
FIG. 1 schematically shows a longitudinal sectional view and a transverse sectional view of a conventional blow rolling machine in the region of the original rolling process. A cylindrical semi-finished product 1, in this case a hollow cylinder, is supplied to the area of the rolling heads 2 and 3 by means of a device not shown. The striking rollers 4 and 5 attached to the rolling heads 2 to 3 perform a striking rolling operation on the surface of the semi-finished product 1 when the rolling heads 2 and 3 rotate. In this case, the material of the semi-finished product 1 is cold-deformed, whereby an outline of the mother die 6 is formed inside the semi-finished product 1, for example, inwardly. As a result, the inner teeth of the hollow body can be formed quickly and with sufficient accuracy. This method can also be used for reducing the cross-sectional area of the semi-finished product 1, in which case the material flows especially in the longitudinal direction.
[0014]
A plurality of striking rollers 4 to 5 are usually attached to the rolling heads 2 and 3 so that the individual rolling steps can be carried out quickly and continuously at medium speeds.
[0015]
In the case of a known method or a corresponding device, the axes 2 'and 3' of the rolling heads 2, 3 are arranged substantially perpendicular to the semi-finished product axis 1 '. This makes it possible to achieve a striking action that is oriented substantially parallel to the semi-finished product axis 1 ′. However, this case has the disadvantage that the blow rolling process cannot be carried out until it is in close contact with the region of the shoulder 1 ″, particularly when the semi-finished product 1 has the shoulder 1 ″.
[0016]
In other words, the semi-finished product 1 can only be supplied in the direction of the arrow V until the shoulder 1 ″ reaches the areas 7 and 8 of the impact rollers 4 and 5 that rotate.
[0017]
In order to be able to carry out the striking process until the semi-finished product 1 has a shoulder 1 ″ until it comes into close contact with the shoulder, in the present invention the axes 2 ′ and 3 ′ of the rolling heads 2 and 3 are As can be seen in FIG. 2, they are arranged parallel to the semi-finished product axis 1 ′.
[0018]
As a result, the semi-finished product 1 can be guided in the direction of the arrow V toward the rolling heads 2 and 3 in such a way that it can be significantly closer than in the case of known methods or known devices. Apart from this, by using the method of the present invention, a significant step 1 "" of the semi-finished product 1 is not possible in the case of a conventional striking roller with a roller axis perpendicular to the semi-finished product axis. Can also be rolled. Surprisingly, the rolling process carried out perpendicularly to the semifinished product longitudinal axis 1 'is carried out in parallel to the semifinished product longitudinal axis 1' in the same manner as is known as cold deformation. It was found to be suitable for the rolling process.
[0019]
In addition, it has proved to be advantageous if both rolling heads 2 and 3 diametrically facing each other are driven in the same rotational direction n 1 and n 2 . On the one hand, the half-product longitudinal axis 1 ′ in such a way that the parallel components of the force vector or the striking vector pointing in the opposite direction are canceled out and only the combined rotational moment can be received by the semi-product 1. An even load is applied on the top. On the other hand, the driving of both rolling heads 2 and 3 is also simplified. Both rolling heads 2 and 3 must be connected in synchronism with each other, and therefore the respective striking rollers 4 and 5 located facing each other must be able to be used on the semi-finished product 1 at the same time. Don't be. This can be done with a simple toothed belt, for example.
[0020]
The method according to the invention is suitable for all areas of use known for blow rolling and is particularly advantageous when forming internal teeth in hollow bodies. In that case, advantageously, the speed of the rolling head is adapted to the feed rate of the semi-finished product so that only the striking rolling process necessary for the formation of the inner teeth can act on the inner surface of the semi-finished product. It has become.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view and a transverse sectional view of a conventional striking and rolling device.
FIGS. 2A and 2B are a longitudinal sectional view and a transverse sectional view of the striking and extending device of the present invention.
[Explanation of symbols]
1 Semi-finished product 1 'Semi-finished product axis 1 "shoulder,
2, 3 Rolling head 2 ', 3' Axis 4, 5 Blow roller 6 Master 7 and 8 area

Claims (10)

その長手方向軸線（１′）に沿う送りを維持し乍ら内実又は中空の円筒形半製品（１）を打撃圧延する方法であって、回転する圧延ヘッド（２，３）内に駆動可能に支承されている少くとも１つの打撃ローラ（４，５）が、外方から半製品の送りに調整された順序で打撃状の個々の圧延工程を半製品（１）の所定のゾーン上で行う形式のものにおいて、
個々の圧延工程を半製品に対し横方向（Ｓ１，Ｓ２）で実施することを特徴とする、内実又は中空部材を圧延する方法。A method of striking and rolling a solid or hollow cylindrical semi-finished product (1) while maintaining its feed along its longitudinal axis (1 '), which can be driven into a rotating rolling head (2, 3) At least one striking roller (4, 5), which is supported, performs the striking individual rolling steps on a predetermined zone of the semi-finished product (1) in a sequence adjusted to the feeding of the semi-finished product from the outside. In the form of
A method of rolling a solid or hollow member, characterized in that the individual rolling steps are carried out laterally (S 1 , S 2 ) on the semi-finished product. 個々の圧延工程が行われるゾーンを部分的に重ねることを特徴とする、請求項１記載の方法。2. A method according to claim 1, characterized in that the zones in which the individual rolling steps are carried out are partially overlapped. 夫々同時に複数の圧延工程を半製品（１）の外周部で行い、半製品（１）の圧延工程のための位置は、圧延力の平衝が達成されうるような位置に設けられていることを特徴とする、請求項１又は２記載の方法。A plurality of rolling processes are simultaneously performed on the outer periphery of the semi-finished product (1), and the position for the rolling process of the semi-finished product (1) is provided at a position where a balance of rolling force can be achieved. The method according to claim 1 or 2, characterized in that 夫々同時に少くとも２つの圧延工程を、半製品（１）の直径方向で反対側に位置する側において行うことを特徴とする、請求項１から３までのいづれか１項記載の方法。4. The method according to claim 1, wherein at least two rolling steps are carried out simultaneously on the opposite side in the diametrical direction of the semi-finished product (1). 半製品の表面に対するローラの衝突ベクトル（Ｓ１，Ｓ２）が半製品長手方向軸線（１′）に関し同一の回転方向を有するように、総ての圧延ヘッド（２，３）を同一の回転方向に駆動することを特徴とする、請求項１から４までのいづれか１項記載の方法。Collision vector of the roller to the surface of the semifinished product (S 1, S 2) is to have the same direction of rotation relates to the semi-finished product longitudinal axis (1 '), the rotation of all of the rolling head (2,3) the same 5. A method according to any one of claims 1 to 4, characterized in that it is driven in the direction. 圧延ヘッドの回転数を所定の形式で半製品の送りに適合させることを特徴とする、請求項１から５までのいづれか１項記載の方法。6. The method according to claim 1, wherein the number of rotations of the rolling head is adapted to the feeding of the semi-finished product in a predetermined manner. 圧延工程の間半製品を、殊に圧延ヘッドの回転速度に対する所定の比で、半製品の長手方向軸線（１′）を中心に回転させることを特徴とする、請求項１から６までのいづれか１項記載の方法。7. The method according to claim 1, wherein the semi-finished product is rotated about the longitudinal axis (1 ') of the semi-finished product during the rolling process, in particular at a predetermined ratio to the rotational speed of the rolling head. The method according to claim 1. 中空の半製品（１）の内側に母型（６）を挿入し、圧延工程によって半製品（１）の内側に母型の形状、殊に歯形を、冷間変形によって形成することを特徴とする、請求項１から７までのいづれか１項記載の方法。The mold (6) is inserted inside the hollow semi-finished product (1), and the shape of the mother die, particularly the tooth profile, is formed by cold deformation inside the semi-finished product (1) by a rolling process. A method according to any one of claims 1 to 7. 請求項１から８までのいづれか１項記載の方法を実施するための装置において、該装置が環状の円形軌道上に配置された打撃ローラ（４，５）を備えている少くとも１つの圧延ヘッド（２，３）を有し、その回転軸線（２′，３′）が半製品長手方向軸線（１′）に対しほぼ平行に配置されていることを特徴する、請求項１から８までのいづれか１項記載の方法を実施するための装置。9. A device for carrying out the method according to claim 1, wherein the device comprises at least one striking roller (4, 5) arranged on an annular circular track. (2), (3), the axis of rotation (2 ', 3') being arranged substantially parallel to the semi-finished product longitudinal axis (1 ') An apparatus for carrying out the method according to any one of the preceding claims. ２つ又はそれより多い圧延ヘッド（２，３）が設けられており、これらの圧延ヘッドが、半製品（１）に対する圧延力（Ｓ１，Ｓ２）に関する力の平衝が達成されうるように配置されていることを特徴とする、請求項９記載の装置。And two or more is rolled head (2, 3) are provided, these rolling heads, rolling forces (S 1, S 2) as equilibrium of forces can be achieved about the relative half-products (1) 10. Device according to claim 9, characterized in that it is arranged in
JP15812395A 1994-06-25 1995-06-23 Method and apparatus for rolling solid or hollow members Expired - Fee Related JP3606949B2 (en)

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ES2193316T3 (en) * 1997-11-24 2003-11-01 Grob Ernst Fa PROCEDURE AND DEVICE FOR COLD TRAINING OF HOLLOW PARTS.
MXPA06008340A (en) 2004-02-06 2007-04-17 Grob Ernst Fa Device and method for producing tooth-like profiled sections on workpieces.
DE102005028828B3 (en) * 2005-06-15 2006-12-21 Getrag Synchrontechnik Gmbh Method and device for producing metal rings
CH706436A1 (en) 2012-04-25 2013-10-31 Grob Ernst Fa Method and apparatus for producing provided with an internal toothing thick-walled hollow wheel gears.
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