JPS63278602A - Series wire drawing device - Google Patents
Series wire drawing deviceInfo
- Publication number
- JPS63278602A JPS63278602A JP18048887A JP18048887A JPS63278602A JP S63278602 A JPS63278602 A JP S63278602A JP 18048887 A JP18048887 A JP 18048887A JP 18048887 A JP18048887 A JP 18048887A JP S63278602 A JPS63278602 A JP S63278602A
- Authority
- JP
- Japan
- Prior art keywords
- roll
- rolling
- shaft
- frame
- screw
- 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.)
- Granted
Links
- 238000005491 wire drawing Methods 0.000 title claims description 11
- 238000005096 rolling process Methods 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000003825 pressing Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
- B21B31/24—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B31/06—Fastening stands or frames to foundation, e.g. to the sole plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/07—Adaptation of roll neck bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
- B21B13/12—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process axes being arranged in different planes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
- B21B2203/36—Spacers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/02—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills
- B21B35/025—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills for stretch-reducing of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/10—Driving arrangements for rolls which have only a low-power drive; Driving arrangements for rolls which receive power from the shaft of another roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
- B21B35/141—Rigid spindle couplings, e.g. coupling boxes placed on roll necks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
- Metal Rolling (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は極めて細い線を成形する伸線圧延装置に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) This invention relates to a wire drawing and rolling apparatus for forming extremely thin wire.
（従来の技術）
従来、金属線を細く加工するには、通常圧延工程で６閣
φ（特殊な場合に３１１１Ｉ１１φ）まで行い、更に小
径の線材に塑性加工するには、引抜方法が採用されてい
た。またこのような塑性加工方法には、加圧による方法
と引抜伸線による方法とあり、夫々材料の特質に応じた
方法を採用していた０例えば比較的脆い性質の材料を塑
性加工するには、加圧を主とし、伸び易い性質の材料は
引抜を主として加工していた。また引抜加工には穴ダイ
スを用いる場合と、ローラダイスを用いる場合があるが
、ローラダイスは穴ダイスより引抜作業が一層容易、か
つ効果的とされていた（例えば特公昭５８−１７６８６
号）。(Conventional technology) Conventionally, in order to process metal wires into thinner diameters, a normal rolling process is used to process wires up to 6mm diameter (3111I11mm diameter in special cases), and a drawing method is used to plastically process them into smaller diameter wires. Ta. In addition, there are two types of plastic working methods: pressurization and wire drawing, and each method is adapted to the characteristics of the material.For example, when plastic working a relatively brittle material, , materials that are easily stretched were mainly processed by drawing. In addition, there are cases where a hole die is used and a roller die is used for the drawing process, but roller dies are said to be easier and more effective in drawing work than hole dies (for example,
issue).
（発明により解決すべき問題点）
前記のように加圧伸線と引抜伸線には夫々特徴があり、
ローラダイスによる引抜伸線は能率向上の上で多大の効
果が認められる。(Problems to be solved by the invention) As mentioned above, pressure wire drawing and drawing wire drawing each have their own characteristics.
Drawing wire using a roller die has been found to be highly effective in improving efficiency.
然し乍ら、引抜伸線は引抜の準備工程において、予め必
要な線通し作業に時間を要する点と、引抜破断の限界か
ら、−パスにおけるリダクション（断面積減少率）の限
界は、通常３０％〜４０％とされる問題点があった。However, due to the fact that wire drawing requires time for the wire threading work required in advance in the preparation process for drawing, and the limit of drawing breakage, the limit of reduction (cross-sectional area reduction rate) in the -pass is usually 30% to 40%. There was a problem that was said to be %.
また、脆い性質の材料はローラダイスによる伸線が困難
な為に、加圧加工にしなければならないが、前記公知の
ローラダイスは、その構造上ローラに駆動力を結合でき
ないので、加圧伸線が不可能になり、かつ前記リダクシ
ョン限界による加工回数の増加は免れないなど、幾多の
問題点があった。In addition, it is difficult to wire-draw brittle materials with roller dies, so they must be subjected to pressure processing. However, the known roller dies cannot connect driving force to the rollers due to their structure, so it is difficult to wire-draw them using pressure processing. There have been many problems, such as the reduction being impossible and the number of processing operations inevitably increasing due to the reduction limit.
（問題点を解決する為の手段）
然るにこの発明は、しゃこ萬力構造のフレームのような
四隅を固定できるフレームを用い、これに設置した加圧
手段の加圧方向に対して直角に圧延ローラ軸を架設した
ので、前記従来の問題点を悉く解決したものである。(Means for Solving the Problems) However, the present invention uses a frame that can be fixed at its four corners, such as a frame with a mandrel structure, and the rolling roller axis is aligned perpendicularly to the pressing direction of the pressing means installed on the frame. Since this construction was constructed, all of the problems of the prior art mentioned above were solved.
即ちこの発明は、中央部に圧延ロールを並列架設するよ
うにしたフレームの上辺に、圧延ロール軸の加圧手段を
設け、該加圧手段の方向と直角に圧延ロール軸を架設し
、該圧延ロール軸と駆動軸とを連結して直列伸線圧延装
置を構成した。That is, in this invention, a pressure means for the roll shaft is provided on the upper side of the frame in which the rolls are installed in parallel in the center, the roll shaft is installed perpendicular to the direction of the pressure means, and the roll roll is A series wire drawing and rolling machine was constructed by connecting the roll shaft and the drive shaft.
前記圧延装置において、フレームは、例えば−側開放型
の方形（シャこ萬力構造）であって、四隅に夫々取付ボ
ルト孔が設けである。また圧延ロールは半メタル軸受を
用い、他面はロールメタルの半円形受は金としである。In the rolling apparatus, the frame is, for example, a rectangular type with an open negative side (shakomanri structure), and mounting bolt holes are provided at each of the four corners. Also, the rolling rolls use semi-metal bearings, and the other side is made of roll metal and the semicircular bearings are made of gold.
前記駆動軸は、モータ軸と直結し、又は減速機付モータ
の出力軸と直結しである。The drive shaft is directly connected to a motor shaft or to an output shaft of a motor with a reduction gear.
（発明の作用）
この発明はローラダイスにおいて、ロールの駆動軸に入
力を直結したので、ロールの加圧力を小さくして、圧延
することにより、恰も引抜時と同様に直径の小さい線材
を効率よく成形することができる。(Function of the Invention) This invention directly connects the input to the drive shaft of the roll in the roller die, so by rolling the pressure force of the roll and reducing it, wire rods with a small diameter can be drawn efficiently, just like when drawing. Can be molded.
（実施例）
次にこの発明の実施例を第１図および第２図について説
明する。(Example) Next, an example of the present invention will be described with reference to FIGS. 1 and 2.
即ち一側を開放した方形フレーム１の上辺中央部に加圧
ねじ２を螺合し、前記加圧ねじ２の下方に、これと直角
に圧延ロール３．３ａを架設し、前記圧延ロール３．３
ａの軸４．４ａは、前記加圧ねじ２の下端に当接した上
部軸受５とフレーム１の下辺上に設けた下部軸受６間に
配設する。前記上部軸受５は、圧延ロール３の軸４の上
半部のロールベアリング７を覆い、下部軸受６は圧延ロ
ール３ａの軸４ａの下半部のロールベアリング７を覆う
ようになっている。前記圧延ロール３ａの駆動軸８には
、カップリング９を介してモータ１０の出力軸１１が連
結されている。前記圧延ロール３の軸に配置したロール
ベアリングの下半部は、覆２３に覆われ、圧延ロール３
ａの軸に配置したロールベアリング７の上半部は、覆２
３ａによって覆われ、前記覆２３．２３ａは、スプリン
グ２４によって保持されている。第１図中１２は圧延ロ
ール３．３ａのスラスト受は板、１３．１３はフレーム
１の四隅に設けた取付ボルト孔、１４はモータ取付板で
ある。That is, a pressure screw 2 is screwed into the center of the upper side of the rectangular frame 1 with one side open, and a rolling roll 3.3a is installed below the pressure screw 2 at right angles thereto. 3
The shaft 4.4a of a is disposed between an upper bearing 5 abutting the lower end of the pressure screw 2 and a lower bearing 6 provided on the lower side of the frame 1. The upper bearing 5 covers the roll bearing 7 on the upper half of the shaft 4 of the rolling roll 3, and the lower bearing 6 covers the roll bearing 7 on the lower half of the shaft 4a of the rolling roll 3a. An output shaft 11 of a motor 10 is connected to the drive shaft 8 of the rolling roll 3a via a coupling 9. The lower half of the roll bearing disposed on the shaft of the rolling roll 3 is covered with a cover 23, and the rolling roll 3 is
The upper half of the roll bearing 7 placed on the axis of
3a, said cover 23.23a being held by a spring 24. In FIG. 1, reference numeral 12 designates a plate for the thrust receiver of the rolling roll 3.3a, reference numeral 13.13 designates mounting bolt holes provided at the four corners of the frame 1, and reference numeral 14 designates a motor mounting plate.
前記実施例においては、しゃこ萬力型フレームを用いた
が、例えばフレーム１の開放側へスペーサー（スリーブ
）２５（第１図中鎖線図示５を介装し、取付ボルト２６
で締付ければ、四角枠フレームとなる。しかしこのよう
なフレームの構造には限定されない。In the above embodiment, a shakomanryoku type frame was used, but for example, a spacer (sleeve) 25 (5 shown in chain lines in FIG. 1) was inserted on the open side of the frame 1, and a mounting bolt 26 was inserted.
If you tighten it with , it will become a square frame. However, the structure of the frame is not limited to this.
前記実施例において、加圧ねじ２の上端のハンドル１５
に設けた小孔１６へ細杆１７′の一端を挿入してハンド
ル１５を右側又は左側に回転ずれば、加圧ねじ２は矢示
１８、又は１９のように昇降し、これに伴って上部軸受
け５も同方向へ移動するので（加圧ねじ端へ上部軸受け
を回転自在に取付けである）、これに伴って圧延ロール
３．３ａの加圧力を調節することができる。ついでモー
タ１０を始動すれば、モータ軸１１の回転により圧延ロ
ール３ａが第２−中、矢示２０ａの方向に回転するので
、加工すべき線材２１は強く引張ることなく、矢示２２
の方向へ繰り出され、圧延ロール３も矢示２０の方向に
回転して線材は所定の太さに圧延される。In the embodiment, the handle 15 at the upper end of the pressure screw 2
When one end of the narrow rod 17' is inserted into the small hole 16 provided in the hole 16 and the handle 15 is rotated to the right or left, the pressure screw 2 moves up and down as shown by arrows 18 and 19, and the upper part Since the bearing 5 also moves in the same direction (the upper bearing is rotatably attached to the end of the pressure screw), the pressing force of the rolling roll 3.3a can be adjusted accordingly. Next, when the motor 10 is started, the rotation of the motor shaft 11 causes the rolling roll 3a to rotate in the direction of the arrow 20a during the second stage.
The rolling roll 3 is also rotated in the direction of arrow 20, and the wire rod is rolled to a predetermined thickness.
この発明によれば、圧延ロールのロール直径を２５！１
１１１乃至１５ｎｍになし得るが、このような溝ロール
、又は渭なしのロールは、圧延ロールとしてきわめて小
径のロールであるが、上記サイズのロールを容易に組み
込むことが可能である。この結果、軟質線材、抗張力値
２０ｋｇｆ／−以下の場合においては、直径０．３ｎｕ
ｎ、又はこれに相当する断面に圧延することができるが
、この際の圧延速度は１２０ ｍ／１ａｉｎが可能であ
る。また硬質線材で抗張力値が８０ｋｇｆ／−以下の場
合には、圧延速度３０ｍ／ｒａｉｎが可能である。According to this invention, the roll diameter of the rolling roll is 25!1
111 to 15 nm, such grooved rolls or rolls without ridges are very small diameter rolls as rolling rolls, but it is possible to easily incorporate rolls of the above size. As a result, in the case of soft wire rods with a tensile strength value of 20 kgf/- or less, the diameter is 0.3 nu.
It can be rolled to a cross section of n or equivalent to this, and the rolling speed at this time can be 120 m/1 ain. Further, when the tensile strength value of the hard wire is 80 kgf/- or less, a rolling speed of 30 m/rain is possible.
（発明の効果）
この発明によれば、圧延ロールの軸を駆動軸に連結した
ので、圧延ロールは強制駆動されるので、引抜伸線によ
ることなく、これと同等の加工を行い、細線を容易に成
形できる効果がある。従って比教的脆い材料であっても
効率よく細線化することができる。(Effects of the Invention) According to the present invention, since the shaft of the rolling roll is connected to the drive shaft, the rolling roll is forcibly driven, so that the same processing as this can be performed without drawing and drawing, and thin wire can be easily produced. It has the effect of being able to be molded into Therefore, even brittle materials can be efficiently made into thin wires.
第１図はこの発明の実施例の一部縦断正面図、第２図は
同じく一部を切断し、スラスト受は板を除去した側面図
、第３図はこの発明の装置を複数並列する場合の一部斜
視図である。
１・・・フレーム ２・・・加圧ねじ３．３
ａ・・・圧延ロール ５・・・上部軸受６・・・下部
軸受 １０・・・モータ１１・・・出力軸
１２・・・スラスト受は板１３・・・取付ボルト
孔Fig. 1 is a partially longitudinal front view of an embodiment of the present invention, Fig. 2 is a partially cutaway side view with the thrust receiver plate removed, and Fig. 3 is a case in which a plurality of devices of the present invention are arranged in parallel. FIG. 1... Frame 2... Pressure screw 3.3
a... Rolling roll 5... Upper bearing 6... Lower bearing 10... Motor 11... Output shaft
12...Thrust receiver is plate 13...Mounting bolt hole
Claims (1)
ームの上辺に、圧延ロール軸の加圧手段を設け、該加圧
手段の方向と直角に圧延ロール軸を架設し、該圧延ロー
ル軸と駆動軸とを連結してなる直列伸線圧延装置 ２ フレームは一側開放型の方形であって、四隅に夫々
取付ボルト孔を設けた特許請求の範囲第１項記載の直列
伸線圧延装置 ３ 半メタル軸受は、受圧盤および加圧盤へ夫々設けた
特許請求の範囲第１項記載の直列伸線圧延装置 ４ 駆動軸はモータの出力軸とした特許請求の範囲第１
項記載の直列伸線圧延装置[Scope of Claims] 1. A pressure means for a roll shaft is provided on the upper side of a frame in which rolls are installed in parallel in the center, and the roll shaft is installed perpendicular to the direction of the pressure means, 2. A series wire drawing and rolling mill 2 in which the rolling roll shaft and a drive shaft are connected; Wire drawing and rolling device 3 A series wire drawing and rolling device 4 according to claim 1, in which the semi-metal bearings are provided on the pressure receiving plate and the pressure plate, respectively.Claim 1, in which the drive shaft is the output shaft of a motor.
Series wire drawing and rolling equipment described in section
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18048887A JPS63278602A (en) | 1987-07-20 | 1987-07-20 | Series wire drawing device |
| US07/221,917 US4982590A (en) | 1987-07-20 | 1988-07-20 | Roll-forming apparatus for wire stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18048887A JPS63278602A (en) | 1987-07-20 | 1987-07-20 | Series wire drawing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63278602A true JPS63278602A (en) | 1988-11-16 |
| JPH0354009B2 JPH0354009B2 (en) | 1991-08-16 |
Family
ID=16084110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18048887A Granted JPS63278602A (en) | 1987-07-20 | 1987-07-20 | Series wire drawing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63278602A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397872A (en) * | 2011-11-18 | 2012-04-04 | 绍兴永益金属制品有限公司 | Iron wire molding machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57181703A (en) * | 1981-05-02 | 1982-11-09 | Daido Steel Co Ltd | Shifting rolling device and changing method for roll |
-
1987
- 1987-07-20 JP JP18048887A patent/JPS63278602A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57181703A (en) * | 1981-05-02 | 1982-11-09 | Daido Steel Co Ltd | Shifting rolling device and changing method for roll |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102397872A (en) * | 2011-11-18 | 2012-04-04 | 绍兴永益金属制品有限公司 | Iron wire molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0354009B2 (en) | 1991-08-16 |
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