JPH01210102A - Method for rolling of steel bar stock without holding guide - Google Patents
Method for rolling of steel bar stock without holding guideInfo
- Publication number
- JPH01210102A JPH01210102A JP3370788A JP3370788A JPH01210102A JP H01210102 A JPH01210102 A JP H01210102A JP 3370788 A JP3370788 A JP 3370788A JP 3370788 A JP3370788 A JP 3370788A JP H01210102 A JPH01210102 A JP H01210102A
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- steel material
- rolls
- long steel
- stock
- 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
- 238000005096 rolling process Methods 0.000 title claims abstract description 92
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims description 12
- 238000007493 shaping process Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 32
- 230000006870 function Effects 0.000 abstract 3
- 230000009993 protective function Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は条鋼(棒鋼又は線温)の保持案内具無し圧延方
法に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a method for rolling a long steel (bar or wire) without a holding guide.
一般に、熱間圧延された条鋼素材は、更に別途、各種の
用途へ利用される最終製品形態に加工される。かかる加
r段階では、その加工作業等を軽減するために、加工原
料である条mJ材が予め最終製品・を法にまで仕上げ圧
延(精密圧延)されているものであることがψまれるの
はいうまでもない。Generally, the hot rolled steel bar material is further processed into final products that are used for various purposes. In this processing step, in order to reduce the processing work, etc., it is necessary to make sure that the raw material to be processed is finish-rolled (precision rolled) to the final product in advance. Needless to say.
そこで条鋼の圧延段階では、粗圧延乃至中間圧延した条
鋼素材を更に一連して仕−ヒげ圧延することになるので
あるが、この際、各種の用途へ利用される最終製品寸法
との関係で1条鋼素材の仕上げ圧延寸法を自在に行なう
ことが要請され、しかもこれを筒便に行なうことが要請
される。Therefore, at the stage of rolling steel bars, the rough rolled or intermediate rolled steel bars are further subjected to a series of finish rolling. It is required to freely adjust the finish rolling dimensions of a single-strip steel material, and moreover, it is required to perform this smoothly.
本発明はかかる要請に応える条鋼の保持案内具無し圧延
方法に関するものである。The present invention relates to a method of rolling a long steel bar without a holding guide in response to such demands.
〈従来の技術、その問題点〉 従来、条鋼素材を仕上げ圧延する方法として。<Conventional technology and its problems> Traditionally, this is a method for finishing rolling steel bars.
3台又は4台の圧延機を竪型と横型とで交互に配置し、
上流側の各圧延機における減面率を規制するように圧下
調整する方法(特開昭57−165101号、特開昭5
9−229204号)、また少なくとも3台の圧延機を
その圧延ロールの回転軸芯が交互に90度で偏位するよ
うに配置し、各圧延機における合計減面率を15%以下
で且つ最終二つの圧延機における減面率をそれぞれ3%
以下に規制する方法(特開昭60−152302号)、
更には少なくとも三つの駆動ロールを備える多数のロー
ルスタンドを配置し、これらのロールスタンド間に条鋼
素材の捻転防止用案内機構を設けない方法(特開昭54
−50459号)等が提案されている。Three or four rolling mills are arranged vertically and horizontally,
A method of adjusting the rolling reduction to regulate the area reduction rate in each upstream rolling mill (JP-A-57-165101, JP-A-5
No. 9-229204), and at least three rolling mills are arranged so that the rotating axes of their rolling rolls are alternately offset by 90 degrees, and the total area reduction rate in each rolling mill is 15% or less and the final The area reduction rate in the two rolling mills is 3% each.
The following method of regulation (Japanese Unexamined Patent Publication No. 60-152302),
Furthermore, there is a method in which a large number of roll stands each having at least three driving rolls are arranged, and a guide mechanism for preventing twisting of the long steel material is not provided between these roll stands (Japanese Patent Application Laid-Open No. 54
-50459) etc. have been proposed.
ところが、これらの従来法には、その構成上。However, these conventional methods have some drawbacks due to their structure.
条鋼素材に要求される多種の寸法へ仕上げ圧延するため
の圧延ロールの調整作業が厄介であったり、或は圧延機
群の構成それ自体が誠に複雑という問題点がある。There are problems in that the adjustment work of the rolling rolls for finish rolling the long steel material into the various dimensions required is troublesome, and the configuration of the rolling mill group itself is quite complicated.
〈発明が解決しようとする問題点、その解決手段〉
本発明は、叙上の如き従来の問題点を解決して、前述し
た要請に応える、改良された条鋼の保持案内具無し圧延
方法を提供するものである。<Problems to be Solved by the Invention and Means for Solving the Problems> The present invention solves the conventional problems as described above and provides an improved method for rolling long steel without holding guides, which meets the above-mentioned demands. It is something to do.
しかして本発明は、
熱間圧延した条鋼素材を仕上げ圧延するに際し、該条鋼
素材を下記の1)及び2)で形成される整形圧延機群へ
供給して、該条鋼素材の寸法を自在に仕上げることを特
徴とする条鋼の保持案内具無し圧延方法に係る。Therefore, in the present invention, when finish rolling a hot-rolled long steel material, the long steel material is supplied to a shaping rolling mill group formed by the following 1) and 2), so that the dimensions of the long steel material can be adjusted freely. The present invention relates to a method for rolling a long steel without a holding guide, which is characterized by finishing.
1)それぞれ圧下調整機構を備える2又は3パスの2ロ
ール圧延機からなり、各2ロール圧延機の入口側ガイド
は条鋼素材の捻転防止のための保持機能を有さず、該条
鋼素材の誘導機能のみを有し、且つ各パス合計で15%
以下の減面率を有する整形圧延機群であって
2)上記各パスにおける圧延ロールの回転軸芯が交互に
90度偏位されており、Uつ隣接する各パス間における
圧延ロールの回転軸芯距離が条鋼素材寸法の30倍以下
に設定された成形圧延機群
本発明において肝要な点は、条鋼素材を得る粗圧延乃至
中間圧延系列に対して、入口側ガイドに条鋼素材の捻転
防止用保持機能を持たせず、その誘導機能のみを持たせ
た所定の2ロール圧延機を2又は3パス直列に配置し、
該2ロール圧延機の圧ド調整という簡便な作業のみで、
条鋼素材を所望通りの寸法へ自在に仕上げ圧延する処に
ある。1) Consisting of two or three-pass two-roll rolling mills each equipped with a reduction adjustment mechanism, the inlet guide of each two-roll rolling mill does not have a holding function to prevent twisting of the long steel material, and does not guide the long steel material. Only features and 15% in total for each pass
A group of shaping rolling mills having the following area reduction ratio, 2) The rotation axes of the rolls in each pass are alternately deviated by 90 degrees, and the rotation axes of the rolls between U adjacent passes. Forming and rolling mill group in which the core distance is set to 30 times or less the length of the long steel material The important point in the present invention is that for the rough rolling to intermediate rolling series for obtaining the long steel material, an inlet guide is provided to prevent twisting of the long steel material. A predetermined two-roll rolling mill having only a guiding function without a holding function is arranged in series for two or three passes,
With just the simple task of adjusting the pressure of the two-roll rolling mill,
This is a place where steel bar materials are freely finished rolled to desired dimensions.
以下、図面に基いて本発明の構成を更に詳細に説明する
。Hereinafter, the configuration of the present invention will be explained in more detail based on the drawings.
〈実施例、その作用〉
第1図は本発明の一実施手順を示す系統図である0条鋼
素材を得るための粗圧延乃至中間圧延系列11に対し、
整形圧L@機群(仕」−げ圧延系列)21が配置されて
いる。粗圧延乃至中間圧延系列11から得られる条鋼素
材を、該条#4素材に要求される仕上げ寸法に応じ、予
め圧下調整をしておいた整形圧IL機群21へ供給し、
所9の寸法に仕−ヒげ圧延するのである。<Embodiments and their effects> FIG. 1 is a system diagram showing one implementation procedure of the present invention.
A shaping press L@ machine group (finishing rolling series) 21 is arranged. The long steel material obtained from the rough rolling to intermediate rolling series 11 is supplied to the forming rolling machine group 21 whose rolling reduction has been adjusted in advance according to the finished dimensions required for the #4 material,
It is then subjected to finish rolling to the dimensions of 9.
整形圧延機群21は、3パスの2ロール圧延機31 、
32 、33カラナリ、各20−ル圧延a31.32.
33の図示しない入口側ガイドは条鋼素材の捻転防止の
ための保持機能を有さす、該条鋼素材の誘導機能のみを
有し、該2ロール圧延機31.32.33は図示しない
圧下調整機構を備え、該圧下調整機構によって、L記の
3パス合計で15%以下の減面率を有するように形成さ
れ、しかも各パスにおける圧延ロール41,42.43
の回転軸芯が交互に90度偏位されていて、隣接する各
パス間における圧延ロール41.42.43の回転輛芯
距#(第2図中、L+、L1)が条鋼素材・1°法(直
径)の30倍以下となるように設定されている0合計の
減面率が15%を超えると、所定の寸法精度が得難く、
また回転軸芯距離が条鋼表材寸法の30倍を超えると、
該条鋼にねじれが発生し、本願発明のような保持案内具
無しの圧延を行なうことが困難である。The shaping rolling mill group 21 includes a 3-pass two-roll rolling mill 31,
32, 33 calanaris, each 20-mill rolling a31.32.
The entrance side guide 33 (not shown) has a holding function to prevent the long steel material from twisting and only has the function of guiding the long steel material, and the two roll rolling mills 31, 32, and 33 have a rolling reduction adjustment mechanism (not shown). The rolling rolls 41, 42, 43 are formed so as to have a reduction in area of 15% or less in the total of the three passes indicated by L, and the rolling rolls 41, 42, 43 in each pass are
The rotation axes of the rolling rolls 41, 42, and 43 between adjacent passes are alternately shifted by 90 degrees, and the rotation center distance # (L+, L1 in Fig. 2) of the long steel material is 1°. If the total area reduction rate, which is set to be 30 times or less than the diameter, exceeds 15%, it will be difficult to obtain the specified dimensional accuracy.
In addition, if the rotation axis distance exceeds 30 times the length of the bar surface material,
Twisting occurs in the bar, making it difficult to roll it without a holding guide as in the present invention.
第2図は第1図の整形圧延機群における各パスの圧延ロ
ール配置状態を示す拡大斜視図である。FIG. 2 is an enlarged perspective view showing the arrangement of rolling rolls in each pass in the shaping rolling mill group of FIG. 1. FIG.
第1図の整形圧延機群21における最初の2ロール圧延
機31の圧延ロール41は垂直ロールとなっており、該
2ロール圧延機31に隣接する次の2ロール圧延機32
の圧延ロール42は水平ロールとなっていて、該2ロー
ル圧延機32に隣接する最後の2ロール圧延機33の圧
延ロール43は再び垂直ロールとなっている。各パスに
おける圧延ロール41,42.43の回転軸芯が交互に
90度偏位されており、また圧延ロール41と圧延ロー
ル42との間の回転軸芯距離L1及び圧延ロール42と
圧延ロール43との間の回転軸芯距離L2がそれぞ−れ
条鋼素材の寸法の30倍以下に設定され、かかる3パス
合計で15%以下の減面率となるように形成されている
のである。この場合、付加条件として、良好な寸法精度
を得るため、最終2パスをそれぞれ3%以下の減面率と
なるように形成するのが好ましく、また各圧延ロール4
1゜42.43の孔型を90〜140度の比較的狭い開
き角度から選択して、該圧延ロール41,42.43の
ロール間隙の調整幅に余裕を持たせるのが好ましい。The rolling rolls 41 of the first two-roll rolling mill 31 in the shaping rolling mill group 21 in FIG. 1 are vertical rolls, and the next two-roll rolling mill 32 adjacent to the two-roll rolling mill 31
The rolling rolls 42 are horizontal rolls, and the rolling rolls 43 of the last two-roll rolling mill 33 adjacent to the two-roll rolling mill 32 are again vertical rolls. The rotational axes of the rolling rolls 41, 42, and 43 in each pass are alternately offset by 90 degrees, and the rotational axis distance L1 between the rolling roll 41 and the rolling roll 42 and the rolling axis distance L1 between the rolling roll 42 and the rolling roll 43 are alternately shifted by 90 degrees. The rotation axis distance L2 between the two is set to be 30 times or less the dimension of the bar steel material, respectively, and the area reduction rate is 15% or less in total for the three passes. In this case, as an additional condition, in order to obtain good dimensional accuracy, it is preferable to form each of the final two passes so that the area reduction rate is 3% or less, and each rolling roll 4
It is preferable to select a hole shape of 1°42.43 degrees from a relatively narrow opening angle of 90 to 140 degrees to provide a margin for adjustment of the roll gap of the rolling rolls 41, 42.43.
前述したように、各20−ル圧延fi31,32.33
の入口側ガイドは条鋼素材の誘導機能のみを有し、した
がっていわばルーズなものであるため、各20−ル圧延
a31,32.33の圧下調整のみによって条鋼素材を
自在の寸法に仕上げ圧延することができ、この場合に生
じる恐れのある条鋼素材の捻転による不都合を、隣接す
る各パス間における圧延ロール41,42.43の回転
軸芯側fa (L+ 、 L、□)を上述の如くできる
だけ短くすることによって未然に防止しているのである
。As mentioned above, each 20-rule rolling fi31,32.33
The entrance side guide has only the function of guiding the bar material and is therefore loose, so the bar material can be finished rolled to any size by adjusting the rolling reduction of each 20-roll rolling a31, 32, and 33. To avoid the inconvenience caused by twisting of the long steel material that may occur in this case, the rotation axis side fa (L+, L, □) of the rolling rolls 41, 42, 43 between adjacent passes should be made as short as possible as described above. By doing so, we are preventing it from happening.
本発明において、整形圧延機群を2又は3パスで形成し
、更に各パスにおける圧延ロールの回転軸芯を交互に9
0度偏位し、しかも該圧延ロールの回転軸芯距離を条鋼
素材の30倍以下に設定して、該整形圧延機群における
減面率を15%以下に規制しているのは、各圧延機の入
口側ガイドをいわばルーズにして圧下調整のみにより自
在な仕−I−げ寸法を得ることとの不可分の関係におけ
る実用上の観点及び試験結果に甚くもので、かかる規制
範囲内において、実用上無理なく、条鋼素材の圧延寸法
を例えば50φ±O,15mm程度にまで仕上げること
ができるのである。In the present invention, the shaping rolling mill group is formed in 2 or 3 passes, and furthermore, the rotation axes of the rolling rolls in each pass are alternately set at 9
The reason why each rolling mill is deviated by 0 degrees and the distance between the rotation axes of the rolling rolls is set to 30 times or less than that of the long steel material, and the area reduction rate in the shaping rolling mill group is regulated to 15% or less. This is extremely important from a practical point of view and test results in relation to the inseparable relationship between making the inlet guide of the machine loose and obtaining flexible finish dimensions only by adjusting the reduction, and within the scope of such regulations. In practical terms, it is possible to finish the rolled steel material to, for example, 50φ±O, 15 mm or so, without any difficulty.
〈発明の効果〉
以上説明した通りであるから、本発明には、条鋼素材を
自在の寸法に且つ簡便に仕上げ圧延することができると
いう効果がある。<Effects of the Invention> As explained above, the present invention has the effect that it is possible to easily finish roll a bar steel material to any size.
第1図は本発明の一実施手順を示す系統図、第2図は第
1図の整形圧延機群における各パスの圧延ロールの配置
状態を示す拡大斜視図である。
11・・粗圧延乃至中間圧延系列
21φ・整形圧延機群
31.32,33φ・2ロール圧延機
41.42,43・・圧延ロール
特許出願人 大同特殊鋼株式会社
代理人 弁理上 入 山 宏 正
第1図
第2図FIG. 1 is a system diagram showing one implementation procedure of the present invention, and FIG. 2 is an enlarged perspective view showing the arrangement of rolling rolls in each pass in the shaping rolling mill group of FIG. 1. 11... Rough rolling to intermediate rolling series 21φ, shaping rolling mill group 31.32, 33φ, 2-roll rolling mill 41.42, 43... Rolling roll patent applicant Daido Steel Co., Ltd. agent Attorney on patent attorney Hiromasa Iriyama Figure 1 Figure 2
Claims (1)
条鋼素材を下記の1)及び2)で形成される整形圧延機
群へ供給して、該条鋼素材の寸法を自在に仕上げること
を特徴とする条鋼の保持案内具無し圧延方法。 1)それぞれ圧下調整機構を備える2又は3パスの2ロ
ール圧延機からなり、各2ロール圧延機の入口側ガイド
は条鋼素材の捻転防止のための保持機能を有さず、該条
鋼素材の誘導機能のみを有し、且つ各パス合計で15%
以下の減面率を有する整形圧延機群であって2)上記各
パスにおける圧延ロールの回転軸芯が交互に90度偏位
されており、且つ隣接する各パス間における圧延ロール
の回転軸芯距離が条鋼素材寸法の30倍以下に設定され
た成形圧延機群[Claims] 1. When finish rolling a hot-rolled long steel material, the long steel material is supplied to a shaping rolling mill group formed by the following 1) and 2), and the dimensions of the long steel material are adjusted. A method for rolling steel bars without holding guides, which is characterized by the ability to finish freely. 1) Consisting of two or three-pass two-roll rolling mills each equipped with a reduction adjustment mechanism, the inlet guide of each two-roll rolling mill does not have a holding function to prevent twisting of the long steel material, and does not guide the long steel material. Only features and 15% in total for each pass
A shaping rolling mill group having the following area reduction ratio: 2) The rotation axes of the rolls in each pass are alternately offset by 90 degrees, and the rotation axes of the rolls between adjacent passes. A group of forming rolling mills whose distance is set to 30 times or less the length of the long steel material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63033707A JP2536575B2 (en) | 1988-02-16 | 1988-02-16 | Rolling method without holding guide for strip steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63033707A JP2536575B2 (en) | 1988-02-16 | 1988-02-16 | Rolling method without holding guide for strip steel |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01210102A true JPH01210102A (en) | 1989-08-23 |
JP2536575B2 JP2536575B2 (en) | 1996-09-18 |
Family
ID=12393887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63033707A Expired - Lifetime JP2536575B2 (en) | 1988-02-16 | 1988-02-16 | Rolling method without holding guide for strip steel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2536575B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0519470A2 (en) * | 1991-06-21 | 1992-12-23 | Sumitomo Metal Industries, Ltd. | A method of and an apparatus for producing wire |
JPH0847701A (en) * | 1994-08-05 | 1996-02-20 | Daido Steel Co Ltd | Manufacture of martensitic stainless steel wire |
JPH0899101A (en) * | 1994-08-05 | 1996-04-16 | Daido Steel Co Ltd | Manufacture of wire |
US6886527B2 (en) * | 2003-03-28 | 2005-05-03 | Rare Industries Inc. | Rotary vane motor |
JP2007136546A (en) * | 2005-10-21 | 2007-06-07 | National Institute For Materials Science | Warm controlled rolling apparatus and warm/cold continuous controlled rolling apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61165202A (en) * | 1985-01-14 | 1986-07-25 | Kobe Steel Ltd | Precise rolling method of steel bar |
-
1988
- 1988-02-16 JP JP63033707A patent/JP2536575B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61165202A (en) * | 1985-01-14 | 1986-07-25 | Kobe Steel Ltd | Precise rolling method of steel bar |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0519470A2 (en) * | 1991-06-21 | 1992-12-23 | Sumitomo Metal Industries, Ltd. | A method of and an apparatus for producing wire |
US5673584A (en) * | 1991-06-21 | 1997-10-07 | Sumitomo Metal Industries, Ltd. | Method of and an apparatus for producing wire |
JPH0847701A (en) * | 1994-08-05 | 1996-02-20 | Daido Steel Co Ltd | Manufacture of martensitic stainless steel wire |
JPH0899101A (en) * | 1994-08-05 | 1996-04-16 | Daido Steel Co Ltd | Manufacture of wire |
US6886527B2 (en) * | 2003-03-28 | 2005-05-03 | Rare Industries Inc. | Rotary vane motor |
JP2007136546A (en) * | 2005-10-21 | 2007-06-07 | National Institute For Materials Science | Warm controlled rolling apparatus and warm/cold continuous controlled rolling apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP2536575B2 (en) | 1996-09-18 |
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