CN1063357C - Series rooling method - Google Patents
Series rooling method Download PDFInfo
- Publication number
- CN1063357C CN1063357C CN94115421A CN94115421A CN1063357C CN 1063357 C CN1063357 C CN 1063357C CN 94115421 A CN94115421 A CN 94115421A CN 94115421 A CN94115421 A CN 94115421A CN 1063357 C CN1063357 C CN 1063357C
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- China
- Prior art keywords
- rolled
- sizing mill
- reduction rate
- middle column
- roll
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- Expired - Lifetime
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The invention relates to a series method of rolling. A 1st sizing mill SM1 and 2nd sizing mill SM2 are arranged in series along the pass line of a material to be rolled. Each sizing mill SM1, SM2 can select two kinds of reduction rate of area and also composed so as to be capable of retreating from the pass line. And, in a pattern by which the material to be rolled which is rolled into required cross-sectional dimensions by passing through an intermediate train is passed through one or two of the 1st sizing mill SM1 and the 2nd sizing mill SM2, plural serialized products are manufactured in the range of the required cross-sectional dimensions by respectively changing the reduction rate of area.
Description
This invention relates to series rooling method, make the material that is rolled that is rolled into the desired profile size by the middle column of the operation of rolling, by two sizing mills, these two sizing mills can be accomplished and can selectively constitute some kinds of different section reduction rate, by the above-mentioned practice, can make some kinds of goods of seriation in the required size scope.
The pass schedule that bar steel and wire rod etc. are rolled material generally can roughly be divided into: roughing row, middle column and finish rolling row, the blank that is heated to set point of temperature is rolled into after the desired profile size through roughing row and middle column, is rolled into desired final section size (section shape) by the finish rolling row.And, in this finish rolling process, use sizing mill aptly with some milling trains.
Making the above-mentioned final section size that is rolled material for example under the situation of some kinds of goods of the seriation of φ 40-φ 78, set pass schedule as shown in Figure 5.In other words, make via what roughing row were rolled down to the desired profile size and be rolled material, its section size is rolled down to φ 46 by pass being set for the 1st middle column of φ 72-φ 57-φ 46.And make this be rolled material by having the sizing mill SM of the roll that forms the 1st pass, can obtain final section size is the goods of φ 40-φ 42.In addition, in the 1st middle column, what make that section size is rolled down to φ 57 is rolled material by being transformed to the sizing mill SM of the roll that forms the 2nd pass, and can obtain final section size is the goods of φ 50-φ 53; What make that section size is rolled down to φ 72 is rolled material by being transformed to the sizing mill SM of the roll that forms the 3rd pass, and can obtain final section size is the goods of φ 63-φ 66.
In addition, middle column in the above-mentioned pass schedule is transformed into the 2nd middle column, this the 2nd middle column is to set pass for φ 77-φ 62-φ 49, make by this middle column be rolled down to section size be φ 49 be rolled material by having the sizing mill SM of the roll that forms above-mentioned 1-the 3rd pass, 1. can obtain the goods that final section size is φ 43-φ 46 by 59 materials that are rolled of φ 49; 2. can obtain the goods that final section size is φ 54-φ 57 by the material that is rolled of φ 62; 3. can obtain the goods that final section size is φ 67-φ 72 by the material that is rolled of φ 77.Have again, middle column in the above-mentioned pass schedule is transformed into the 3rd middle column, this the 3rd middle column is to set pass for φ 80-φ 64-φ 53, make by this middle column be rolled down to section size be φ 53 be rolled material by having the sizing mill SM of the roll that forms above-mentioned 1-the 3rd pass, 1. can obtain the goods that final section size is φ 47-φ 49 by the material that is rolled of φ 53; 2. can obtain the goods that final section size is φ 58-φ 62 by the material that is rolled of φ 64; 3. can obtain the goods that final section size is φ 73-φ 78 by the material that is rolled of φ 80.
In other words, in being manufactured on the desired profile size range, under the situation of some kinds of goods of seriation, as shown in Figure 5, above-mentioned middle column need be reorganized into the large-scale conversion of each series, as A series, B series and C series.In this case, the shortcoming of existence is that the required time of large-scale conversion is long, thereby the actual job ratio reduces.In addition, after carrying out large-scale conversion, need to check that this checks that the time of institute's loss also is the reason that makes the reduction of actual job ratio in the shape of middle column rolling be rolled material and size etc.Have again, also disclose the reduction and the extremely complicated difficult point of roll inventory management of roll requirement (ロ-Le original unit) in middle column.
This invention proposes in order to solve it in view of above-mentioned problem, and its purpose is: a kind of 1 serial milling method that can improve actual job ratio and roll requirement is provided.
In order to capture above-mentioned problem, reach the object of the invention, the present invention proposes 1 serial milling method:
What make that middle column by the operation of rolling is rolled into the desired profile size is rolled material by having the sizing mill of two or three milling trains, to carry out finish rolling; It is characterized in that:
Along the above-mentioned roll line that is rolled material, in series configuration can selectively constitute the 1st sizing mill and the 2nd sizing mill of some kinds of different section reduction rate;
When in above-mentioned middle column, being rolled into being rolled material and carrying out finish rolling of desired profile size, use either party or two sides in the above-mentioned the 1st or the 2nd sizing mill, simultaneously, the combination of the section reduction rate that change can be selected with each sizing mill is rolled, and makes the goods in the desired profile size range serially.
Accompanying drawing is represented embodiments of the invention, wherein:
Fig. 1 is the illustrated planar figure of the summary formation of the expression sizing mill that can implement 1 serial milling method of the present invention;
Fig. 2 is the key diagram that the pass schedule that sizing mill carried out that embodiment relates to is used in expression;
Fig. 3 is the key diagram that the finish rolling that sizing mill carried out that embodiment relates to is used in expression;
Fig. 4 is the illustrated planar figure of the summary formation of the expression another kind of sizing mill that can implement series rooling method of the present invention;
Fig. 5 is the key diagram that expression utilizes the pass schedule that technical method in the past carries out.
Below, enumerate suitable embodiment and of the present invention 1 serial milling method is described referring to accompanying drawing.Fig. 1 represents the finish rolling row of course of hot rolling, lists configuration two sizing mill SM1, SM2 in this finish rolling, and three milling trains 10,12,14 of the 1st sizing mill SM1 and the 2nd each free arranged in series of sizing mill SM2 constitute.The structure of sizing mill SM1, SM2 is identical, and therefore, only the structure with regard to the 1st sizing mill SM1 is illustrated, the identical mark of mark on the same member of the 2nd sizing mill SM2, and detailed description is omitted.
Be arranged in the revolution axle center with respect to alternately 90 ° of the deflections of another roll of adjacency constituting each roll 16,18,20 that is disposed on three milling trains 10,12,14 of above-mentioned the 1st sizing mill SM1.Also have, in an embodiment, level is set in the axle center of set roll 16,20 on the 3rd milling train 14 in the 1st milling train 10 of the feeding direction upstream side of institute's rolling stock and downstream, and the axle center of set roll 18 is set for vertically on the 2nd milling train 12 of centre.In addition, constitute the roll the 16,18, the 20th of three milling trains 10,12,14 of the 1st sizing mill SM1, make with a drive motor 22 and drive by reductor 24.
In above-mentioned the 1st sizing mill SM1 and the 2nd sizing mill SM2, set and to select two kinds of section reduction rate by the speed difference that conversion produced that is installed in the gear (not giving diagram) in the power-transmission system.For example on the 1st sizing mill SM1, can select 10% and 17% section reduction rate, in addition, on the 2nd sizing mill SM2, can select 13.5% and 25.5% section reduction rate (referring to Fig. 3).In addition, each sizing mill SM1, SM2 make as required to keep out of the way from the roll line PL of institute's rolling stock, and the 1st sizing mill SM1 or the 2nd sizing mill SM2 can distinguish use separately.And,, can not need large-scale change middle column ground to make some kinds of goods of the seriation of following desired profile size range by changing combination with the selected section reduction rate of each sizing mill SM1, SM2.
Below, the effect of the series rooling method of present embodiment is described.As shown in Figure 2, with the middle column in the course of hot rolling, for example pass is set for φ 80-φ 64-φ 51.5, the section size that is rolled material of the final milling train by middle column is set φ 51.5 for.And, what make that section size forms φ 51.5 is rolled material separately by having selected the 1st sizing mill SM1 or the 2nd sizing mill SM2 of suitable section reduction rate, or by two sizing mill SM1, SM2, the section size that is rolled material can be rolled into 8 kinds of sizes in φ 40-φ 49 scopes shown below.
1. setting the section reduction rate of the 1st sizing mill SM1 for 10%, simultaneously, make the 2nd sizing mill SM2 by under the state of keeping out of the way on the roll line PL that is rolled material, by carry out finish rolling system to being rolled material, shown in Fig. 3 (a), be that the material that is rolled of φ 51.5 is rolled into φ 48.8 with section size.
2. setting the section reduction rate of the 1st sizing mill SM1 for 17%, simultaneously, make the 2nd sizing mill SM2 by under the state of keeping out of the way on the roll line PL that is rolled material, by carry out finish rolling system to being rolled material, shown in Fig. 3 (b), be that the material that is rolled of φ 51.5 is rolled into φ 46.9 with section size.
3. the 1st sizing mill SM1 is kept out of the way on by the roll line PL that is rolled material, simultaneously, the section reduction rate of the 2nd sizing mill SM2 set under 13.5% the state, by carry out finish rolling system to being rolled material, shown in Fig. 3 (c), be that the material that is rolled of φ 51.5 is rolled into φ 47.9 with section size.
4. the 1st sizing mill SM1 is kept out of the way on by the roll line PL that is rolled material, simultaneously, the section reduction rate of the 2nd sizing mill SM2 set under 25.5% the state, by carry out finish rolling system to being rolled material, shown in Fig. 3 (d), be that the material that is rolled of φ 51.5 is rolled into φ 44.5 with section size.
5. setting the section reduction rate of the 1st sizing mill SM1 for 10%, simultaneously, the section reduction rate of the 2nd sizing mill SM2 set under 13.5% the state, by carry out finish rolling system to being rolled material, shown in Fig. 3 (e), be that the material that is rolled of φ 51.5 is rolled into φ 45.4 with section size.
6. setting the section reduction rate of the 1st sizing mill SM1 for 10%, simultaneously, the section reduction rate of the 2nd sizing mill SM2 set under 25.5% the state, by carry out finish rolling system to being rolled material, shown in Fig. 3 (f), be that the material that is rolled of φ 51.5 is rolled into φ 42.1 with section size.
7. setting the section reduction rate of the 1st sizing mill SM1 for 17%, simultaneously, the section reduction rate of the 2nd sizing mill SM2 set under 13.5% the state, by carry out finish rolling system to being rolled material, shown in Fig. 3 (g), be that the material that is rolled of φ 51.5 is rolled into φ 43.7 with section size.
8. setting the section reduction rate of the 1st sizing mill SM1 for 17%, simultaneously, the section reduction rate of the 2nd sizing mill SM2 set under 25.5% the state, by carry out finish rolling system to being rolled material, shown in Fig. 3 (h), be that the material that is rolled of φ 51.5 is rolled into φ 40.5 with section size.
In addition, as shown in Figure 2, in above-mentioned middle column, section size is rolled into the material that is rolled of φ 64,, can makes the goods that section size is about φ 50-φ 62 by undertaken finish rolling system by above-mentioned pattern 1.-8..Have again, in middle column, section size is rolled into the material that is rolled of φ 80,, can in a series of, make the goods that section size is about φ 63-φ 78 by undertaken finish rolling system by 1. above-mentioned-8. pattern.
Use the 1st sizing mill SM1 and the 2nd sizing mill SM2 so selectively, simultaneously, the combination of the section reduction rate by changing each sizing mill SM1, SM2 can not need to make in middle column some goods of the seriation of desired profile size range (about φ 40-φ 78) with carrying out large-scale conversion.In other words, do not need to carry out the large-scale conversion of the roll on the middle column, therefore, the actual job ratio improves, and simultaneously, the requirement of roll is improved.In addition, owing to use same middle column, can try to achieve the rolling quality stabilisation.Also have,,, can seek the improvement significantly that roll requirement and roll inventory are managed in machine in groups etc. owing on middle column, do not carry out large-scale conversion when the type of drive as the milling train of middle column is to adopt under the situation of the common drive mode that is adopted.
Fig. 4 is another embodiment of expression sizing mill, the sizing mill SM1, the SM2 that have two milling trains 30,32 separately in series dispose along the roll line PL that is rolled material, simultaneously, two sizing mill SM1, SM2 are driven by reductor 36 by a drive motor 34.On this sizing mill SM1, SM2, also be to make the gear of in power-transmission system, being installed by conversion can select two kinds of section reduction rate separately, simultaneously, can only use either party sizing mill separately.In addition, each roll 38,40 that is disposed on two milling trains 30,32 is arranged in the revolution axle center with respect to alternately 90 ° of the deflections of another roll of adjacency.
Therefore, use sizing mill SM1, the SM2 of relevant another embodiment shown in Figure 4, carry out finish rolling system according to 1. above-mentioned-8. pattern, identical with the above embodiments, need not carry out large-scale conversion, can in a series of, be formed in some kinds of goods of seriation in the desired profile size range at the roll of middle column.
Also have, the Rankine-Hugoniot relations of the roll of each milling train on sizing mill shown in Figure 1 outside illustrated embodiment, it is contemplated that various examples.For example also can make the 1st milling train 10 is vertical with the axle center of the roll 16,20 of the 3rd milling train 14, and the axle center that makes the roll 18 of the 2nd milling train 12 is a level.In addition, can also drive each milling train of Fig. 1 and sizing mill shown in Figure 4 respectively by drive motor independently.Have, the section reduction rate that can select of each sizing mill also can not resemble and be defined as two kinds the embodiment, but can selectively set the section reduction rate more than three kinds again.
As mentioned above, when adopting relevant series rooling method of the present invention, the effect that obtains Be: can not carry out the large-scale series in the desired profile size range of making in conversion in middle column Therefore the several goods of changing, are improved the roll requirement, can alleviate roll simultaneously Stock control. In addition, can save inspection necessary after required time of large-scale conversion and the large-scale conversion Look into, can improve the actual job ratio. Not conversion middle column has, owing to can be sought rolling quality again Stabilisation etc.
Claims (1)
1. series rooling method, middle column by the operation of rolling is rolled into needs the material that is rolled of section size to carry out finish rolling by the sizing mill with two or three milling trains; It is characterized in that:
Along the above-mentioned roll line that is rolled material, in series configuration can selectively constitute the 1st sizing mill and the 2nd sizing mill of some kinds of different section reduction rate;
When in above-mentioned middle column, being rolled into being rolled material and carrying out finish rolling of desired profile size, use either party or two sides in the above-mentioned the 1st or the 2nd sizing mill, simultaneously, the combination of the section reduction rate that change can be selected with each sizing mill is rolled, and makes the goods in the desired profile size range serially.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP225112/1993 | 1993-08-17 | ||
| JP22511293A JP3287076B2 (en) | 1993-08-17 | 1993-08-17 | One-series rolling method |
| JP225112/93 | 1993-08-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1106318A CN1106318A (en) | 1995-08-09 |
| CN1063357C true CN1063357C (en) | 2001-03-21 |
Family
ID=16824171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94115421A Expired - Lifetime CN1063357C (en) | 1993-08-17 | 1994-08-16 | Series rooling method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3287076B2 (en) |
| KR (1) | KR100327830B1 (en) |
| CN (1) | CN1063357C (en) |
| TW (1) | TW254866B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325180C (en) * | 2004-07-29 | 2007-07-11 | 摩根建设公司 | Method of continuously hot rolling a heated billet into a plurality of finished products |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3345294B2 (en) | 1997-02-20 | 2002-11-18 | ブラザー工業株式会社 | Method of manufacturing ink jet recording head and recording head thereof |
| JP2000301203A (en) * | 1999-04-15 | 2000-10-31 | Daido Steel Co Ltd | Method and device for rolling wire rod |
| US6631981B2 (en) | 2000-07-06 | 2003-10-14 | Brother Kogyo Kabushiki Kaisha | Piezoelectric actuator of ink jet printer head |
| JP3925650B2 (en) | 2003-03-06 | 2007-06-06 | ブラザー工業株式会社 | Inkjet printer head |
| ITMI20041897A1 (en) * | 2004-10-06 | 2005-01-06 | Vai Pomini Srl | "EQUIPMENT AND METHOD FOR THE REDUCTION OF SECTION AND CALIBRATION OF MILL PRODUCTS FOR VERGELLA" |
| US7682000B2 (en) | 2005-03-24 | 2010-03-23 | Brother Kogyo Kabushiki Kaisha | Piezoelectric actuator, liquid transporting apparatus and method of producing piezoelectric actuator |
| CN106424133A (en) * | 2016-12-12 | 2017-02-22 | 常熟市龙腾特种钢有限公司 | Method for rolling 50 mm stainless steel bar material through rolling mill system for rolling 60 mm bar material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094663A (en) * | 1993-01-12 | 1994-11-09 | 摩根建造公司 | Multiple outlet finishing mill |
-
1993
- 1993-08-17 JP JP22511293A patent/JP3287076B2/en not_active Expired - Lifetime
-
1994
- 1994-08-03 TW TW083107089A patent/TW254866B/zh not_active IP Right Cessation
- 1994-08-16 CN CN94115421A patent/CN1063357C/en not_active Expired - Lifetime
- 1994-08-17 KR KR1019940020474A patent/KR100327830B1/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094663A (en) * | 1993-01-12 | 1994-11-09 | 摩根建造公司 | Multiple outlet finishing mill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325180C (en) * | 2004-07-29 | 2007-07-11 | 摩根建设公司 | Method of continuously hot rolling a heated billet into a plurality of finished products |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3287076B2 (en) | 2002-05-27 |
| KR950005392A (en) | 1995-03-20 |
| CN1106318A (en) | 1995-08-09 |
| TW254866B (en) | 1995-08-21 |
| KR100327830B1 (en) | 2002-06-22 |
| JPH0796301A (en) | 1995-04-11 |
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Expiration termination date: 20140816 Granted publication date: 20010321 |