CN1608761A - Method and equipment for rolling rolled piece in a rolling equipment with diagonal rolling machine - Google Patents
Method and equipment for rolling rolled piece in a rolling equipment with diagonal rolling machine Download PDFInfo
- Publication number
- CN1608761A CN1608761A CN200410085011.0A CN200410085011A CN1608761A CN 1608761 A CN1608761 A CN 1608761A CN 200410085011 A CN200410085011 A CN 200410085011A CN 1608761 A CN1608761 A CN 1608761A
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- China
- Prior art keywords
- rolling
- rolled piece
- planetary
- rolling mill
- equipment
- 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 112
- 238000000034 method Methods 0.000 title claims description 25
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 4
- 238000011326 mechanical measurement Methods 0.000 claims 1
- 238000003801 milling Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/78—Control of tube rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/46—Roll speed or drive motor control
-
- 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
- B21B13/008—Skew rolling stands, e.g. for rolling rounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/06—Rolling hollow basic material, e.g. Assel mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention relates to a rolling device, which is arranged with planetary skew rolling mill and a vertical rolling mill, as well as a measuring instrument for detecting the rotation of the skew rolling mill on the export and adjusting at least one drive parameter of the planetary skew rolling mill based on measuring value.
Description
Technical field
The present invention relates to a kind of method and apparatus of having the rolling rolled piece of rolling equipment of skew rolling mill at one of being used for.
Background technology
Use has the rolling equipment of skew rolling mill, so that the rolled piece of rolling for example metal seamless tube or other circular cross section, as bar.
In a kind of skew rolling mill, a plurality of rolls are arranged on the circumference for the treatment of rolling rolled piece.Described rolled piece places rotation status to deform simultaneously between these rolls with the equidirectional rotation.In order to make rolled piece acquisition motion in the vertical, described roll tilts with respect to the rolled piece longitudinal axis with a given angle in tangential plane.This layout makes rolled piece produce a kind of spiral yarn shaped motion thus.
There are some defectives in the frame mode of above-mentioned skew rolling mill, and they are especially owing to the rotation of rolled piece around its longitudinal axis produces.These defectives have been to limit supporting and guider and lower transporting velocity of maximum length of rolled piece, costliness.The vibration of rolled piece in rotation is disadvantageous for the rolled piece quality.
These defectives cause the development of planetary skew rolling mill, and the stack that they rotatablely move by a plurality of construction packages can not realize under the situation of longitudinal axis rotation of himself rolling at rolled piece in principle.Germany Patent document 195 10 715 C2 have described so planetary skew rolling mill.The structure of the described device of DE195 10 715 C2 has a rotor by a main drive motion, and this rotor surrounds rolled piece and can be rotated to support on four planetary rolls.These planetary rolls are along with rotor rotates.Except along with rotor is rotated, planetary roll is also driven around its longitudinal axis rotatably by an additional drive system.But verified, can not stop the rotation of rolled piece during rolling fully by the known measure of DE 195 10 715C2.
Problem is, especially when rolled piece directly entered longitudinal rolling mills in the outlet at skew rolling mill, such rotation appearred in rolled piece.In longitudinal rolling mills rolled piece usually rotation clamp regularly, therefore cause the torque load of rolled piece by rotatablely moving of causing of skew rolling mill.These torque loads reduce rolled piece qualities and under serious situation, especially for the thin-walled rolled piece, cause the cross breaks defect in the rolled piece.
Summary of the invention
Therefore the objective of the invention is, advise a kind of method and apparatus, it avoids above-mentioned defective and wherein almost not rotation of rolled piece during rolling.
This purpose is achieved by the content of each independent claims arranged side by side.Favourable expansion structure provides in the dependent claims.
According to method of the present invention regulation, to a planetary skew rolling mill (below be also referred to as: the rotation of rolling rolled piece is measured and at least one drives parameter with this measured value is used to regulate skew rolling mill skew rolling mill).By measuring the rotation of rolled piece, can determine the rotation of rolled piece and prevent rotation by at least one the driving parameter such as the skew rolling mill rotary speed of coupling oblique milling roller.
By prevent rolled piece rotation according to method of the present invention, not only prevent thus in planetary skew rolling mill but also the torque load of the rolled piece that prevents from longitudinal rolling mills, to clamp.The rolling rolled piece of described rolled piece and common methods is compared has higher quality.
Have realized that by the known measure of DE 195 10 715 C2 can not avoid fully rolling during the rotation of rolled piece.Its reason is that the ratio of selected rotor revolution number and planetary roll revolution only prevents the rolled piece rotation under certain rolling situation.When rolling situation when small differences in materials or slag deposition, variations in temperature, skin-friction coefficient variation or other factors change in owing to rolled piece, the rotation that then produces rolled piece.This rotation of described rolled piece often is very small (wriggling), especially in the time of rolling situation slight modification.Usually only can not discern this wriggling, but in final products, cause too big quality impairment with eyes.
Be preferred for rolling tubular rolled piece according to method of the present invention and make so-called pipe or rolling circular solids body such as bar.Described rolled piece is metal preferably, but also can be other material, as plastics.
In a preferred embodiment, described measurement is preferably carried out continuously in real time.Same adjusting also can be carried out continuously in real time, the feasible rolling condition that can adapt to variation apace.Especially during the whole operation of rolling, measure and regulate.
Described rolled piece is preferably in the planetary skew rolling mill rolling, wherein, a main drive drives a rotor that surrounds rolled piece, rotatably mounted planetary roll in described rotor, and an additional drive system makes planetary roll additionally around its longitudinal axis rotation separately.See also DE 195 10 715 C2 for preferred milling method in planetary skew rolling mill, its description for the milling method of planetary skew rolling mill is the part of this description.
The rotary speed of described rotor and/or planetary roll and direction of rotation preferably can be regulated by means of given theoretical value.These theoretical values can manual adjustments or can be taken out from database for the adjusting of computer support.These theoretical values preferably according to treat rolling rolled piece material, rolled piece external diameter and for hollow body according to the wall thickness of rolled piece and given.They preferably provide revolution, wherein do not expect to produce rotation for given rolling condition according to the present invention.
By changing one of them theoretical value according to measured value, realize simple adjustment structure thus according to the adjusting of the present invention's regulation is best.
Advantageously, by regulating, only a drive unit especially revolution of additional drive system is mated.Continue to simplify adjustment structure thus.
In a favourable expansion structure, for contactless measuring method is used in the rotation of determining rolled piece.But also can use other measuring method, for example mechanical, as friction inference measuring method.
Have a measuring instrument according to rolling equipment of the present invention, be used for determining the rotation of rolled piece.Can know by this measurement whether rolled piece rotates.Can show or for example be transported to a regulating loop with desired straight-line deviation.
The favourable layout of a corresponding measuring instrument can be positioned at the exit of skew rolling mill and especially be located immediately at oblique milling roller back.
Described planetary skew rolling mill has a main drive, is used to make the rotor rotation of surrounding rolled piece, and rotatably mounted planetary roll in rotor also has an additional drive system and is used to make planetary roll around its longitudinal axis rotation.See also DE 195 10 715 C2 for preferred planetary skew rolling mill structure, its description for planetary skew rolling mill structure is the part of this description.Described planetary skew rolling mill preferably has three or more planetary rolls, especially four planetary rolls.
Particularly preferably be, described skew rolling mill has an adjusting device relevant with the measured value of measuring instrument, is used to influence a driving parameter of skew rolling mill, as the rotation of oblique milling roller or planetary roll.
In a planetary skew rolling mill, described main drive and additional drive system preferably have separate regulating system.But also can use the adjusting device of a combination, it only influences a drive unit according to measured value or influences the driving parameter of two drive units simultaneously.Especially preferred is to keep only regulating additional drive system under the constant condition of main drive revolution.
In a preferred embodiment, described measuring instrument is the measuring instrument of a noncontacting measurement.But also can use other measuring method, Ji Xie measuring method for example is as based on the sealed measuring method of friction.
Be particularly useful for the rolled piece of rolling special thin-walled well according to method of the present invention with according to rolling equipment of the present invention.Zone is rolling and the rolled piece described thin-walled that another zone is rolled in longitudinal rolling mills is easy to fold especially under the torque load situation in skew rolling mill.
Description of drawings
Describe the present invention in detail by means of the embodiment shown in the accompanying drawings below.In the accompanying drawing
Fig. 1 has a planetary skew rolling mill and a longitudinal rolling mills according to the diagrammatic side view of rolling equipment of the present invention, treats rolling rolled piece before entering into longitudinal rolling mills,
Fig. 2 has a planetary skew rolling mill and a longitudinal rolling mills according to the diagrammatic side view of rolling equipment of the present invention, treats rolling rolled piece after entering into longitudinal rolling mills,
Fig. 3 schematic diagram illustrates the control loop according to rolling equipment of the present invention.
The specific embodiment
A rolling equipment shown in Figure 1, it comprises a planetary skew rolling mill 20, a longitudinal rolling mills 25 and a measuring instrument 8 that is arranged on therebetween.
Described planetary skew rolling mill 20 is made up of a plurality of planetary rolls 1, and they roll on rolled piece 6 with its underpart section.Not only all tilting in the vertical plane but also in horizontal plane at the longitudinal axis of this planetary roll 1 with respect to rolled piece 6.
Described planetary roll 1 can be rotated to support in the rotor 2 in its back-end, and its rotation overlaps with the longitudinal axis of rolled piece.Described rotor 2 drives by the output shaft 3 of a decelerator by a main drive.This rotor 2 and the planetary roll 1 that is bearing in are wherein carried out rotatablely moving around rolled piece 6.
In addition, some gears 4 are arranged on planetary roll 1, these gears and sun gear 5 engagements.By with this engagement of sun gear 5, planetary roll 1 is in the rotation around self axis along with the rotation of rotor 2.
Described sun gear 5 drives by the output shaft 7 of a decelerator by a stack drive unit (additional drive system).The rotatablely move rotation of a stack causing planetary roll 1 of this of described sun gear is that it rotatablely moves by two and produce.
By of the stack of planetary roll 1, can under the situation that rolled piece 6 moves without spin, be rolled with rotor 2 rotations.Ratio between necessary for this reason rotor 2 rotating speeds and planetary roll 1 rotating speed changes according to the parameter that changes during the operation of rolling, changes as localized variation, variations in temperature, mill scale deposition or the skin-friction coefficient of the material situation of rolling raw material.A measuring instrument 8 is set in the outlet of skew rolling mill, and it is surveyed may be because parameter changes the n that rotatablely moves of the rolled piece 6 that causes
RohrAnd be delivered to a computer 9.By rotation speed n
RohrDerive a rotation speed difference deltan n, the theoretical value set-point addition of the outside of it and additional drive system 35.Obtain the theoretical rotational speed n of additional drive system 35 engines thus
Soll, so it depends on rotation speed n
RohrAn additional engine controller 30 is responsible for keeping set-point n
Soll
Described main drive 45 has a regulating loop 40 that is independent of additional or superposition gearing, and it only is responsible for regulating the theoretical value set-point of the outside that keeps main drive 45.
Rolling equipment during adjustment process shown in Figure 1, before rolled piece 6 entered longitudinal rolling mills 25, adjustment process preferably finished.Entered into longitudinal rolling mills 25 at rolled piece described in Fig. 26.This rolled piece no longer centers on rotatablely moving of self axis.Described system is positioned at the adjusted state that enters.
Claims (14)
1. method that is used at a rolling rolled piece of rolling equipment, this rolling equipment has a planetary skew rolling mill and the longitudinal rolling mills behind this planetary skew rolling mill, wherein partly during rolling a zone of described rolled piece rolling by planetary skew rolling mill, and another zone is rolling by longitudinal rolling mills simultaneously, it is characterized in that, rotating longitudinally around it of described rolled piece (6) surveyed and by means of this measured value at least one driving parameter of described planetary skew rolling mill (20) regulated.
2. the method for claim 1 is characterized in that, carries out described at least one driving parameter that skew rolling mill (20) was surveyed and regulated continuously to measured value continuously.
3. as each described method in claim 1 or 2, it is characterized in that described rolled piece is rolled, wherein in a planetary skew rolling mill (20)
-one main drive drives a rotor (2) that surrounds rolled piece, and in this rotor (2) rotatably mounted planetary roll (1), and
-one additional drive system makes described planetary roll (1) additionally around its longitudinal axis rotation separately.
4. method as claimed in claim 3 is characterized in that
-regulate rotor (2) and planetary roll (1) by means of given theoretical value rotary speed also
-change one of them theoretical value at least according to measured value.
5. as each described method in claim 3 or 4, it is characterized in that, only regulate the rotating speed of a drive unit according to the measured value of being surveyed.
6. method as claimed in claim 5 is characterized in that, described additional drive system is regulated.
7. the method according to any one of the preceding claims is characterized in that, carries out a kind of noncontacting measurement.
8. the method according to any one of the preceding claims is characterized in that, carries out a kind of mechanical measurement.
9. one kind is used for following rolling equipment at thereafter the rolling rolled piece of longitudinal rolling mills a planetary skew rolling mill and one, it is characterized in that, have a measuring instrument (8) that is arranged between planetary skew rolling mill (20) and the longitudinal rolling mills (25), be used for determining the rotation of described rolled piece (6).
10. rolling equipment as claimed in claim 9 is characterized in that having
-one be used for making the main drive of rotor (a 2) rotation of surrounding rolled piece (6) and planetary roll (1) that some can be rotated to support on this rotor and
-one additional drive system that makes described planetary roll (1) around its longitudinal axis rotation.
11., it is characterized in that having an adjusting device as each described rolling equipment in claim 9 or 10, be used for influencing a driving parameter of described skew rolling mill (20) according to the measured value of described measuring instrument (8).
12., it is characterized in that having an adjusting device as each described rolling equipment in claim 10 or 11, it is made up of two separate independent regulating systems that are used for main drive and additional drive system.
13., it is characterized in that having a contactless measuring instrument (8) as each described rolling equipment in the claim 9 to 12.
14., it is characterized in that having a mechanical type measuring instrument as each described rolling equipment in the claim 9 to 12.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10349056.6 | 2003-10-17 | ||
| DE2003149056 DE10349056A1 (en) | 2003-10-17 | 2003-10-17 | Process for rolling rolling stock e.g. metal rods in a rolling mill comprises measuring the rotation of the rolling stock about its longitudinal direction, and controlling a drive parameter of a planetary cross rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1608761A true CN1608761A (en) | 2005-04-27 |
| CN1608761B CN1608761B (en) | 2012-09-19 |
Family
ID=34442183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200410085011.0A Expired - Fee Related CN1608761B (en) | 2003-10-17 | 2004-10-13 | Method and equipment for rolling rolled piece in a rolling equipment with diagonal rolling machine |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN1608761B (en) |
| DE (1) | DE10349056A1 (en) |
| IT (1) | ITRM20040495A1 (en) |
| RU (1) | RU2366524C2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438990A (en) * | 2014-10-15 | 2015-03-25 | 张家港海陆环形锻件有限公司 | Large vertical type composite ring rolling mill and control method |
| CN109843457A (en) * | 2016-10-11 | 2019-06-04 | Sms集团有限公司 | Rotary piercing mill |
| CN112236242A (en) * | 2018-04-27 | 2021-01-15 | Sms集团股份有限公司 | Skew mill with hydraulic adjustment |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2351417C2 (en) * | 2007-02-14 | 2009-04-10 | ОАО "Челябинский трубопрокатный завод" | Method of pipe shell manufacture |
| DE102007014079A1 (en) | 2007-03-21 | 2008-09-25 | Kocks Technik Gmbh & Co. Kg | Method and device for rolling rolling in a rolling mill with a cross rolling mill |
| CN106391709B (en) * | 2016-12-20 | 2019-01-04 | 广东海亮铜业有限公司 | Continuous rolling planetary rolling |
| CN110270590B (en) * | 2019-06-20 | 2020-06-26 | 北京科技大学 | A double-shaft flexible skew rolling mill |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3220921A1 (en) * | 1982-06-03 | 1983-12-08 | Kocks Technik Gmbh & Co, 4010 Hilden | ROLLING MILL SYSTEM WITH A PLANETARY PULLING ROLLER |
| SU1242270A1 (en) * | 1985-01-30 | 1986-07-07 | Московский Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Институт Стали И Сплавов | Method of hot-rolled tubes |
| DE19510715C2 (en) * | 1995-03-24 | 2002-08-29 | Kocks Technik | Device for cross-rolling of tubular or rod-shaped rolling stock |
| DE19711257A1 (en) * | 1997-03-18 | 1998-09-24 | Schloemann Siemag Ag | Sensor for a planetary skew rolling mill as a CCD camera |
| CN2384697Y (en) * | 1999-08-06 | 2000-06-28 | 海门市江滨永久铜管厂 | Three Roller Planetary Rolling Mill |
| FI109528B (en) * | 1999-12-21 | 2002-08-30 | Outokumpu Oy | Rolling head for a planetary rolling device |
| EP1166907B1 (en) * | 2000-06-14 | 2005-11-30 | SMS Demag AG | Method of rolling tube blanks in a planetary skew rolling mill |
-
2003
- 2003-10-17 DE DE2003149056 patent/DE10349056A1/en not_active Ceased
-
2004
- 2004-10-13 IT ITRM20040495 patent/ITRM20040495A1/en unknown
- 2004-10-13 CN CN200410085011.0A patent/CN1608761B/en not_active Expired - Fee Related
- 2004-10-15 RU RU2004130361/02A patent/RU2366524C2/en active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438990A (en) * | 2014-10-15 | 2015-03-25 | 张家港海陆环形锻件有限公司 | Large vertical type composite ring rolling mill and control method |
| CN104438990B (en) * | 2014-10-15 | 2016-11-23 | 张家港中环海陆特锻股份有限公司 | A kind of large-scale vertical is combined machine for rolling ring and control method |
| CN109843457A (en) * | 2016-10-11 | 2019-06-04 | Sms集团有限公司 | Rotary piercing mill |
| CN112236242A (en) * | 2018-04-27 | 2021-01-15 | Sms集团股份有限公司 | Skew mill with hydraulic adjustment |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2004130361A (en) | 2006-04-10 |
| ITRM20040495A1 (en) | 2005-01-13 |
| CN1608761B (en) | 2012-09-19 |
| RU2366524C2 (en) | 2009-09-10 |
| DE10349056A1 (en) | 2005-05-19 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20211013 |