EP3122483A1 - Verfahren zum anstellen einer richtwalze einer richtwalzanlage - Google Patents
Verfahren zum anstellen einer richtwalze einer richtwalzanlageInfo
- Publication number
- EP3122483A1 EP3122483A1 EP15712574.1A EP15712574A EP3122483A1 EP 3122483 A1 EP3122483 A1 EP 3122483A1 EP 15712574 A EP15712574 A EP 15712574A EP 3122483 A1 EP3122483 A1 EP 3122483A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- straightening
- actual
- straightened
- roller
- derived
- 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
Classifications
-
- 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
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
Definitions
- the invention relates to a method for hiring at least one adjustable straightening roller of a set up for Richtguts, a plurality of straightening rollers having directional dressing system, taking into account at least one Richtguteigenschaft the Richtguts.
- Richtgutabites not taking into account its Richtguteigenschaften, but taking into account Richtguteigenschaften a
- Richtgutabitess is directed, which has recently left the straightening mill. Thus occurring fluctuations in Richtguteigenschaften Richtgutabitess are only detected if this Richtgutabites the
- EP 0 946 312 B1 describes a method for instantaneous
- the object of the invention is to allow an optimal straightening of straightened and to reduce a committee in straightening straightening. This object is solved by the independent claims. Advantageous embodiments are given in the dependent claims, which in themselves or in various combinations with each other can constitute an aspect of the invention.
- the inventive method for hiring at least one adjustable straightening roller set up for straightening an Richtguts having a plurality straightening rolls leveling machine taking into account at least one Richtguteigenschaft the Richtguts, the Richtguteigenschaft is determined from a model containing assignments, each assignment at least one pre-recorded value of at least one measured variable on the one hand and / or one from previously acquired values for different measured variables
- the associated relationship is unambiguously assigned to a specific directivity property, wherein an actual value of the measured variable or an actual relationship derived from actual values for different measured quantities is determined by at least one test measurement, and the straightening property is determined from the model by the straightening property is selected, which is associated with a value of the measured variable, which substantially corresponds to the determined actual value of the measured variable, or is associated with a derived from values for different measures context, which essentially corresponds to the determined actual context.
- At least one straightening quality of a straightening material to be straightened can be determined from a previously prepared model instead of a direct measurement of the straightening quality on the straightening material to be straightened, in the individual straightening properties at least one detected value of at least one measured variable and / or one of previously acquired values for Different measures derived relationship is uniquely assigned.
- Determining a straightening property to be taken into account during a straightening process can take place under very low computational power and can therefore also be carried out "online" during a straightening process by matching actual values or actual relationships with values or relationships contained in the model This will automatically select the straightening property contained in the respective mapping
- a correlation may be given by a two-or-more-dimensional function or an at least partially given property of such a function be.
- the model can be an analytical or a numerical model.
- interpolation points can be calculated and then described using multidimensional regression functions.
- An analytical model and a numerical model can each be used to capture and unambiguous Assignment of at least one pre-recorded value of at least one
- the assignments contained in the model can be determined empirically from corresponding measurement campaigns by means of the straightening roll mill or the same or similarly designed straightening roll plants or by means of a dedicated separate test facility.
- the model can also be an online model or an offline model.
- the model may comprise a database in which the assignments are contained in the form of a process map which represents the individual
- the model may include a lookup table containing the mappings contained in the database.
- the creation of the database can be carried out before carrying out the further steps of the method according to the invention.
- a straightening property can be, for example, an initial curvature of a straightening material to be straightened, a modulus of elasticity of a straightening material to be straightened, a yield strength of a straightening material to be straightened or the like.
- two or more, in particular all, adjustable straightening rollers of a leveling machine can be made accordingly.
- an adjustment of straightening rolls of the straightening roll can be optimally adapted to the respective straightening properties of a straightening material to be straightened, as soon as a straightening material to be straightened enters the straightening roll. This can do that Richtgut be optimally directed from the beginning. Consequently, according to the method according to the invention, an optimal straightening of straightening material is made possible and the rejects during straightening in the form of insufficiently directed straightening material can be reduced.
- the test measurement can be carried out by means of at least one straightening roller of the straightening roller system and one of the straightening roller associated adjusting device and / or by means of a straightening roller upstream or separate test device.
- the test device may be simulated or otherwise formed at least part of the straightening rolling mill.
- a force acting on the selected straightening roller during a Testan the selected straightening roller up to a predetermined immersion depth in the respective straightening force and / or a travel of selected straightening roller used during a test employment of the selected straightening roller up to a predetermined immersion depth in the respective straightening.
- a force acting on the selected straightening roller during a Testan the selected straightening roller up to a predetermined immersion depth in the respective straightening force and / or a travel of selected straightening roller used during a test employment of the selected straightening roller up to a predetermined immersion depth in the respective straightening.
- Straightening roll cooperating, acting on the opposite side of the straightening straightening straightening roll force acting as a measured variable can be used.
- the selected straightening roller can with respect to a
- Mass flow direction in an end region preferably in a central region or particularly preferably in an initial region of a
- Straightening mill be arranged.
- job of the selected straightening roller which does not take place for straightening a Richtguts to be judged, but serves to a subsequent employment of at least one straightening roll of straightening roll, which also
- the selected straightening roller itself may be able to make judging a Richtguts to be judged.
- the respective predetermined immersion depth can be determined taking into account an elastic and / or plastic deformability of the straightening material to be straightened.
- the force and the travel can be detected, for example, via a coupled force-displacement measurement, from which the dependence of the force can be derived from the travel.
- a test job can be performed prior to judging, immediately at the beginning of judging, or during a break in a straightening process.
- the latter can be checked whether a successful employment of at least one straightening roller of the straightening mill can be maintained or changed.
- a relationship derived from values for different measured variables is determined by a
- Comparative function is formed, which is derived by means of a compensation calculation from the respective values for the different measured variables, wherein an actual relationship derived from actual values for different measured variables is formed by an actual comparison function, which by means of a
- Measured variables is derived.
- a compensation calculation for example, a Regressionstician or a curve fitting method can be used.
- not individual values but functions or descriptive parameters are compared with one another in order to select an assignment from the model.
- a selected straightening roller at which a force acting during a test employment on the selected straightening roll and / or on a roller cooperating with the selected straightening roller leaves a zero value
- an value for the selected straightening roller and / or one with the selected straightening roller cooperating straightening roller during the test application force from which a plastic deformation of the straightening to be straightened and an actual value for a slope of a force-displacement curve derived from a combined force-displacement measurement during the test setting is derived in the area of an exclusively elastic deformation of the Richtguts to be judged.
- a force acting on the selected straightening roller is detected as a function of the travel of the selected straightening roller.
- the zero value of the force is to be provided with a tolerance in order to detect an actual value for the travel of the selected straightening roller only when the selected straightening roller actually comes into contact with the straightening material to be straightened. If the null value were not provided with a tolerance, it could be
- a straightening roller coming into contact with the straightening material to be straightened is first used as the selected straightening roller on the straightening roller system.
- at least one straightening property can be determined as early as possible by means of the straightening installation itself, in particular before straightening a straightening object to be straightened has begun, which is accompanied by a reduction of rejects during straightening and an increase in the availability of a straightening mill.
- the hiring of at least one leveling roll takes place taking into account a thickness of the Richtguts to be straightened.
- the thickness of the straightening material to be straightened can be detected separately from the straightening installation by means of a suitable detection device, for example a laser-based thickness measuring system.
- the thickness of a Richtguts to be judged represents an important for an optimal employment of leveling rolls of a leveler system controlled variable.
- the determination of the straightening property takes place before or at the beginning of a straightening operation of the leveling machine.
- the latter means an online determination of the Richtguteigenschaft, so that this is not a shutdown of
- Straightening property is monitored during a straightening operation of the straightening mill, wherein upon detection of a deviation of the Ist-Richtguteigenschaft from the determined Richtguteigenschaft a readjustment of the employment of at least one straightening roller takes place.
- the monitoring of the straightening property can take place over the entire length of a straightening goods to be straightened.
- This refinement of the method is advantageous, since straightening properties of a straightening object to be straightened generally vary. This can be considered according to this embodiment of the method for optimal employment of straightening rollers of the leveler.
- Richtrichting located, to be straightened Richtguts from the respective instantaneous torques generated by the straightening rolls and from a on the Straightening rollers derived respectively acting forces derived yield strength of the straightened Richtguts.
- a straightening property namely the modulus of elasticity
- the determined modulus of elasticity can be used to regulate the respective employment of the leveling rolls.
- the speeds of the individual straightening rollers can be controlled taking into account the respective employment of the straightening rollers, by the contact of the straightening goods to be straightened with the straightening rollers or by their respective
- a further advantageous embodiment provides that the assignments contained in the model are determined by previous measurements on straightening goods to be straightened, wherein the measurements are carried out by means of straightening equipment, an identically designed straightening equipment or a separate test facility at different Richtgütern.
- the model contains empirically determined assignments. It is possible to generate additional assignments from current actual measurements and store them in the model.
- the computer program according to the invention comprises program code means stored on a computer-readable data carrier which cause a computer or a corresponding computer unit to carry out a method according to one of the aforementioned embodiments or any combination thereof, if they are present on the computer or the corresponding computer
- Arithmetic unit to be executed.
- the advantages mentioned above with respect to the method are connected accordingly.
- the data carrier according to the invention comprises an aforementioned
- Figure 1 an exemplary force-displacement diagram, which consists of a
- Figure 1 shows an exemplary force-displacement diagram, which has been derived from a force-displacement measurement according to the invention.
- the abscissa represents the travel s and the ordinate plots the force F acting on the selected straightening roller used for the force-displacement measurement. In the travel So leaves a force acting on the selected straightening roller F a tolerance-sensitive zero value.
- m e i is a slope of the force-displacement measurement derived force-displacement curve 1 in the approximately linear region of the force-displacement curve 1 at the beginning of immersion of the selected straightening roller in the respective straightening referred to, being linear in this Area an elastic deformation of the straightened Richtgut takes place.
- the force F p i is a slope of the force-displacement measurement derived force-displacement curve 1 in the approximately linear region of the force-displacement curve 1 at the beginning of immersion of the selected straightening roller in the respective straightening referred to, being linear in this Area an
- FIG. 1 shows a force acting on the selected straightening roller, from which the approximately linear region of the force-displacement curve 1 merges into a non-linear region of the force-displacement curve 1 in which a plastic deformation of the straightening material to be straightened takes place.
- Figure 2 shows a sequence of an embodiment of a method according to the invention.
- step 10 at least one value of at least one measured variable and / or of two or more measured variables is detected.
- Assignments are created in step 20, wherein each assignment unambiguously assigns at least one previously acquired value of at least one measured variable on the one hand and / or a context derived from previously acquired values for different measured variables to a specific target property.
- the assignments are stored in the form of at least one process map in a model.
- step 40 at least one actual value of at least one measured variable and / or of two or more measured variables is detected or an actual correlation derived from acquired actual values for different measured variables is determined.
- step 50 the detected actual value is compared with the mappings contained in the model to determine a directivity property to be taken into account in the planned directing of a directivity to be straightened by selecting the target property that has a value is associated with the measured variable, which essentially corresponds to the determined actual value of the measured variable, or is associated with a context derived from values for different measured quantities, which essentially corresponds to the ascertained actual relationship.
- step 60 the straightening property selected in step 50 is used to set the leveling rolls of a straightening mill.
- the dashed line in FIG. 2 indicates a test measurement for determining an actual value or an actual relationship, for the implementation of which an ongoing straightening process is briefly interrupted. This test measurement can be used to update or supplement the model.
- List of Reference Signs 1 force-displacement curve
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Control Of Metal Rolling (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014205900.3A DE102014205900A1 (de) | 2014-03-28 | 2014-03-28 | Verfahren zum Anstellen einer Richtwalze einer Richtwalzanlage |
| PCT/EP2015/055733 WO2015144539A1 (de) | 2014-03-28 | 2015-03-18 | Verfahren zum anstellen einer richtwalze einer richtwalzanlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3122483A1 true EP3122483A1 (de) | 2017-02-01 |
| EP3122483B1 EP3122483B1 (de) | 2017-08-09 |
Family
ID=52814961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15712574.1A Not-in-force EP3122483B1 (de) | 2014-03-28 | 2015-03-18 | Verfahren zum anstellen einer richtwalze einer richtwalzanlage |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3122483B1 (de) |
| KR (1) | KR101877341B1 (de) |
| CN (1) | CN106132576B (de) |
| DE (1) | DE102014205900A1 (de) |
| RU (1) | RU2657882C2 (de) |
| WO (1) | WO2015144539A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102677254B1 (ko) * | 2018-10-31 | 2024-06-21 | 쉴로이니게르 아게 | 케이블 처리 기계용 얼라이닝 장치 및 얼라이닝 시스템 운영 방법 |
| AT522234B1 (de) * | 2019-02-28 | 2022-05-15 | Evg Entwicklungs U Verwertungs Ges M B H | Verfahren und Vorrichtung zum Geraderichten von Draht oder Bandmaterial |
| KR102357555B1 (ko) * | 2020-06-30 | 2022-02-04 | 한국전력공사 | 고주파 가열을 이용한 로터 벤딩 교정 방법 및 이를 이용한 로터 벤딩 교정 장치 |
| CN112893522B (zh) * | 2021-01-20 | 2023-04-28 | 湖北重装重工装备有限公司 | 一种高精度矫平机开口量自动调节系统及方法 |
| AT524979B1 (de) | 2021-04-27 | 2025-07-15 | Evg Entwicklungs U Verwertungs Ges M B H | Drahtrichtmaschine und Verfahren zum Geraderichten von Draht oder Bandmaterial |
| DE102023126784A1 (de) | 2023-10-02 | 2025-04-03 | Wafios Aktiengesellschaft | Verfahren und System zum Einrichten eines Richtsystems |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60174214A (ja) * | 1984-02-20 | 1985-09-07 | Ishikawajima Harima Heavy Ind Co Ltd | ロ−ラ−矯正装置の自動圧下制御方法 |
| DE19653569C2 (de) * | 1996-12-20 | 1999-07-22 | Witels App Masch Albert Gmbh | Verfahren zur automatisierten Führung eines Richtprozesses |
| FR2851943B1 (fr) * | 2003-03-07 | 2005-04-08 | Dispositif et procede de calibrage d'une planeuse a rouleaux par barre instrumentee | |
| US7185519B2 (en) * | 2003-09-15 | 2007-03-06 | The Bradbury Company, Inc. | Methods and apparatus for monitoring and conditioning strip material |
| DE102004041732A1 (de) * | 2004-08-28 | 2006-03-02 | Sms Demag Ag | Verfahren zum Richten eines Metallbandes und Richtmaschine |
| RU2401712C2 (ru) * | 2005-06-30 | 2010-10-20 | Ниппон Стил Корпорейшн | Способ проектирования деталей, устройство проектирования деталей, компьютерный программный продукт и компьютерно-считываемый носитель информации |
| DE102005037138A1 (de) * | 2005-08-06 | 2007-02-08 | Sms Demag Ag | Verfahren und Vorrichtung zum präzisen Positionieren einer Anzahl zusammenwirkender Walz- oder Rollenelemente |
| DE102006028102A1 (de) * | 2006-06-19 | 2007-12-20 | Siemens Ag | Abhaspeleinrichtung |
| CN101602080B (zh) * | 2009-06-11 | 2011-03-16 | 南京钢铁股份有限公司 | 中厚钢板轧制生产线矫直机前后端自动水平调整方法 |
| AU2011311892B2 (en) * | 2010-10-06 | 2016-03-17 | The Bradbury Company, Inc. | Apparatus and methods to increase the efficiency of roll-forming and leveling systems |
-
2014
- 2014-03-28 DE DE102014205900.3A patent/DE102014205900A1/de not_active Withdrawn
-
2015
- 2015-03-18 EP EP15712574.1A patent/EP3122483B1/de not_active Not-in-force
- 2015-03-18 KR KR1020167029294A patent/KR101877341B1/ko not_active Expired - Fee Related
- 2015-03-18 CN CN201580016903.1A patent/CN106132576B/zh not_active Expired - Fee Related
- 2015-03-18 WO PCT/EP2015/055733 patent/WO2015144539A1/de not_active Ceased
- 2015-03-18 RU RU2016142275A patent/RU2657882C2/ru not_active IP Right Cessation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2015144539A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014205900A1 (de) | 2015-10-01 |
| EP3122483B1 (de) | 2017-08-09 |
| RU2016142275A (ru) | 2018-04-28 |
| KR101877341B1 (ko) | 2018-07-11 |
| KR20160135340A (ko) | 2016-11-25 |
| CN106132576A (zh) | 2016-11-16 |
| WO2015144539A1 (de) | 2015-10-01 |
| RU2657882C2 (ru) | 2018-06-18 |
| CN106132576B (zh) | 2018-08-07 |
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