EP1013353A2 - Procédé pour commander un mécanisme hydraulique de rotation et d'avance pour un laminoir à pas de pélerin à froid - Google Patents
Procédé pour commander un mécanisme hydraulique de rotation et d'avance pour un laminoir à pas de pélerin à froid Download PDFInfo
- Publication number
- EP1013353A2 EP1013353A2 EP99250435A EP99250435A EP1013353A2 EP 1013353 A2 EP1013353 A2 EP 1013353A2 EP 99250435 A EP99250435 A EP 99250435A EP 99250435 A EP99250435 A EP 99250435A EP 1013353 A2 EP1013353 A2 EP 1013353A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic
- drive
- hydraulic motor
- turning
- advancing
- 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
- 238000000034 method Methods 0.000 title claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 3
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000003755 preservative agent 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
- B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
- B21B21/06—Devices for revolving work between the steps
- B21B21/065—Devices for revolving work between the steps for reciprocating stands
Definitions
- the invention relates to a method for regulating a hydraulic turning and Feed drive for a cold pilger rolling mill for the production of pipes in one of a crank mechanism which can be moved back and forth in the rolling direction, the Roll tapered calibrated rolls with changing rotation over the rolling stock and depending on the position of the crankshaft, the pipe is temporarily pushed forward and release, the turning and advancing of the tube using the associated drive elements of associated pressure medium-controlled Hydraulic motors.
- the complex route control means that it is difficult Localize errors.
- Well-trained experts are needed to clarify whether it is is a malfunction in the servohydraulics, in the control or in the mechanics acts. Such highly qualified personnel are in many pipe manufacturing companies not available.
- the object of the present invention is based on a known regulation a hydraulic rotary and feed drive an equipment for a Cold pilger rolling mill, with which the rotary and feed drive reliably, maintenance-friendly and inexpensive.
- the invention proposes that the Pressure supply of each hydraulic motor is regulated via a proportional valve, which depending on the required path of the moved by this hydraulic motor Drive organ is opened for a time interval proportional to this path.
- the regulation according to the invention is carried out using an easily understandable logic Help from simple components.
- the complicated route regulation is replaced by the specification of a time interval in which a control valve remains open. So that becomes a cost-effective solution to the problem at hand, found at the same time requires little maintenance and no unusual requirements to the maintenance staff.
- each drive member or hydraulic motor movement measured and stored with a Setpoint value is compared, and that based on detected deviations Time intervals for valve opening are corrected.
- the proposed regulation is sufficient because of its reliability and accuracy for the operation of a generic cold pilger rolling mill; with a simple The cold pilger rolling mill can also be operated without a demanding control operate. System faults can be easily located because the previously complex Position control of the servo valves is omitted.
- 1 denotes a hydraulic motor, which is connected to the spur gear 2, 3, 4 a sleeve 6 encompassing the tube 5 rotates, which in turn with the chuck 7 is connected.
- the chuck 7 is equipped with jaws 8 which are connected to the Surface of the tube 5 can be created and clamp it so that at Actuation of the hydraulic motor 1, the torque introduced via the transmission 2 to 4 is transferred to the tube 5.
- the associated control scheme according to the invention is shown in FIG.
- the crank angle ⁇ is measured on the crankshaft.
- a start value ⁇ start is predefined externally. If the crank angle ⁇ is greater than the start value ⁇ start , a proportional valve is opened for the time T. As a result, the chuck 7 is moved at the rotational speed ⁇ via the hydraulic drive 1, which results in the rotational angle ⁇ is during the time interval T.
- Shall ⁇ is proportional to the difference from the desired angle of rotation and the actual angle of rotation is ⁇ , a correction value .DELTA.T is calculated for the time interval .DELTA.T, in which the valve remains open.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Fluid-Pressure Circuits (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19860710A DE19860710A1 (de) | 1998-12-23 | 1998-12-23 | Verfahren zum Regeln eines hydraulischen Dreh- und Vorschubantriebes für ein Kaltpilgerwalzwerk |
| DE19860710 | 1998-12-23 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1013353A2 true EP1013353A2 (fr) | 2000-06-28 |
| EP1013353A3 EP1013353A3 (fr) | 2003-10-29 |
| EP1013353B1 EP1013353B1 (fr) | 2005-02-09 |
Family
ID=7893117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99250435A Expired - Lifetime EP1013353B1 (fr) | 1998-12-23 | 1999-12-13 | Procédé pour commander un mécanisme hydraulique de rotation et d'avance pour un laminoir à pas de pélerin à froid |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6257040B1 (fr) |
| EP (1) | EP1013353B1 (fr) |
| JP (1) | JP2000197906A (fr) |
| AT (1) | ATE288795T1 (fr) |
| DE (2) | DE19860710A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2448788C1 (ru) * | 2010-11-17 | 2012-04-27 | Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") | Стан холодной прокатки труб с наружными продольными ребрами |
| CN104853857A (zh) * | 2012-12-17 | 2015-08-19 | 山特维克原料技术德国公开股份有限公司 | 具有曲柄驱动机构的皮尔格式轧管机 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8161786B2 (en) * | 2008-04-15 | 2012-04-24 | Glen Stapleton | Apparatus for feeding and turning tube products into a pilger mill machine |
| EP2258491A1 (fr) * | 2009-06-04 | 2010-12-08 | Siemens Aktiengesellschaft | Outil de rotation pour une chaîne de laminage et procédé de fonctionnement d'une installation composite de coulée-laminage |
| DE102011110939A1 (de) * | 2011-08-17 | 2013-02-21 | Sms Meer Gmbh | Verfahren und Vorrichtung zum Herstellen kalt gepilgerter Rohre |
| CN107199263A (zh) * | 2017-04-27 | 2017-09-26 | 农思宇 | 薄壁钢管弯管机 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1939914C3 (de) * | 1969-08-01 | 1973-11-15 | Mannesmann-Meer Ag, 4050 Moenchengladbach | Einrichtung zum Steuern des hy drauhschen Verdreh und Vorschuban triebes fur Pilgerwalzwerke, insbesondere fur Kaltpilgerwalzwerke |
| US4037444A (en) * | 1977-01-10 | 1977-07-26 | Wean United, Inc. | Shell feed system for a cold pilger mill |
| US4562713A (en) * | 1983-12-14 | 1986-01-07 | Sumitomo Metal Industries, Ltd. | Cold pilger mill |
| DE4234394C1 (de) * | 1992-10-07 | 1993-11-04 | Mannesmann Ag | Vorschubgetriebe fuer ein kaltpilgerwalzwerk |
| US5921128A (en) * | 1996-12-17 | 1999-07-13 | Mannesmann Aktiengesellschaft | Method and apparatus for cold rolling tubes |
-
1998
- 1998-12-23 DE DE19860710A patent/DE19860710A1/de not_active Withdrawn
-
1999
- 1999-12-13 DE DE59911594T patent/DE59911594D1/de not_active Expired - Lifetime
- 1999-12-13 EP EP99250435A patent/EP1013353B1/fr not_active Expired - Lifetime
- 1999-12-13 AT AT99250435T patent/ATE288795T1/de not_active IP Right Cessation
- 1999-12-22 JP JP11363651A patent/JP2000197906A/ja active Pending
- 1999-12-23 US US09/471,870 patent/US6257040B1/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2448788C1 (ru) * | 2010-11-17 | 2012-04-27 | Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") | Стан холодной прокатки труб с наружными продольными ребрами |
| CN104853857A (zh) * | 2012-12-17 | 2015-08-19 | 山特维克原料技术德国公开股份有限公司 | 具有曲柄驱动机构的皮尔格式轧管机 |
Also Published As
| Publication number | Publication date |
|---|---|
| US6257040B1 (en) | 2001-07-10 |
| DE59911594D1 (de) | 2005-03-17 |
| DE19860710A1 (de) | 2000-06-29 |
| EP1013353B1 (fr) | 2005-02-09 |
| JP2000197906A (ja) | 2000-07-18 |
| EP1013353A3 (fr) | 2003-10-29 |
| ATE288795T1 (de) | 2005-02-15 |
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