EP3525945A1 - Schrägwalzwerk - Google Patents
SchrägwalzwerkInfo
- Publication number
- EP3525945A1 EP3525945A1 EP17781472.0A EP17781472A EP3525945A1 EP 3525945 A1 EP3525945 A1 EP 3525945A1 EP 17781472 A EP17781472 A EP 17781472A EP 3525945 A1 EP3525945 A1 EP 3525945A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- mill
- roll
- axis
- slanting
- 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 28
- 241000272165 Charadriidae Species 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 210000001050 stape Anatomy 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 3
- 241001504470 Motacillidae Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- 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
- B21B1/20—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 non-continuous process,(e.g. skew rolling, i.e. planetary cross rolling)
-
- 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
-
- 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
- B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
- B21B2203/32—Roll changing stools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/14—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by pivotally displacing
Definitions
- the invention relates to a cross rolling mill according to the preamble of claim 1.
- This object is achieved according to the invention for an initially mentioned skew rolling mill with the characterizing features of claim 1. Due to the pivotability of the stapes a simple and low-friction position compensation between the roller shaft and the actuator is possible, which can be done in particular in several directions.
- the number of roll shafts may preferably be two, three or even four.
- the cross rolling mill can proceed according to the Assel or at least operate similarly to the Assel method.
- An orientation of the roll axis about the adjusting axes is meant geometrically according to the invention, so that the adjusting axes no physical waves or To include something similar.
- the adjusting axes can preferably be aligned perpendicular to the roll axis, in particular also perpendicular to one another.
- An actuator may be within the meaning of the invention, each actuator by means of which the roller axis is adjusted.
- hydraulic cylinders or electromechanical actuators may be provided.
- the actuator may be configured to apply the rolling force to the workpiece.
- the roller shaft has at each of two opposite ends at least one pivot bearing and a pivotable compression stilt. In this way, a complete and particularly friction adjustable support can be made via the pivotable compression stilts.
- roller shaft In the interest of a simple and effective construction, it is generally advantageous for the roller shaft to be accommodated on a roller mill, wherein the roller frame is movably mounted about the adjusting axles and the pressure stilts are supported relative to the roller mill.
- the roller mill can be designed as a rigid frame, but movable relative to a frame frame.
- roller mill In an advantageous detailed design of the roller mill is thereby acted upon by means of a preferably hydraulic tension member against the direction of the rolling force. Together with the forces of the actuators as a total of a play-free mounting of the roller is achieved in their respective employment.
- the wedge on at least one end has a bearing dome pivotable with respect to the wedge. This allows a simple lateral offset of a Point of support of the stapes or the bearing dome.
- the bearing dome can be easily replaced as a wearing part.
- the stapes is pivotable from a neutral position in each spatial direction by an angle about a pivot point.
- At least two roll shafts preferably at least three roll shafts, particularly preferably all of the roll shafts of the cross rolling mill, are adjustably mounted according to one of the features described above.
- FIG. 1 shows a partial sectional view of a skew rolling mill according to the invention.
- FIG. 2 shows a schematic sectional view of a pivotable compression stilt along the section line A-A from FIG. 3.
- Fig. 3 shows a plan view of the wedge in Fig. 2 in four extreme pivotal positions.
- the skew rolling mill according to the invention shown in FIG. 1 comprises three roll shafts 1 of identical design, of which only one can be seen in the illustration.
- the roller shaft 1 has a roller body 2, which acts radially on a roller axis W or in the direction of a rolling force on a workpiece.
- the roller shaft 1 is rotated about a gimbal-hinged drive shaft 3 about the roll axis W.
- a rolling bearing 4, 5 supporting the rolling forces is arranged in each case.
- the pivot bearings 4, 5 are in turn received and supported on a roller mill 6, wherein the roller mill 6 is held by means of a bearing 7 movable relative to a frame 8 of the cross rolling mill.
- the roller mill is adjustable pivotable both about a first adjusting axis S1 and about a second adjusting axis S2.
- the second adjusting axis S2 extends in the illustration of FIG. 1 perpendicular to the plane of the drawing.
- the adjusting axes S1, S2 and the roll axis are perpendicular to each other, but need not intersect.
- the roller mill 6 is formed as a rigid, in cross-section substantially yoke-shaped component. Two support areas 6a of the roll mill, on the one hand, hold the pivot bearings 4, 5 and, on the other hand, are supported on an intermediate member 9, 10 on the other hand.
- the intermediate links are disposed between the roller mill 6 and the rotary bearings 4, 5 on the one hand and one of two actuators 1 1, 12 on the other hand.
- the actuators 1 1, 12 can also transmit the force exerted on the workpiece rolling force.
- the roller mill 6 is also pulled by a designed as a hydraulic cylinder tension member 13 against the rolling force, so that the roller mill 6 is always pressed firmly against the actuators.
- the force of the tension member is smaller than the force of the actuators and ensures a play-free positioning of the roller shaft 1 or enables a release of the workpiece.
- the intermediate members 9, 10 are each executed in the same design and are used to compensate for tilting and offset movements occurring between the actuators 1 1, 12 on the one hand and the roller mill 6 and the roller shaft 1 on the other hand.
- the intermediate members 9, 10 each comprise a compression stilt 14, 15.
- the compression stilts 14, 15 are each pivotable in several directions. This is achieved by dome-shaped bearings of the pressure stilts 14, 15.
- the pressure stilts are each provided on the actuator side with a concave spherical surface 14a, 15a, wherein a corresponding convex spherical surface is provided on the actuator.
- the pressure stilts are also provided with a concave dome surface 14b, 15b.
- a substantially hemispherical bearing dome 16, 17 is inserted into the end of the stapes 14, 15. This is pivotable over the dome-shaped surface 14b, 15b with respect to the pressure wedge and rests against the roller mill 6 with a flat counter surface. In this way, if necessary, a lateral offset of the counter surface relative to the roll mill can be made possible. It is understood that in other embodiments, inversely curved dome surfaces may be provided, so for example, convex Kalotten vom on the pressure stilts 14, 15 and correspondingly concave Kalottenvid on the actuators 14, 15 and / or the bearing cups 16, 17th
- the pressure stilts 14, 15 are pivotable from a neutral position in each spatial direction by a minimum angle about a pivot point.
- the fulcrum lies in each case in the geometric center of the actuator-side spherical surface.
- FIG. 3 In which a compression stilt 14, 15 is shown, which is pivoted in four different exemplary spatial directions at an angle up to a stop. In each case, a maximum lateral offset d of the mating surfaces of the bearing cups 16, 17 is made possible by the pivoting.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Support Of The Bearing (AREA)
- Friction Gearing (AREA)
- Crushing And Grinding (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17781472T PL3525945T3 (pl) | 2016-10-11 | 2017-10-10 | Walcarka skośna |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016219723.1A DE102016219723A1 (de) | 2016-10-11 | 2016-10-11 | Schrägwalzwerk |
PCT/EP2017/075784 WO2018069303A1 (de) | 2016-10-11 | 2017-10-10 | Schrägwalzwerk |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3525945A1 true EP3525945A1 (de) | 2019-08-21 |
EP3525945B1 EP3525945B1 (de) | 2020-02-19 |
Family
ID=60051513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17781472.0A Active EP3525945B1 (de) | 2016-10-11 | 2017-10-10 | Schrägwalzwerk |
Country Status (9)
Country | Link |
---|---|
US (1) | US11400498B2 (de) |
EP (1) | EP3525945B1 (de) |
JP (1) | JP6803992B2 (de) |
CN (1) | CN109843457B (de) |
DE (1) | DE102016219723A1 (de) |
ES (1) | ES2784391T3 (de) |
PL (1) | PL3525945T3 (de) |
RU (1) | RU2717425C1 (de) |
WO (1) | WO2018069303A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019123836A1 (de) * | 2019-09-05 | 2021-03-11 | Sms Group Gmbh | Schrägwalzaggregat sowie Verfahren zum Anstellen des Walzkalibers eines Schrägwalzaggregats |
CN112986854B (zh) * | 2021-02-03 | 2022-10-04 | 宇能电气有限公司 | 一种便携式航空启动电源检测设备 |
CN113843379B (zh) * | 2021-10-26 | 2022-04-22 | 宁波大学 | 一种成形阶梯轴的三辊斜轧装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2017374A (en) | 1932-09-07 | 1935-10-15 | Nat Tube Co | Tube rolling mill |
GB1289098A (de) * | 1968-10-21 | 1972-09-13 | ||
DE2814493C3 (de) * | 1978-03-31 | 1980-12-18 | Mannesmann Ag, 4000 Duesseldorf | Schrägwalzwerk |
US4348952A (en) * | 1981-01-19 | 1982-09-14 | Usm Corporation | Cross axis mechanism |
DE3406841A1 (de) | 1984-02-23 | 1985-09-12 | Mannesmann AG, 4000 Düsseldorf | Walzenanstellung fuer ein dreiwalzen-kegelschraegwalzwerk |
SU1251987A1 (ru) * | 1985-04-15 | 1986-08-23 | Предприятие П/Я В-2869 | Многовалкова клеть (ее варианты) |
RU2074777C1 (ru) * | 1994-10-12 | 1997-03-10 | Акционерное общество "Череповецкий сталепрокатный завод" | Многовалковая клеть |
JP3334771B2 (ja) * | 1995-01-23 | 2002-10-15 | 石川島播磨重工業株式会社 | 圧延機 |
DE19510694A1 (de) | 1995-03-14 | 1996-09-19 | Mannesmann Ag | Walzgerüst mit gekreuzten Arbeitswalzen |
US5655398A (en) * | 1995-05-11 | 1997-08-12 | Danieli United, A Division Of Danieli Corporation | Roll crossing and shifting system |
US5924319A (en) * | 1998-07-07 | 1999-07-20 | Danieli United | Roll crossing, offsetting, bending and shifting system for rolling mills |
DE10030823C2 (de) * | 2000-06-23 | 2003-08-07 | Gmt Ges Fuer Metallurg Technol | 3-Walzen-Schrägwalzgerüst |
DE10349056A1 (de) * | 2003-10-17 | 2005-05-19 | Kocks Technik Gmbh & Co. Kg | Verfahren und Vorrichtung zum Walzen von Walzgut in einer Walzanlage mit einem Schrägwalzwerk |
CN2784100Y (zh) * | 2005-04-19 | 2006-05-31 | 江苏包罗铜材集团股份有限公司 | 三辊斜轧冷穿、冷扩孔机 |
CN101758073B (zh) * | 2009-12-22 | 2012-06-27 | 太原重工股份有限公司 | 一种采用铸焊结构的斜轧二辊穿孔机 |
EP3108978B1 (de) * | 2015-06-26 | 2019-02-20 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Walzgerüst und walzverfahren |
-
2016
- 2016-10-11 DE DE102016219723.1A patent/DE102016219723A1/de not_active Withdrawn
-
2017
- 2017-10-10 RU RU2019110213A patent/RU2717425C1/ru active
- 2017-10-10 WO PCT/EP2017/075784 patent/WO2018069303A1/de active Search and Examination
- 2017-10-10 US US16/341,130 patent/US11400498B2/en active Active
- 2017-10-10 JP JP2019540699A patent/JP6803992B2/ja active Active
- 2017-10-10 EP EP17781472.0A patent/EP3525945B1/de active Active
- 2017-10-10 PL PL17781472T patent/PL3525945T3/pl unknown
- 2017-10-10 CN CN201780062830.9A patent/CN109843457B/zh active Active
- 2017-10-10 ES ES17781472T patent/ES2784391T3/es active Active
Also Published As
Publication number | Publication date |
---|---|
US11400498B2 (en) | 2022-08-02 |
EP3525945B1 (de) | 2020-02-19 |
JP6803992B2 (ja) | 2020-12-23 |
DE102016219723A1 (de) | 2018-04-12 |
CN109843457A (zh) | 2019-06-04 |
ES2784391T3 (es) | 2020-09-25 |
US20200188973A1 (en) | 2020-06-18 |
JP2019530582A (ja) | 2019-10-24 |
RU2717425C1 (ru) | 2020-03-23 |
CN109843457B (zh) | 2020-10-23 |
PL3525945T3 (pl) | 2020-07-13 |
WO2018069303A1 (de) | 2018-04-19 |
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