EP1725352B1 - Planeuse a entraxe variable - Google Patents
Planeuse a entraxe variable Download PDFInfo
- Publication number
- EP1725352B1 EP1725352B1 EP05737040A EP05737040A EP1725352B1 EP 1725352 B1 EP1725352 B1 EP 1725352B1 EP 05737040 A EP05737040 A EP 05737040A EP 05737040 A EP05737040 A EP 05737040A EP 1725352 B1 EP1725352 B1 EP 1725352B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- planer
- leveller
- strip
- roll
- rollers
- 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.)
- Active
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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
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0071—Levelling the rolled product
Definitions
- the present invention relates to a non-tensile planer for gluing metal strips according to the preamble of claim 1, and the planing method using said planer.
- a planer according to the planer described in the preamble of claim 1 is known from the document FR-A-2334440 .
- a metal strip or plate undergoes various operations, such as hot rolling and cold rolling, to impart consistent dimensional characteristics along its length; thus a laminated metal strip theoretically possesses at all points a constant thickness and width.
- the rolling operation is not sufficient to obtain a band free of defects. Indeed, it may have non-developable flatness defects such as corrugations at the banks or the center, and / or developable defects such as a hanger or a tile, ie a curvature respectively depending on the length, depending on the width of the band.
- planer consists of two superimposed cassettes each supporting several motorized rollers of constant diameter, offset relative to each other, and arranged alternately above and below the path of the strip.
- This type of planer is configured, in terms of number of rollers, roll diameter, center distance and adjustment, so as to satisfactorily plan strips whose thickness is within a defined range.
- the present invention therefore aims to provide a planer in which the efforts and the planing torque are reduced compared to those of a conventional planer, while maintaining a good correction of flatness over the entire range of the planer, and by facilitating the control of the hanger and the tile.
- the subject of the invention is also a method for flattening a metal strip, in particular a steel strip, in which this planer is used with a plasticization ratio greater than or equal to 60% and less than or equal to 90%.
- the invention consists in proposing a planing machine in which at least the first five rollers from the entry of the planer have a center to center ratio identical to that of conventional planers, at least the last five rollers from the entrance of the planer have a center-to-spoke ratio close to that of a stripper, and wherein the distance between the intermediate rollers of the planer is advantageously increased.
- FIG. 1 schematically shown a planer 1 comprising two 2.3 superimposed cassettes and each supporting motorized rollers 4,4 'of constant radius R.
- this strip 5 is passed between the rollers 4,4 'and a planer inlet corresponding to the entrance of the strip 5 in the planer 1 is thus defined, and a planer output corresponding to the leaving the strip 5 out of the leveler 1.
- the rollers 4,4 ' are positioned offset from each other, and arranged alternately above and below the path of a metal strip 5.
- each cassette 2,3 must support at least n / 2 rolls 4,4 'and more precisely for a planer 1 having n + 1 rollers 4,4' the lower cassette 2 has (n / 2 ) +1 rolls 4 and the upper cassette 3 has n / 2 rolls 4 '.
- the axis of each of the rollers 4,4 'of a given cassette 2,3 is separated from the axis of the roll 4,4' immediately successive of the other cassette by a distance Ek which can be variable.
- the inventors have demonstrated that a reduction in the ratio of radius on the center distance between the rollers to a value of about 0.8, starting from the fifth roll from the entry of the planer, in a planer whose ratio radius on center distance between at least the first five rollers from the entry of the planer corresponded to the ratio radius on the center distance of a conventional planer, efforts and planing pairs could be reduced by 5 to 25% depending on the type of adjustment made.
- the ratio R / Ek is equal to the ratio R / E1, in which E1 corresponds to the center distance between the first roll from the planer entry and the second roll from the planer entry, R / E1 being between 0.90 and 0.95, included terminals, values which correspond to the ratio radius on center distance of a conventional planer.
- the ratio R / Ek is equal to the ratio R / En, in which En corresponds to distance between the last roll from the entry of the planer and the penultimate roll from the entry of the planer, R / En being between 0.70 and 0.80, inclusive, values which correspond to the ratio of radius to center distance of a conventional stripper.
- the ratio R / E1 is always greater than the ratio R / En. Furthermore, it is also appropriate that between the fifth roll from the input and the roll n-1 from the input of the planer, ie when k varies from 5 to n-1, has the following relationships: ( R / In ) ⁇ ( R / Ek ) ⁇ ( R / E ⁇ 1 ) , and ( R / Ek ) ⁇ ( R / E ⁇ k + 1 ) .
- the power of the planer according to the invention will be 15 to 20% lower than the power of a conventional planer.
- the inventors have found an increase in the number of operating points using a planer according to the invention, compared to a conventional planer having the same number of rollers.
- the number of operating points of a planer is determined by the adjustment to be made on the planer to obtain, at the output of the planer, a band having a zero hanger and a null tile.
- the greater the number of operating points for a given leveler the lower the stress at the settings. This represents an additional advantage because the duration of the adjustment of the planer according to the invention will be reduced.
- the ratio R / Ek is equal to the ratio R / E1, to the accuracy near the adjustments of distance between the rollers, for at least the five first rolls from the entrance of the planer.
- the planer comprises more than nine rolls, that is to say n greater than or equal to 8, to allow good correction of both defects not developable as developable defects. Indeed, under nine rollers, it becomes difficult to control the developable defects, and the sheet can retain a tile and a hanger residual.
- the planer comprises between 15 and 23 (inclusive), that is 14 ⁇ n ⁇ 22.
- the planer advantageously comprises between 11 and 17 rolls, that is to say 10 ⁇ n ⁇ 16.
- planer According to the quality of resolution of flatness defects and the search for gain in effort and in planing torque, the inventors have developed different types of planer, which we will describe.
- the planer is divided into two zones.
- a first zone is thus between the first roll from the entry of the planer and the roll (x + 1) from the entry of the planer, that is to say when k varies from 1 to x, and extends at least to the fifth roll from the entrance of the planer.
- the ratio radius on center distance R / Ek is constant and between 0.90 and 0.95 (inclusive).
- the second zone is between the roll (x + 1) from the input of the leveler and the last roll from the input of the leveler which is the roll (n + 1), ie when k varies from (x + 1) to n, and starts at least from roll n-3 from the input of the planer.
- the radius-to-center ratio R / Ek is constant and lies between 0.70 and 0.80 (including terminals).
- the planer is divided into three zones.
- a first zone is comprised, as in the first embodiment, between the first roller from the entrance of the planer and the roller (x + 1) from the entrance of the planer, ie when k varies from 1 to x, and extends at least to the fifth roll from the input of the planeuse.
- the ratio radius on center distance R / Ek is constant and between 0.90 and 0.95 (including terminals).
- a second zone in which one of the reports radius on center distance, which will be called R / Ex is between 0.80 and 0.90 (inclusive).
- This second area is between the fifth roll from the planer entry and the roll (n-4) from the planer entry, ie when x varies from 5 to (n- 4).
- a third area is located between the roll (x + 1) from the input and the last roll of the planer (roll (n + 1)), ie when k varies from (x + 1) ) to n.
- the radius-to-center ratio R / Ek is constant and lies between 0.70 and 0.80 (inclusive).
- the planer is also divided into three zones.
- a first zone is understood, as in the previous embodiments, between the first roll from the entry of the planer and the roll (x + 1) from the entry of the planer, ie when k varies from 1 to x, and extends at least to the fifth roll from the entrance of the planer.
- the radius-to-center ratio R / Ek is between 0.90 and 0.95 (including terminals).
- This second area is between the fifth roll from the planer entry and the roll (n-4) from the planer entry, ie when x varies from 5 to (n- 4).
- a third zone is located between the roll (x + 2) from the planer entry and the last roll of the planer (roll (n + 1)), ie when k varies from (x +2) to n.
- the radius-to-center ratio R / Ek is constant and lies between 0.70 and 0.80 (inclusive).
- the invention also relates to a method for gliding a metal strip in which one of the planers described above is used with a plastification rate equal to or greater than 60% and equal to or less than 90%.
- the plasticization rate of a metal strip is defined as the thickness of the plasticized metal strip over the total thickness.
- the plastification rate is less than 60%, it is no longer possible to remedy the flatness defects of the strip.
- this ratio is greater than 90%, the metal strip becomes difficult to glide, and in this case it is also difficult to remedy the flatness defects of the strip.
- the metal strip to be hovered may be steel, ordinary or stainless, coated with a metal coating for example based on zinc or an organic coating.
- Each of these levelers A, B, C and X is then passed through a strip of steel 2 mm thick by 1000 mm wide, applying either a 60% plasticization rate, ie 80%.
- the steel in question is a steel of the THR1000 type whose yield strength R p0.2 is 900 MPa.
- the figures 2 and 3 presents a curve of calculation of the residual hanger of the planed steel strip, according to the output clamping of the planer, for a level of plastification of 60% ( figure 2 ) and a plasticization rate of 80% ( figure 3 ).
- Table 1 gain on forces and torque and number of operating points, at 60% plasticization rate Gain on the input efforts of planeuse (%) Gain on the output exits of planeuse (%) Gain on total effort (%) Gain on the total torque of the planeuse (%) Number of operating points Planer A 23 11 17 35 1 Planer B 18 14 15 31 3 Planer C 15 14 14 25 9 Planer X - - - - 6 Gain on the input efforts of planeuse (%) Gain on the output exits of planeuse (%) Gain on total effort (%) Gain on the total torque of the planeuse (%) Number of operating points Planer A 23 8 16 27 5 Planer B 17 11 14 24 5 Planer C 15 13 14 22 5 Planer X - - - - 4
- the planeuse A is the planeuse which makes it possible to obtain the biggest gains in effort and torque, and whatever the rate of plasticization.
- this planer is not necessarily the most reliable if it is desired to give the sheet a perfectly zero hanger, since, especially when the plasticization rate is 60%, the number of operating points is 1, then that it is 9 for the planer C.
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Feeding And Guiding Record Carriers (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Treatment Of Fiber Materials (AREA)
- Pinball Game Machines (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Soil Working Implements (AREA)
- Rolling Contact Bearings (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Earth Drilling (AREA)
- Finger-Pressure Massage (AREA)
- Valve Device For Special Equipments (AREA)
- Vehicle Body Suspensions (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL05737040T PL1725352T3 (pl) | 2004-03-10 | 2005-03-01 | Prostownica o zmiennym rozstawie osi |
SI200530400T SI1725352T1 (sl) | 2004-03-10 | 2005-03-01 | Ravnalnik s spremenljivim osnim razmikom |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0402482A FR2867401B1 (fr) | 2004-03-10 | 2004-03-10 | Planeuse a entraxe variable |
PCT/FR2005/000482 WO2005097369A1 (fr) | 2004-03-10 | 2005-03-01 | Planeuse a entraxe variable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1725352A1 EP1725352A1 (fr) | 2006-11-29 |
EP1725352B1 true EP1725352B1 (fr) | 2008-07-16 |
Family
ID=34896424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05737040A Active EP1725352B1 (fr) | 2004-03-10 | 2005-03-01 | Planeuse a entraxe variable |
Country Status (19)
Country | Link |
---|---|
US (1) | US7617710B2 (pl) |
EP (1) | EP1725352B1 (pl) |
JP (1) | JP4657285B2 (pl) |
KR (1) | KR101030942B1 (pl) |
CN (1) | CN100425367C (pl) |
AT (1) | ATE401143T1 (pl) |
BR (1) | BRPI0508585B1 (pl) |
CA (1) | CA2558816C (pl) |
DE (1) | DE602005008207D1 (pl) |
ES (1) | ES2309748T3 (pl) |
FR (1) | FR2867401B1 (pl) |
MX (1) | MXPA06010322A (pl) |
PL (1) | PL1725352T3 (pl) |
PT (1) | PT1725352E (pl) |
RU (1) | RU2374021C2 (pl) |
SI (1) | SI1725352T1 (pl) |
UA (1) | UA89371C2 (pl) |
WO (1) | WO2005097369A1 (pl) |
ZA (1) | ZA200607315B (pl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104384246A (zh) * | 2014-09-30 | 2015-03-04 | 巢湖广丰金属制品有限公司 | 一种带钢精细整形自动控制系统和方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2893520B1 (fr) * | 2005-11-22 | 2009-05-15 | Vai Clecim Soc Par Actions Sim | Procede de planage d'un produit plat sous forme de bande ou de tole dans une machine a planer a rouleaux imbriques et installation de planage permettant la mise en oeuvre du procede. |
CN103331338A (zh) * | 2013-07-02 | 2013-10-02 | 无锡天惠塑机有限公司 | 准直式自动控制调直装置 |
BE1021399B1 (nl) * | 2014-04-17 | 2015-11-16 | Van Heyghen Staal Nv | Een productiemethode voor een vlakke metaalplaat |
US10010918B2 (en) * | 2016-10-05 | 2018-07-03 | Allor Manufacturing Inc. | Device and method for leveling a metal plate |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3312094A (en) * | 1963-11-29 | 1967-04-04 | Siegner Maschb G M B H | Sheet leveler |
FR2334440A1 (fr) * | 1975-12-09 | 1977-07-08 | Mesta Machine Co | Machine et procede pour dresser des toles |
US4635458A (en) * | 1985-04-24 | 1987-01-13 | Monarch Machine Tool Co. | Leveling apparatus |
JPS6261729A (ja) * | 1985-09-11 | 1987-03-18 | Hitachi Ltd | 小径ロ−ル群複合矯正機 |
JPH07164051A (ja) * | 1993-12-15 | 1995-06-27 | Kawasaki Steel Corp | ローラレベラの圧下量制御方法及びその実施に用いる制御装置 |
JP2000158045A (ja) * | 1998-11-24 | 2000-06-13 | Nisshin Steel Co Ltd | 鋼帯の形状矯正方法 |
CN1193836C (zh) * | 2001-10-19 | 2005-03-23 | 中国第二重型机械集团公司 | 板带材变辊距矫直机 |
-
2004
- 2004-03-10 FR FR0402482A patent/FR2867401B1/fr not_active Expired - Fee Related
-
2005
- 2005-03-01 DE DE602005008207T patent/DE602005008207D1/de active Active
- 2005-03-01 RU RU2006135638/02A patent/RU2374021C2/ru not_active IP Right Cessation
- 2005-03-01 KR KR1020067018477A patent/KR101030942B1/ko active IP Right Grant
- 2005-03-01 JP JP2007502365A patent/JP4657285B2/ja not_active Expired - Fee Related
- 2005-03-01 CN CNB2005800118708A patent/CN100425367C/zh not_active Expired - Fee Related
- 2005-03-01 BR BRPI0508585-3A patent/BRPI0508585B1/pt not_active IP Right Cessation
- 2005-03-01 US US10/591,912 patent/US7617710B2/en not_active Expired - Fee Related
- 2005-03-01 WO PCT/FR2005/000482 patent/WO2005097369A1/fr active IP Right Grant
- 2005-03-01 PT PT05737040T patent/PT1725352E/pt unknown
- 2005-03-01 MX MXPA06010322A patent/MXPA06010322A/es active IP Right Grant
- 2005-03-01 AT AT05737040T patent/ATE401143T1/de active
- 2005-03-01 EP EP05737040A patent/EP1725352B1/fr active Active
- 2005-03-01 UA UAA200610682A patent/UA89371C2/ru unknown
- 2005-03-01 CA CA2558816A patent/CA2558816C/en not_active Expired - Fee Related
- 2005-03-01 SI SI200530400T patent/SI1725352T1/sl unknown
- 2005-03-01 ES ES05737040T patent/ES2309748T3/es active Active
- 2005-03-01 PL PL05737040T patent/PL1725352T3/pl unknown
-
2006
- 2006-09-01 ZA ZA200607315A patent/ZA200607315B/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104384246A (zh) * | 2014-09-30 | 2015-03-04 | 巢湖广丰金属制品有限公司 | 一种带钢精细整形自动控制系统和方法 |
Also Published As
Publication number | Publication date |
---|---|
BRPI0508585B1 (pt) | 2019-05-07 |
ES2309748T3 (es) | 2008-12-16 |
MXPA06010322A (es) | 2008-03-25 |
CA2558816A1 (en) | 2005-10-20 |
US7617710B2 (en) | 2009-11-17 |
CN100425367C (zh) | 2008-10-15 |
KR101030942B1 (ko) | 2011-04-28 |
PL1725352T3 (pl) | 2008-12-31 |
CN1942259A (zh) | 2007-04-04 |
RU2006135638A (ru) | 2008-04-20 |
FR2867401B1 (fr) | 2006-04-21 |
ZA200607315B (en) | 2008-04-30 |
WO2005097369A1 (fr) | 2005-10-20 |
UA89371C2 (ru) | 2010-01-25 |
RU2374021C2 (ru) | 2009-11-27 |
JP2007528298A (ja) | 2007-10-11 |
KR20060126812A (ko) | 2006-12-08 |
EP1725352A1 (fr) | 2006-11-29 |
CA2558816C (en) | 2011-07-26 |
DE602005008207D1 (de) | 2008-08-28 |
PT1725352E (pt) | 2008-10-01 |
BRPI0508585A (pt) | 2007-08-21 |
JP4657285B2 (ja) | 2011-03-23 |
ATE401143T1 (de) | 2008-08-15 |
US20070186607A1 (en) | 2007-08-16 |
FR2867401A1 (fr) | 2005-09-16 |
SI1725352T1 (sl) | 2008-12-31 |
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