EP1417049A1 - Bridleeinheit - Google Patents
BridleeinheitInfo
- Publication number
- EP1417049A1 EP1417049A1 EP02747368A EP02747368A EP1417049A1 EP 1417049 A1 EP1417049 A1 EP 1417049A1 EP 02747368 A EP02747368 A EP 02747368A EP 02747368 A EP02747368 A EP 02747368A EP 1417049 A1 EP1417049 A1 EP 1417049A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- strip
- bridle
- bridle unit
- belt
- 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 abstract description 7
- 238000004040 coloring Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/08—Braking or tensioning arrangements
-
- 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 invention relates to a bridle unit assigned to a roll stand with a plurality of rollers which are arranged fixedly below and a plurality of rollers which can be adjusted above the belt run and which can be moved from an initial position to the belt and from the belt to the initial position by means of a drive.
- Bridle units guide and align the belt and maintain its tension by lowering the adjustable rollers located above the belt run from the starting position onto the belt surface into a working position by means of the drive.
- the strip which is alternately bent in the working position, leaves the bridle unit at the roll closest to the roll gap of the assigned roll stand, at the level of the pass line of the roll stand.
- an additional color roller must be used between the bridle unit and the assigned roll stand.
- the additional color roller and the mechanical devices required for its operation extend the distance between the roll gap of the roll stand and the uncoiling of the strip.
- the greater distance between the roll gap and the uncoiling means that there are process disadvantages, in particular larger dimension lengths.
- the invention is therefore based on the object of providing a bridle unit which enables the strip to be colored without lengthening the distance between the roll gap and the uncoiling.
- the solution to this problem is based on the idea of decoupling the roll closest to the roll gap of the roll stand, so that the roll can be used either as a bridge roll or a color roll.
- the object is achieved in a bridle unit of the type mentioned at the outset in that the roller closest to the roll gap of the roll stand can be moved from an initial position above and / or below the belt run to the belt and from the belt into the initial position by means of an additional drive.
- the roll close to the nip remains in its starting position below the strip run at the level of the fixed bridle rolls, it works in a conventional manner as a bridle roll.
- the strip leaves the bridle unit at the level of the pass line of the roll stand.
- the roll close to the nip is to work as a color roll, it is moved onto the strip from the starting position above or below the strip run until the strip runs from the bridle unit into the roll gap at an acute angle to the pass line of the roll stand:
- the distance between the rolling Gap and uncoiling will not occur even if additional coloring of the tape is required.
- the roll closest to the roll gap of the roll stand can be moved to any intermediate position between the starting positions above and below the strip run, different entry angles to the pass line can be set when the strip is colored.
- This feature also allows the bridle unit to be better adapted to tapes of different thicknesses in both the bridle and coloration modes.
- Technically sensible inlet angles are between +/- 14 ° in relation to the pass line.
- an advantageous embodiment of the invention provides a position sensor which detects the position of the roll.
- the additional drive for the roll near the roll gap is designed as a pressure medium-operated, in particular hydraulic, cylinder that can be acted upon on both sides.
- a pressure medium-operated, in particular hydraulic, cylinder that can be acted upon on both sides.
- other mechanical or electrical drives which enable the roll close to the roll gap to be moved essentially vertically from an initial position above and below the strip run into different intermediate positions for the bridle-color operation of the roll.
- the bridle unit according to the invention can be used in all rolling stands for rolling non-ferrous metals or steels, in which a bridle unit with several rollers is required and, at the same time, there is a requirement for an entry angle of the strip into the rolling stand that deviates from the pass line. If the roll stands are not designed as one-way stands but as reversing stands, the bridle unit according to the invention should preferably be arranged on both sides. The invention is explained in more detail below on the basis of an exemplary embodiment:
- FIG. 2 a, b show the use of the bridle unit according to FIG. 1 in bridle mode
- FIGS. 3 a, b show the use of the bridle unit according to FIG. 1 in the coloring mode for coloring the top of the band and
- FIGS. 4 a, b show the use of the bridle unit according to FIG. 1 in the coloring mode for coloring the underside of the band.
- FIG. 1 shows a bridle unit 2 assigned to a partially illustrated roll stand 1, the rollers 3 of which are arranged above the belt run and can be moved from the starting position shown in FIG. 1 to a working position in which the rollers 3 rest on the belt 4 (cf. FIGS. 2b, 3b and 4b.
- a roller 11 of the bridle unit 2 closest to the roll gap 9 of the roll stand 1 can be moved vertically to the pass line 8 from the starting position 12 shown in FIG. 1 below the belt run to a starting position 13 shown in FIG. 3a above the belt run and any position between the starting positions 12 and 13 ,
- the starting position 12 of the roll 11 close to the roll gap corresponds to the position of the rollers 5 arranged firmly below the strip run, while the starting position 13 of the roll 11 close to the roll gap corresponds to the starting position of the adjustable rolls 3 arranged above the strip run (see FIG. 3a).
- FIGS. 2-4 FIGS. 2a, 3a and 4a each showing the threading of the tape for the respective operating mode and FIGS. 2b, 3b and 4b showing the operating mode itself :
- the roll gap 11 close to the roll gap remains in its starting position 12 at the level of the fixedly arranged rolls 5.
- the rolls 3 arranged on a support frame 14 move a hydraulic cylinder 15 from the starting position 16 towards the top of the band 4, so that the band 4 is alternately bent by the rollers 3, 5, 11 and leaves the roller gap near the roller 11 at the level of the pass line 8.
- rollers 3 and the roller 11 close to the roll gap are each brought into their starting position 13, 16 and the belt is placed on the two fixed rollers 5.
- the rollers 3 are then lowered according to FIG. 3b onto the top of the belt 4 in order to produce an alternating bend.
- the roller 11, which acts as a color roller, is lowered somewhat more than the rollers 3 in order to set an entry angle of the strip into the nip 9 that is different from the pass line 8.
- the rolls 3 are brought into their starting position 16 and the roll 11 near the roll gap into their starting position 12 and the strip onto the two fixed rolls 5 and the roll gap near Roll 11 hung up. Subsequently, the rollers 3 are lowered according to Figure 4b on the top of the belt 4 to produce an alternate bend.
- the roller 11 close to the roll gap, acting as a color roller, is raised somewhat in relation to the fixed rollers 5 in order to set an entry angle of the strip into the roll gap 9 that is different from the pass line 8.
- the roll 11 close to the roll gap can be adjusted in any intermediate positions between the starting positions 12 and 13 by means of a hydraulic cylinder 18.
- the piston rod 19 of the hydraulic cylinder 18 engages on a support frame 22 which is displaceably guided in a vertical guide 21.
- the right-angled support frame 22 enables the hydraulic cylinder 18 to be arranged directly next to the hydraulic cylinder 15 for the adjustable rollers 3 of the bridle unit 2 arranged above the belt run.
- the spatially close arrangement of the hydraulic cylinders 15, 18 in connection with the angled support frame 22 enables one closer distance to the roll stand 1 than a straight version of the support stand in a straight extension of the piston rod 19 of the hydraulic cylinder 18.
- roller gap-near roller 11 which coincides with the other rollers in the direction of the pass line 8 at center distance, by decoupling from the other rollers 5 arranged below the strip run, fulfills the dual function according to the invention without disadvantages for the rolling process, in particular because the overall length of the bridle unit un - is changed. An extension of the distance between the roll gap 9 and the uncoiling is therefore not associated with the bridle unit according to the invention.
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Metal Rolling (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Treatment Of Fiber Materials (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
- External Artificial Organs (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Replacement Of Web Rolls (AREA)
- Tyre Moulding (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10130969 | 2001-06-27 | ||
DE10130969A DE10130969A1 (de) | 2001-06-27 | 2001-06-27 | Bridleeinheit |
PCT/EP2002/006354 WO2003002278A1 (de) | 2001-06-27 | 2002-06-11 | Bridleeinheit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1417049A1 true EP1417049A1 (de) | 2004-05-12 |
EP1417049B1 EP1417049B1 (de) | 2005-01-26 |
Family
ID=7689622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02747368A Expired - Lifetime EP1417049B1 (de) | 2001-06-27 | 2002-06-11 | Bridleeinheit |
Country Status (14)
Country | Link |
---|---|
US (1) | US7299672B2 (de) |
EP (1) | EP1417049B1 (de) |
JP (1) | JP4372540B2 (de) |
KR (1) | KR100849117B1 (de) |
CN (1) | CN1234478C (de) |
AT (1) | ATE287772T1 (de) |
BR (1) | BR0209694B1 (de) |
CA (1) | CA2449796C (de) |
CZ (1) | CZ297376B6 (de) |
DE (2) | DE10130969A1 (de) |
ES (1) | ES2235062T3 (de) |
RU (1) | RU2292248C2 (de) |
WO (1) | WO2003002278A1 (de) |
ZA (1) | ZA200308883B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015101580B3 (de) | 2015-02-04 | 2016-06-02 | Hydro Aluminium Rolled Products Gmbh | Verfahren und Vorrichtung zum Prägewalzen eines Bandes |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2768542A (en) * | 1952-04-14 | 1956-10-30 | Kaiser Aluminium Chem Corp | Bridle roll assemblage |
GB1147986A (en) * | 1965-07-09 | 1969-04-10 | United Eng Foundry Co | Strip deflector means and control |
JPS4910426B1 (de) | 1970-12-28 | 1974-03-11 | ||
US3733869A (en) * | 1972-01-31 | 1973-05-22 | Kaiser Aluminium Chem Corp | Bridling attachment for a rolling mill |
JPS51109264A (ja) | 1975-03-24 | 1976-09-28 | Hitachi Ltd | Buraidorurooraashokosochi |
JPS5252852A (en) | 1975-10-27 | 1977-04-28 | Ishikawajima Harima Heavy Ind | Entry guide for roll mill |
DE19851480B4 (de) * | 1998-11-09 | 2007-09-13 | Sms Demag Ag | Positionsgeber zur Anstellhubwegmessung der Walzen eines Walzgerüstes |
-
2001
- 2001-06-27 DE DE10130969A patent/DE10130969A1/de not_active Withdrawn
-
2002
- 2002-06-11 AT AT02747368T patent/ATE287772T1/de active
- 2002-06-11 DE DE50202132T patent/DE50202132D1/de not_active Expired - Lifetime
- 2002-06-11 EP EP02747368A patent/EP1417049B1/de not_active Expired - Lifetime
- 2002-06-11 CN CNB028129032A patent/CN1234478C/zh not_active Expired - Fee Related
- 2002-06-11 JP JP2003508500A patent/JP4372540B2/ja not_active Expired - Lifetime
- 2002-06-11 BR BRPI0209694-3A patent/BR0209694B1/pt not_active IP Right Cessation
- 2002-06-11 CA CA002449796A patent/CA2449796C/en not_active Expired - Fee Related
- 2002-06-11 KR KR1020037015772A patent/KR100849117B1/ko active IP Right Grant
- 2002-06-11 RU RU2004102049/02A patent/RU2292248C2/ru not_active IP Right Cessation
- 2002-06-11 CZ CZ20033452A patent/CZ297376B6/cs not_active IP Right Cessation
- 2002-06-11 US US10/480,872 patent/US7299672B2/en not_active Expired - Lifetime
- 2002-06-11 ES ES02747368T patent/ES2235062T3/es not_active Expired - Lifetime
- 2002-06-11 WO PCT/EP2002/006354 patent/WO2003002278A1/de active IP Right Grant
-
2003
- 2003-11-14 ZA ZA200308883A patent/ZA200308883B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO03002278A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2449796C (en) | 2009-08-18 |
CZ297376B6 (cs) | 2006-11-15 |
DE50202132D1 (en) | 2005-03-03 |
ZA200308883B (en) | 2004-03-23 |
RU2004102049A (ru) | 2005-06-20 |
CN1234478C (zh) | 2006-01-04 |
DE10130969A1 (de) | 2003-01-16 |
KR100849117B1 (ko) | 2008-07-30 |
US7299672B2 (en) | 2007-11-27 |
KR20040015255A (ko) | 2004-02-18 |
CZ20033452A3 (cs) | 2004-12-15 |
WO2003002278A1 (de) | 2003-01-09 |
JP4372540B2 (ja) | 2009-11-25 |
BR0209694A (pt) | 2004-09-14 |
EP1417049B1 (de) | 2005-01-26 |
BR0209694B1 (pt) | 2010-08-10 |
ATE287772T1 (de) | 2005-02-15 |
CN1520342A (zh) | 2004-08-11 |
US20040148994A1 (en) | 2004-08-05 |
JP2004535301A (ja) | 2004-11-25 |
RU2292248C2 (ru) | 2007-01-27 |
CA2449796A1 (en) | 2003-01-09 |
ES2235062T3 (es) | 2005-07-01 |
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