US20060150702A1 - Rolling mill with support plates - Google Patents
Rolling mill with support plates Download PDFInfo
- Publication number
- US20060150702A1 US20060150702A1 US10/530,385 US53038505A US2006150702A1 US 20060150702 A1 US20060150702 A1 US 20060150702A1 US 53038505 A US53038505 A US 53038505A US 2006150702 A1 US2006150702 A1 US 2006150702A1
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- US
- United States
- Prior art keywords
- support plates
- roll
- rolls
- replacing
- undercarriage
- 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.)
- Abandoned
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 21
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 3
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
- B21B31/103—Manipulators or carriages therefor
Definitions
- the invention relates to a rolling mill having support plates or platforms which are provided on the operating side of the roll stands and which are displaced transversely to the axes of the rolls.
- these support plates are outfitted, in particular, with rail pairs and are located adjacent to a mill floor level to be able to transport the working rolls back and forth.
- the rolling mill further has trenches which are arranged upstream of respective roll stands on the operating side and have a base which is outfitted with run-out rails, in particular, for removal of back-up rolls.
- Such a rolling mill with support plates which are displaced transversely, i.e., in a rolling direction or in a direction opposite the rolling direction, are disclosed in DE 43 21 663 A1.
- the trenches which are arranged between the roll stands and the transversely displaceable support plate line, are overlapped by pivotal flaps.
- the flaps For replacement of the working rolls, the flaps occupy a horizontal position while for replacing the back-up rolls, they pivot out to free a trench for introducing back-up rolls sets.
- the working rolls are dragged by a traction machine from the roll stand over the flaps up to the support plates, with both the flaps and the support plates being outfitted with corresponding rail pairs.
- the object of the invention is to provide a rolling mill with which the replacement of working rolls takes place within a shorter time period.
- the basic idea consists in that the transversely displaceable support plates are displaced with a transport device from a position for replacing the working rolls into a position for replacing the back-up rolls and back, by being sunk transverse to the rolling direction in a direction of a control pulpit beneath the mill floor level and adjacent to a trench region.
- the support plates are arranged immediately adjacent to the roll stands and form themselves an upper closure of the trenches.
- the transverse displacement takes place directly in front of the rolling mill train. Thereby, the displacement path of the working rolls can be reduced, whereby the necessary time for the working roll replacement can be reduced to a minimum.
- the support plates are sunk at an angle through the trench region from a first position in which the support plates are located immediately adjacent to the roll stands above the trenches, to a second position in which they are located before the trench (viewing from the control pulpit) beneath the mill floor level, while retaining their alignment during the transportation movement.
- a transport device for the support plates e.g., a displaceable lifting platform can be used, which can provide for sinking of the plates beneath the mill floor level and for displacement out of the trench region necessary for the back-up roll sets.
- the transport device has an undercarriage with rolls.
- the support plates themselves are displaceably arranged with respect to an undercarriage table in order to enable the transverse displacement along the support plate line.
- On the base of a respective trench there are provided ramps which rise in a direction of the roll stand.
- a particularly advantageous solution consists in that the undercarriage is displaced by a piston-cylinder unit that is also used for transporting the back-up roll sets on the trench base. In this way, no further drive for the transport device is necessary.
- the piston or a piston-extending traverse is rotatably connected with a support rod the other end of which is rotatably supported on the bottom of the undercarriage table.
- the separate support plates need not to be connected with each other. They are rather movable with a side edge to a side edge.
- FIG. 1 a side view of a rolling mill with roll stands and an immediately adjoining the stands, line of support plates with separate sinking and displaceable support plates;
- FIG. 2 a plan view of the rolling mill shown in FIG. 1 ;
- FIG. 3 a cross-sectional view along line B-B in FIG. 1 with a support plate in a position in which it is used for changing the working rolls;
- FIG. 4 a cross-sectional view along line A-A in FIG. 1 with a support plate in a position in which it is used for changing the back-up rolls.
- FIGS. 1 and 2 show a rolling mill with, here, seven finishing roll stands F 1 -F 7 .
- BS operating side
- a line 1 of transversely displaceable support plates 2 is provided on the operating side BS (AS designates the opposite drive side) of the stand line, immediately laterally adjacent thereto.
- Each support plate 2 is equipped with rail pairs 3 extending along roll axes.
- a used working roll set 4 ′ has been pulled out on a support plate 2 a, while new working roll sets 5 are awaiting to be inserted on respective adjoining support plate 2 b and are brought in corresponding roll stands by transverse displacement in the line.
- ends 6 of the support plates 2 are located adjacent to the mill floor level 7 , which is likewise provided with roll pairs (not shown) for insertion and removal of working roll sets 4 , 5 with corresponding traction machines 8 (see FIGS. 3 and 4 ).
- the transportation with traction machines 8 can be effected, e.g., according to the method disclosed in DE 43 21 663 A1 in accordance with which tooth gears of a traction machine engage tooth racks arranged along the rails.
- the function of a traction machine can be performed by a hydraulic cylinder.
- FIGS. 3 and 4 On the operating side BS or in the direction of a control pulpit, adjacent to a roll stand Fi with a working roll set 4 and a back-up roll set 9 , there is provided a trench 10 the base 11 of which is equipped with run-out rails (not shown) for the back-up roll set 9 .
- the trench 10 In the position for changing the working roll set, which is shown in FIG. 3 , the trench 10 is covered by a support plate 2 .
- the support plate 2 flush covers the trench 10 between the roll stand Fi and the adjoining mill floor level 7 .
- the traction machines 8 which transport the working roll sets 4 in and out, can travel over the mill floor level 7 immediately up to the support plate 2 .
- the used roll sets 4 ′′ can be immediately pulled over corresponding rail tracks into the mill shop WW and then be displaced back from there.
- the support plates 2 themselves can be transported with a transport device 12 in the horizontal position shown in FIG. 3 , and be held there.
- the transport device 12 which is formed as undercarriage 13 , consists essentially of a table 14 with a roller pair 15 a, 15 b arranged thereon.
- the table 14 itself has rails 17 on its upper surface 16 (see FIG. 2 ) and which extend transverse to the roll axes and form a line, with the tables being pushed against each other.
- the support plates 2 have corresponding rollers 18 displaceable along the rail tracks for transverse displacement.
- a guide 19 is provided between a respective support plate 2 and the table upper surface 16 .
- the under-carriage 13 is located in an end position on two ramp pairs 20 a, 20 b or tapered rails, e.g., with inclination of about 20°.
- the position of the support plate 2 for changing the back-up rolls will be explained with reference to FIG. 4 . Because the trench is filled with the lower portion of the back-up roll set 9 , the support plate 2 is sunk with inclination downwardly in the region 21 that adjoins a region of the trench 10 .
- the undercarriage 13 is displaced along the ramp pair 20 a, 20 b away from the roll stand Fi below the floor level 7 , with the guide cams 22 facilitating the displacement.
- the guide cams 22 prevent a sidewise displacement of the table 14 during the sinking movement and in the sunk position.
- the displacement of the carriage 13 and, thereby, of the support plate 2 is effected with a piston-cylinder unit 23 that also displaces the back-up roll set 9 .
- a piston-extending traverse or adapter 24 is connected with the back-up roll set 9 and displaces the set 9 during a horizontal movement along run-out rails in the trench 10 and displaces back-up roll set back after an exchange of back-up rolls.
- the undercarriage 13 Simultaneously with the displacement of the back-up roll set 9 out, the undercarriage 13 is displaced from an elevated position into a sunk position below the floor level 7 .
- a push rod 25 which is rotatably secured in the center of the bottom of the table 14 , engages the undercarriage and pulls it from the ramps onto the sunk support plates.
- An end of the floor level that immediately adjoins the trench 10 is provided with a flap 31 .
- the front ramp pair 20 a is offset relative to the rear ramp pair 20 b.
- the run-out lines along the taped rails 30 can be seen particularly clear in FIG. 2 .
- the support plate 2 c which is associated with the second finishing roll stand F 2 , is shown as being sunk in its run-out position, e.g., transverse to the roll direction while all of the other support plates 2 are shown in the working roll exchange position.
- a working roll set 4 that was moved out and, next to it, a new working roll set 5 .
- the support plates preferably, are not connected with each other but are arranged side-by-side next to each other. They are moved back and forth with two pressure units 26 a, 26 b which engage, respectively, opposite ends of a line 1 of support plates.
- the plates 2 roll along rail pairs 17 provided in the table 14 of the undercarriage 13 .
- Side guide rollers 27 which roll along a guide unit 19 provided on the table 14 , prevent tilting.
- Each support plate 2 is associated with an adjustment unit 28 the position of which is variably adjustable and with which a respective support plate 2 can be adjusted with respect to a stand Fi in the position for changing the working rolls.
- the pressure, piston-cylinder units 26 a, 26 b are covered, in the embodiment shown in the drawings, with cover sheets 29 (see FIG. 1 ).
- the proposed solution insures that the line of support plates is located immediately adjacent to the finishing roll stands, and that the transportation path for the working rolls is a short one.
- the support plates are sunk and linearly displaced with a transportation device.
- the working roll exchange is effected by a transverse displacement of the support plates, and for back-up roll exchange the support plates are sunk and a displaced in a direction of the control pulpit.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Intermediate Stations On Conveyors (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Rolling Contact Bearings (AREA)
- Vibration Prevention Devices (AREA)
- Handcart (AREA)
- Machine Tool Units (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
Description
- The invention relates to a rolling mill having support plates or platforms which are provided on the operating side of the roll stands and which are displaced transversely to the axes of the rolls. For replacing working roll sets by being displaced transversely and, thereby, for receiving the working roll sets from the roll stands, these support plates are outfitted, in particular, with rail pairs and are located adjacent to a mill floor level to be able to transport the working rolls back and forth. The rolling mill further has trenches which are arranged upstream of respective roll stands on the operating side and have a base which is outfitted with run-out rails, in particular, for removal of back-up rolls.
- Such a rolling mill with support plates, which are displaced transversely, i.e., in a rolling direction or in a direction opposite the rolling direction, are disclosed in DE 43 21 663 A1. The trenches, which are arranged between the roll stands and the transversely displaceable support plate line, are overlapped by pivotal flaps. For replacement of the working rolls, the flaps occupy a horizontal position while for replacing the back-up rolls, they pivot out to free a trench for introducing back-up rolls sets. The working rolls are dragged by a traction machine from the roll stand over the flaps up to the support plates, with both the flaps and the support plates being outfitted with corresponding rail pairs. Finally, as a result of the transverse displacement of the support plates, a new working roll set is deposited on a parallel rail pair of each support plate, is pushed in front of a roll stand and is introduced in the roll stand. The traction machine can, if needed, to take over, after a further transverse displacement of the support plates, the used working roll sets and deliver them in a workshop.
- In this known rolling mill with trenches which are closed with flaps, the working rolls must be displaced between the roll stands and separate support plates over respective flaps up to the support plates. Only when the working rolls are on the support plates, the transverse displacement and replacement of the working rolls take place.
- Proceeding from this state of the art, the object of the invention is to provide a rolling mill with which the replacement of working rolls takes place within a shorter time period.
- This object is achieved with a rolling mill with features of
claim 1. Advantageous further developments are set forth in dependent claims. - The basic idea consists in that the transversely displaceable support plates are displaced with a transport device from a position for replacing the working rolls into a position for replacing the back-up rolls and back, by being sunk transverse to the rolling direction in a direction of a control pulpit beneath the mill floor level and adjacent to a trench region. In the position for replacing the working rolls, the support plates are arranged immediately adjacent to the roll stands and form themselves an upper closure of the trenches. The transverse displacement takes place directly in front of the rolling mill train. Thereby, the displacement path of the working rolls can be reduced, whereby the necessary time for the working roll replacement can be reduced to a minimum. The support plates are sunk at an angle through the trench region from a first position in which the support plates are located immediately adjacent to the roll stands above the trenches, to a second position in which they are located before the trench (viewing from the control pulpit) beneath the mill floor level, while retaining their alignment during the transportation movement.
- As a transport device for the support plates, e.g., a displaceable lifting platform can be used, which can provide for sinking of the plates beneath the mill floor level and for displacement out of the trench region necessary for the back-up roll sets.
- According to a particularly advantageous embodiment, the transport device has an undercarriage with rolls. The support plates themselves are displaceably arranged with respect to an undercarriage table in order to enable the transverse displacement along the support plate line. On the base of a respective trench, there are provided ramps which rise in a direction of the roll stand. With this undercarriage/ramps solution, there is provided a transport device that is easily displaceable and is substantially failure-free.
- A particularly advantageous solution consists in that the undercarriage is displaced by a piston-cylinder unit that is also used for transporting the back-up roll sets on the trench base. In this way, no further drive for the transport device is necessary.
- In order to convert a horizontal power movement of the piston-cylinder unit into an ascending movement along the ramps, the piston or a piston-extending traverse is rotatably connected with a support rod the other end of which is rotatably supported on the bottom of the undercarriage table.
- In order to transversely displace the support plates in the position of working roll replacement, pressure is applied thereto. The separate support plates need not to be connected with each other. They are rather movable with a side edge to a side edge.
- The invention will now be explained in detail with reference to the drawings. The drawings show:
-
FIG. 1 a side view of a rolling mill with roll stands and an immediately adjoining the stands, line of support plates with separate sinking and displaceable support plates; -
FIG. 2 a plan view of the rolling mill shown inFIG. 1 ; -
FIG. 3 a cross-sectional view along line B-B inFIG. 1 with a support plate in a position in which it is used for changing the working rolls; and -
FIG. 4 a cross-sectional view along line A-A inFIG. 1 with a support plate in a position in which it is used for changing the back-up rolls. -
FIGS. 1 and 2 show a rolling mill with, here, seven finishing roll stands F1-F7. ON the operating side BS (AS designates the opposite drive side) of the stand line, immediately laterally adjacent thereto, aline 1 of transverselydisplaceable support plates 2 is provided. Eachsupport plate 2 is equipped withrail pairs 3 extending along roll axes. In the condition shown in the Figures, a used working roll set 4′ has been pulled out on asupport plate 2 a, while newworking roll sets 5 are awaiting to be inserted on respective adjoiningsupport plate 2 b and are brought in corresponding roll stands by transverse displacement in the line. - As shown in
FIG. 2 ,ends 6 of thesupport plates 2, remote from the roll stands, are located adjacent to themill floor level 7, which is likewise provided with roll pairs (not shown) for insertion and removal ofworking roll sets FIGS. 3 and 4 ). The transportation withtraction machines 8 can be effected, e.g., according to the method disclosed in DE 43 21 663 A1 in accordance with which tooth gears of a traction machine engage tooth racks arranged along the rails. Alternatively, the function of a traction machine can be performed by a hydraulic cylinder. - Details of the invention will be explained with reference to
FIGS. 3 and 4 . On the operating side BS or in the direction of a control pulpit, adjacent to a roll stand Fi with a working roll set 4 and a back-up roll set 9, there is provided atrench 10 thebase 11 of which is equipped with run-out rails (not shown) for the back-uproll set 9. In the position for changing the working roll set, which is shown inFIG. 3 , thetrench 10 is covered by asupport plate 2. Thesupport plate 2 flush covers thetrench 10 between the roll stand Fi and the adjoiningmill floor level 7. Thetraction machines 8, which transport theworking roll sets 4 in and out, can travel over themill floor level 7 immediately up to thesupport plate 2. The usedroll sets 4″ can be immediately pulled over corresponding rail tracks into the mill shop WW and then be displaced back from there. Thesupport plates 2 themselves can be transported with atransport device 12 in the horizontal position shown inFIG. 3 , and be held there. Thetransport device 12, which is formed asundercarriage 13, consists essentially of a table 14 with aroller pair rails 17 on its upper surface 16 (seeFIG. 2 ) and which extend transverse to the roll axes and form a line, with the tables being pushed against each other. Thesupport plates 2 havecorresponding rollers 18 displaceable along the rail tracks for transverse displacement. In order to prevent a lateral tilting, aguide 19 is provided between arespective support plate 2 and the tableupper surface 16. In the position shown inFIG. 3 , the under-carriage 13 is located in an end position on tworamp pairs - The position of the
support plate 2 for changing the back-up rolls will be explained with reference toFIG. 4 . Because the trench is filled with the lower portion of the back-up roll set 9, thesupport plate 2 is sunk with inclination downwardly in theregion 21 that adjoins a region of thetrench 10. - The
undercarriage 13 is displaced along theramp pair floor level 7, with theguide cams 22 facilitating the displacement. Theguide cams 22 prevent a sidewise displacement of the table 14 during the sinking movement and in the sunk position. - The displacement of the
carriage 13 and, thereby, of thesupport plate 2 is effected with a piston-cylinder unit 23 that also displaces the back-uproll set 9. A piston-extending traverse oradapter 24 is connected with the back-up roll set 9 and displaces theset 9 during a horizontal movement along run-out rails in thetrench 10 and displaces back-up roll set back after an exchange of back-up rolls. Simultaneously with the displacement of the back-up roll set 9 out, theundercarriage 13 is displaced from an elevated position into a sunk position below thefloor level 7. To this end, apush rod 25, which is rotatably secured in the center of the bottom of the table 14, engages the undercarriage and pulls it from the ramps onto the sunk support plates. An end of the floor level that immediately adjoins thetrench 10 is provided with aflap 31. - For raising and lowering the
rollers undercarriage 13 with respect to theramps front ramp pair 20 a is offset relative to therear ramp pair 20 b. The run-out lines along the tapedrails 30 can be seen particularly clear inFIG. 2 . Here, e.g., thesupport plate 2 c, which is associated with the second finishing roll stand F2, is shown as being sunk in its run-out position, e.g., transverse to the roll direction while all of theother support plates 2 are shown in the working roll exchange position. For clarification, there are shown on thesupport plate 2 c of the first stand F1, a working roll set 4 that was moved out and, next to it, a new workingroll set 5. - The support plates, preferably, are not connected with each other but are arranged side-by-side next to each other. They are moved back and forth with two
pressure units line 1 of support plates. Theplates 2 roll along rail pairs 17 provided in the table 14 of theundercarriage 13.Side guide rollers 27, which roll along aguide unit 19 provided on the table 14, prevent tilting. Eachsupport plate 2 is associated with anadjustment unit 28 the position of which is variably adjustable and with which arespective support plate 2 can be adjusted with respect to a stand Fi in the position for changing the working rolls. The pressure, piston-cylinder units FIG. 1 ). - The proposed solution insures that the line of support plates is located immediately adjacent to the finishing roll stands, and that the transportation path for the working rolls is a short one. For opening of the trenches which are covered by the support plate, the support plates are sunk and linearly displaced with a transportation device. The working roll exchange is effected by a transverse displacement of the support plates, and for back-up roll exchange the support plates are sunk and a displaced in a direction of the control pulpit.
-
- 1 Line of support plates
- 2. Support plates
- 3 Rail pair
- 4 Working roll set (4′ and 4″ used working rolls)
- 5 New working roll set
- 6 End of support plates
- 7 Mill floor level
- 8 Traction machine
- 9 Back-up roll set
- 10 Trench
- 11 Trench base
- 12 Transport device
- 13 Undercarriage
- 14 Table
- 15 Rollers (
Roll pair - 16 Upper surface of the table
- 17 Rails in the upper table surface
- 18 Rollers
- 19 Guide
- 20 Ramps (
ramp pair - 21 Region adjoining a trench region
- 22 Guide cams
- 23 Piston—Cylinder Unit
- 24 Traverse
- 25 Push rod
- 26 Displacement unit, in particular, a pressure unit (
unit pair - 27 Side guide rollers
- 28 Adjustment unit
- 29 Cover sheets
- 30 Taped rails
- 31 Flap
- F1-F7 (Fi) finishing roll stands
- BS Operational side
- AS drive side
- WW plant workshop
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10250431A DE10250431A1 (en) | 2002-10-30 | 2002-10-30 | Rolling mill with support plates |
DE102504318 | 2002-10-30 | ||
PCT/EP2003/010549 WO2004039512A1 (en) | 2002-10-30 | 2003-09-23 | Rolling mill comprising support plates |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060150702A1 true US20060150702A1 (en) | 2006-07-13 |
Family
ID=32103163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/530,385 Abandoned US20060150702A1 (en) | 2002-10-30 | 2003-09-23 | Rolling mill with support plates |
Country Status (10)
Country | Link |
---|---|
US (1) | US20060150702A1 (en) |
EP (1) | EP1558409B1 (en) |
JP (1) | JP4403077B2 (en) |
CN (1) | CN1304130C (en) |
AT (1) | ATE327056T1 (en) |
AU (1) | AU2003267397A1 (en) |
DE (2) | DE10250431A1 (en) |
RU (1) | RU2319563C2 (en) |
UA (1) | UA80980C2 (en) |
WO (1) | WO2004039512A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060144114A1 (en) * | 2002-12-05 | 2006-07-06 | Frank-Gunter Benner | Rolling mill comprising means for exchanging the rolls |
US20090044588A1 (en) * | 2006-01-09 | 2009-02-19 | Gerhard Blecher | Method and Device for Changing Rolls |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1392497B1 (en) * | 2008-12-30 | 2012-03-09 | Danieli Off Mecc | MULTI-CHAMBER MILL, OF THE LONGITUDINAL EXTENSION TYPE, FOR ASTIFORM BODIES, INCLUDING FOUR ROLLER CAGES, AND PROCEDURE FOR CAGE CHANGE |
CN103406393A (en) * | 2013-08-16 | 2013-11-27 | 济南二机床集团有限公司 | Leveling machine |
Citations (6)
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US3618355A (en) * | 1968-07-19 | 1971-11-09 | Masch & Werkzeugbau Gmbh | Rolling mill and systems for facilitating the interchange of rolling-mill rolls |
US3667271A (en) * | 1969-06-03 | 1972-06-06 | Davy & United Eng Co Ltd | Rolling mills |
US3842639A (en) * | 1973-06-20 | 1974-10-22 | Mesta Machine Co | Side-shifting mill roll |
US4222258A (en) * | 1978-11-17 | 1980-09-16 | Co-Steel International Limited | Mill stand |
US4435970A (en) * | 1980-06-18 | 1984-03-13 | Hitachi, Ltd. | Roll changing device for rolling mill |
US6408667B1 (en) * | 2000-10-26 | 2002-06-25 | Bethlehem Steel Corporation | Four-high mill stand roll change device, a method of retrofit, and a roll change device therefrom |
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DE1602028A1 (en) * | 1951-01-28 | 1970-06-04 | Blaw Knox Co | Roll changing device |
DE1965882A1 (en) * | 1969-03-19 | 1970-09-24 | Masch U Werkzeugbau Gmbh | Replacement of rollers on quante rolling-stands |
DE3544781A1 (en) * | 1985-12-18 | 1987-06-19 | Schloemann Siemag Ag | METHOD AND DEVICE FOR THE ALTITUDE TRANSFER OF ROLLS IN ROLLING DEVICES |
DE3805476A1 (en) * | 1988-02-22 | 1989-08-31 | Schloemann Siemag Ag | ROLLING MILL, IN PARTICULAR ROLLING MILL IN A MOLDED STEEL ROLLING MILL |
DE4321663A1 (en) * | 1993-06-30 | 1995-01-12 | Schloemann Siemag Ag | Rolling mill with means for roll changing |
DE19747013A1 (en) * | 1997-10-24 | 1999-04-29 | Schloemann Siemag Ag | Device and method for rapid roll change on a six-roll stand |
CN2488617Y (en) * | 2001-04-24 | 2002-05-01 | 广东省韶关钢铁集团有限公司 | Roll changer for rolling mill |
CN2487459Y (en) * | 2001-06-05 | 2002-04-24 | 重庆钢铁(集团)有限责任公司 | Roll interchanging device for rolling mill |
-
2002
- 2002-10-30 DE DE10250431A patent/DE10250431A1/en not_active Withdrawn
-
2003
- 2003-09-23 EP EP03748074A patent/EP1558409B1/en not_active Expired - Lifetime
- 2003-09-23 UA UAA200501035A patent/UA80980C2/en unknown
- 2003-09-23 WO PCT/EP2003/010549 patent/WO2004039512A1/en active IP Right Grant
- 2003-09-23 RU RU2005102112/02A patent/RU2319563C2/en not_active IP Right Cessation
- 2003-09-23 DE DE50303508T patent/DE50303508D1/en not_active Expired - Lifetime
- 2003-09-23 AT AT03748074T patent/ATE327056T1/en not_active IP Right Cessation
- 2003-09-23 AU AU2003267397A patent/AU2003267397A1/en not_active Abandoned
- 2003-09-23 JP JP2004547495A patent/JP4403077B2/en not_active Expired - Fee Related
- 2003-09-23 US US10/530,385 patent/US20060150702A1/en not_active Abandoned
- 2003-09-23 CN CNB038248484A patent/CN1304130C/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3618355A (en) * | 1968-07-19 | 1971-11-09 | Masch & Werkzeugbau Gmbh | Rolling mill and systems for facilitating the interchange of rolling-mill rolls |
US3667271A (en) * | 1969-06-03 | 1972-06-06 | Davy & United Eng Co Ltd | Rolling mills |
US3842639A (en) * | 1973-06-20 | 1974-10-22 | Mesta Machine Co | Side-shifting mill roll |
US4222258A (en) * | 1978-11-17 | 1980-09-16 | Co-Steel International Limited | Mill stand |
US4435970A (en) * | 1980-06-18 | 1984-03-13 | Hitachi, Ltd. | Roll changing device for rolling mill |
US6408667B1 (en) * | 2000-10-26 | 2002-06-25 | Bethlehem Steel Corporation | Four-high mill stand roll change device, a method of retrofit, and a roll change device therefrom |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060144114A1 (en) * | 2002-12-05 | 2006-07-06 | Frank-Gunter Benner | Rolling mill comprising means for exchanging the rolls |
US7363793B2 (en) * | 2002-12-05 | 2008-04-29 | Sms Demag Ag | Rolling mill comprising means for exchanging the rolls |
US20090044588A1 (en) * | 2006-01-09 | 2009-02-19 | Gerhard Blecher | Method and Device for Changing Rolls |
US8511127B2 (en) | 2006-01-09 | 2013-08-20 | Sms Siemag Aktiengesellschaft | Method and device for changing rolls |
US8522590B2 (en) | 2006-01-09 | 2013-09-03 | Sms Siemag Aktiengesellschaft | Method and device for changing rolls |
US8555688B2 (en) | 2006-01-09 | 2013-10-15 | Sms Siemag Aktiengesellschaft | Method and device for changing rolls |
Also Published As
Publication number | Publication date |
---|---|
RU2319563C2 (en) | 2008-03-20 |
CN1304130C (en) | 2007-03-14 |
UA80980C2 (en) | 2007-11-26 |
ATE327056T1 (en) | 2006-06-15 |
EP1558409A1 (en) | 2005-08-03 |
WO2004039512A1 (en) | 2004-05-13 |
JP2006504534A (en) | 2006-02-09 |
AU2003267397A1 (en) | 2004-05-25 |
RU2005102112A (en) | 2005-07-20 |
DE50303508D1 (en) | 2006-06-29 |
EP1558409B1 (en) | 2006-05-24 |
CN1694771A (en) | 2005-11-09 |
JP4403077B2 (en) | 2010-01-20 |
DE10250431A1 (en) | 2004-05-13 |
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Legal Events
Date | Code | Title | Description |
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AS | Assignment |
Owner name: SMS DEMAG AKTIENGESELLSCHAFT, GERMANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RACKEL, HARALD;LAZZARO, KLAUS;REEL/FRAME:016934/0324;SIGNING DATES FROM 20050225 TO 20050308 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |
|
AS | Assignment |
Owner name: SMS SIEMAG AKTIENGESELLSCHAFT, GERMANY Free format text: CHANGE OF NAME;ASSIGNOR:SMS DEMAG AKTIENGESELLSCHAFT;REEL/FRAME:022816/0807 Effective date: 20090325 Owner name: SMS SIEMAG AKTIENGESELLSCHAFT,GERMANY Free format text: CHANGE OF NAME;ASSIGNOR:SMS DEMAG AKTIENGESELLSCHAFT;REEL/FRAME:022816/0807 Effective date: 20090325 |