US3355923A - Rolling mill of the reducing type - Google Patents

Rolling mill of the reducing type Download PDF

Info

Publication number
US3355923A
US3355923A US384722A US38472264A US3355923A US 3355923 A US3355923 A US 3355923A US 384722 A US384722 A US 384722A US 38472264 A US38472264 A US 38472264A US 3355923 A US3355923 A US 3355923A
Authority
US
United States
Prior art keywords
housings
frame
roll
rolling
housing
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.)
Expired - Lifetime
Application number
US384722A
Other languages
English (en)
Inventor
Gillet Charles Eugene
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Constructions De Montbard SA Ste
SOC D CONST DE MONTBARD SA
Original Assignee
SOC D CONST DE MONTBARD SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SOC D CONST DE MONTBARD SA filed Critical SOC D CONST DE MONTBARD SA
Application granted granted Critical
Publication of US3355923A publication Critical patent/US3355923A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
    • B21B35/142—Yielding spindle couplings; Universal joints for spindles
    • B21B35/143—Yielding spindle couplings; Universal joints for spindles having slidably-interengaging teeth, e.g. gear-type couplings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
    • 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
    • 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
    • B21B2203/06—Cassettes
    • 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
    • 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
    • B21B39/12—Arrangement or installation of roller tables in relation to a roll stand
    • 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
    • B21B39/14—Guiding, positioning or aligning work

Definitions

  • a rolling mill comprising in combination with a suitable control unit, a plurality of interchangeable and individually removable roll housings, apparatus for clamping said roll housings individually to a common frame, apparatus for clamping said roll housings together as a group unitary with said frame so that the resulting housing assembly is formed into a rigid block which acts as a unit to resist those shocks resulting from sudden changes in the rolling force, and a piston-operated toothed rack for separating said roll housings from each other longitudinally of the frame when said clamping means is released.
  • the present reducing rolling mills for tubes or equivalent products usually include removable and independent roll housings or stands.
  • the present invention has for its object a novel reducing roll mill arranged so as to obivate the abovementioned defects, said reducing roll mill being of the common ype or of the calibrating type or of the so-called traction type.
  • Such a roll mill is essentially characterized by the fact that, in combination with an appropriate control arrangement, it includes a rolling assembly comprising a series of interchangeable housings or stands, which may be dismounted either as a whole or separately, said housings not only being independently fastened to a frame, but being also clamped firmly together against a frame stop member so that the housing assembly prestressed in this manner forms a very rigid block, which is unaffected by the shocks and damage usually occu-ring as a consequence of sudden variations in the rolling forces.
  • the device applying said force should be either of the irreversible type, or of the locked type.
  • said device may be:
  • the clamping arrangement for said housings is associated with a separating device which acts to maintain a gap between the housings such that the housing or housings which are to be changed may be taken out easily, without any risk of damaging their contacting surfaces, by means of a suitable handling device.
  • Said separating device may consist, for example, of longitudinal racks activated by a jack whose teeth mesh with notches in the housings, the pitch of said racks being greater than the distance between the axes of the housings by that distance by which it is required to separate them during removal.
  • the rack teeth come, successively, into contact with a corresponding boss supported by the housings, so that said housings are successively separated one from the other.
  • inventive arrangement of the housings or stands is independent of the connection between, the frame supporting the housings, and the part of the reducing roll mill comprising the control device.
  • the frame may be permanently mounted on a base which is common to the whole roll mill assembly. In that case, each time a housing is changed, the abovementioned rolling assembly is assembled at the work station, the housings being removed and replaced by any suitable handling device.
  • the frame which receives the housings together with their clamping, blocking and spacing arrangements could also be of a removable type and held. in working position by locking it by means of any suitable arrangement to the rolling mill base.
  • Such an arrangement makes it possible, by utilizing two identical housing-supporting frames, to have a standby rolling unit readied without stopping the operation of the roll-mill. Said standby rolling unit may be substituted, through appropriate handling means, for a unit removed from the housing assembly, in a minimum time.
  • FIG. 1 is a schematic top plan view of one of said embodiments with the rolling unit coupled to the control unit;
  • FIG. 2 is an elevation of FIG. 1 taken in the direction of arrow F;
  • FIG. 3 is an end view of said embodiment taken in the direction of the arrow F in FIG. 2;
  • FIG. 4 is a perspective view of one of the rolling housings
  • FIG. is an enlarged view taken along the line V-V of FIG. 1 showing the coupling of the rollers and the general arrangement of a housing;
  • FIG. 6 is a detailed sectional view taken along the line VIVI' of FIG. 1 showing the coupling device of FIG. 5 disconnected from the roller driving shaft;
  • FIG. 7 is a view corresponding to FIG. 6, with the coupling device at its connected position;
  • FIG. 8 is a sectional view taken along the line VIH VIII of FIG. 1;
  • FIG 9 is a reduced scale schematic sectional view taken along the line I-X1X of FIG. 5, showing the roller housings with their separating device in inoperative position;
  • FIG. is aview corresponding to FIG. 9 showing the housings in their drawn-apart position
  • FIG. 11' is a view similar to FIG. 2 showing an alternate embodiment of the rolling block translation device
  • FIG. 12 is an elevational view of said second embodiment taken in the direction of arrow F of FIG. 11;
  • FIG. 13 is a schematic top plan view showing the general arrangement of the rolling unit and of its rolling housing transfer devices.
  • FIGS. 1 and 2 the location of the inventive control unit (not shown) has been designated A and that of the rolling unit has been designated B.
  • the kinematic assembly of the control unit driven by motor 1 includes two lines of staggered shafts 25 (FIG.
  • Said shafts extend from casing 2 afhxed to a base whereupon also bears fixed frame 3 including two beams 3a, 35 supporting frame 4 upon which the interchangeable rolling unit housings 5-5:: are mounted.
  • housings or stands 5 are roll housings while housings 5a are intended to convey the products being reduced towards the roll mill exit end when the abovementioned roll housings are not all operated simultaneously. Housings or stands 5a have a thickness double of that of roll housings 5.
  • Frame 4 comprises two metal beams 4a, 4b (FIGS. 3 and 5) at the top part of which is aihxed plate 6 (FIG. 5 comprising two longitudinal guiding rails 7 and 8 which effect the positioning of housings S5a.
  • frame 4 includes an abutment plate 9 comprising bosses 9a, and, at its opposite end, a bearing plate 1%.
  • Said plate comprises suitable reinforcements 11 (FIG. 8).
  • Plate It supports a hydraulic device comprising jacks 12 having shafts 12a (FIGS. 8, 9 and 10).
  • Jacks i3, mountedon frame 4 lock or clamp said frame on framework 3 (FIG. 11) through their shafts 13a extendingthrough lugs 30 supported by beams 3a, 3b of framework 3 (FIG. 5).
  • Frame 4' also carries a series of hydraulic jacks 14, each of said jacks actuating a key 15 (FIG. 5) which looks a housing on said frame. It also carries hydraulic jacks 16 which control the longitudinal movement of two racks 17 whose teeth 17a mesh in recesses 5b in the bottom of the housings (FIGS. 9 and 10).
  • Frame 4 also supports the manifolds for the lubricant tubes, for the cooling water of the rollers and for the various hydraulics circuits (not shown).
  • the upper and lower face of the roller housings or stands each include a trapezoidal groove 27 and a smooth bearing surface 28, grooves 27 receivingthe abovementioned rail 7, while the bearing surfaces 28 engage rail 8.
  • Said upper and lower faces carry two bosses 2% having an opening 30 which receives the corresponding key 15 which looks the housing on the frame.
  • the housing or stands also carry bosses 31 at their opposed vertical faces.
  • a sleeve 33 is keyed, and said sleeve carries adjacent one end an outer spherical gear 34 cooperating with an internal spur gear 35 at the end of a coupling sleeve 2-6.
  • Sleeve 25 also includes longitudinal inner serrations 36 cooperating with an external spherical gear 37 on the end of sleeve 38 which is keyed to'the end of driving shaft 25.
  • a spring member 39 is inserted between a bearing collar 4% fixed to sleeve 26 and a Washer 41 fixed to the end of sleeve 38. Said spring member 39 is compressed, when the coupling arrangement is disconnected, by a disconnecting cross beam 42 actuated by the hydraulic jacks 43 mounted on the opposite sides of housing 2 (FIG. 1).
  • Cross-beam 42 comprises, at the opposed longitudinal edges thereof, staggered semicircular recesses 44, as clearly seen on FIG. 8, said recesses receiving the abovemention'ed sleeves 26.
  • each coupling arrangement includes a semi-elastic mounting which, in working conditions, makes it possible to accomodate a slight misalignment of shaft 25 and shaft 24 of the corresponding roller housing.
  • Said semielastic mounting is constructed as follows:
  • An end part 45 which carries a resilient ring 46, the periphery of which cooperates with bore 47 of sleeve 26, is fastened to the end of shaft 25.
  • the housings are then placed upon rails 7 and 8 of framework 4, the even numbered housings being inverted in relation with the odd numbered ones in a manner such that the reducing rolls are offset by 60 from one housing to the next one.
  • the housings are automatically positioned by longitudinal rails 7 and 8, trapezoidal grooves 27 and bearings 28.
  • Keys 15 are then put into position and the housings are clamped against stop plate 9 by jacks 12.
  • the presence of the bosses 3i ensures that a sufficient space remains between the housings to introduce a torch or blowpipe therebetween.
  • racks 17 are at their retracted position relative to the housings, that is with their teeth at their inoperative position.
  • control unit A said displacement being effected by an overhead crane or by mounting framework 4, comprising wheels, on a movable frame associated with a suitable translation mechanism.
  • the rolling assembly may then be removed and replaced by another standby assembly.
  • the roll assembly could be provided with Wheels and associated with a translation arrangement.
  • FIGS. 1, 2 and 12 show an illustrative embodiment of such an arrangement.
  • Framework 4 is provided with a first series of wheels 50, parallel to the axis of the rolling operations and with a second series of wheels 51, normal to said first series of wheels.
  • the translation arrangement is provided with two horizontal maneuvering beams 52 (FIG. 2), normal to the axis of rolling, which can be lifted or lowered by hydraulic jacks 53 (FIG. 3). At one end, beams 52 are fitted into the frame 3, under the housing carrier or truck at its working position.
  • Beams 52 have, at their upper part, a race 54 supporting wheels 51 of the housing carrier.
  • each beam 52 supports an endless chain 55 provided with dogs 56 cooperating with arms 4c pivotally mounted on frame 4, said arms driving the housing carriers, as will be explained further on.
  • Chains 55 are mounted between a driving wheel 57 and an idler wheel 57a, provided with a tensioning device.
  • the driving wheels of each chain are driven by a stationary power device 58 comprising speed reducing means.
  • the control mechanism includes two groups of angle levers 59-59;: located under each beam, said levers being mounted on axes 60 pivotally mounted in bearings 61, supported by frame 62. All the levers of a group are pivotally connected on the one hand, to one of the manoeuvering beams 52 and, on the other hand, at 64 to a link 65 connected to rod 53a of the corresponding jack 53 (FIG. 3).
  • At 66 is a trackway perpendicular to the manoeuvering beams 52.
  • the rails of said trackway carry wheels 50 of the housing carrier or truck. Said rails are extended to the point 66a (FIG. 13), for purposes which will be described later on, at such a level, that said manoeuvering beams may pick up or release a housing carrier thereon.
  • a standby frame is located at 67 perpendicular to beams 52, at the opposite side of the rolling mill and spaced from the trackway 66, said standby frame being made, for example, of welded channel irons, and being at such a level that beams 52, actuated in the abovementioned manner, may pick up from or release on said standby frame a housing carrier (position c in dotted lines of FIG. 13).
  • the housing carrier occupies, when on said standby frame, a level substantially higher than that of the housing carrier at its work position, so that a carrier in its Work position may be cleared off by dogs 56 without coming into contact with the arm 40 of a carrier located on frame 67.
  • a pneumatic jack 68, Whose axis is parallel to the axis of the trackway 66-66a translates said housing carrier along said way.
  • one housing carrier is at its rolling position a, between a conventional tunnel type furnace 69 and a pipe cutting station 70, as shown in FIG. 13, while a second standby housing or stand carrier is at b on the trackway 66a.
  • beams 52 are sufficiently lifted by jack 53 and levers 59-59a so that rails 54, which they support, come to bear under Wheels 51 and lift the carrier relatively to frame 3 for making possible the transfer thereof into position c on the standby frame 67 by means of the shifting chains 55 and arms 4c at their active position.
  • the rolling operation may be immediately started.
  • the arrangement of the abovedescribed housings or stands remains applicable whatever may be the shape and the structure of said housings, especially with respect to the number of reducing rolls and the kinematic chain transmitting the rolling speeds and torques to each roller.
  • said kinematic chain associated with a rolling housing or stand may comprise:
  • the rails provided for the displacement of the carrier are all situated in the same plane.
  • the coupling arrangement such as described in connection with FIG. 6 may be simplified by translating the casing 2 as a unit.
  • a rolling mill comprising a plurality of roll housings, an elongated common frame for supporting said roll housings, an abutment on said frame, releasable means for clamping said roll housings as a group to said abutment, and a control unit for driving the rolls in said housings when said housings are clamped to said abutment, the improvement which comprises means for forcibly separating said roll housings from each other longitudinally of said frame when said clamping means is released.
  • a rolling mill as claimed in claim 1 in which said roll housings are provided with abutment surfaces which extend transversely of said common frame when said roll housings are mounted thereon, and said separating means comprises a rack equipped with teeth and power means for moving said rack from a first position in which said teeth permit said roll housing to be clamped together to a second position in which said teeth bear on said abutment surfaces and thereby hold said roll housings apart.
  • a rolling mill as claimed in claim 1 in which said roll housings comprise surfaces which extend transversely with respect to said supporting frame, and projections which extend from said surfaces longitudinally of said frame and thereby prevent the surfaces of adjacent roll housings from coming into contact with each other when said roll housings are clamped to said abutment.
  • control unit comprises a separate transmission shaft for the rolls of each roll housing and each roll housing carriers an individual drive shaft which is aligned with a transmission shaft when said r-oll housings are clamped to said abutment, a coupling sleeve slidably carried on each transmission shaft, means biassing each coupling sleeve toward the drive aligned therewith, a projection extending from each transmission shaft into each sleeve, and resilient means carried by said projection which engages and guides the inner wall of said sleeve.
  • a rolling mill as claimed in claim 1 comprising a first set of wheels mounted on said supporting frame to support said frame during longitudinal movement, and a second set of wheels mounted on said frame to support said frame during transverse movement.
  • a rolling millas claimed in claim 5 comprising a set of rails for supporting each set of wheels and means for raising and lowering one set of rails to bring said one set of rails into and out of a position engaging a set of Wheels.
  • a rolling mill as claimed in claim 6 comprising a plurality of parallel sets of rails for supporting said frame during longitudinal movement, and in which the set of rails which may be raised and lowered supports said frame for transverse movement, said rolling mill further comprising means for moving said frame along said last mentioned set of rails, when that set is in its raised position, from aposition above one set of longitudinal rails to a position over another set of longitudinal rails.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Movable Scaffolding (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
US384722A 1963-07-25 1964-07-23 Rolling mill of the reducing type Expired - Lifetime US3355923A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR942706A FR1490464A (fr) 1963-07-25 1963-07-25 Laminoir réducteur perfectionné

Publications (1)

Publication Number Publication Date
US3355923A true US3355923A (en) 1967-12-05

Family

ID=8809175

Family Applications (1)

Application Number Title Priority Date Filing Date
US384722A Expired - Lifetime US3355923A (en) 1963-07-25 1964-07-23 Rolling mill of the reducing type

Country Status (7)

Country Link
US (1) US3355923A (enrdf_load_stackoverflow)
BE (1) BE650990A (enrdf_load_stackoverflow)
DE (1) DE1452010B2 (enrdf_load_stackoverflow)
ES (1) ES302398A1 (enrdf_load_stackoverflow)
FR (1) FR1490464A (enrdf_load_stackoverflow)
GB (1) GB1080531A (enrdf_load_stackoverflow)
SE (1) SE304742B (enrdf_load_stackoverflow)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475939A (en) * 1966-11-17 1969-11-04 Moeller & Neumann Gmbh Rapid changeover arrangement for a group of rolling mill stands in continuous rolling mill lines
US3646790A (en) * 1968-11-21 1972-03-07 Ilario Properzi Apparatus for a multihead rolling unit arranged to enable the rapid removal and replacement of said unit
US3726119A (en) * 1970-04-16 1973-04-10 Kocks Gmbh Friedrich Rolling mills
US3796081A (en) * 1971-07-07 1974-03-12 Oliver Machinery Co Roll-forming machines
US4038855A (en) * 1976-04-19 1977-08-02 Aetna-Standard Engineering Company Stretch reducing mill
US4192164A (en) * 1977-07-19 1980-03-11 Friedrich Kocks Gmbh & Company Rolling mills
US4192165A (en) * 1978-01-03 1980-03-11 Barkov Leonid A Roll mill stand
US4314469A (en) * 1979-05-04 1982-02-09 Nippon Steel Corporation Rolling mill
US4327569A (en) * 1980-03-31 1982-05-04 Toyota Jidosha Kogyo Kabushiki Kaisha Tube forming mill
US4939919A (en) * 1988-09-23 1990-07-10 Oto Mills S.P.A. Roll forming machine
US5673584A (en) * 1991-06-21 1997-10-07 Sumitomo Metal Industries, Ltd. Method of and an apparatus for producing wire
RU2270067C1 (ru) * 2004-08-19 2006-02-20 Станислав Александрович Баранов Редукционный прокатный стан
RU2333051C1 (ru) * 2006-11-21 2008-09-10 Михаил Ярославович Бунт Редукционный прокатный стан
CN101690953A (zh) * 2009-06-03 2010-04-07 无锡瑞佳精机有限公司 一种改进型新型气动快速夹紧装置
RU2597183C2 (ru) * 2014-12-11 2016-09-10 Александр Васильевич Гончарук Способ получения многогранных труб
US9662694B2 (en) 2011-06-22 2017-05-30 Ashley Dean Olsson Post-forming method and apparatus
CN110170533A (zh) * 2019-06-24 2019-08-27 中冶南方工程技术有限公司 一种机架辊换辊装置
CN112658040A (zh) * 2020-12-11 2021-04-16 北京首钢股份有限公司 一种热连轧精轧机换辊的控制方法和装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2458087C2 (de) * 1974-12-07 1983-10-27 Kocks Technik Gmbh & Co, 4010 Hilden Einadrige Walzstraße mit ortsfester Walzmitte
SE432069B (sv) * 1979-10-23 1984-03-19 Strandell Per Olof Duovalspar
DE102005042835B3 (de) * 2005-09-09 2007-05-31 Sms Meer Gmbh Walzwerk zum Herstellen von Rohren und Stäben oder dergleichen Langprodukten

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2214279A (en) * 1937-06-21 1940-09-10 Demag Ag Continuously running rolling mill for producing tubes
US2691875A (en) * 1949-08-06 1954-10-19 Falk Corp Torsionally resilient coupling
US2787894A (en) * 1953-07-17 1957-04-09 Walter F Hamann Coupling devices
US2829697A (en) * 1953-03-30 1958-04-08 Fenestra Inc Apparatus for storing and changing rolls
US2845781A (en) * 1955-04-21 1958-08-05 United Eng Foundry Co Universal coupling
US2968936A (en) * 1958-08-28 1961-01-24 Croset Louis Paul Spindle coupling devices for rotary members
US3129618A (en) * 1961-05-23 1964-04-21 Mannesmann Meer Ag Continuous rolling mill drive
US3180125A (en) * 1962-08-15 1965-04-27 United Eng Foundry Co Roll changing apparatus
US3217526A (en) * 1962-01-08 1965-11-16 Davy & United Eng Co Ltd Rolling mills roll change
US3221530A (en) * 1962-01-08 1965-12-07 Davy & United Eng Co Ltd Rolling mills horizontal-roll change
US3221529A (en) * 1961-10-19 1965-12-07 Yoder Co Quick mass assembly of mill housings

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2214279A (en) * 1937-06-21 1940-09-10 Demag Ag Continuously running rolling mill for producing tubes
US2691875A (en) * 1949-08-06 1954-10-19 Falk Corp Torsionally resilient coupling
US2829697A (en) * 1953-03-30 1958-04-08 Fenestra Inc Apparatus for storing and changing rolls
US2787894A (en) * 1953-07-17 1957-04-09 Walter F Hamann Coupling devices
US2845781A (en) * 1955-04-21 1958-08-05 United Eng Foundry Co Universal coupling
US2968936A (en) * 1958-08-28 1961-01-24 Croset Louis Paul Spindle coupling devices for rotary members
US3129618A (en) * 1961-05-23 1964-04-21 Mannesmann Meer Ag Continuous rolling mill drive
US3221529A (en) * 1961-10-19 1965-12-07 Yoder Co Quick mass assembly of mill housings
US3217526A (en) * 1962-01-08 1965-11-16 Davy & United Eng Co Ltd Rolling mills roll change
US3221530A (en) * 1962-01-08 1965-12-07 Davy & United Eng Co Ltd Rolling mills horizontal-roll change
US3180125A (en) * 1962-08-15 1965-04-27 United Eng Foundry Co Roll changing apparatus

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475939A (en) * 1966-11-17 1969-11-04 Moeller & Neumann Gmbh Rapid changeover arrangement for a group of rolling mill stands in continuous rolling mill lines
US3646790A (en) * 1968-11-21 1972-03-07 Ilario Properzi Apparatus for a multihead rolling unit arranged to enable the rapid removal and replacement of said unit
US3726119A (en) * 1970-04-16 1973-04-10 Kocks Gmbh Friedrich Rolling mills
US3796081A (en) * 1971-07-07 1974-03-12 Oliver Machinery Co Roll-forming machines
US4038855A (en) * 1976-04-19 1977-08-02 Aetna-Standard Engineering Company Stretch reducing mill
DE2702298A1 (de) * 1976-04-19 1977-10-27 Aetna Standard Eng Co Streckreduzierwalzwerk
US4192164A (en) * 1977-07-19 1980-03-11 Friedrich Kocks Gmbh & Company Rolling mills
US4192165A (en) * 1978-01-03 1980-03-11 Barkov Leonid A Roll mill stand
US4314469A (en) * 1979-05-04 1982-02-09 Nippon Steel Corporation Rolling mill
US4327569A (en) * 1980-03-31 1982-05-04 Toyota Jidosha Kogyo Kabushiki Kaisha Tube forming mill
US4939919A (en) * 1988-09-23 1990-07-10 Oto Mills S.P.A. Roll forming machine
US5673584A (en) * 1991-06-21 1997-10-07 Sumitomo Metal Industries, Ltd. Method of and an apparatus for producing wire
RU2270067C1 (ru) * 2004-08-19 2006-02-20 Станислав Александрович Баранов Редукционный прокатный стан
RU2333051C1 (ru) * 2006-11-21 2008-09-10 Михаил Ярославович Бунт Редукционный прокатный стан
CN101690953A (zh) * 2009-06-03 2010-04-07 无锡瑞佳精机有限公司 一种改进型新型气动快速夹紧装置
US9662694B2 (en) 2011-06-22 2017-05-30 Ashley Dean Olsson Post-forming method and apparatus
RU2597183C2 (ru) * 2014-12-11 2016-09-10 Александр Васильевич Гончарук Способ получения многогранных труб
CN110170533A (zh) * 2019-06-24 2019-08-27 中冶南方工程技术有限公司 一种机架辊换辊装置
CN110170533B (zh) * 2019-06-24 2024-01-26 中冶南方工程技术有限公司 一种机架辊换辊装置
CN112658040A (zh) * 2020-12-11 2021-04-16 北京首钢股份有限公司 一种热连轧精轧机换辊的控制方法和装置
CN112658040B (zh) * 2020-12-11 2022-10-04 北京首钢股份有限公司 一种热连轧精轧机换辊的控制方法和装置

Also Published As

Publication number Publication date
BE650990A (enrdf_load_stackoverflow) 1965-01-25
GB1080531A (en) 1967-08-23
FR1490464A (fr) 1967-08-04
DE1452010B2 (de) 1973-06-14
ES302398A1 (es) 1965-01-16
SE304742B (enrdf_load_stackoverflow) 1968-10-07
DE1452010A1 (de) 1969-05-22

Similar Documents

Publication Publication Date Title
US3355923A (en) Rolling mill of the reducing type
US3665746A (en) Combination rolling mill
KR101102907B1 (ko) 롤을 교체하기 위한 방법 및 장치
US8210013B2 (en) Method of managing cylinders in a rolling facility and installation for implementing same
US2037210A (en) Roll changing apparatus
US3638468A (en) Roll-changing means for four-high rolling mill
DE1452010C3 (enrdf_load_stackoverflow)
GB1421629A (en) Apparatus for dismantling and assembling roll assemblies of a rolling mill
US3566498A (en) Method for changing the rolls of a rolling mill and apparatus for applying the method
US6672124B2 (en) Rolling mill train with staggered mills, especially as a tandem rolling installation
EP0057101B1 (en) Rolling mill stand
US3217526A (en) Rolling mills roll change
US3905485A (en) Roll changing device for a rolling mill and the like
US3199326A (en) Roll changing device for rolling mills
US3043170A (en) Rolling mill and retractable stand therefor
US3738142A (en) Rolling mill
US3866455A (en) Mill roll changing system including a roll buggy
US4038855A (en) Stretch reducing mill
US3540253A (en) Roll changers
JPH05115908A (ja) 圧延ロールのロールシヨツプおよび台車
US3504517A (en) Apparatus for dismounting and remounting the rolls in a four-high rolling mill
US3555871A (en) Roll changing device
US3436945A (en) Roll-changing apparatus for a rolling mill
JPH025487B2 (enrdf_load_stackoverflow)
US3383897A (en) Vertical mill