US2929280A - Rolling mill platform - Google Patents

Rolling mill platform Download PDF

Info

Publication number
US2929280A
US2929280A US547005A US54700555A US2929280A US 2929280 A US2929280 A US 2929280A US 547005 A US547005 A US 547005A US 54700555 A US54700555 A US 54700555A US 2929280 A US2929280 A US 2929280A
Authority
US
United States
Prior art keywords
mill
universal
rolls
platform
work
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
US547005A
Other languages
English (en)
Inventor
Judge Edward Thomas
Foster George
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.)
Dorman Long & Co Ltd
Original Assignee
Dorman Long & Co Ltd
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 Dorman Long & Co Ltd filed Critical Dorman Long & Co Ltd
Application granted granted Critical
Publication of US2929280A publication Critical patent/US2929280A/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
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/001—Convertible or tiltable stands, e.g. from duo to universal stands, from horizontal to vertical stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/12—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel in a continuous process, i.e. without reversing stands
    • 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
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
    • B21B13/10—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane
    • B21B2013/106—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane for sections, e.g. beams, rails
    • 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
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • B21B31/06—Fastening stands or frames to foundation, e.g. to the sole plate
    • 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
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/02—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills
    • B21B35/04—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills each stand having its own motor or motors
    • 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
    • B21B35/12—Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor

Definitions

  • This invention relates to rolling mill plant, and has for an object to provide a plant which can be .readily lconverted from one, embodying universal mills for rolling special I and H shaped sections to one, embodying standard structural mills for rolling standard sections, joists, channels, angles and the like, thus avoiding the necessity of laying down two separate plants.
  • the invention is particularly concerned with that section of the plant which operates upon the bloom and hereinafter referred to as the nishing mill section.
  • This section follows the section of the plant where the ingot has been rolled into a bloom and precedes the section of the plant where the finally shaped work is cut to length and transferred to the stock bays.
  • a number of mill housings are located at spaced stations, and work supporting tables are arranged between the stations and are provided with driven rollers whereby the work is carried from housing to housing until it reaches the final housing whereafter it is cut to length and delivered to the stock bay.
  • a universal beam mill stand suitable for rolling special H or I sections comprises a pair of housings, in which two rolls are mounted one above the other with axes parallel and these rolls are substantially larger in diameter than the rolls employed in a standard structural mill stand.
  • the rolls are of such a length in an axial direction between the housings, as to correspond to the distance apart of the anges of the section being rolled in that particular mill, and two rolls, each mounted to rotate about an upright axis are arranged one opposite one end face of each of two hori- 5 zontal rolls, and the other arranged opposite the other end face of each horizontal roll.
  • the web portion of the joist is thus formed by rolling between the two hori ⁇ zontal rolls, while the flanges are worked between the end faces o f the horizontal rolls and vertical rolls, the gap between all these faces being adjustable. Since the edges of the lianges are not confined during this process, theyl require to be rolled to length in a separate supplementary mill; for this purpose the work is passed through what is known as an edging mill. This comprises two superimposed horizontal rolls mounted in two housings,'and these are of the same order of diameter as the rolls employed in a standard structural mill. The rolls are reduced in diameter at opposite ends, s o that: the larger part.: n ts snugly between the anges of the Work, but may be clearpfthe.
  • a Standard structural mill stand comprises a pair of housings in which are rotatably mounted a number of lhorizontal rolls, one above the other, and having their peripheries shaped in laccordance with the required section of the work which is passed between them. It'is usual for the rolls -to be provided with a number of shaping portions arranged side-by-side and arranged to provide Vspaces o'fdiminishing area between them, means being provided Afor shifting the work bodily in a transverse direction after it has Vbeen passed backwards and forwards between 'two of the shaping portions so that it can then be introduced between two other shaping portions.
  • One form of shifting means comprises traversing tables.
  • the rolls of the structural mill are of the same order of diameter jas the rolls in an edging mill, but are smaller in diameter than the horizontal rolls employed in the universal beam mill.
  • the power required for driving a universal beam mill is of the same order as that required for driving a standard structural mill, whereas the power required for driving an edging mill is considerably smaller.
  • the dimensions of the stand for a standard structural mill may be substantially the same as that of an edging mill, but considerably smaller than that of a stand 'for a universal beam mill.
  • any Vof which platforms is adapted to support either a universal beam mill and a two-high edging mill combination or a structural mill.
  • Two roller tables of different lengths are associated with each platform, either of which is adapted to be brought opposite the platform and which shorter table when in position leaves sufficient space on the platform for accommodating a universal mill, and a 'two-high edging mill combination, and which longer table when in position, overlaps the platform, leaving sufficient space for accommodating a structural mill and additional roller table extending between adjacent platforms.
  • a finishing mill section for' a rolling'mill plant comprises a number of mill-housingf supportingfplatforms spaced apart along the A,drefctic'in of travel ofthe work, ayotwhieh A'platforms is 'provi edf with two identical locating and securing means tspacedJ apart in the direction of the travel of the work, each adapted to support either a universal mill or ⁇ a two high edging mill or a structural mill, which mills have similar sized bases.
  • Two roller tables of diierent lengths are associated with each platform, either of which is adapted to be brought opposite the platform, which shorter table when in position leaves sutiicient space on the platform for accommodating a universal mill and a two-high edging mill combination'and which longer table when in position overlaps the platform leaving sutiicient space for accommodating a structural mill and additional roller tables extending between adjacent platforms.
  • the removabletable portion or portions may be arranged either on the supply side or on the delivery side of each mill station.
  • Each of the removable table portions may be provided with a motor for driving its rollers.
  • Each removable table portion may be mounted on a carriage supported on rails by means of wheels, which rails extend transversely to the direction of the travel of the work so as to facilitate their introduction and withdrawal; also in a case where a table is employed as a traversing table it enables the table to be moved between successive passes of the work.
  • Those rails which are arranged to support the exchangeabletables are arranged to extend on opposite sides of the line of travel of the work, so that the larger of the two table portions may be moved away in one direction and the smaller table portion in the other direction.
  • each carriage may be provided with a motor for driving its wheels.
  • each station There may be provided at each station, a base plate so shaped and dimensioned that it will accommodate on one part thereof either a stand for a universal mill or a stand for a standard structural mill and so as to accommodate on another part thereof a stand of an edging mill.
  • the stands for the universal mill and for the standard structural mill have different sized bases then at the first said location there are provided two alternative means for locating the different sized bases.
  • their bases may be arranged to be of the same size whereby only a single locating means is required on the base at the first said location.
  • a convertible finishing section for a rolling mill plant may thus comprise at each station a standard structural mill, a universal beam mill, and an edging mill, and means for moving said mills into and out of position.
  • Standard equipment may be provided for this purpose, such as an overhead crane.
  • the edging mill roll housings may be so designed as to accommodate either edging mill rolls or structural mill rolls.
  • suicient power for driving either the universal the finishing section of a' rolling mill plant and showing a universal beam millandfan edging mill ateachHof-two stations;
  • Figure 2 is a similar view to Figure 1 but showing the plantY set up with standard structural mills;
  • Figure 3 is a part vertical section and part side elcvation of the mechanism at one station of the plant set up for a universal beam mill and edging mill to the right of Fig. l;
  • Figure 4 is a similar view to Figure 3 showing the set up at a station for a standard structural mill
  • Figure 5 is a plan view of the roller table on one side of the mill stand for the set up shown in Figure 4;
  • Figure 6 is a section on the line A--A of Figure 5.
  • Figure 7 is a plan view on an enlarged scale of a millhousing-supporting-platform showing the base portions of a universal mill stand and edging mill stand in position and represents the left hand end of Figure 1.
  • the work in the form of a bloom partly formed into a joist shape is conveyed from the right hand end of the figure by the roller table 10 onto a table I1 which moves the work to the left through a universal mill Al2. and thence through an edging millv 13 on to another roller table 14 the direction ofthe rollers on the two tables 11 and 14 being periodically reversed so that the work is passed backwards and forwards through the two mills, the rolls of which are adjusted between passes so as gradually to reduce the section of the work.
  • each station two power units, one comprising motors 15 and 17 for driving respectively the upper and lower rolls of either a universal mill or a structural mill through driving shafts, only one of which 19 appears in the drawing, and the other power unit comprising two motors 16 and 18 which drive respectively the upper and lower rolls of an edging mill through driving shafts, only one of which 20 is shown.
  • the driving shafts are provided with detachable couplings the top ones of which 21 and 22, are shown in Fig. 2.
  • the work is passed on to the roller tables 23, whence it passes to a feed table 14 of identical construction as the previ-l ously mentioned table 14, then through-another edging mill 13, which in this case is arranged on the right hand side of the universal mill 12, and which work then passes through 12 and on to the table 11, which is of identical construction but differently handed to previously mentioned table 11.
  • the rollers of the two tables 11 and 14 are periodically reversed so that the work is passed backwards and forwards through the two mills.
  • the work After the work has been reduced to the required size, it is passed onto the roller table 24 and then to a locality where the work is cut to length whereafter it is passed to cooling beds and thence to stock bays.
  • a further roller table 25 is also provided at each station to one side of the roller table 14 and of a greater length than that table.
  • the ends of the tables 14 and 25 nearer the conveyor table 23 are arranged in line, so that the longer table 25 projects beyond the edging mill 13.
  • the table 14 is mounted on rails 26, extending to one side of the conveyor table 23, whereas the table 25 is supported on rails 27 extending to the other side of the conveyor table.
  • the tables 11 are supported on further rails 28. As indicated later, the tables 11, 14 and 25 are supported by wheels driven respectively by motors 53, 45 and 45".
  • the edging mill 13 can have its rolls replaced by rolls suitable for a structural mill, thus when a conversion is required to be made from the set up shown in Figure 1 to that shown in Figure 2,
  • the universal mill' Figure l is a plan view showing the general layout of4 12 is lifted out of position and deposited at a suitable location, and the edging mill now converted to a structural mill is lifted into the place of the universal mills*
  • the table 14 is moved to one side and the table -25 is arranged to take its place Kwhen the plant is ready for.Iv operation.
  • FIG. 3 showslthe set-.unof- ⁇ the mechanism at the station to the right of Figure 1.
  • three separate frame members 32a, B2b, and 32C are inset in concrete to form a supporting platform.
  • the members are provided with sockets 6 for accommodating respectively one rail of each pair of rails 26, 27, 28.
  • the members are so shaped as to provide countersunk supporting shoulders 35 and inwardly directed iianges 36.
  • the upper edges of the anges are chamfered at 37.
  • On one side of the frame is supported an edging mill stand 9 and on the other side a universal mill stand 8. Both the stands are provided with similar sized bases having feet 38 which are shaped to rest on the shoulders 35 and chamfered portions 37.
  • Hooked shaped bolts 39 extend through holes 7 in the feet and engage the underside of the anges 36 and their upper ends are provided with clamping cotters 40.
  • a carriage 42 for the roller table 14 which carriage is mounted by means of wheels 43 on raiis 26 which extend across and are inset in a socket formed in one of the end members 32a of the platform.
  • the wheels are arranged to be driven through gearing 44 from the motor 45 mounted on the carriage (see Figure 6).
  • roller table 14 remote from the housing 9 is pivotally connected on a horizontal axis to the carriage 42, and which carriage is provided at the other end with a screw jack 47 (see Figure 6) engaging the underside of the table frame whereby the height of the end of the table adjacent the edging mill stand may be adjusted.
  • the table has mounted upon it a motor 48 which drives the various rollers through a bevel gearing 49, and through a reduction gearbox 50.
  • Each roller table 11 is likewise supported on a carriage 51 (see Figure 3) having wheels 52 mounted on the rails 2S and these wheels are driven by a motor 53 seen in Figure 5, whereas the rollers on the table are driven by the motor 54 carried by the table.
  • the table 11 is pivotally mounted on a horizontal axis at one end of the carriage and provided with a screw jack 47 at the other end.
  • the table 25 extends over that part of the base plate which previously supported the stand for the edging mill so that its end is now closely adjacent the stand which has been moved to the new position; on the other hand, since structural mill stand is considerably narrower than the stand for the universal mill, which it has replaced, a substantial gap 57 is left between it and the adjacent end of the roller table 11, and it may be of advantage in certain instances to provide a mounting 58 from which a roller 59 ( Figure 5) can be readily introduced to ll the gap.
  • the screw jacks 47 may .be arranged to be actuated by a third motor 60 connected to them through a suitable gearbox 61 and transmission 62.
  • the motor may be mounted on a cross member 63 spanning the main frame member 64 of the carriage.
  • a unitary supporting platform for two rolling mill housings comprising three separate elongated frame members fixed apart in parallel relationship, the center one of which members is formed along the center thereof with locating means for a rail and on both sides thereof with locating means for base portions of the two mill housings and each of which outer frame members is also provided with locating means for a rail and on the inner side of said locating means additional locating means for one of said housings.
  • a unitary supporting platform for two mill housings according to claim l wherein the locating means for each of said rails comprises a socket formed in an upper face of each frame member.
  • each locating means for a base portion of a mill housing comprises an upwardly facing shoulder one side of which is chamfered.
  • each locating means for a base portion of a mill housing is formed on a flange extending laterally away from the locating means for a rail.
  • a unitary supporting platform for two rolling mill housings in accordance with claim l including a rail located on said center member between said mill housing located means, and a rail secured to each of the other members.
  • a unitary supporting platform for a rolling mill housing comprising an elongated member, a railmounted along the center of said member, a pair of surfaces on either side of said rail for supporting a rolling mill housing and a second pair of surfaces beneath said first mentioned pair of surfaces for locking engagement with said mill housing.
  • a supporting platform for rolling mill housings and work supporting tables comprising three separate elongated frame members xed apart in parallel relationship, each frame member having a rail mounted thereon, the center frame member being formed on both sides with locating means for base portions of the mill housings, the outer frame member being formed on one side with locating means for the base portions of mill housings, each locating means including a at portion and a beveled portion, the housing locating means in a side frame member co-operating with the nearest housing locating means on the center frame member to support a mill housing, the housing locating means on said last mentioned side frame member co-operating with the rail on said side frame member to support the near end of a work supporting table in close proximity to one side of said mill housing, the housing locating means on the center frame member co-operating with the rail on said center frame member to support the near end of a work supporting table in close proximity to the other side of said mill housing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
US547005A 1953-04-02 1955-11-15 Rolling mill platform Expired - Lifetime US2929280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9285/53A GB741152A (en) 1953-04-02 1953-04-02 Improvements in or relating to rolling mill plant

Publications (1)

Publication Number Publication Date
US2929280A true US2929280A (en) 1960-03-22

Family

ID=9869037

Family Applications (1)

Application Number Title Priority Date Filing Date
US547005A Expired - Lifetime US2929280A (en) 1953-04-02 1955-11-15 Rolling mill platform

Country Status (7)

Country Link
US (1) US2929280A (fr)
BE (1) BE527830A (fr)
DE (1) DE1030285B (fr)
ES (1) ES214468A1 (fr)
FR (1) FR1098318A (fr)
GB (1) GB741152A (fr)
LU (1) LU32785A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064731A (en) * 1974-12-11 1977-12-27 Ab Bofors Device for inserting a hot, heavy blank in a die

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020594B (de) * 1956-11-09 1957-12-12 Thyssen Huette Ag Einrichtung zum Transport von Walzbloecken
DE1031248B (de) * 1956-11-24 1958-06-04 Siemag Siegener Masch Bau Walzgeruest
CN109772892B (zh) * 2018-11-28 2021-01-22 河钢股份有限公司承德分公司 精轧机维修维护辅助装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US247665A (en) * 1881-09-27 Rolling-mill
US503616A (en) * 1893-08-22 And francis t
US1021468A (en) * 1908-12-01 1912-03-26 George G Mcmurtry Apparatus for rolling shapes.
US1291521A (en) * 1918-05-15 1919-01-14 Thomas Edmund Holmes Means for securing and alining mill head-stocks, gables, and like machine parts upon their sole or foundation plates.
US1385644A (en) * 1920-01-15 1921-07-26 Alvin L Roberts Universal mill
US1828426A (en) * 1930-04-14 1931-10-20 Hegeler Zinc Company Rolling mill installation
US2638659A (en) * 1948-09-29 1953-05-19 Gray & Co G A Rail clamp for machine tools
DE894536C (de) * 1946-12-19 1953-10-26 Moeller & Neumann Gmbh Einrichtung zum Gewichtsausgleich fuer die Oberwalze eines Walzwerkes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE258507C (fr) *
FR416412A (fr) * 1909-08-06 1910-10-19 Firmin Brueckert Procédé de relaminage des vieux rails et appareils permettant sa réalisation
BE367520A (fr) * 1929-02-12
DE536802C (de) * 1930-06-24 1931-10-28 Hauts Fourneaux & Acieries De Kehrwalzwerk mit einem vorgesetzten Schlepprollenwalzwerk
DE712840C (de) * 1936-07-07 1941-10-27 Bruno Quast Stauchgeruest zum Stauchen von breitem Walzgut
DE680743C (de) * 1936-10-01 1939-09-07 Demag Akt Ges Rohrreduzier- und Masswalzwerk
DE678092C (de) * 1936-10-17 1939-07-08 Demag Akt Ges Masswalzwerk fuer Rohre
GB622338A (en) * 1947-03-11 1949-04-29 John Robertson Lamberton Improvements relating to an installation for the production of steel slabs
DE825240C (de) * 1948-10-03 1951-12-17 Bruno Quast Stauchwalzgeruest zum Stauchen von insbesondere schmalem und dickem Walzgut

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US247665A (en) * 1881-09-27 Rolling-mill
US503616A (en) * 1893-08-22 And francis t
US1021468A (en) * 1908-12-01 1912-03-26 George G Mcmurtry Apparatus for rolling shapes.
US1291521A (en) * 1918-05-15 1919-01-14 Thomas Edmund Holmes Means for securing and alining mill head-stocks, gables, and like machine parts upon their sole or foundation plates.
US1385644A (en) * 1920-01-15 1921-07-26 Alvin L Roberts Universal mill
US1828426A (en) * 1930-04-14 1931-10-20 Hegeler Zinc Company Rolling mill installation
DE894536C (de) * 1946-12-19 1953-10-26 Moeller & Neumann Gmbh Einrichtung zum Gewichtsausgleich fuer die Oberwalze eines Walzwerkes
US2638659A (en) * 1948-09-29 1953-05-19 Gray & Co G A Rail clamp for machine tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064731A (en) * 1974-12-11 1977-12-27 Ab Bofors Device for inserting a hot, heavy blank in a die

Also Published As

Publication number Publication date
LU32785A1 (fr)
GB741152A (en) 1955-11-30
FR1098318A (fr) 1955-07-22
ES214468A1 (es) 1955-06-01
DE1030285B (de) 1958-05-22
BE527830A (fr)

Similar Documents

Publication Publication Date Title
US3665746A (en) Combination rolling mill
US3208260A (en) Rolling mill
EP1715967A1 (fr) Procede et dispositif permettant de remplacer des series de cylindres dans les cages de laminoir d'un train de laminoir
US4471642A (en) Replacement stand for rolling mill
US2929280A (en) Rolling mill platform
US3566498A (en) Method for changing the rolls of a rolling mill and apparatus for applying the method
US3367162A (en) Apparatus for reducing slab width
US3418838A (en) Stand changing units for continuous rolling mills
EP0022151B1 (fr) Procédé et dispositif pour la séparation longitudinale thermique de platines métalliques rectangulaires, en particulier de sections de brames coulées en continu
US3733876A (en) Mill roll changing arrangement
CN208614675U (zh) 轧机工作辊弯辊及横移装置的拆除装置
JPH0241361B2 (fr)
US4962657A (en) Rolling mill train, particularly rolling mill train in a section mill
US5078000A (en) Rolling mill with interchangeable roller apparatus
US4406145A (en) Roll changing apparatus for rolling mills
US3648505A (en) Multiple center straightener
US3866455A (en) Mill roll changing system including a roll buggy
US3328993A (en) Rolling mill guides
US4136545A (en) Rolling mill stand
DE3941374A1 (de) Verfahren und vorrichtung zum auswechseln der walzen einer walzstrasse
US4615201A (en) System for replacing section rolling mill stands, multi-function stand-bearing trolley for positioning on the rolling sites and transport towards the pre-assembly sites
US3540254A (en) Apparatus for removing and replacing rolling mill drive spindles
CN217919913U (zh) 一种子母车
DE976842C (de) Anlage zum Herstellen von Baendern auf Breitbandwalzwerken
CN219274077U (zh) 一种h型钢轧机替换过桥装置