US3733874A - Wire mill in block form - Google Patents

Wire mill in block form Download PDF

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Publication number
US3733874A
US3733874A US00149632A US3733874DA US3733874A US 3733874 A US3733874 A US 3733874A US 00149632 A US00149632 A US 00149632A US 3733874D A US3733874D A US 3733874DA US 3733874 A US3733874 A US 3733874A
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United States
Prior art keywords
rolling
heads
wire
axes
rolling heads
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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
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US00149632A
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English (en)
Inventor
K Spiecker
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Mannesmann Demag AG
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Demag AG
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Publication date
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Publication of US3733874A publication Critical patent/US3733874A/en
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    • 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
    • B21B1/16—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 wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B21B1/18—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 wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
    • 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
    • B21B13/005—Cantilevered roll stands

Definitions

  • ABSTRACT Several substantially identical rolling heads or stands are arranged in series along a wire rolling line with each head having a driving unit carrying a pair of rotatable rolling disks cooperable with each other to exert a rolling force on the wire, the axes of rotation of the disks of each pair extending parallel to each other at an angle of 45 to the horizontal.
  • the disk axes of one set of rolling heads extend at 90 to those of the other set of rolling heads relative to a transverse plane through the rolling line.
  • the respective pairs of disk axes of at least two rolling heads immediately succeeding each other along the rolling line extend parallel to each other, and these two or more rolling heads are followed by rolling heads having the respective pairs of disk axes extending at right angles to those of the at least two rolling heads.
  • the rolling heads of each set may be driven by a respective driving shaft and the two driving shafts may be driven by associated motors operated in synchronism with each other or otherwise coupled to operate synchronously.
  • Each driving shaft is connected to the driving unit of each head or stand of the associated set.
  • the present invention is particularly applicable to a rolling mill of a type which may be used as a finishing roll mill for wire.
  • the wire passes through the wire train comprising several stands or blocks of rollers and emerges from the finish rolling machine which is arranged at the end.
  • the wire finishing blocks work at a substantially higher speed than in previously employed finishing lines in which they are arranged at greater distances from each other.
  • the degree of deformation in wire mills of block form is relatively low.
  • the wire finishing block enhances the tolerances which may be maintained during the treatment of the wire but only for a type of material that is comprised under the term mass structural steel.
  • the present invention provides a wire finishing block having a construction which permits the rolling of refined steels also.
  • Refined steels present particular difficulties because of their different deformation properties compared to mass structural steels. Alloyed and unalloyed refined steels, stainless steels, acid-resistant and heat resistant steels, anti-friction bearing steels, tool steels and high speed steels have such a greater strength that the course of the deformation cannot be derived from that of mass structural steel.
  • the rolling mill engineer tries to produce small and large lots of wire quantities of certain material quality economically.
  • the variation of the wire dimensions requires a great flexibility of the wire mills employed.
  • Wire trains which comprise individual strands require special quick change devices to obtain good flexibility. Finishing wire blocks have therefore been used only for surface refining at the end of these wire trains.
  • the flexibility of the finishing wire block is limited to the exchangeability of the roll disks in order to accommodate different wire diameters. With respect to the rest of the wire train, the wire finishing block is therefore not very flexible and has been used only for
  • the present invention provides a method of making wire blocks of known design more flexible to permit a changeover to a new wire dimension and to different material qualities.
  • the known wire mills in block form depend very rigidly upon the crossing shafts axes of two successive rolling heads for a certain broadening behavior of the material.
  • This rigidity is eliminated according to the invention which provides, within one row of the shaft axes which have varying directions of slope, at least two successive rolling heads of the same direction of slope of the shaft axes.
  • refined steels of the above-mentioned types it is possible to considerably increase the broadening of the material in successive passes.
  • This effect permits surprisingly the use of the wire blocks not only as wire finishing blocks but also for roughening and intermediate trains.
  • the new wire mill is therefore suitable for effecting a shortening of the wire trains to a considerable extent.
  • the diameter range of the wire produced can be selected to be relatively wide, that is up to approximately 12 millimeters.
  • the rolling heads are arranged in pairs with the roll shaft axes of the heads of each pair extending parallel to each other and those of adjacent pairs extending at right angles to each other.
  • each rolling head with its driving unit is connected to a driving branch of the main drive working with a rigidly set speed ratio and a separately adjustable superimposed drive can be connected between the rolling head driving unit and the driving branch.
  • the superimposed drive which is provided for each rolling head permits the adaption thereof to speeds hitherto unachieved for the deformation process.
  • the block frame is provided with shiftable rolling head guides whose guide axes intersect in the plane of the roll-pass cross section.
  • an object of the invention to provide an improved wire mill arrangement which includes two spaced parallel main drive shafts with a plurality of block stands connected thereto with drive take-offs from rollers which are arranged at an angle of 45 to the horizontal and wherein the stands may be selectively arranged to arrange two or more blocks in a row on each shaft.
  • a further object of the invention is to provide a wire mill which is simple in design, rugged in construction, and economical to manufacture.
  • FIG. 1 is a schematic representation of the known arrangement of rolling heads in a known wire finishing block
  • FIG. 2 is a view similar to FIG. 1 of an arrangement of rolling heads according to the invention.
  • FIG. 3 is a view similar to FIG. 2 of another embodiment of the invention.
  • FIG. 4 is a view similar to FIG. 2 of still another embodiment of the invention.
  • FIG. 5 is a side view of a wire mill according to the invention in block form with the block frame and the rolling heads being shown;
  • FIG. 1 which represents the prior art arrangement, a great number of rolling heads are provided.
  • Each rolling head 1 carries a driving unit 2, and a bearing 3 for the pair of rolling disks 4 and 5.
  • shaft axes 6 extend at an angle of 45 to the horizontal.
  • the shaft axes 6 are arranged in series in respect to their application of rolling forces on the wire in perpendicular directions.
  • the broadening of the material therefore manifests itself substantially transversely to the course of the rolling force.
  • FIG. 1 shows also that the broadening of the material requires a corresponding behavior of the material because of the rolling forces acting constantly in alternating directions.
  • the speed is transmitted here just as rigidly through a main driving motor 8 which, for example, may drive through a drive gearing 20 (or the two individual drives 8 which are connected electrically in synchronism).
  • two rolling heads 1 with the same direction of the shaft axes are arranged in a row on one shaft axis 22 of the main drive and these two rolling heads form a group which substantially increases the broadening of the material.
  • the other rolling heads 1' carried on the other shaft axis 22 are arranged to make the use of the principle of the broadening forces being reinforced in groups.
  • FIG. 3 A considerably greater increase of the broadening forces is achieved in the embodiment of FIG. 3.
  • the arrangement of FIG. 3 includes three block units 9 in a row on the shaft axis 22 and also on the opposite shaft take-off 22. The rolling is continued finally with individual rolling heads in this arrangement.
  • FIG. 4 just as great a flexibility is obtained by arranging only two unit groups in series and then continuing and finishing the rolling with individual rolling heads 1 which are alternately arranged on the respective take-off shafts 22 and 22'.
  • the drives for the individual rolling head 1 and the two unit groups 10 as shown in FIG. 4 or the three unit groups 9 of FIG. 3 is from separate motor drives 8,8 as in the prior art arrangement.
  • each block frame 11 for the roll mill blocks 1 has a rolling head guide 12 and a rolling head guide 13 whose guide axes intersect.
  • a rolling head guide 12 or only one rolling head guide 13 is employed.
  • the rolling heads 1 can be adjusted to the rolling line 14 by shifting them in the guides 12 and 13.
  • a wire mill arranged in block form and including several substantially identical rolling heads arranged in series along a rolling line with each head having a driving unit carrying a pair of rotatable rolling disks cooperable with each other to exert a rolling force on the wire, the axes of rotation of the disks of each pair extending parallel to each other and at an angle of 45 to the horizontal, and the disk axes of one set of rolling heads extending at to those of the other set of rolling heads, relative to a transverse plane through the rolling line; the improvement comprising the respective pairs of disk axes of a group comprising at least two rolling heads immediately succeeding each other along the rolling line extending parallel to each other.
  • each of said sets of rolling heads includes at least one of said groups; the groups of one set alternating with the groups of the other set along the rolling line.
  • the improvement claimed in claim 1 including a pair of main drives each associated with the rolling heads of a respective one of said sets; respective take-off shafts connecting the driving unit of each set to its associated main drive; and a respective separately adjustable superimposed drive for each take-off shaft.
  • each rolling head comprises two driving unit guides extending at substantially right angles to each other and each extending at 45 to the horizontal; the respective shaft axes of driving units mounted on said guides intersecting at the rolling line.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
US00149632A 1970-06-30 1971-06-03 Wire mill in block form Expired - Lifetime US3733874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702032294 DE2032294A1 (de) 1970-06-30 1970-06-30 Drahtwalzwerk in Blockbauform

Publications (1)

Publication Number Publication Date
US3733874A true US3733874A (en) 1973-05-22

Family

ID=5775360

Family Applications (1)

Application Number Title Priority Date Filing Date
US00149632A Expired - Lifetime US3733874A (en) 1970-06-30 1971-06-03 Wire mill in block form

Country Status (5)

Country Link
US (1) US3733874A (enrdf_load_stackoverflow)
BE (1) BE767685A (enrdf_load_stackoverflow)
DE (1) DE2032294A1 (enrdf_load_stackoverflow)
FR (1) FR2096586B3 (enrdf_load_stackoverflow)
GB (1) GB1352614A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314470A (en) * 1979-03-15 1982-02-09 Keiichiro Yoshida Roller die wire drawing device having a plurality of roller die units
AU649341B2 (en) * 1991-07-11 1994-05-19 Morgan Construction Company Rolling mill

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0058212A1 (de) * 1981-02-14 1982-08-25 MANNESMANN Aktiengesellschaft Drahtwalzwerk in Blockform, sogn. Drahtblock, mit mindestens einer angetriebenen Längswelle
DE3940736A1 (de) * 1989-12-09 1991-06-13 Schloemann Siemag Ag Hochleistungs-stabstahl/drahtstrasse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314470A (en) * 1979-03-15 1982-02-09 Keiichiro Yoshida Roller die wire drawing device having a plurality of roller die units
AU649341B2 (en) * 1991-07-11 1994-05-19 Morgan Construction Company Rolling mill

Also Published As

Publication number Publication date
FR2096586B3 (enrdf_load_stackoverflow) 1973-08-10
DE2032294A1 (de) 1972-01-05
GB1352614A (enrdf_load_stackoverflow) 1974-05-08
BE767685A (fr) 1971-10-18
FR2096586A7 (enrdf_load_stackoverflow) 1972-02-18

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