SE1350347A1 - Process and arrangement for making steel wire mesh and its use - Google Patents
Process and arrangement for making steel wire mesh and its use Download PDFInfo
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- SE1350347A1 SE1350347A1 SE1350347A SE1350347A SE1350347A1 SE 1350347 A1 SE1350347 A1 SE 1350347A1 SE 1350347 A SE1350347 A SE 1350347A SE 1350347 A SE1350347 A SE 1350347A SE 1350347 A1 SE1350347 A1 SE 1350347A1
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 27
- 239000010959 steel Substances 0.000 title claims abstract description 27
- 238000005096 rolling process Methods 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000011435 rock Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 description 9
- 238000005065 mining Methods 0.000 description 5
- 238000005482 strain hardening Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/08—Making wire network, i.e. wire nets with additional connecting elements or material at crossings
- B21F27/10—Making wire network, i.e. wire nets with additional connecting elements or material at crossings with soldered or welded crossings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C43/00—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass
- B21C43/02—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass combined with or specially adapted for use in connection with drawing or winding machines or apparatus
- B21C43/04—Devices for de-scaling wire or like flexible work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/02—Straightening
- B21F1/026—Straightening and cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
- B21F27/20—Making special types or portions of network by methods or means specially adapted therefor of plaster-carrying network
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Wire Processing (AREA)
- Metal Extraction Processes (AREA)
- Metal Rolling (AREA)
Abstract
Sammandrag Forfarande och arrangemang for framstallning (2) av ett staltradsnat (1), i vilket forfarande leds valstrad (2) med en given diameter till ett vidarebehandlingssteg (10), den behandlade valstraden (3) ratas ut och den kapas i delar av onskad langd, ett onskat nat (1) svetsas av avkapade traddelar (4, 4'), och i vilket forfarande och arrangemang den genomsnittliga diametern pa valstraden (2) inte forandras vasentligt i vidarebehandlingssteget, och forfarandet och arrangemanget ar fria Than varmebehandlingssteg. Fig. 1 Summary Method and arrangement for manufacturing (2) a steel wire mesh (1), in which process wire wire (2) of a given diameter is passed to a further processing step (10), the treated wire wire (3) is unloaded and cut into pieces of desired length, a desired seam (1) is welded by cut wire parts (4, 4 '), and in which method and arrangement the average diameter of the rolling line (2) does not change substantially in the further processing step, and the method and arrangement are free Than heat treatment steps. Fig. 1
Description
1 FORFARANDE OCH ARRANGEMANG FOR FRAMSTALLNING AV STALTRADSNAT OCH DESS ANVANDNING Uppfinningens andarnal Uppfinningen avser ett forfarande och ett arrangemang for framstallning av staltradsnat enligt ingresserna till de bifogade sjalvstandiga patentkraven. Uppfinningen avser aven anvandningen av en med fOrfarandet framstalld produkt pa vaggar i gruvgangar och dylika konstruktioner. BACKGROUND OF THE INVENTION The invention relates to a method and an arrangement for the production of stable wire mesh according to the preambles of the appended independent claims. The invention also relates to the use of a product produced by the process on rocks in mine tunnels and similar constructions.
Uppfinningens bakgrund Pa vaggar av gruvgangar och dylika konstruktioner fasts ett nat som frann- stallts av staltrad, ett s.k. gruvnat, for att forstarka tunnelkonstruktionen samt for att hindra ras av losa stenar. Gruvnatet som anvands skall -160 tunnelns vaggar, varfor gruvnatet maste framstallas av lampligt mjuk trad. Pa staltraden som anvands for framstallning av natet finns det dock vissa hallfasthetskrav, beroende pa anvandningsomradet, for att natkonstruktionen som framstallts av den skall halla i anvandningsomradet. Det framstallda gruv- natet bor dock vara relativt latt fornnbart for att den kan fornnas genom maskinell pressning att -160 formen av tunnelns vaggar. Background of the Invention On rocks of mining tunnels and similar structures a net is fastened which is made of steel, a so-called mined, to strengthen the tunnel construction and to prevent landslides from loose stones. The mining seam used must be the cracks of the -160 tunnel, for which reason the mining seam must be made of suitable soft wood. On the stable line used for the production of the net, however, there are certain half-strength requirements, depending on the area of use, in order for the net construction produced by it to remain in the area of use. The produced mine should, however, be relatively easily formed so that it can be aged by mechanical pressing to the shape of the tunnel's rock.
Typiskt frannstalls gruvnat av valstrad sa att valstrad sonn frannstallts av stal och med en given diameter leds forst till ett kallbearbetningssteg, i vilket valstradens diameter vasentligt minskas till den onskade traddiametern som anvands i den slutliga natkonstruktionen. Valstradens diameter minskas typiskt med 8-30 %. Kallbearbetningen kan utforas antingen genom valsning eller genom kalldragning. Kallbearbetningen kraver en eller flera efter varandra foljande valsar eller dragskivor med oppningar i olika storlekar, eftersom tradens diameter inte kan minskas mera an en bestamd del pa en gang. Kallbearbetningen fOrstarker traden, varfor staltraden maste varmebehandlas efter kallbearbetningen fOr att na den 6nskade nnjukheten och formbarheten for att traden kan anvandas for framstallning av gruvnat. Typically, wire mesh mined from wire mesh means that wire mesh son is healed from steel and with a given diameter is first led to a cold working step, in which the wire mesh diameter is substantially reduced to the desired wire diameter used in the final night construction. The diameter of the rolling bar is typically reduced by 8-30%. The cold processing can be carried out either by rolling or by cold drawing. The cold working requires one or more successive rollers or drawing discs with openings in different sizes, since the diameter of the wire can not be reduced more than a certain part at once. The cold working strengthens the wire, which is why the steel wire must be heat-treated after the cold working in order to achieve the desired accuracy and formability so that the wire can be used for the production of mines.
Varmebehandlingen f6rbrukar ansenliga mangder energi och saledes hojer produktionskostnader av natet sonn frannstallts av staltrad. Efter varnne- 2 behandlingen ratas och kapas den glodgade staltraden i en onskad langd, varefter en onskad natkonstruktion framstalls av traden genom svetsning. The heat treatment consumes considerable amounts of energy and thus increases the production costs of the wet son produced by staltrad. After the warning treatment, the glazed steel line is razed and cut to a desired length, after which a desired night construction is produced by the line by welding.
Uppfinningens andarnal och beskrivning Syftet med den ifragavarande uppfinningen är att presentera ett fOrfarande och ett arrangemang for framstallning av ett staltradsnat, foretradesvis ett gruvnat, av valstrad, vilket är enklare och saledes kostnadseffektivare an ett konventionellt framstallningsforfarande. SUMMARY AND DESCRIPTION OF THE INVENTION The object of the present invention is to present a method and an arrangement for producing a stable wire bed, preferably a mined one, of rolled wire, which is simpler and thus more cost-effective than a conventional manufacturing method.
For att uppna detta andarnal är det uppfinningsenliga forfarandet och arrangemanget huvudsakligen kannetecknat av det som anges i den kannetecknande delen av de sjalvstandiga patentkraven. In order to achieve this spirit, the method and arrangement according to the invention are mainly characterized by what is stated in the characterizing part of the independent claims.
I de andra, osjalvstandiga patentkraven anges nagra formanliga utforings- former av uppfinningen. In the other, dependent claims, some formable embodiments of the invention are stated.
I ett typiskt forfarande enligt uppfinningen for framstallning av ett staltradsnat, foretradesvis ett gruynat, av valstrad - leds valstrad med en given diameter till ett vidarebehandlingssteg, ratas den behand lade valstraden ut och kapas i delar av onskad langd, svetsas ett onskat nat av de avkapade traddelarna, och i vilket f6rfarande den genomsnittliga diametern pa valstrklen inte forandras vasentligt i det vidarebehandlingssteget, och att forfarandet är fritt 25 tan varmebehandlingssteg. In a typical process according to the invention for producing a steel wire rod, preferably a gruynate, of wire rod - led wire wire of a given diameter to a further processing step, the treated wire rod is unloaded and cut into parts of the desired length, a welded wire is welded by the cut the wire parts, and in which process the average diameter of the roll is not substantially changed in the further processing step, and that the process is free of heat treatment step.
Ett typiskt arrangemang enligt uppfinningen for frannstallning av ett staltradsnat, foretradesvis ett gruvnat, av valstrad, vilket arrangemang omfattar minst - medel for ledning av en valstrad till ett vidarebehandlingssteg, medel for vidarebehandling av valstraden, medel f6r raffling av den behand lade valstraden och f6r avkapning i delar av onskad langd, och medel for svetsning av ett nat av traddelar. A typical arrangement according to the invention for dismantling a steel wire mesh, preferably a mined wire, of wire mesh, which arrangement comprises at least - means for guiding a wire mesh to a further processing step, means for further processing the wire mesh, means for raffling the treated wire mesh and for cutting in parts of desired length, and means for welding a seam of wire parts.
Arrangemanget är fritt Than varmebehandlingsmedel, och medlen for vidarebehandling av valstraden ar sa anordnade att den genonnsnittliga diannetern pa valstraden inte vasentligt forandras i det vidarebehandlingssteget. 3 Ett staltradsnat som framstallts med forfarandet enligt uppfinningen anvands typiskt i vaggar av gruvtunnlar eller dylika konstruktioner for att forstarka tunnelkonstruktionen och for att hindra ras av losa stenar. Saledes anvands det med det uppfinningsenliga forfarandet framstallda natet typiskt som ett s.k. gruvnat. Gruvnatet Or typiskt ett plant och bojligt stalnat som kan fastas pa vaggen av en gruvtunnel eller dylikt konstruktion, och efter fastningen av natet kan tunnelns vaggar betongbelaggas. The arrangement is free of heat treatment means, and the means for further processing the rolling line are arranged so that the average diameter of the rolling line does not change substantially in the further processing step. A steel wire mesh made by the method of the invention is typically used in rock tunnels or similar structures to reinforce the tunnel structure and to prevent loose rock from falling. Thus, the nut prepared by the process according to the invention is typically used as a so-called gruvnat. The mine net is typically a flat and flexible steel that can be fastened to the cradle by a mining tunnel or similar construction, and after the fastening of the net, the cradle's cradles can be concrete coated.
Nu har man overraskande upptackt att ett gruvnat eller en motsvarande natkonstruktion med en tillracklig hallfasthet och formbarhet kan latt och enkelt framstallas av valstrad med en given diameter, vilken trad uppfyller de onskade kraven pa hallfasthet och form barhet utan ett skilt varmebehandlingssteg. Vid framstallning av ett staltradsnat enligt uppfinningen leds den som ramaterial anvanda valstraden endast genom ett enda vidarebehandlingssteg och ett ratningssteg fore bildningen av den egentliga natkonstruktionen genom svetsning. Med andra ord leds valstraden i det uppfinningsenliga forfarandet typiskt direkt Than vidarebehandlingssteget till ratningssteget, mojligtvis genom mellanhaspling men utan nagra mellansteg som skulle paverka tradens hallfasthetsegenskaper. Saledes är det uppfinningsenliga frannstallningsforfarandet, vilket är fritt tan valstradens varmebehandlingssteg, betydligt enklare och kostnadseffektivare an framstallningsforfarandet enligt den kanda tekniken. It has now surprisingly been discovered that a mined or a corresponding night structure with a sufficient half-strength and formability can be easily and simply produced from rolled wire of a given diameter, which wire meets the desired requirements for half-strength and formability without a separate heat treatment step. In the production of a steel wire mesh according to the invention, the wire wire used as raw material is guided only by a single further processing step and a rattling step for the formation of the actual wire structure by welding. In other words, in the process according to the invention, the rolling wire is typically led directly than the further processing step to the rating step, possibly by intermediate spinning but without any intermediate steps which would affect the semi-solid properties of the wire. Thus, the manufacturing process according to the invention, which is free from the heat treatment step of the rolling mill, is much simpler and more cost-effective than the manufacturing process according to the prior art.
I det uppfinningsenliga forfarandet omfattar vidarebehandlingssteget endast ett s.k. kalibreringsdragning, vars syfte är inte att vasentligt forandra valstradens genomsnittliga diameter utan valstradens genomsnittliga diameter Or huvudsakligen densamma fore och efter vidarebehandlingssteget. Med andra ord halls valstradens genomsnittliga diameter vasentligen konstant under vidarebehandlingssteget. Valstradens genomsnittliga diameter betyder medelvardet av diametrar som matts pa flera stallen i &Aden. Minst mats diameter pa tre olika stallen, foretradesvis pa nninst fern olika stallen, f6r utrakning av den genomsnittliga diarnetern. Vidarebehandlingen utfors dock for att avlagsna fran ytan av stalvalstraden vilket anvands som material f6r natet glodskal och annan mOjlig slagg och fororeningar som forsvarar svetsningen av ett nat fran staltrad. Sarntidigt kan man bearbeta tradens diameter rundare, eftersom tvarsnittet av obearbetad 4 valstrad typiskt inte är helt runt utan det kan vara ovalformat eller annars deformerat. In the method according to the invention, the further processing step comprises only a so-called calibration pull, the purpose of which is not to substantially change the average diameter of the rolling bar but the average diameter of the rolling bar Or essentially the same before and after the further processing step. In other words, the average diameter of the rolling bar is kept substantially constant during the further processing step. The average diameter of the rolling row means the mean value of diameters measured at several places in & Aden. At least the diameter of the food in three different places, preferably in at least four different places, for calculating the average diurnal. The further treatment is, however, carried out to remove from the surface of the steel roll line, which is used as a material for the welded shell and other possible slag and contaminants which defend the welding of a seam from the steel line. At the same time, the diameter of the wire can be machined rounder, since the cross-section of an unworked 4 rolled wire is typically not completely round but can be oval-shaped or otherwise deformed.
Vid en foredragen utforingsform av uppfinningen minskar valstradens genomsnittliga diameter i vidarebehandlingssteget typiskt med hogst 2 (:)/0 och mer typiskt med hogst 1,5 % i forhallande till valstradens genomsnittliga diameter fore vidarebehandlingssteget. I en utforingsform är forandringen i valstradens genomsnittliga diameter i vidarebehandlingssteget typiskt mellan 0 och 2 %, mer typiskt mellan 0 och 1,5 %, annu mer typiskt mellan 0,01 och 1,5%. In a preferred embodiment of the invention, the average diameter of the rolling bar in the further processing step typically decreases by a maximum of 2 (:) / 0 and more typically by a maximum of 1.5% in relation to the average diameter of the rolling bar before the further processing step. In one embodiment, the change in the average diameter of the rolling bar in the further processing step is typically between 0 and 2%, more typically between 0 and 1.5%, even more typically between 0.01 and 1.5%.
I ett forfarande enligt uppfinningen utfors vidarebehandlingen dvs. kalibreringsdragningen genom att leda valstraden genom minst en dragskiva, varvid diametern pa oppningen i dragskivan är vasentligt densamma som vals- tradens genomsnittliga diameter. I en f6redragen utf6ringsform leds vals- traden genom bara en dragskiva, varvid processen är sa enkel som mojligt. Alternativt kan vidarebehandlingen utf6ras i det uppfinningsenliga forfarandet genom att leda valstraden genom en eller flera valsningsenheter pa sa satt att valstradens genomsnittliga diameter inte forandras vasentligt. I en fore- dragen utf6ringsform leds valstraden i vidarebehandlingssteget genom bara en valsningsenhet sa att valstradens genomsnittliga diameter inte forandras vasentligt. In a method according to the invention, the further processing is carried out, i.e. the calibration drawing by guiding the rolling wire through at least one drawing disc, the diameter of the opening in the drawing disc being substantially the same as the average diameter of the rolling thread. In a preferred embodiment, the roll wire is guided through only one draw plate, the process being as simple as possible. Alternatively, the further processing can be carried out in the method according to the invention by guiding the rolling row through one or more rolling units in such a way that the average diameter of the rolling row does not change substantially. In a preferred embodiment, the rolling line in the further processing step is guided by only one rolling unit so that the average diameter of the rolling line does not change significantly.
Eftersonn syftet med kalibreringsdragningssteget är endast att avlagsna glodskal fran ytan av valstraden som anvands som ramaterial f6r staltradsnatet, kan produktionshastigheten i detta steg hallas hog. I en utforingsform av uppfinningen är produktionshastigheten, vilken betyder har valstradens lophastighet i vidarebehandlingssteget, vasentligen densamma som maximihastigheten av den i vidarebehandlingen anvanda haspelsenheten f6r trad. Produktionshastigheten är, till exennpel, ungefar m/s. Produktionshastigheten paverkas saledes inte av att valstraden leds genom vidarebehandlingsmedel, sasom en dragskiva eller ett valspar. Since the purpose of the calibration drawing step is only to remove filaments from the surface of the wire rod used as the raw material for the wire rod, the production speed in this step can be kept high. In one embodiment of the invention, the production speed, which means that the running speed of the rolling bar in the further processing step is essentially the same as the maximum speed of the reel unit used in the further processing. The production speed is, for example, about m / s. The production speed is thus not affected by the fact that the rolling line is guided by further processing means, such as a traction sheave or a pair of rollers.
Valstraden som anvands i forfarandet enligt uppfinningen är trad som framstallts av stal genom varmvalsning och som typiskt har ett cirkelformigt tvarsnitt. Brottojningen (Aio) av valstraden som anvands i det uppfinnings- enliga forfarandet är typiskt ca 25-35 °A. Brotthallfastheten Rn, av valstraden är typiskt ca 370-420 N/mm2 och strackgransen RP0,20 ca 320-370 N/mm2. The rolling mill used in the process according to the invention is a wire which is made of steel by hot rolling and which typically has a circular cross section. The gross bending (Aio) of the roll bar used in the process according to the invention is typically about 25-35 ° A. The fracture toughness Rn, of the rolling bar is typically about 370-420 N / mm2 and the tensile strength RP0.20 about 320-370 N / mm2.
Ett typiskt staltradsnat, foretradesvis ett gruvnat enligt uppfinningen, framstalls vasentligen av slat staltrad, dvs vidarebehandlad valstrad. A typical steel wire bar, preferably a mine wire according to the invention, is essentially made of smooth steel wire, i.e. further processed wire wire.
I en foredragen utforingsform av uppfinningen anvands som material for gruvnatet valstrad, vars diameter är ca 5,5 mm eller 6 mm. Eftersom f6rfarandet enligt uppfinningen inte vasentligen paverkar tradens diameter, är staltradsnatet enligt uppfinningen saledes frannstallt av staltrad med en dia- meter av ca 5,5 mm eller 6 mm. Tradens diameter paverkar maskvidden av natet som framstalls, for att na natets onskade hallfasthet och vikt. Diametern pa traden och maskvidden av natet som framstalls av den valjs enligt anvandningsomrade. In a preferred embodiment of the invention, rolled wire is used as the material for the mining seam, the diameter of which is about 5.5 mm or 6 mm. Since the method according to the invention does not substantially affect the diameter of the wire, the steel wire seam according to the invention is thus made of steel wire with a diameter of about 5.5 mm or 6 mm. The diameter of the thread affects the mesh width of the net being produced, in order to achieve the desired half-strength and weight of the net. The diameter of the thread and the mesh width of the net produced by it are selected according to the area of use.
Av avkapade delar av behandlad valstrad, dvs. staltrad, bildas en natformig konstruktion, och de traddelar som i konstruktionen placeras ovanpa varandra svetsas fast i varandra pa stallen dar delarna korsar varandra. Of cut parts of treated wire mesh, ie. stable wire, a wet-shaped structure is formed, and the wire parts which in the construction are placed on top of each other are welded to each other in the stable where the parts cross each other.
Uppfinningens detaljerade beskrivning I det foljande beskrivs uppfinningen narmare med hanvisning till bifogad figur 1 som askadliggor forfarandet och arrangemanget enligt uppfinningen. DETAILED DESCRIPTION OF THE INVENTION In the following, the invention is described in more detail with reference to the accompanying Figure 1, which illustrates the method and arrangement according to the invention.
I forfarandet enligt figur 1 leds valstrad 2 som anvands som utgangsmaterial f6r en konstruktion 1 till ett vidarebehandlingssteg 10, i vilket valstraden 2 leds genonn antingen nninst en dragskiva eller en valsningsenhet sa att glodskal kan avlagsnas fran ytan av valstraden. Efter vidarebehandlingssteget 10 kan den behandlade valstraden 3 hasplas igen f6re den behandlade valstraden 3 dvs staltraden leds vidare till ett foljande steg 20, i vilket staltraden 3 ratas och kapas i delar 4, 4' av onskad langd. Ratningen av traden betyder riktning av traden, for att det ska bli mojligt att kapa av vasentligt rata langstrackta delar 4, 4' av traden. In the method according to Figure 1, wire rod 2 used as a starting material for a structure 1 is led to a further processing step 10, in which the wire rod 2 is led through either at least one draw plate or a rolling unit so that scale can be removed from the surface of the wire rod. After the further processing step 10, the treated rolling bar 3 can be rewound before the treated rolling bar 3, i.e. the steel bar is passed on to a subsequent step 20, in which the steel bar 3 is routed and cut into parts 4, 4 'of desired length. The straightening of the trade means the direction of the trade, so that it will be possible to cut off substantially straight elongated parts 4, 4 'of the trade.
Av de av staltraden 3 avkapade delarna 4, 4' bildas en natformig konstruktion 1, foretradesvis ett gruvnat, genonn svetsning. Natkonstruktionen 1 svetsas 6 pa delarnas 4, 4' korsningsstallen, dar delarna 4, 4' som är placerade i olika riktningar relativt varandra ligger ovanpa varandra. From the parts 4, 4 'cut off by the steel row 3, a wet-shaped construction 1 is formed, preferably a mined, thoroughly welded one. The night structure 1 is welded 6 at the intersection of the parts 4, 4 ', where the parts 4, 4' which are placed in different directions relative to each other lie on top of each other.
I det foljande ges ett exempel pa ett gruvnat som framstallts med ett for- farande enligt uppfinningen. The following is an example of a mine prepared by a process according to the invention.
Exempel For framstallning av ett nat anyands valstrad som framstallts av stal vars - genomsnittliga diameter är 5,5 mm _ brottojning A10 = 25-35 % - brotthallfasthet Rm = 370-420 NI/mnn2 _ strackgransen RP0,20 = 320-3701\l/mm2 Valstraden dras genom en dragskiva, vars oppning har en diameter pa 5,5 mm, eller genom en valsningsenhet som är installd pa 5,5 mm i diameter f6r att kunna reng6ra glodskalen bort fran ytan pa valstraden (s.k. kalibreringsdragning). Den genomsnittliga diametern pa behandlad valstrad är h6gst 1,(:)/0 mindre an pa obehandlad valstrad. Example For the production of a Nat'and rolling mill made of steel whose - average diameter is 5.5 mm - elongation at break A10 = 25-35% - fracture toughness Rm = 370-420 NI / mnn2 _ yield strength RP0,20 = 320-3701 \ l / mm2 The rolling wire is drawn through a drawing disc, the opening of which has a diameter of 5.5 mm, or through a rolling unit which is installed at 5.5 mm in diameter in order to be able to clean the scale away from the surface of the rolling wire (so-called calibration drawing). The average diameter of treated wire rod is at most 1, (:) / 0 smaller than of untreated wire rod.
Efter kalibreringsdragningen ratas den behandlade slata staltraden och kapas i delar av onskad langd. Av de avkapade delar svetsas en natformig konstruktion i onskad storlek. Till exempel är storleken av staltradsnatet 2270 mm x 2530 mm och natets nnaskvidd 75 mm x 75 mm, varvid man nar de for natet onskade hallfasthets- och formbarhetsegenskaperna. After the calibration run, the treated smooth stable line is razed and cut into parts of the desired length. A wet-shaped construction of the desired size is welded to the cut-off parts. For example, the size of the steel wire mesh is 2270 mm x 2530 mm and the nose width of the mesh is 75 mm x 75 mm, thereby achieving the desired hall strength and formability properties of the mesh.
Uppfinningen skall inte begransas till de utforingsfornner som presenterats som exempel ovan, utan uppfinningen skall tillampas pa ett vidstrackt satt inom ramen av uppfinningsiden som definieras i de fOljande patentkraven. 7 The invention is not to be limited to the embodiments presented as examples above, but the invention is to be applied in a broad way within the scope of the invention as defined in the following claims. 7
Claims (10)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20135036A FI125869B (en) | 2013-01-11 | 2013-01-11 | Method for producing a mine net made of steel wire and use of mine net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE1350347A1 true SE1350347A1 (en) | 2014-07-12 |
| SE537141C2 SE537141C2 (en) | 2015-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| SE1350347A SE537141C2 (en) | 2013-01-11 | 2013-03-20 | Process and arrangement for making steel wire mesh and its use |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2754511B1 (en) |
| ES (1) | ES2691123T3 (en) |
| FI (1) | FI125869B (en) |
| LT (1) | LT2754511T (en) |
| PL (1) | PL2754511T3 (en) |
| PT (1) | PT2754511T (en) |
| SE (1) | SE537141C2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017098082A1 (en) * | 2015-12-07 | 2017-06-15 | Tammet Oy | Mesh for mining and subterranean constructions |
| CN107876580B (en) * | 2017-09-30 | 2019-09-27 | 李文华 | A kind of multifunctional steel wire coil winder to derust with straightening |
| CN108787767A (en) * | 2018-06-15 | 2018-11-13 | 金华市永达金属结构有限公司 | A kind of wire drawing machine and application method |
| CN111014318A (en) * | 2019-12-17 | 2020-04-17 | 江西云泰铜业有限公司 | Wire drawing device for copper product production and processing |
| CN111691048A (en) * | 2020-07-01 | 2020-09-22 | 海宁艾力针织有限公司 | Conveniently-controlled tufting yarn equidistant cutting equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1281466B1 (en) * | 1995-12-22 | 1998-02-18 | Impianti Industriali Spa | PROCEDURE FOR THE PRODUCTION OF ELECTRO-WELDED MESH AND RELATED DEVICE |
| AT408196B (en) * | 1999-03-02 | 2001-09-25 | Evg Entwicklung Verwert Ges | METHOD AND SYSTEM FOR PRODUCING GRID MATS |
| AU2002300805B2 (en) * | 2001-08-28 | 2007-02-15 | The Australian Steel Company (Operations) Pty Ltd | Metal mesh and method for producing a wire component therefor |
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2013
- 2013-01-11 FI FI20135036A patent/FI125869B/en active IP Right Grant
- 2013-03-20 SE SE1350347A patent/SE537141C2/en unknown
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- 2014-01-10 EP EP14150765.7A patent/EP2754511B1/en active Active
- 2014-01-10 LT LTEP14150765.7T patent/LT2754511T/en unknown
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| Publication number | Publication date |
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| PT2754511T (en) | 2018-11-08 |
| ES2691123T3 (en) | 2018-11-23 |
| SE537141C2 (en) | 2015-02-17 |
| EP2754511B1 (en) | 2018-08-08 |
| LT2754511T (en) | 2018-11-12 |
| FI20135036A (en) | 2014-07-12 |
| PL2754511T3 (en) | 2019-01-31 |
| FI125869B (en) | 2016-03-15 |
| EP2754511A1 (en) | 2014-07-16 |
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