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WO2000067996A1 - Presse pourvue d'une tole - Google Patents

Presse pourvue d'une tole Download PDF

Info

Publication number
WO2000067996A1
WO2000067996A1 PCT/AT2000/000114 AT0000114W WO0067996A1 WO 2000067996 A1 WO2000067996 A1 WO 2000067996A1 AT 0000114 W AT0000114 W AT 0000114W WO 0067996 A1 WO0067996 A1 WO 0067996A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
plane
weld seam
working
working plane
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.)
Ceased
Application number
PCT/AT2000/000114
Other languages
German (de)
English (en)
Inventor
Karl Narbeshuber
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.)
Berndorf Band GmbH
Original Assignee
Berndorf Band GmbH
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 Berndorf Band GmbH filed Critical Berndorf Band GmbH
Priority to AU42749/00A priority Critical patent/AU4274900A/en
Publication of WO2000067996A1 publication Critical patent/WO2000067996A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
    • B23K20/023—Thermo-compression bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
    • B23K33/004—Filling of continuous seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/18—Sheet panels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys

Definitions

  • the invention has a press with a sheet of steel, e.g. B. press plate, in particular endless belt, and a sheet for a press to the subject.
  • a press with a sheet of steel, e.g. B. press plate, in particular endless belt, and a sheet for a press to the subject.
  • the masses to be thermally solidified are introduced into the gap between endless belts of a double belt press.
  • Such tapes have z. B. a width of 2.0 m and a length of 14.0 m.
  • the uniform movement of the upper and lower belt is 10 m / min.
  • the heat is introduced from both the lower and upper belt via heat conduction on and through the upper and lower belt.
  • At least one of the tapes has a smooth surface with an average roughness of a few ⁇ m, whereas the other tape can have a structure with which a surface is embossed and solidified during the pressing process.
  • Press plates have a particularly high surface quality, with particularly high demands being placed on both the flatness and the roughness.
  • During the Production can result in damage to the press plates due to inhomogeneities in the pressed material.
  • Such inhomogeneities are, for example, due to metallic inclusions in the woods.
  • the press plates which have a relatively small thickness, begin with 1 mm
  • Sheet extends or by replacing a round area.
  • a corresponding area is removed mechanically or by plasma cutters from the sheet. This removal is carried out by guiding the plasma cutter or a mechanical cutting device along a guide held on the sheet metal via electromagnets or vacuum suction elements which are connected to a vacuum source.
  • the cut surfaces in the sheet are machined, the processing tool, a milling cutter, being moved again along the guide fastened to the tape by an electric motor.
  • the machining chips or the like are collected in a cup which is arranged below the endless belt. Then a round blank to be welded in is inserted, which is again fixed in the desired position by means of a holder.
  • the weld seam obtained in this way can be mechanically, e.g. B are reworked by cold forming.
  • Such weld seams were produced in such a way that they have a substantial projection over the adjacent unaffected steel strip surface, so that in the subsequent machining process the weld seam and the weld surface are as uniform as possible subsequent areas has been reached, but the burn-in must be removed. B. with an angle grinder.
  • the aim of the present invention is to provide a sheet and a press with sheet metal in which plastic masses are subjected to heat, whereby weld seams, which are caused, for example, by the exchange of damaged areas of the sheet, do not cause any visually discernible inhomogeneities in the product produced.
  • the press according to the invention with a sheet of steel, for. B. press plate, in particular endless belt, in particular with a thickness of 1.0 mm to 3.0 mm and an average surface roughness of 1.0 microns to 4.0 microns for thermal shaping and
  • Solidification of plastic masses e.g. B. for chipboard, plastic films and a heater that introduces heat into the plastic masses over a working level of the sheet, which is a single-layer or multi-layer butt-welded weld made of the same material, especially identer
  • Composition comprising steel, consists essentially in that the surface of the weld lies in a curved surface which lies between the working plane and the plane of the sheet opposite this, which has a greatest normal distance, in particular from 30 microns to 50 microns
  • weld seam ensures that there are no notches on the working surface of the strip, as a result of which the service life of the sheet can be significantly increased and, on the other hand, the area of the weld seam as such can be kept particularly small since the edge regions are only melted to a lesser extent have to. Due to the specific design of the weld seam on the opposite side of the work surface
  • the surface of the weld seam and the adjoining areas forms an angle ⁇ of a maximum of 4 ', in particular a maximum of 2', with the working plane, on the one hand, particularly little mechanical processing of the weld seam and the adjoining areas can take place, the product in its optical appearance not is impaired.
  • weld seam is self-contained, a substitution of small areas of the sheet can also take place, and here too an optical impairment of the product produced can be avoided.
  • the width of the weld seam with the areas adjoining on both sides, which lie in the curved surface 40 to 70 times, in particular 50 to 60 times, the thickness of the sheet, there is a particularly good course of the transition between the weld seam and the working plane of the sheet, and furthermore the processing areas are kept relatively small.
  • weld seam is double V-shaped in cross-section, a particularly good heat transfer between sheet metal and heat-transferring units can be ensured, and a particularly high strength is also guaranteed.
  • intersection curve of the surface of the weld seam and the areas adjoining on both sides on the plane opposite the working plane with a normal plane points to the working plane at least one point of discontinuity to each
  • Processing of the weld seam and the adjacent areas can be kept particularly low, so that a particularly flat training can be achieved.
  • the steel sheet according to the invention for. B. press plate, in particular endless belt, with a thickness of 1.0 mm to 3.0 mm and an average roughness of 1.0 microns to 4.0 microns and two plane-parallel planes, one of which serves as a working plane, with a weld made of the same type of material, in particular an identical composition, to steel, consists essentially in the fact that the surface of the weld seam lies in a curved surface, which is arranged in particular between the working plane and the plane of the sheet metal lying opposite it, which in particular has a maximum normal distance of 30 ⁇ m to 50 ⁇ m to the working plane of the sheet and a cutting curve of the surface of the weld seam with the areas of the working plane adjoining on both sides with a normal plane to the working plane of the sheet is continuous and the surface of the weld seam on the side of the sheet opposite the working plane in the plane or a surface whose highest maximum normal distance of at most 20 ⁇ m lies or has with the plane of the surface of the
  • the surface of the sheet has an optical inhomogeneity, and it was surprising that a homogeneous product can be achieved by creating an inhomogeneity area on the surface of the strip.
  • the width of the weld seam with the regions adjoining on both sides, which lie in the curved surface is 40 to 70 times, in particular 50 to 60 times, the thickness of the sheet, then a particularly advantageous adaptation of the surface of the Given weld seam and the subsequent areas taking into account the total thickness of the weld seam, so that both the strength and the formation of the
  • weld seam is double V-shaped in cross section, there is a particularly homogeneous transition along the entire thickness of the sheet between the weld seam and the sheet metal, the overall width of the weld seam being able to be kept smaller due to the double-sided welding.
  • intersection curve of the surface of the weld seam and the regions adjoining it on both sides on the plane opposite the working plane with a normal plane on the working plane has at least one point of discontinuity on each side of the weld seam, then a particularly flat one can be used
  • Fig. 2 shows the section through a sheet of steel with a weld.
  • the double belt press shown in FIG. 1 has a frame 1 which carries the entire device, in particular the deflection rollers 2 and drive rollers 3.
  • the longitudinal distance between the axes a of the rollers is 720 mm.
  • a gap 6 is formed by the two deflection rollers 2 with a diameter of 1,800 mm and the upper and lower belts 4, 5 cooperating with them, which gap is located only in the region of the deflection rollers, into which a preliminary product 7 made of plastically formable materials is introduced .
  • the exact distance of the deflection rollers 2 is regulated by hydraulic rams 8, which sets a distance between the upper support 9 via the deflection rollers 2 and the lower support 10 for the lower deflection rollers 2.
  • there are upper and lower idlers 11, 12 which support the belts 4, 5 after the inlet gap.
  • the drive rollers 3 each have their own drive motor 3a and 3b.
  • the idlers have a common drive 15, which carries out a synchronous movement of this concern.
  • Hardy disks are provided to slight unevenness of the linkage, u. to compensate for each other between the waves. If necessary, other joints, such as universal joints, can be used.
  • the upper rollers 11 and the lower rollers 12, which can be designed to be displaceable in the horizontal and vertical, have the task of supporting the upper or lower lower band and, if necessary, of keeping them slightly aligned in the direction of the other band. Through the upper heating device 13 and the lower heating device 14, heat is introduced to the upper belt 5 and the lower belt 4 by direct contact via grinding elements.
  • the endless belt 4 shown in section in FIG. 2 has a thickness d ! of 2.6 mm, the average roughness determined according to DIN M 1115 is 1.5 ⁇ m.
  • the weld seam 17 is double V-shaped and has a thickness d of 2.550 mm.
  • the belt 4 has an upper working level 18 and a level 19 opposite this.
  • the cut surfaces of both the strip 4 and the weld seam 17 lie in a normal plane on the working plane 18.
  • the surface 20 lies in a curved surface 21 which has a greatest normal distance x of 50 ⁇ m from the working plane 18 and can also be designed asymmetrically .
  • the surface 20 of the weld seam 17 and the two adjoining regions 22 and 23 have a maximum angle ⁇ , which is enclosed by the curved surface 21 with the working plane 18, of 2 angular minutes.
  • the curved surface 21 extends over 150 mm and is therefore 58 times the thickness di of the sheet.
  • the curved surface 21 is continuous in section and merges continuously into the working plane 18, the angle ⁇ being continuously decreasing.
  • the surface 24 of the weld coming to lie in level 19 can have a maximum distance from the plane 19 of 20 ⁇ m. Notched on both sides of the weld places 25 and 26 are provided, the discontinuities are on average.
  • the procedure for inserting a sheet blank into the endless band is as follows.
  • the point of inhomogeneity in the strip is determined and a hole is provided through the strip in the center thereof.
  • a centering pin is guided through this hole, via which a guide with electromagnets is arranged on the belt.
  • a cup is arranged on the centering pin.
  • a plasma cutter with an electrical voltage of 380 V, compressed air at 5.5 bar and a speed of 2 m / min is guided along the guide. After a sheet-metal blank with a diameter of 300 mm has been cut out and removed, the cut edge is milled, the cut being essentially normal to the plane of the strip.
  • a sheet blank was then inserted with a cutting edge that is normal to the working plane, the outer dimensions of which match the cut opening, a holder made of copper being provided underneath both the sheet and the sheet blank.
  • the sheet round was also held in place by an electromagnet.
  • electrical voltage 220 V and 7 liters of argon per minute was obtained by melting the sheet and the
  • a blank weld is placed on the sheet blank, the sheet blank being tacked into the sheet before the actual welding process.
  • the welding process is carried out at a speed of 140 mm / min on one side, whereupon the guide is positioned on the other side and on again
  • Another circular blank was also welded in with a TIG welding machine, whereby the parameters listed above were adhered to and a welding wire with an identical composition to the sheet was used. The machining of the weld seam was carried out as above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Resistance Welding (AREA)

Abstract

L'invention concerne une presse pourvue d'une tôle en acier (4, 5) présentant une épaisseur (d1) pouvant aller de 1,0 mm à 3,0 mm et une profondeur de rugosité moyenne pouvant aller de 1,0 mu m à 4,0 mu m. La presse comporte également un dispositif de chauffage (13, 14) qui induit, par l'intermédiaire d'un plan de travail de la tôle (4, 5), de la chaleur dans les matières plastiques. Ladite tôle présente un cordon de soudure (17) monocouche ou multicouche, tronconique, dont la surface (20) est incluse dans une surface concave (21) qui est éloignée, perpendiculairement, du plan de travail (18) de la tôle (4, 5) d'une distance maximale pouvant aller, en particulier, de 30 mu m à 50 mu m. Une courbe de coupe de la surface du cordon de soudure (17) et des zones du plan de travail se raccordant de chaque côté est continue avec un plan perpendiculaire au plan de travail (18) de la tôle (4, 5). La surface (20) du cordon de soudure (17) se trouvant sur le côté de la tôle opposé à la face de travail se trouve dans une surface située à une distance maximale de 20 mu m du plan (19) de la tôle, et le cordon de soudure (17) présente une épaisseur minimale (d2) qui est inférieure à l'épaisseur (d1) de la tôle d'au moins 50 mu m.
PCT/AT2000/000114 1999-05-07 2000-05-03 Presse pourvue d'une tole Ceased WO2000067996A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU42749/00A AU4274900A (en) 1999-05-07 2000-05-03 Press with a steel plate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA827/99 1999-05-07
AT0082799A AT413679B (de) 1999-05-07 1999-05-07 Presse mit einem blech und ein blech aus stahl

Publications (1)

Publication Number Publication Date
WO2000067996A1 true WO2000067996A1 (fr) 2000-11-16

Family

ID=3500687

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AT2000/000114 Ceased WO2000067996A1 (fr) 1999-05-07 2000-05-03 Presse pourvue d'une tole

Country Status (3)

Country Link
AT (1) AT413679B (fr)
AU (1) AU4274900A (fr)
WO (1) WO2000067996A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1674227A3 (fr) * 2004-12-22 2006-10-25 Sacmi Cooperativa Meccanici Imola Societa' Cooperativa Dispositif de production de feuilles céramiques
CN107116313A (zh) * 2017-04-28 2017-09-01 四川玛瑞焊业发展有限公司 具有高稳固性的焊接件结构
CN116811343A (zh) * 2023-08-25 2023-09-29 湘潭新云科技有限责任公司 一种电动直驱cnc压机智能操作系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014104754A1 (de) * 2014-03-18 2015-09-24 Fritz Egger Gmbh & Co. Og Schichtstoff, Pressmittel und Verfahren zu dessen Herstellung
AT518573B1 (de) * 2016-05-13 2019-03-15 Berndorf Band Gmbh Verfahren zur Bearbeitung eines Endlosbandes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183525A (en) * 1990-05-24 1993-02-02 United Container Machinery Group, Inc. Heater for a double facing corrugating machine
DE4233159A1 (de) * 1992-10-02 1994-04-07 Bwg Bergwerk Walzwerk Vorrichtung zum Stumpfschweißen von Stoßflächen metallischer Werkstücke, insbesondere gestoßener Bandenden von Metallbändern
EP0820833A1 (fr) * 1996-07-23 1998-01-28 BERNDORF BAND GesmbH Dispositif pour découper et souder un rond dans une tÔle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2950795C2 (de) * 1979-12-17 1982-07-29 Standex International Gmbh, 4150 Krefeld Verfahren zum Herstellen einer Prägegravur auf einem durch eine Schweißnaht verbundenen metallischen Endlosband
DE3247145A1 (de) * 1982-12-21 1984-07-05 Held, Kurt, 7218 Trossingen Metallisches endlospressband mit strukturierter oberflaeche fuer doppelbandpressen
DE58902090D1 (de) * 1989-02-22 1992-09-24 Standex Int Gmbh Verfahren zur herstellung eines mit einem praegemuster versehenen metallischen endlosbandes.
DE4134976C2 (de) * 1991-10-23 1996-04-18 Hueck Eduard Gmbh Co Kg In einem Säurebad zur galvanischen Strukturgebung behandeltes, mit einer Schweißnaht versehenes Stahlband, sowie ein Verfahren zur Herstellung dieses Stahlbandes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183525A (en) * 1990-05-24 1993-02-02 United Container Machinery Group, Inc. Heater for a double facing corrugating machine
DE4233159A1 (de) * 1992-10-02 1994-04-07 Bwg Bergwerk Walzwerk Vorrichtung zum Stumpfschweißen von Stoßflächen metallischer Werkstücke, insbesondere gestoßener Bandenden von Metallbändern
EP0820833A1 (fr) * 1996-07-23 1998-01-28 BERNDORF BAND GesmbH Dispositif pour découper et souder un rond dans une tÔle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1674227A3 (fr) * 2004-12-22 2006-10-25 Sacmi Cooperativa Meccanici Imola Societa' Cooperativa Dispositif de production de feuilles céramiques
CN107116313A (zh) * 2017-04-28 2017-09-01 四川玛瑞焊业发展有限公司 具有高稳固性的焊接件结构
CN116811343A (zh) * 2023-08-25 2023-09-29 湘潭新云科技有限责任公司 一种电动直驱cnc压机智能操作系统
CN116811343B (zh) * 2023-08-25 2023-11-10 湘潭新云科技有限责任公司 一种电动直驱cnc压机智能操作系统

Also Published As

Publication number Publication date
AU4274900A (en) 2000-11-21
ATA82799A (de) 2005-09-15
AT413679B (de) 2006-05-15

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