Classifications

• • 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
  • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
  • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
  • B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
  • B23K35/0261—Rods, electrodes, wires
  • B23K35/0277—Rods, electrodes, wires of non-circular cross-section
• • 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
  • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
  • B23K35/40—Making wire or rods for soldering or welding
  • B23K35/406—Filled tubular wire or rods
• • 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
  • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
  • B23K35/40—Making wire or rods for soldering or welding
  • B23K35/406—Filled tubular wire or rods
  • B23K2035/408—Filled tubular wire or rods with welded longitudinal seam

Definitions

• the invention relates to a method for the continuous production of a filler tape electrode for joining and deposit welding as well as for inoculation and modification purposes in metallurgical process engineering, in which the filler tape electrode made from at least one metal strip is shaped as a flat metal tube consisting of two interconnected side walls and a cavity formed between the side walls is charged with a filling material consisting of metallic and / or mineral granulate components, and a filling band electrode produced by the method.
• filler tape electrodes that have a filling of metallic and / or mineral components in a batch process.
• a metallic tape is assumed, which is shaped into a tube and attached to it Longitudinal edges are welded.
• Granules made of metallic and / or mineral components are provided as the filling in the interior of this tube.
• the tube is subjected to a vibrating operation for the filling and compression of the granules, in which the filling is compressed.
• compaction is complete, the pipe is rolled into a strip in a stretch-reducing operation, with the filling inside.
• the invention comes in, which is based on the object of designing a method of the type described at the outset in such a way that a filler tape electrode can be produced in any length in a continuous manufacturing process and the production capacity can thereby be increased. Furthermore, the rolling power required for deforming the starting material should be reduced by the method according to the invention.
• This object is achieved according to the invention in that the band or at least one band is shaped in a channel shape, the filling material is introduced into the channel-shaped band, closed and welded or folded, whereupon the tube formed in this way while simultaneously compressing the filling material to the Final shape of the filler tape electrode is deformed.
• the deformation into the final shape is expediently achieved by rolling or by rolling with subsequent stretch-reducing rollers.
• the invention further comprises a filling band electrode, which enables an optimal application of the method.
• a filling band electrode which enables an optimal application of the method.
• the side walls consist of at least one band, the longitudinal edges of which are bent together and welded, butted or folded.
• the cored wire is produced as a powder-filled tube from a metallic strip, the strip first being used to form a channel into which the powder is introduced, whereupon the channel is deformed and welded into a tube. After welding, the welding bead formed by welding on the pipe is leveled and the pipe is calibrated before it is pulled onto the pipe. Final diameter is reduced.
• this method is not suitable for the production of filling tapes, since a circular wire cross-section is required for the pulling operation. But also if a stretch reduction operation is planned after welding. this requires a circular wire cross-section for the compaction of the filling.
• 1 is a schematic representation of a continuous production of filling tape electrodes
• FIG. 2 shows a schematic representation of the cross sections of the metallic strip used in the production of filler tape electrodes.
• Fig. 3-9 is a summary schematic representation of various methods for producing filler tape electrodes, wherein
• FIG. 3 shows a schematic representation of a system for producing filling tape electrodes from a metal tape using the known discontinuous method mentioned at the beginning
• FIG. 4 shows a schematic illustration of a system for the continuous production of filling tape electrodes, in which a trough-shaped tape, filled with filling material, is welded, oval-shaped and shaped to form a filling tape. electrode is rolled in the stretch reduction process,
• FIG. 5 shows a schematic illustration of a system for the continuous production of filling tape electrodes similar to that in FIG. 4, but only with butted tape edges,
• FIG. 6 shows a schematic representation of a system for the continuous production of filler tape electrodes from two strips, which are shaped, filled, welded in a channel shape and rolled into the filler tape electrode in the stretch-reducing process
• FIG. 7 shows a schematic representation of a system for the continuous production of filling tape electrodes similar to that in FIG. 6, the tape edges being connected to one another by welding instead of welding,
• FIG. 8 shows a schematic representation of a system for producing filling tape electrodes from a tape, in which the channel deformed and filled tape is welded on one side to
• FIG. 9 shows a schematic representation of a system for the continuous production of filling tape electrodes from a tape similar to that in FIG. 8, the tape edges being folded instead of welding,
• Fig. 10 is a schematic representation of a
• FIG. 11 shows a section of a further tube, formed and folded from two strips, for producing a filler strip electrode with a system according to FIG. 7 before rolling.
• 1 denotes a role of the tape used as the starting material for the manufacture of the filler tape electrode.
• the belt 2 first passes through a station 3 for smoothing the belt edges.
• a subsequent forming station 4 the strip is preformed in a trough shape.
• several, for example four to six, sub-stations 5 are used.
• the powder filling is introduced into the now pre-shaped band 2.
• the powder filling can be composed of various components of metallic or mineral type in any mixture.
• the Powder filling can also be introduced separately, for example with two or more dosing scales.
• a closing station 7 which consists of several, e.g. two to four substations 8 can exist.
• the preformed trough-shaped band 2 is deformed into a closed cross section and can now be welded to the longitudinal edges that meet, for which purpose a welding station 9 is provided.
• Various welding methods can be used in the welding station 9, e.g. High frequency welding, roller seam welding, TIG or laser welding.
• the now welded tube 10 is deformed flat in a deformation station 11 until the powder filling is compacted.
• This deformation operation is essential, since there is practically no reduction in the cross section, but rather the powder filling is compacted.
• the strip deformed in the forming station 11 is rolled in a stretch-reducing mill 12, whereupon annealing is carried out in a continuous station 13, for example with a medium-frequency annealing.
• the finished rolling is then carried out in a stretch-reduction rolling mill 14.
• FIG. 2 shows two examples of how the filling tape electrode 17 can be produced from the output tape 2.
• a circular groove is first made and then a circular tube and welded lengthways. Then the deformation takes place without substantial cross-sectional reduction in the deformation station 11 and then the stretch reduction in the stations 12 and 14. Details of the manufacture of the circular tube can be found in the aforementioned EP-A-158 693.
• the production of an oval groove from the output band 2 is shown. This channel is then welded after the powder filling has been introduced, so that an oval-shaped tube is formed. However, this is initially only formed into a band with simultaneous compression of the powder filling, which is only followed by the stretch-reducing operation.
• FIGS. 3 to 9 show a number of plants for the production of filling tape electrodes 17, the plant according to FIG. 3 serving for the production of filling tape electrodes 17 in discontinuous operation, as mentioned at the beginning.
• the reference numbers not described in FIGS. 3-9 correspond to those in FIGS. 1 and 2.
• the band 2 is first closed in a forming and closing station 20 and welded in a welding station 9 to a tube of a certain length.
• the empty pipe is in a middle station filled and shaken the filling material until it is in a tight packing in the tube.
• This tube is rolled out to the desired electrode size in a stretch-reducing mill 22, with a pulling operation possibly being necessary.
• the annealing station 13 is used in the same way as the annealing station in the system according to FIG. 1.
• the various stages of deformation starting from the hollow tube up to the finished filling band electrode 17 are shown.
• the system according to FIG. 4 essentially corresponds to the system according to FIG. 1.
• the system according to FIG. 4 can be operated continuously.
• the band 2 is prepared for welding.
• the deformed and reduced station 24 is used to deform the filled tube until the filling material is compressed and then to reduce the stretch to give the filling band electrode 17.
• the development of the filling band electrode 17 is shown in different stages in FIG. 4.
• the band 2 is formed in a for - dosing and edge jointing station 25 and collided with the edges.
• the deformation to the end product then takes place in the deformation and reduction station 24, with annealing being provided in an annealing furnace 26.
• the deformation in the various stages is similar to that in the system according to FIG. 4.
• the filling tape electrode is produced from two tapes.
• the two belts 2 ', 2' 1 are shaped in a channel shape, the belt 2 '' being shaped in a shaping and metering station 28 and with the Filling material is dosed.
• This is followed by the merging of the two strips 2 *, 2 ", which are given their final shape in a further forming station 31, and, see FIG. 6, the welding together in the welding station 9, for example by means of a
• the filling band electrode 17 is produced in the same way from two bands 2 ', 2' 'as in the system according to FIG. 6, the edges being folded instead of being welded.
• furnace annealing is provided.
• it can also be annealed continuously.
• Fig. 8 and 9 is a system for producing the filling tape electrode 17 made of a tape.
• the systems according to FIGS. 8 and 9 have the same stations as the systems according to FIGS. 4 and 5. The difference is that the band 2 is first V-shaped and after dosing is welded or folded into an oval, upright tube. This oval tube is rotated through 90 ° and rolled in this position in the shaping and reducing station 24 to form the end product.
• * in the plants according to FIGS. 6 and 7 there is no reduction in the stretch of the closed, welded or folded pipe.
• the tapes are already deformed in the final wall thickness, for example 0.3 mm, so that the finished filling tape electrode 17 together with the filling has a thickness of approximately 1.0 mm.
• FIG. 10 shows that only the lower band 2 * 'has to be shaped like a groove by taking up the filling material 29.
• a gap 30 is left free.
• the gap 30 disappears because of the stretching of the lower band 2 ′′.
• both bands 2 ', 2' 1 are formed in a channel shape, the folding is carried out in the same way as in Fig. 11 with the upper band 2 '.
• the final shape of the Medband ⁇ electrode 17 is shown in dashed lines.
• the systems described - with the exception of the system according to FIG. 3 - can produce filler tape electrodes 17 in continuous production, as is already known for filler wire electrodes. This means that the same capacity can be achieved as with systems for the production of cored wire electrodes. It is essential compared to the known method according to FIG. 3 that strips with a much smaller strip thickness - less than 1.0 mm - can be used as the starting strip, whereby the required rolling capacity can be reduced accordingly.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Battery Electrode And Active Subsutance (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=4294115

Family Applications (1)

Country Status (6)

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Family Cites Families (7)

• 1985
  • 1985-12-20 CH CH546885A patent/CH669547A5/de not_active IP Right Cessation
• 1986
  • 1986-12-15 WO PCT/CH1986/000176 patent/WO1987003833A1/de not_active Application Discontinuation
  • 1986-12-15 AU AU67268/87A patent/AU6726887A/en not_active Abandoned
  • 1986-12-15 JP JP62500034A patent/JPS63502014A/ja active Pending
  • 1986-12-15 EP EP19870900037 patent/EP0250491A1/de not_active Withdrawn
  • 1986-12-19 ES ES8603516A patent/ES2003185A6/es not_active Expired

Non-Patent Citations (1)

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