WO2009115208A1 - Schlauchpaket - Google Patents
Schlauchpaket Download PDFInfo
- Publication number
- WO2009115208A1 WO2009115208A1 PCT/EP2009/001685 EP2009001685W WO2009115208A1 WO 2009115208 A1 WO2009115208 A1 WO 2009115208A1 EP 2009001685 W EP2009001685 W EP 2009001685W WO 2009115208 A1 WO2009115208 A1 WO 2009115208A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- current
- hose
- carrying
- aluminum
- line
- Prior art date
Links
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
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/122—Devices for guiding electrodes, e.g. guide tubes
- B23K9/123—Serving also as contacting devices supplying welding current to an electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/001—Power supply cables for the electrodes of electric-welding apparatus or electric-arc furnaces
Definitions
- the invention relates to a hose assembly of an arc welding or cutting torch with a plurality of current-carrying lines, wherein the lines comprise an aluminum wire, the current-carrying lines are accommodated in a channel, wherein the hose package has a channel for guiding a welding wire.
- Arc welding and cutting torches have long been known in the art. Such welding and cutting torches can be designed for manual or automated welding. Arc welding and cutting torches for manual use usually have a base and a handpiece, which are connected to each other via a hose package. With manual arc welding and cutting torches, it is necessary to be able to move the handpiece as freely as possible. Thus, the material must in particular have a good mechanical resistance to bending and torsion stress.
- Automated welding arc welding and cutting torches are often built like robots with a movable robotic arm that approaches the areas to be welded.
- a hose package is provided between a base and an effector. In automated welding is often in favor of the welding speeds with high accelerations of
- Robotic arm worked.
- the hoses swing freely within certain limits and are exposed to high mechanical loads.
- welding requires high power, which must be transported via power cables from the base to the handpiece. Due to the good electrical conductivity, only copper is used for power cables of arc welding and cutting torch in the prior art. A Another property of copper is the good thermal conductivity, which makes it possible to remove the heat generated by the resistance quickly. Furthermore, copper meets the requirements for mechanical properties. In the prior art, it is common practice to make the power cables as strands.
- electrical conductors can be made of all metals.
- a hose package with the features mentioned is also known from DE 15 15 145 A.
- the welding cable contains to guide the
- Welding wire a sheath made of flexible synthetic material with a perfectly smooth inner wall. This envelope is surrounded by a coiled copper wire bundle or also aluminum wires for conducting the current. The wire bundle is surrounded on the outside by a rubber layer. To strengthen the cable in terms of tensile loads, the conductor may be surrounded by a steel braid.
- DE 85 09 258 U1 discloses a welding line in which a part of the current-carrying lines made of aluminum and another part of the electrical lines made of copper.
- an inner conductor made of aluminum to which an outer conductor is stranded consisting of copper is stranded consisting of copper.
- the electrical conductors of copper currently used in hose packages have the disadvantage that the electrical conductors make up to 2/3 of the total weight of the hose package and the handle can be tedious in the long run.
- the load on the hose assemblies for automated welding also increases with the sluggish mass of the hose package.
- DE 24 09 322 A1 discloses a hollow profile of gummiartigem, flexible and optionally refractory material for receiving customary in the protective gas welding individual elements and lines, wherein the hollow profile has a plurality of individual channels.
- EP 0 076 390 A1 discloses a device for inert gas welding with a consumable wire electrode.
- a coaxially constructed hose package is provided, with a welding power line, with control lines and with a protective gas leading annular gap.
- the wire electrode is arranged in a gas-impermeable, elastic shell.
- DE 88 06 360 U1 discloses a device for connecting a burner for inert gas arc welding, with a hose assembly of power cable, inert gas line, cooling water supply line, cooling water return line and switch cable, the burner-side end of the hose package opens into a housing in which couplings for Power cable and a cooling water line with a stream-water cable of the burner and couplings for the inert gas line and the other cooling water line are arranged with associated lines of the burner, wherein in the housing and a clutch for the switch cable is housed.
- DIN EN 60228, September 2005 refers to conductors for cables and insulated cables and specifies the nominal cross-sections for conductors of cables and insulated cables for power installations. Also are requirements for the number and Dimensions of wires and the resistance values included.
- the conductors include single and multiwire copper, aluminum and aluminum alloy conductors for fixed installation and flexible copper conductors.
- the use of copper-clad aluminum wire as a current-carrying line of the hose package has the advantage that on the one hand a weight saving is achieved, but on the other hand, an occurrence of high temperatures at the transitions between the conductors and the terminals is not observed. Presumably, this is due to the fact that the inherently higher contact resistance between aluminum and the respective connection is considerably reduced due to the use of copper on the aluminum wire and thus largely maintained the electrical and mechanical properties of the electrical conductor compared to the use of conventional copper conductors to achieve a weight reduction become.
- a plurality of current-carrying lines are arranged coaxially around a central channel. This allows the combination of several functions that the hose package has to fulfill, with a smaller number of individual hoses.
- the central channel leads a cooling medium. Then the heat-emitting current-carrying line can be actively cooled simultaneously with the cooling medium.
- a channel for guiding a welding wire is provided. This allows the welding wire in one Store the base station of the welder in comparatively large quantities and the welding wire is passed through the hose package to the handpiece if necessary.
- a channel for the current-carrying line is provided. Particularly in the case of a coaxial arrangement, it may be necessary to spatially separate the individual functions which a hose has to fulfill, for example because the current-carrying line has a different potential than a welding wire possibly to be transported in the hose package.
- all channels are arranged coaxially. This allows the most efficient use of existing space and allows for more manageable smaller diameter tubing packages.
- the channel with the current-carrying lines surrounds the channel for conducting the medium and the channel for conducting the medium surrounds the channel for guiding the welding wire.
- the media channel can be used for cooling the welding wire channel and at the same time for cooling the channel with the current-carrying line.
- all current-carrying lines of each conductor are formed as copper-coated aluminum wires.
- the individual conductors can be designed in the form of individual wires, strands or the like.
- connections of the hose package can be connected to the one or more current-carrying lines by means of crimp connection.
- Wires with the copper-coated aluminum wires are connected to the connections of the hose package by means of an ultrasonic welding process.
- the outer strand of the current-carrying line of the hose package can be closed directly with a copper sleeve.
- This ultrasonic welding method can be used both with aluminum wires and with aluminum wires, which have a copper layer on the outer jacket. Furthermore, it has been shown that the strength of the terminals or the sleeves when using the ultrasonic welding process is significantly increased compared to the strength of a crimp.
- Terminals can be used on both copper sleeves and steel sleeves.
- the copper layer of the aluminum wire has a thickness of 1 to 100 ⁇ m. Due to this measure, an optimization of the copper-coated aluminum wire is guaranteed with respect to a weight saving with the lowest possible contact resistance.
- Hose packages according to the invention have the advantage that they are considerably lighter in relation to hose packages with copper pipes and thus easier to handle. Despite the increased volume of aluminum required to transfer the required volume of aluminum, the overall weight of hose packages made with aluminum strands is significantly less than the total weight of conventional hose packages.
- the hose package according to the invention overcomes a long-standing prejudice of those skilled in the art of aluminum cables due to their inferior performance Conduit properties and due to their bending and breaking behavior have not been considered for use in hose assemblies.
- the bending and torsional load of the individual wires is lower compared to a wire with a larger cross-section.
- At least one composite line which contains individual wires of copper-coated aluminum or of an aluminum-containing alloy and individual wires of copper or of a copper-containing alloy.
- the line has at least four individual strands, which are beaten around a core strand.
- Such a constructed line has a high flexibility, even with large cable cross-sections.
- each individual strand and / or the core strand consists of at least 20 individual wires. This further increases flexibility and reduces the risk of line breakage.
- the individual wires have a diameter of 0.05 mm to 0.5 mm. Particularly preferred is a diameter of 0.15 mm. With such single wire diameters, the necessary line parameters can be achieved.
- the current-carrying lines in particular the current-carrying strands, helically or spirally beaten around a central channel. Characterized in that the current-carrying lines or strands spiral or helical to the central channel, preferably outboard, run in the hose package, a distribution of the occurring bending stress of the current-carrying lines in a curvature, expansion, compression or twisting of the hose package is achieved. In particular, by the twisting of the lines or strands around the central channel, a relief of the hose package in the region of the smallest radius of curvature of the current-carrying lines or strands is brought about.
- the lay length of the strands is from 15 mm to 200 mm, with 40 mm to 60 mm being particularly preferred. Such lay lengths improve the mechanical properties of the hose package.
- At least one additional control power line is provided.
- functions of the welding device can be controlled in a simple manner by means of the handpiece.
- Medium and at least two current-carrying lines are provided.
- the combination of media line and live line brings positive effects on the efficiency of the power line.
- the provision of at least two channels with current-carrying lines, wherein the current-carrying lines can also be arranged centrally and can be flowed around directly from the medium increases the surface of the lines and thus their heat output.
- the cross-section of the lines can increase. Overall, it is thus possible to increase the transferable performance of the hose package.
- a suitable medium for the channels a polymer has been found. Polymers can meet a wide variety of requirements and have proven themselves in continuous use.
- the medium consists of a gas or a liquid.
- This can be the process gas, ie inert gas welding, the inert gas or a liquid, for example for cooling the handpiece.
- the current-carrying line at one end to a terminal which is connected by means of a crimp connection with the current-carrying line.
- crimp connections produce a permanently reliable and secure connection between the live line and the connection.
- the current-carrying line can be welded to a connection or to a ferrule by means of ultrasound. It has been shown that the copper-clad aluminum wires can not only be well connected with terminals via crimp connections, but also by ultrasonic welding. In the latter case, the connecting surfaces then result in quasi-identical materials that are generally easier to fit.
- Figure 2 shows a cross section through an alternative embodiment of a hose package according to the invention
- Figure 3 shows an embodiment according to the invention of a so-called power water cable
- Figure 4 shows a longitudinal section through an inventive power cable
- Figure 5 is a cross-section through the cable of Figure 4 along the line A-A;
- Figure 6 is a perspective view of a stranded wire.
- FIG. 1 shows a schematic representation of a hose package 1 according to the invention, as used, for example, in arc welding or cutting torches.
- the hose package 1 summarizes in the embodiment chosen here in an outer tube 2 together several individual tubes and leads them from a base, not shown, to a handpiece also not shown, the welder or from a base of an automated welding machine to an effector.
- the hose package 1 has a coolant supply hose 3, in the interior of which a coolant is required from the base to the handpiece or effector. Furthermore, a process gas hose 4 is provided, within which the process gas flows to generate a protective gas atmosphere. In addition, a wire conveying tube 5 is provided, which transports a welding wire 6 within a wire conveying spiral 7 provided in the wire conveying tube 5. Furthermore, a control line 8 is provided, by means of which control signals are transmitted from the handpiece or the effector to the base. Furthermore, a so-called power-water cable 9 is provided. Within a hose 10 of the power-water cable 9, a current-carrying line 11 is provided, which will be described in more detail below.
- a channel 12 is provided for the coolant return. This has the advantage that the coolant on the coolant return can also simultaneously cool the current-carrying line 11, which heats up considerably due to the high welding power required.
- FIG. 2 shows a further embodiment of a hose package 20 according to the invention.
- the hose package 20 shown in FIG. 2 has an essentially coaxial arrangement of the individual elements. Inside the hose package 20, a welding wire 21 is guided inside a wire feed spiral 22. Surrounding the wire feed spiral 22, a gap 23 is provided, which serves to convey the process gas. For gasinstrumenten seal a hose 24 is provided.
- the tube 24 is made of an elastic polymer.
- Current-carrying lines 25 rest on the hose 24 and control lines 26 shown in black.
- the current-carrying lines 25 have the stranded structure according to the invention, which will be explained in more detail in FIG.
- the hose package 20 is held together by an outer hose 27 surrounding all hoses.
- Outer hose 27 and hose 24 form an annular channel for the current-carrying lines 25 and the further lines between them.
- the hose package 20 may be part of a larger hose package, in which further hoses are provided for different purposes, such as coolant hoses and the like.
- the current-carrying lines 25 and 44 ( Figure 5) are helically wound around the central channel 23 or 41 ( Figure 5).
- the current-carrying lines or strands 25, 44 are arranged in the outer region of the cross section of the hose package.
- the power-water cable 9 has an outer tube 30 which is made watertight to conduct the cooling medium. Instead of water, any other fluid known from the prior art can also be used as the cooling medium. In a concentric arrangement is in the middle of the power-water cable 9, the current-carrying line eleventh
- the current-carrying line 11 is formed as a strand consisting of individual wires 32.
- the individual wires 32 of the strand 11 are made of aluminum or an aluminum alloy. Pure aluminum with purities A199 to A199.9 has proven to be particularly suitable.
- These wires 32 are coated or coated with a copper layer, which significantly reduces the contact resistance. The thickness of the layer is between 1 and 100 microns.
- the individual wires 32 have a single wire diameter of 0.1 to 0.3 mm.
- a strand are bundled in about thirty individual wires, with strands of up to 100 individual wires have been found to be suitable in terms of elastic properties.
- the cross section of such a strand is about 10 mm 2
- the known from the prior art copper strands have a cross section of, for example, 6 mm 2 .
- cross sections up to about 30 mm 2 are conceivable without further ado.
- the lay length of the strands themselves is about 60 mm, but may be between 15 mm and 200 mm, depending on the strand cross section.
- the current-carrying line 11 may comprise a plurality of strands, wherein a core strand is provided, around which the remaining strands 31 are struck.
- FIG. 4 shows a longitudinal section through a power cable 40 with a connection 35 to a base of the welding device.
- the terminal 35 has a hex nut 36 for the correct connection of the power cable 40 to the base.
- a ferrule 37 and a ferrule 38 are provided, which serve to receive the end of the line 40.
- control lines 43 are shown, which are connected by means of separate connector 39 to the base.
- the control lines 43 are led out of an outer shell 46 of the power cable 40 before the end region of the power cable 40.
- a crimped portion 41 forms from the port 35 to the opposite end of the conduit 40, which is sealed throughout.
- the region 41 may be gas-tight and / or liquid-tight.
- FIG. 5 shows a cross section through the power cable along the section line AA according to FIG. 4 of the power cable 40, which has the area 41 in the interior, which can be used to conduct either a cooling medium or a process gas.
- the inner region 41 is sealed by a hose 42.
- On the outside of the tube 42 a plurality of lines with different functions are arranged. Shown hatched tight are control lines 43 for controlling functions of the welding device. Shown hatched in light are live lines 44, which are also designed as strands.
- the areas 45 have no special function.
- the areas 45 may, for. B. filled with a filler or with plastic ropes.
- the lines 43, 44 and the areas 45 are surrounded by a hose 46.
- FIG. 6 shows a perspective view of the current-carrying line 11 from FIGS. 1 and 4.
- the individual wires 32 are wound around a core wire 47. Shown is a half blow.
- the lay length d, d. H. the running in the direction of line length over which a single wire 32 is once completely wound around the core line 47 is 60 mm. However, the lay length may vary from 20 mm to 120 mm, depending on the thickness of the pipe 11 and of the
- Such a line 11 has the advantage that it can be loaded in many ways.
- the line 11 can be twisted in both directions, curved and also stretched or compressed.
- the elasticity of such a line is substantially higher than in a line made of solid material with the same cross-section.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2700760A CA2700760A1 (en) | 2008-03-18 | 2009-03-10 | Hose assembly |
AU2009226651A AU2009226651A1 (en) | 2008-03-18 | 2009-03-10 | Hose assembly |
JP2010530494A JP2011500332A (ja) | 2008-03-18 | 2009-03-10 | ホースアセンブリー |
EP09721691A EP2158058A1 (de) | 2008-03-18 | 2009-03-10 | Schlauchpaket |
BRPI0904331-4A BRPI0904331A2 (pt) | 2008-03-18 | 2009-03-10 | Pacote de tubo flexível |
CN200980100439A CN101801582A (zh) | 2008-03-18 | 2009-03-10 | 软管组 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008014814.8 | 2008-03-18 | ||
DE200810014814 DE102008014814B4 (de) | 2008-03-18 | 2008-03-18 | Schlauchpaket |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009115208A1 true WO2009115208A1 (de) | 2009-09-24 |
Family
ID=40616803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/001685 WO2009115208A1 (de) | 2008-03-18 | 2009-03-10 | Schlauchpaket |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP2158058A1 (de) |
JP (1) | JP2011500332A (de) |
KR (1) | KR20100132481A (de) |
CN (1) | CN101801582A (de) |
AU (1) | AU2009226651A1 (de) |
BR (1) | BRPI0904331A2 (de) |
CA (1) | CA2700760A1 (de) |
DE (1) | DE102008014814B4 (de) |
WO (1) | WO2009115208A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2413671A3 (de) * | 2010-07-30 | 2014-03-19 | Cebora S.P.A. | Plasmabrenner |
DE102015218586B4 (de) * | 2014-10-02 | 2020-01-16 | Volkswagen Aktiengesellschaft | Testgerät und Testsystem |
JP6407736B2 (ja) * | 2015-01-14 | 2018-10-17 | ファナック株式会社 | 産業用ロボットに実装される複合ケーブル |
WO2018118790A1 (en) * | 2016-12-19 | 2018-06-28 | Hypertherm, Inc. | Connecting plasma arc torches and related systems and methods |
WO2019115026A1 (de) * | 2017-12-15 | 2019-06-20 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Kontaktierungsvorrichtung und gekühlter steckbverbinder |
CN110624195A (zh) * | 2019-09-29 | 2019-12-31 | 朱利 | 一种兼具气、液、电输送功能的消防水带及接头 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1515145A1 (de) * | 1963-02-20 | 1969-07-03 | Soc D Soudures Castolin S A | Schweisskabel |
DE8509258U1 (de) * | 1985-03-28 | 1992-07-30 | Wortmann, Klaus, Dipl.-Ing., 4200 Oberhausen | Koordinierte Schweißleitung |
US20050150883A1 (en) * | 2002-02-08 | 2005-07-14 | Kazuhiro Tomiyasu | Arc welding cable |
EP1611988A1 (de) * | 2004-06-30 | 2006-01-04 | Fanuc Ltd | Anwendbare Anordnung für die Brennerleistung für einen Lichtbogenschweissroboter |
US20060278621A1 (en) * | 2004-06-23 | 2006-12-14 | Matsushita Electric Industrial Co., Ltd. | Arc welding robot |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1346986A (en) * | 1970-03-16 | 1974-02-13 | British Insulated Callenders | Electric cables |
ES196414Y (es) * | 1970-03-16 | 1975-10-16 | Un dispositivo de conductor de cable. | |
US3926573A (en) * | 1970-09-18 | 1975-12-16 | Texas Instruments Inc | Composite wire and method of making |
DE2052462B2 (de) * | 1970-10-26 | 1980-09-11 | Kabel- Und Metallwerke Gutehoffnungshuette Ag, 3000 Hannover | Verfahren zur kontinuierlichen Herstellung kupferplattierter Aluminiumdrähte |
JPS4852881U (de) * | 1971-10-21 | 1973-07-09 | ||
DE2409322A1 (de) * | 1974-02-27 | 1975-09-04 | Alexander Binzel | Hohlprofil aus gummiartigem, flexiblem material |
DE3138527C2 (de) * | 1981-09-28 | 1983-11-24 | Messer Griesheim Gmbh, 6000 Frankfurt | Einrichtung zum Schutzgas-Lichtbogenschweißen mit abschmelzender Drahtelektrode |
DE8806360U1 (de) * | 1988-05-13 | 1988-07-07 | Jankus, Werner, 4600 Dortmund | Vorrichtung zum Anschluß eines Brenners, insbesondere für WIG-Schweißung |
JPH11181593A (ja) * | 1997-12-16 | 1999-07-06 | Totoku Electric Co Ltd | 銅被覆アルミニウム線の製造方法 |
JP2001076537A (ja) * | 1999-09-03 | 2001-03-23 | Hitachi Cable Ltd | 電力ケーブル用異種材質複合導体 |
JP3470795B2 (ja) * | 2000-03-24 | 2003-11-25 | 東京特殊電線株式会社 | 銅被覆アルミニウム線 |
FR2876493B1 (fr) * | 2004-10-12 | 2007-01-12 | F S P One Soc Par Actions Simp | Cable toronne en aluminium cuivre, et procede pour sa fabrication. |
-
2008
- 2008-03-18 DE DE200810014814 patent/DE102008014814B4/de not_active Withdrawn - After Issue
-
2009
- 2009-03-10 WO PCT/EP2009/001685 patent/WO2009115208A1/de active Application Filing
- 2009-03-10 JP JP2010530494A patent/JP2011500332A/ja active Pending
- 2009-03-10 CA CA2700760A patent/CA2700760A1/en not_active Abandoned
- 2009-03-10 CN CN200980100439A patent/CN101801582A/zh active Pending
- 2009-03-10 AU AU2009226651A patent/AU2009226651A1/en not_active Abandoned
- 2009-03-10 BR BRPI0904331-4A patent/BRPI0904331A2/pt not_active IP Right Cessation
- 2009-03-10 KR KR1020107007891A patent/KR20100132481A/ko not_active Application Discontinuation
- 2009-03-10 EP EP09721691A patent/EP2158058A1/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1515145A1 (de) * | 1963-02-20 | 1969-07-03 | Soc D Soudures Castolin S A | Schweisskabel |
DE8509258U1 (de) * | 1985-03-28 | 1992-07-30 | Wortmann, Klaus, Dipl.-Ing., 4200 Oberhausen | Koordinierte Schweißleitung |
US20050150883A1 (en) * | 2002-02-08 | 2005-07-14 | Kazuhiro Tomiyasu | Arc welding cable |
US20060278621A1 (en) * | 2004-06-23 | 2006-12-14 | Matsushita Electric Industrial Co., Ltd. | Arc welding robot |
EP1611988A1 (de) * | 2004-06-30 | 2006-01-04 | Fanuc Ltd | Anwendbare Anordnung für die Brennerleistung für einen Lichtbogenschweissroboter |
Also Published As
Publication number | Publication date |
---|---|
CN101801582A (zh) | 2010-08-11 |
AU2009226651A1 (en) | 2009-09-24 |
BRPI0904331A2 (pt) | 2015-06-30 |
KR20100132481A (ko) | 2010-12-17 |
JP2011500332A (ja) | 2011-01-06 |
EP2158058A1 (de) | 2010-03-03 |
DE102008014814B4 (de) | 2010-07-08 |
DE102008014814A1 (de) | 2009-09-24 |
CA2700760A1 (en) | 2009-09-24 |
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