EP1092224A1 - Procede et dispositif de fabrication de faisceaux de cables plats - Google Patents
Procede et dispositif de fabrication de faisceaux de cables platsInfo
- Publication number
- EP1092224A1 EP1092224A1 EP99931188A EP99931188A EP1092224A1 EP 1092224 A1 EP1092224 A1 EP 1092224A1 EP 99931188 A EP99931188 A EP 99931188A EP 99931188 A EP99931188 A EP 99931188A EP 1092224 A1 EP1092224 A1 EP 1092224A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tracks
- cables
- flat
- conductive
- cable
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
- H01B13/01254—Flat-harness manufacturing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
Definitions
- the present invention relates to a method and a device for manufacturing plies of flat cables, electrically conductive and bundles made from these cables.
- the invention also relates to the flat cables themselves. More particularly, these plies are intended to equip a motor vehicle.
- the object of the present invention is to define an economical process for manufacturing plies of flat cables of great length and a device implementing this process.
- the present invention relates to a method of manufacturing flat electrically conductive cable layers, said cables being constituted by tracks of conductive material separated from each other and trapped between two layers of non-conductive material, said method being characterized in that it comprises the following steps: - cutting a flat sheet of conductive material into a plurality of tracks,
- the present invention also relates to a device implementing this method.
- no part of conductive metal is wasted during the manufacture of flat cables.
- the conductive metal sheet (traditionally delivered in great length in the form of a roll) is cut into as many tracks of determined width as necessary. These different tracks are then sandwiched between two sheets of non-conductive material and the assembly is secured. This results in a set of conductive tracks separated from each other by a non-conductive material. No part of the metal has been wasted.
- the present invention aims to define a method and a device for producing beams, from these flat cables.
- the aim of the present invention is to define a method and an automatic device for producing cable bundles to avoid assembly errors and to rationalize the production of such bundles.
- the present invention relates to a method of manufacturing flat cable bundles, characterized in that it consists in:
- each set of tracks so as to automatically produce a predetermined bundle of flat cables.
- the device making it possible to manufacture the cable ply uses the relative rigidity of this ply to make cuts, pre-folding and crimping of the conductive tracks, so that at the end of the production chain, a bundle of flat cables ready to be mounted on a motor vehicle, and already fitted with the appropriate connectors.
- This is an important advantage compared to the round cables which must be set up manually (in any case as regards the crimping operation of the connectors, major drawback of this type of manufacturing).
- the present invention also relates to very long flat cables.
- the metal used to make the conductive tracks can be of any type: copper, aluminum, etc.
- FIG. 1 is a schematic view, in cross section, of a sheet 10 of flat cables,
- FIG. 2 is a top view showing the step of cutting a metal sheet 14a and distributing the cut metal strips
- FIG. 3 is a schematic view showing a device for manufacturing flat cable ply
- FIGS. 4 and 5 are schematic views of a bundle of flat cables, and respectively show a general view and a view of detail D in FIG. 4,
- FIG. 6a is a schematic view showing a device for manufacturing bundles of flat cables
- a sheet 10 of flat cables 11 consists of a plurality of flat cables 11 inserted between two sheets of non-conductive material 12 (for example polyester).
- non-conductive material 12 for example polyester
- flat cables is preferably a metal.
- copper is used for this purpose, but aluminum can also be used.
- aluminum has a density about one third lower than copper. Its conductivity is around 60% of that of copper, its price per kilogram being otherwise equal. Consequently, the fact of using aluminum instead of copper leads to a gain in weight and cost of the order of 50%, with equal conductivity.
- a sheet 10 of flat cables is therefore in the form of a flexible plastic sheath (constituted by the two sheets of non-conductive material) containing a plurality of flat cables (in general 25).
- the sheet thus produced has a great length (several tens of meters) and a very small thickness.
- This sheet is stored on an appropriate roller 13 ( Figure 3).
- the conductive material for example copper or aluminum
- the conductive material is in the form of a roll 14 constituted by a metal sheet 14a.
- this roller 14 ( Figure 3) is placed in a suitable support (not shown) and is rotated so as to cause the unwinding of the metal sheet which composes it.
- This metal sheet 14a is driven to the right (in FIG. 3) and is deployed on a cutting table 15.
- This cutting table is provided with a cutting unit 16 made up of a plurality of blades 17 (FIG. 2 ). Each of these blades is adapted to cut the metal sheet over its entire thickness during the movement of this sheet to the right.
- a cover (not shown) is associated with this cutting unit in order to make cuts safely and cleanly.
- the cutting unit 16 is constituted by a table movable parallel to the plane of the cable ply and provided with a plurality of cutting blades 17 movable along an axis (Z) perpendicular to the plane of this ply.
- the blades 17 are spaced apart from the conductive metal tracks of the flat cable ply.
- each strip has the same width. However, for specific needs, the width of these bands may be different.
- the plurality of cut strips continues its path to the right ( Figure 3) while being supported by the table top 15.
- the resulting ply 10 thus consists of a plurality of flat tracks 11, electrically conductive and regularly spaced, sandwiched between two flexible polyester sheets 12. This ply is stored on a ply storage roller 13. The ply thus produced is of thin and long.
- the present invention also relates to a method and a device for producing bundles from such plies 10 of flat cables.
- a bundle of cables 23 is produced by the assembly of a set of cables. Each end of these cables is provided with a suitable connector 24, 25. Thus, a part of these cables follows a common main path (p) and on either side of this common path, specific subsets (s) of cables detach and end with a connector 24 intended to be connected to specific devices.
- a strand of cables is thus produced and the cable sub-assemblies ensure, for example, the control of flashing lights, rear lights, window regulators, etc. II It is already known to manufacture such bundles using cables of round section. This manufacturing is carried out manually by operators. This causes numerous assembly errors given the complexity of the cable routing to be carried out. Indeed, such strands of cables can, for very standard automobiles, measure 10 m in length, gather up to 80 wires and weigh 6 kg.
- flat cables or conductive tracks are used so as to reduce the weight of the cable bundle. Indeed, to pass the same current intensity, a flat cable requires a smaller section and therefore less weight than a round cable.
- the object of the present invention is to use the ribbon of flat cables produced according to the method described above for manufacturing a bundle of flat cables.
- a bundle of flat cables to be produced is presented in detail in FIG. 5. It consists of seven conductive tracks distributed in a group of three tracks and in two groups of two tracks. Each group of conductive tracks is connected to an appropriate connector 24 and distributed in a specific direction. A common connector 25 is provided at one end of the ply 10.
- the roll 13 for storing the ribbon cable ribbon is placed in a suitable support (not shown) and is rotated in the direction shown to unwind the ribbon ribbon cable 10 on a folding table 26.
- a crimping device 27 movable to the left and the right crimps the common connector 25. This connector is driven to the left over a length corresponding to that of the bundle to be produced.
- a cutting device 28 cuts the sheet of flat cables.
- the length of the sheet deployed on the folding table is measured by a device of measuring rollers 34.
- a separation device 29 (better visible in FIG. 6b) separates the sets of tracks to be grouped together to form a specific branch (es) of the cable bundle.
- this separation device produces for the bundle 23 (shown in FIG. 5) cutouts 30 as materialized by the dotted lines in FIG. 6c.
- this device 29 is provided with a plurality of blades displaceable in height. Only the blades necessary to make the cuts are moved upward to cut the ribbon of flat cables 21. The other blades remain in the low position.
- This cutting device is fully automated, the movement of each of the blades being programmable. Once each set of tracks (s) determined cut, a marking device marks with a fold 31 all the tracks of a branch (s) at its separation from the main beam (p).
- the marking of this fold is carried out using an appropriate marking head 32.
- This head is mounted in the marking device 33.
- This device thus has a number of heads 32 respectively adapted to form a fold on one, two, three, ... n tracks. These heads can be moved in the Y and Z directions. The entire marking device 33 can be moved in the X direction.
- the cable bundle 23 is now cut, pre-folded and crimped at one of its ends.
- the second end of the tracks is then crimped into connectors 24 common to a set of tracks; and this for each set of tracks s, using a crimping device 34.
- each set of tracks is folded according to the fold marked 31. This folding directs each set of tracks s in an appropriate direction.
- the cable harness is thus fully produced. It is ready to be mounted on a vehicle.
- the entire manufacturing of the cable harness is thus automated (including crimping), which makes it possible to obtain a harness free of wiring errors.
- this bundle is lighter than an equivalent bundle made of round cables and has an extremely reduced thickness. This allows for example to line the interior of a vehicle without producing unsightly bulges.
- the present invention therefore makes it possible to produce a bundle of flat cables, lighter, less bulky, less expensive, more economical and entirely automatically.
- the present invention also relates to sheets of very long flat cables, made of conductive metal (copper, aluminum, etc.), whatever their method of manufacture.
- the present invention is not limited to the embodiment described above and encompasses any variant within the reach of ordinary skill in the art.
- the width and the pitch of the tracks can vary from the values indicated in the description above.
- this width and this pitch can vary inside the same sheet of flat cables.
- the material constituting each of the tracks may be different from one track to another, for the same sheet (copper, aluminum, etc.).
- the flat cable plies according to the present invention allow tracks of smaller dimensions to be used, when these tracks are supplied with 42 V, than when round cable is used.
- the present invention allows switching to 42 V wiring without increasing the weight and cost of wiring.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9808336A FR2780545B1 (fr) | 1998-06-30 | 1998-06-30 | Procede et dispositif de fabrication de faisceaux de cables plats |
FR9808336 | 1998-06-30 | ||
FR9812332A FR2783669B1 (fr) | 1998-09-30 | 1998-09-30 | Procede et dispositif de fabrication de faisceaux de cables plats |
FR9812332 | 1998-09-30 | ||
PCT/EP1999/004435 WO2000000990A1 (fr) | 1998-06-30 | 1999-06-25 | Procede et dispositif de fabrication de faisceaux de cables plats |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1092224A1 true EP1092224A1 (fr) | 2001-04-18 |
EP1092224B1 EP1092224B1 (fr) | 2009-12-23 |
Family
ID=26234414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99931188A Expired - Lifetime EP1092224B1 (fr) | 1998-06-30 | 1999-06-25 | Procede et dispositif de fabrication de faisceaux de cables plats |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1092224B1 (fr) |
JP (1) | JP2002519831A (fr) |
DE (1) | DE69941842D1 (fr) |
ES (1) | ES2338500T3 (fr) |
WO (1) | WO2000000990A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005011775A (ja) * | 2003-06-23 | 2005-01-13 | Furukawa Electric Co Ltd:The | アルミニウムフラットケーブル |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4065199A (en) * | 1977-02-11 | 1977-12-27 | Methode Electronics, Inc. | Flat cable wiring harness and method of producing same |
CA2145608C (fr) * | 1994-03-29 | 2000-06-20 | Kazuya Akashi | Faisceau de cables et methode de fabrication connexe |
-
1999
- 1999-06-25 DE DE69941842T patent/DE69941842D1/de not_active Expired - Lifetime
- 1999-06-25 WO PCT/EP1999/004435 patent/WO2000000990A1/fr active Application Filing
- 1999-06-25 JP JP2000557483A patent/JP2002519831A/ja active Pending
- 1999-06-25 ES ES99931188T patent/ES2338500T3/es not_active Expired - Lifetime
- 1999-06-25 EP EP99931188A patent/EP1092224B1/fr not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0000990A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2000000990A1 (fr) | 2000-01-06 |
DE69941842D1 (de) | 2010-02-04 |
JP2002519831A (ja) | 2002-07-02 |
ES2338500T3 (es) | 2010-05-07 |
EP1092224B1 (fr) | 2009-12-23 |
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