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EP1771923B1 - Werkzeug und verfahren zum krimpen eines kontakts auf ein kabel - Google Patents

Werkzeug und verfahren zum krimpen eines kontakts auf ein kabel Download PDF

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Publication number
EP1771923B1
EP1771923B1 EP05774334.6A EP05774334A EP1771923B1 EP 1771923 B1 EP1771923 B1 EP 1771923B1 EP 05774334 A EP05774334 A EP 05774334A EP 1771923 B1 EP1771923 B1 EP 1771923B1
Authority
EP
European Patent Office
Prior art keywords
crimping
contact
jaws
jaw
tier
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.)
Not-in-force
Application number
EP05774334.6A
Other languages
English (en)
French (fr)
Other versions
EP1771923A1 (de
Inventor
Thierry Cassar
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.)
Airbus Operations SAS
Connecteurs Electriques Deutsch SAS
Original Assignee
Airbus Operations SAS
Connecteurs Electriques Deutsch SAS
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 Airbus Operations SAS, Connecteurs Electriques Deutsch SAS filed Critical Airbus Operations SAS
Publication of EP1771923A1 publication Critical patent/EP1771923A1/de
Application granted granted Critical
Publication of EP1771923B1 publication Critical patent/EP1771923B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R43/042—Hand tools for crimping
    • H01R43/0424—Hand tools for crimping with more than two radially actuated mandrels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49181—Assembling terminal to elongated conductor by deforming
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49181—Assembling terminal to elongated conductor by deforming
    • Y10T29/49183—Assembling terminal to elongated conductor by deforming of ferrule about conductor and terminal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49181—Assembling terminal to elongated conductor by deforming
    • Y10T29/49185—Assembling terminal to elongated conductor by deforming of terminal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor
    • Y10T29/53222—Means comprising hand-manipulatable implement
    • Y10T29/53226—Fastening by deformation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor
    • Y10T29/53235—Means to fasten by deformation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/53257—Means comprising hand-manipulatable implement

Definitions

  • the invention relates to a tool crimping a contact on the end of an electric cable. It also relates to a method of crimping a contact on the end of an electric cable.
  • Licences FR2.686.459 , FR2.708.150 and FR2.710.788 relate to methods of connecting a cable to a contact and a crimping tool of such a contact suitable for aluminum cables.
  • they require the use of contacts having a partially frustoconical outer surface and are therefore not suitable for contacts of cylindrical outer shape at least in the parts to be crimped.
  • Licences FR1.240.942 and US2.985.047 are relative to a tool allowing, in one embodiment, to crimp a contact both on the conductive core of the cable and on a non-stripped portion of its insulating sheath.
  • This tool comprises articulated jaw blades forming two stages operated simultaneously, one ensuring crimping of the contact on the conductive core and the other ensuring crimping of the contact on the insulating sheath.
  • the part of the contact crimped on the insulating sheath has a section whose perimeter comprises three flat faces arranged substantially in a triangle, interconnected by concave portions.
  • this section is not suitable for connector contacts used in particular in aeronautics because the tools for insertion and extraction of said contacts in these connectors require that the section of the contacts crimped on the insulating sheath is substantially elliptical and preferably circular .
  • the best airtightness of the crimping of the contact on the insulating sheath is still obtained with a section of the contacts crimped on the substantially elliptical and preferably circular insulating sheath.
  • crimping said contact on the conductive core should preferably have a section with concave portions distributed over its perimeter in order to obtain good mechanical tensile strength characteristics and good electrical connection characteristics.
  • the patent US3.713.322 is relative to a tool for crimping a contact in a substantially circular section.
  • this tool does not allows only one crimping at a time and is therefore not suitable for crimping a connector contact on an aluminum cable.
  • Patent applications US2004 / 072378 and WO2004 / 021523 (considered to be the closest state of the art) describe a tool having two crimping stages and making it possible to crimp a contact both on the conductive core of the cable and on the insulating sheath of this cable, substantially simultaneously.
  • a tool requires significant effort on the clamping handles. These efforts are all the more important as the diameter of the cable is high. They are particularly troublesome when returning the tool to the rest position at the end of crimping. In addition, such forces can cause rapid wear of some parts of the tool.
  • this tool is designed so that during a displacement of the cam relative to the crimping elements, in a first direction corresponding to a crimping, said rotary element occupies a first position with respect to said crimping element, wherein said distance is maximum, and upon displacement of the cam relative to the crimping elements, in a second direction, inverse of the first direction, said rotary member occupies a second position with respect to said crimping member, wherein said distance is minimal.
  • said second stage comprises means capable of crimping a substantially elliptical section.
  • the crimping elements of the first and / or second stages are jaws able to be moved radially to the crimp contact during crimping.
  • said cam is rotatably mounted around a jaw support, said cam having a track which cooperates with ends of the jaws to move them radially. to the crimp contact, during crimping, these jaws being slidably mounted in grooves of the jaw support.
  • This tool thus serves to crimp the contact simultaneously on the conductive core of the cable and on the insulating sheath, the crimping on the insulating sheath having a substantially elliptical or circular section, which allows both a good airtightness and thus a protection against the oxidation of the crimping on the conductive core, as well as a compatibility with the tools of insetion and / or extraction of the contact in the connectors used in particular in aeronautics.
  • At least one rotary element is disposed between at least one jaw end and said track, this rotating element being able to occupy at least two positions with respect to the jaw end considered, such that when this rotary element is in contact both with this end of jaws and with said track, the distance between on the one hand said track and on the other hand another end of the jaw able to touch said contact to crimp is different in said at least two positions.
  • the crimping tool is designed so that during a rotation of the cam around the jaw support in a first direction corresponding to a crimping, said rotary member occupies a first position relative to at said jaw end, wherein said distal is at a maximum, and upon rotation of the cam about the jaw support in a second direction, inverse of the first direction, said rotational member occupies a second position with respect to said end of jaws, wherein said distance is minimal.
  • said rotary element is a substantially spherical ball.
  • said rotary element is a substantially cylindrical roller.
  • said roller is mounted integral with an axis of rotation coaxial with said roller and whose ends can slide in slides secured to said jaw end.
  • said track of the cam comprises a notch at each position of said track facing each jaw which is associated with a rotary member when said cam is at the end of stroke relative to the jaw support, during crimping.
  • These notches facilitate the passage of said rotary members from said first position to said second position at the end of crimping, in order to reduce friction on the track of the cam when the crimping tool returns to its rest position.
  • said track has a shape adapted to allow centrifugal radial movement of the jaws at the end of crimping so as to release these jaws of said contact.
  • the jaw supports are integral with a first handle and the cams are integral with a second handle, said first handle and second handle being common to the first stage and the second stage.
  • This embodiment of the second stage makes it possible to crimp the contact on the insulating sheath of the cable in a substantially oval or circular crimping section which makes it possible to respect the required characteristics. concerning the airtightness and the possibility of using the aforementioned tools for inserting and extracting the contacts in the connectors.
  • said first stage comprises means capable of producing a crimping whose section has concave parts on its perimeter. This makes it possible to obtain a crimping of the contact on the conductive core of the cable having satisfactory characteristics of mechanical tensile strength as well as of electrical connection between the conductive core of the cable and this contact.
  • This embodiment of the first stage therefore serves to crimp the contact on the conductive core of the cable by obtaining the required characteristics of electrical connection and mechanical tensile strength.
  • the invention is however not limited to first and second crimping stages comprising jaws moving radially to the crimp contact.
  • the figure 3 represents a crimping tool 1 according to the invention, comprising a first stage and a second stage.
  • the first floor comprises a jaw support 10 of cylindrical shape.
  • a ring-shaped cam 12 is rotatably mounted around said jaw support 10.
  • the inner face of this ring forms a track 16.
  • the jaw support 10 has grooves 14 radial to the axis of said cylindrical jaw support and each adapted to receive a jaw 18, as shown figure 4 .
  • This jaw can slide in the groove 14 corresponding.
  • the second stage comprises a jaw support 20 of cylindrical shape.
  • a ring-shaped cam 22 is rotatably mounted around said jaw support 20.
  • the inner face of this ring forms a track 26.
  • the jaw support 20 has grooves 24 radial to the axis of said cylindrical jaw support and each adapted to receive a jaw 28, as shown figure 4 . This jaw can slide in the groove 24 corresponding.
  • the first stage and the second stage are mounted superimposed so that the axes of rotation of the two cams 12 and 22 coincide with each other and with the axes of the jaw supports 10 and 20 of cylindrical shape.
  • the jaw supports 10 and 20 are mounted integral with a first handle 4.
  • the cams 12 and 22 are preferably of cylindrical outer shape and are mounted integral with a second handle 2 of the crimping tool 1. These two handles 2 and 4 cooperate together to ensure the rotational guidance of the cams 12 and 22 around the jaw supports 10 and 20.
  • a coaxial hole 6 of said axes of rotation is provided in the jaw supports 10 and 20 as well as in the handles 2 and 4 to allow insertion of the crimp contact between the jaws 18, 28 of the first and second stages.
  • first stage and the second stage are shown with substantially identical dimensions. However, this representation must not be interpreted in a limiting manner, said first stage and second stage may each have different dimensions.
  • the crimping tool 1 is shown in flat exploded view on the figure 1 .
  • the cam 12 of the first stage is shown integral with the second handle 2.
  • the cam 22 of the second stage is not shown.
  • the jaw support 10 of the first stage is in turn shown integral with the first handle 4.
  • the jaw support 20 of the second stage also secured to said first handle, is not shown.
  • the jaw support 10 of the first stage is represented in more detail on the figure 2 . It comprises grooves 14 radial to its axis and therefore also radial to the axis of the crimp contact when it is inserted into the hole 6 of the crimping tool.
  • said jaw support has four grooves 14; these are arranged two by two diametrically opposite with respect to the axis of the jaw support and two adjacent grooves are offset from each other by an angle substantially equal to 90 degrees.
  • Each of said grooves receives a jaw 18 able to slide in this groove. For clarity of the figure, only one of said jaws is shown.
  • the jaw support 10 of the first stage, equipped with four jaws 18, is shown surrounded by the cam 12 in the rest position.
  • the track 16 of this cam is shaped so as to cooperate with ends of the jaws 18 to allow a displacement of said jaws radially to the axis of rotation of the jaw support 10, towards this axis of rotation, when said cam rotates around of the jaw support, in the direction of arrow F, during crimping.
  • the ends of the jaws 18, opposite said ends of said jaws co-operating with the track 16 are thus displaced in the hole 6 to crimp the contact.
  • the ends of the jaws 18 cooperating with the track 16 are bevelled and a rotatable member 30 is disposed between each beveled end and the track 16.
  • the rotary elements 30 are not shown on the Figures 5, 6 and 7 for the clarity of said figures.
  • the beveled end of a jaw 18 is formed so that the distance between this jaw and said track is maximum at the rear of said jaw and minimum at the front, the notions of front and rear being considered relative to the direction of movement, indicated by the arrow F, of the cam 12 (and therefore of the track 16) relative to the jaw support 10 (and thus the jaw 18) during crimping.
  • this rotary element is then placed in a first position shown in solid lines on the figure 8 and located at the front of the jaw 18.
  • the cam 12 is moved in the opposite direction to the crimping direction indicated by the arrow F.
  • this rotating element Under the effect of forces of friction of the rotary member 30 on the track 16, this rotating element is then placed in a second position shown in dashed line on the figure 8 and located at the front of the jaw 18 during said return to the idle state; this second position is therefore located at the rear of the jaw 18 when considering a displacement of the cam 12 (and therefore the track 16) relative to the jaw support 10 (and thus the jaw 18) in the direction of the arrow F during crimping.
  • the distance between the track 16 and the end of the jaw 18 able to touch the crimp contact is maximum during crimping and minimum when returning to the rest position.
  • Said rotary element may in particular be a substantially spherical ball or preferably a substantially cylindrical roll.
  • this roll may be mounted integral with an axis of rotation whose ends are slidable in slides provided at the end of the jaw in question, the orientation of said slides: substantially corresponding to the aforementioned beveled shape of the end of the jaw 18.
  • the track 16 has notches 32 at positions of said track facing each of the jaws 18 when the cam 12 is end of stroke relative to the jaw support 10, during crimping.
  • Each of said slots 32 may for example correspond to a groove, substantially perpendicular to the plane of the figure 9a , practiced in said track 16; without departing from the scope of the invention, it may also correspond to a blind hole in the track 16. This is very advantageous because, at the end of crimping, the rotating element 30 is no longer in contact with the track 16 because of the presence of said notch.
  • the rotary member 30 is more subject to frictional forces against this track 16 and it can easily move from said first position (corresponding to crimping) to said second position (corresponding to the return of the crimping tool in the rest position).
  • the depth of this notch 32 in the track 16 is preferably determined taking into account the elastic deformation of the crimp contact: this depth is at least equal to the displacement of the jaw 18 under the effect of the elastic deformation of said contact, in the end crimping, when the jaw is no longer subjected to the forces applied by means of said rotary member 30. This ensures that the rotary member 30 is released from the friction forces on the track 16.
  • the depth of said notch 32 is smaller than the difference in distance d1, considered in projection on a line dr radial to the axis of the jaw support 10 and passing through the jaw 18, between the positions G1 and G2 occupied respectively by the center of gravity of the rotating element 30 on the one hand in said first position and secondly in said second position, represented on the figure 9b .
  • d1 the difference in distance
  • said notch 32 results from the fact that preferably the length it occupies on the track 16 is at most substantially equal to the width Lm of the jaw 18, said notch being, moreover, located at a position on the track 16 corresponding to the end of crimping.
  • the track length 16 useful for the actual crimping is not significantly reduced due to the presence of said notch. Therefore, it is possible to conform said track 16 so as to distribute the crimping forces of the contact throughout the crimping movement, while benefiting from the aforementioned advantages of said notch 32 and said rotary member 30 as to the reduction of efforts friction, especially when returning the crimping tool 1 in the rest position.
  • said track 16 has portions 17 for centrifugal radial displacement of the jaws so as to release the jaws of the contact at the end of crimping.
  • Such a portion 17 is provided at positions of said track facing each of the jaws when said cam is at the end of stroke relative to the jaw support, during crimping.
  • the four jaws of the first stage are arranged so that two neighboring jaws are offset from each other by an angle substantially equal to 90 degrees and that two jaws other than neighboring jaws are diametrically opposed from each other. else of the hole 6 of the jaw support 10 adapted to receive the crimp contact.
  • the crimping tool 1 makes it possible to simultaneously actuate the first stage and the second stage by means of the first handle 4 and the second handle 2. In this way, it enables the crimping to be performed substantially simultaneously. contact 34 on the electrical core of the cable by means of the first stage and the crimping of this contact on an insulating sheath of the cable by means of the second stage.
  • the crimping tool 1 Since in the aforementioned preferred embodiments the first stage makes it possible to perform a crimping such that the section of the contact 34 has concave parts on its perimeter and the second stage makes it possible to perform a crimping such that the section in contact is substantially while reducing the efforts during the return of the crimping tool in the rest position, the crimping tool 1 according to the invention therefore advantageously solve the problems of the prior art.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Processing Of Terminals (AREA)
  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)

Claims (21)

  1. Werkzeug zum Krimpen (1) eines Kontakts (34) auf das Ende eines Kabels, wobei das Kabelende einen abisolierten Teil, in dem ein leitender Kern des Kabels abisoliert ist, und einen isolierten Teil umfasst, in dem dieser leitende Kern mit einem Isoliermantel umhüllt ist, wobei der Kontakt ein koaxiales Loch zur Längsachse des Kontakts umfasst, das geeignet ist, sowohl den abisolierten Teil als auch den isolierten Teil des Kabelendes aufzunehmen, wobei das Krimpwerkzeug umfasst:
    - eine erste Stufe zum Krimpen eines ersten Teils des Kontakts auf den leitenden Kern des Kabels;
    - eine zweite Stufe zum Krimpen eines zweiten Teils des Kontakts auf den Isoliermantel des Kabels; und
    - Mittel (2, 4), um die erste Stufe und die zweite Stufe im Wesentlichen gleichzeitig zu betätigen,
    wobei:
    - die erste Stufe und die zweite Stufe Krimpelemente (18, 18a, 18b, 28, 28a, 28b) umfassen, die geeignet sind, in Bezug zu dem zu krimpenden Kontakt beim Krimpen verschoben zu werden;
    - mindestens eine der ersten Stufe und der zweiten Stufe eine Nocke (12, 22) umfasst, die mit den Krimpelementen (18, 18a, 18b, 28, 28a, 28b) der betreffenden Stufe zusammenwirkt, um sie beim Krimpen zu verschieben, um den Kontakt zu krimpen;
    dadurch gekennzeichnet, dass mindestens ein Drehelement (30) zwischen mindestens einem der Krimpelemente (18, 18a, 18b, 28, 28a, 28b) und der Nocke (12, 22) angeordnet ist, wobei dieses Drehelement mindestens zwei Positionen in Bezug zu dem betreffenden Krimpelement einnehmen kann, so dass, wenn dieses Drehelement sowohl mit diesem Krimpelement als auch mit der Nocke in Kontakt ist, der Abstand zwischen einerseits der Nocke und andererseits einem Ende dieses Krimpelements, das geeignet ist, den Kontakt zu berühren, um ihn zu krimpen, in den mindestens zwei Positionen unterschiedlich ist.
  2. Werkzeug zum Krimpen nach Anspruch 1, dadurch gekennzeichnet, dass es derart ausgeführt ist, dass bei einer Verschiebung der Nocke (12, 22) in Bezug zu den Krimpelementen in eine erste Richtung entsprechend einem Krimpen das Drehelement (30) eine erste Position in Bezug zu dem Krimpelement einnimmt, in der der Abstand maximal ist, und bei einer Verschiebung der Nocke in Bezug zu den Krimpelementen in eine zweite Richtung, die zu der ersten Richtung entgegengesetzt ist, das Drehelement eine zweite Position in Bezug zu dem Krimpelement einnimmt, in der der Abstand minimal ist.
  3. Werkzeug zum Krimpen nach einem der Ansprüche 1 oder 2, bei dem die zweite Stufe Mittel (20, 22, 24, 26, 28a, 28b) umfasst, die geeignet sind, ein Krimpen mit einem im Wesentlichen elliptischen Querschnitt zu verwirklichen.
  4. Werkzeug zum Krimpen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Krimpelemente Klemmbacken (18, 18a, 18b, 28, 28a, 28b) sind, die geeignet sind, beim Krimpen radial zu dem zu krimpenden Kontakt verschoben zu werden.
  5. Werkzeug zum Krimpen nach Anspruch 4, dadurch gekennzeichnet, dass die Nocke (12, 22) drehbar um einen Backenträger (10, 20) montiert ist, wobei die Nocke (12, 22) eine Spur (16, 26) umfasst, die mit Enden der Klemmbacken (18, 18a, 18b, 28, 28a, 28b) zusammenwirkt, um sie radial zu dem zu krimpenden Kontakt beim Krimpen zu verschieben, wobei diese Klemmbacken gleitend in Rillen (14, 24) des Backenträgers (10, 20) angeordnet sind.
  6. Werkzeug zum Krimpen nach Anspruch 5, dadurch gekennzeichnet, dass das mindestens eine Drehelement (30) zwischen einem Backenende und der Spur (16, 26) angeordnet ist, wobei dieses Drehelement mindestens zwei Positionen in Bezug zum betreffenden Backenende einnehmen kann, so dass, wenn dieses Drehelement sowohl mit diesem Backenende als auch mit der Spur in Kontakt ist, der Abstand zwischen einerseits der Spur und andererseits einem anderen Ende dieser Klemmbacke, das geeignet ist, den Kontakt zu berühren, um ihn zu krimpen, in den mindestens zwei Positionen unterschiedlich ist.
  7. Werkzeug zum Krimpen nach Anspruch 6, dadurch gekennzeichnet, dass die Enden der Klemmbacken (18, 18a, 18b, 28, 28a, 28b), die mit der Spur (16, 26) zusammenwirken, abgeschrägt sind, wobei die Drehelemente (30) zwischen diesen abgeschrägten Enden und der Spur (16, 26) angeordnet sind.
  8. Werkzeug zum Krimpen nach Anspruch 7, dadurch gekennzeichnet, dass das abgeschrägte Ende einer Klemmbacke derart ausgeführt ist, dass der Abstand zwischen dieser Klemmbacke und der Spur (16, 26) der Nocke (12, 22) hinten an der Klemmbacke maximal und vorne minimal ist, wobei die Begriffe vorne und hinten in Bezug zur Verschieberichtung der Nocke (12, 22) in Bezug zum Backenträger (10, 20) bei einem Krimpen zu betrachten sind.
  9. Werkzeug zum Krimpen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Drehelement (30) eine im Wesentlichen sphärische Kugel ist.
  10. Werkzeug zum Krimpen nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das Drehelement (30) eine im Wesentlichen zylindrische Walze ist.
  11. Werkzeug zum Krimpen nach Anspruch 10, dadurch gekennzeichnet, dass die Walze fest mit einer Drehachse koaxial zu dieser Walze verbunden ist, und deren Enden in Gleitschienen, die mit dem Backenende verbunden sind, gleiten können.
  12. Werkzeug zum Krimpen nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, dass die Spur (16, 26) der Nocke eine Kerbe (32) an jeder Position der Spur umfasst, die jeder Klemmbacke, der ein Drehelement (30) zugeordnet ist, gegenüberliegt, wenn sich die Nocke (12, 22) am Anschlag in Bezug zu dem Backenträger (10, 20) bei einem Krimpen befindet.
  13. Werkzeug zum Krimpen nach Anspruch 12, dadurch gekennzeichnet, dass die Tiefe der Kerbe (32) in der Spur (16) :
    - mindestens gleich der Verschiebung der Klemmbacke entsprechend dieser Kerbe unter der elastischen Verformung des zu krimpenden Kontakts am Ende des Krimpens ist, wenn diese Klemmbacke nicht mehr den Kräften ausgesetzt ist, die an das Mittel des Drehelements (30) angelegt werden; und
    - kleiner als die Abstandsdifferenz (d1), betrachtet in Projektion auf eine Gerade (dr) radial zur Achse des Backenträgers (10) und durch die Klemmbacke verlaufend, zwischen den Positionen (G1, G2) ist, die der Schwerpunkt des Drehelements (30) einerseits in der ersten Position und andererseits in der zweiten Position einnimmt.
  14. Werkzeug zum Krimpen nach einem der Ansprüche 12 oder 13, dadurch gekennzeichnet, dass die von der Kerbe (32) auf der Spur (16) eingenommene Länge (Le) höchstens im Wesentlichen gleich der Breite (Lm) der dieser Kerbe entsprechenden Klemmbacke ist.
  15. Werkzeug zum Krimpen nach einem der Ansprüche 5 bis 14, dadurch gekennzeichnet, dass die Spur (16, 26) eine Form hat, die geeignet ist, eine radiale Zentrifugalbewegung der Klemmbacken am Ende des Krimpens zu ermöglichen, um diese Klemmbacken aus dem Kontakt zu lösen.
  16. Werkzeug zum Krimpen nach einem der Ansprüche 5 bis 15, dadurch gekennzeichnet, dass die Backenträger (10, 20) mit einem ersten Griff (4) verbunden sind, und dass die Nocken (12, 22) mit einem zweiten Griff (2) verbunden sind, wobei der erste Griff und der zweite Griff der ersten Stufe und der zweiten Stufe gemeinsam sind.
  17. Werkzeug zum Krimpen nach einem der Ansprüche 3 bis 16, dadurch gekennzeichnet, dass die zweite Stufe zwei Gruppen von zwei Klemmbacken umfasst, wobei:
    - die Klemmbacken (28a) der ersten Gruppe Enden haben, die geeignet sind, den zu krimpenden Kontakt (34) zu berühren, dessen Form im Wesentlichen einer Fläche entspricht, deren Ausrichtung im Wesentlichen diesen Kontakt beim Krimpen tangiert;
    - die Klemmbacken (28b) der zweiten Gruppe Enden haben, die geeignet sind, den zu krimpenden Kontakt (34) zu berühren, dessen konkave Form im Wesentlichen einem Zylinderbogen kleiner als ein Halbzylinder entspricht;
    - die beiden Klemmbacken (28a) der ersten Gruppe diametral entgegengesetzt beiderseits eines Loches (6) des Backenträgers (20), der geeignet ist, den zu krimpenden Kontakt (34) aufzunehmen, angeordnet sind;
    - die beiden Klemmbacken (28b) der zweiten Gruppe diametral entgegengesetzt beiderseits des Loches (6) des Backenträgers (20), der geeignet ist, den zu krimpenden Kontakt (34) aufzunehmen, angeordnet sind;
    - die Klemmbacken (28b) der zweiten Gruppe in einem Winkel im Wesentlichen gleich 90 Grad in Bezug zu den Klemmbacken (28a) der ersten Gruppe ausgerichtet sind.
  18. Werkzeug zum Krimpen nach einem der Ansprüche 5 bis 17, dadurch gekennzeichnet, dass die erste Stufe Mittel (10, 12, 14, 16, 18a, 18b) umfasst, die geeignet sind, ein Krimpen durchzuführen, dessen Querschnitt konkave Teile auf seinem Umfang aufweist.
  19. Werkzeug zum Krimpen nach Anspruch 18, dadurch gekennzeichnet, dass die erste Stufe vier identische Klemmbacken (18a, 18b) umfasst, wobei:
    - zwei benachbarte Klemmbacken zueinander um einen Winkel im Wesentlichen gleich 90 Grad versetzt sind;
    - zwei andere Klemmbacken als benachbarte Klemmbacken diametral entgegengesetzt beiderseits eines Loches (6) des Backenträgers (10), der geeignet ist, den zu krimpenden Kontakt (34) aufzunehmen, angeordnet sind;
    - die Enden der Klemmbacken, die geeignet sind, den zu krimpenden Kontakt zu berühren, eine konvexe Form haben, die geeignet ist, konkave Verformungen in diesen Kontakt beim Krimpen zu drucken.
  20. Werkzeug zum Krimpen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Stufe Mittel umfasst, die geeignet sind, ein Krimpen mit im Wesentlichen kreisförmigem Querschnitt durchzuführen.
  21. Verfahren zum Krimpen eines Kontakts (34) auf das Ende eines Kabels, wobei das Kabelende einen abisolierten Teil, in dem ein leitender Kern des Kabels abisoliert ist, und einen isolierten Teil umfasst, in dem dieser leitende Kern mit einem Isoliermantel umhüllt ist, wobei der Kontakt ein koaxiales Loch zur Längsachse des Kontakts umfasst, das geeignet ist, sowohl den abisolierten Teil als auch den isolierten Teil des Kabelendes aufzunehmen, bei dem:
    - der Kontakt (34) sowohl in einer ersten Stufe als auch in einer zweiten Stufe eines Werkzeugs zum Krimpen (1) nach einem der vorhergehenden Ansprüche eingesetzt wird, die derart angeordnet sind, dass:
    * die erste Stufe einem ersten Teil des Kontakts, der den leitenden Kern des Kabels umgibt, gegenüberliegt,
    * die zweite Stufe einem zweiten Teil des Kontakts, der den Isoliermantel des Kabels umgibt, gegenüberliegt;
    - die erste Stufe und die zweite Stufe im Wesentlichen gleichzeitig betätigt werden;
    - die Betätigung der zweiten Stufe zwei aufeinanderfolgende Schritte umfasst:
    * Betätigung der zwei ersten Klemmbacken (28a) der zweiten Stufe, die diametral entgegengesetzt beiderseits des zu krimpenden Kontakts angeordnet sind, deren Enden, die diesen Kontakt beim Krimpen berühren, im Wesentlichen flach sind, bis der Kontakt in einem im Wesentlichen ovalen Querschnitt verformt wird;
    * Halten der ersten Klemmbacken (28a) in Position auf dem Kontakt und Betätigung der zwei zweiten Klemmbacken (28b) der zweiten Stufe, die diametral entgegengesetzt beiderseits des zu krimpenden Kontakts angeordnet und in Bezug zu den ersten Klemmbacken (28a) in einem Winkel von im Wesentlichen gleich 90 Grad ausgerichtet sind, deren Enden, die diesen Kontakt beim Krimpen berühren, konkave Form haben, im Wesentlichen entsprechend einem Zylinderbogen kleiner als ein Halbzylinder, bis der Kontakt in einem im Wesentlichen kreisförmigen Querschnitt verformt wird,
    dadurch gekennzeichnet, dass am Ende des Krimpens zumindest teilweise die Klemmbacken (18, 18a, 18b, 28a, 28a, 28b) mindestens einer Stufe unter der Wirkung der Verschiebung mindestens eines Drehelements (30), das mit einem abgeschrägten Ende mindestens einer der Klemmbacken zusammenwirkt, gelöst werden, um die notwendigen Kräfte, um das Werkzeug zum Krimpen in seine Ruhestellung zurückzuführen, zu verringern.
EP05774334.6A 2004-07-26 2005-07-12 Werkzeug und verfahren zum krimpen eines kontakts auf ein kabel Not-in-force EP1771923B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0408231A FR2873504B1 (fr) 2004-07-26 2004-07-26 Outil et procede de sertissage d'un contact sur un cable
PCT/EP2005/007548 WO2006012979A1 (fr) 2004-07-26 2005-07-12 Outil et procede de sertissage d’un contact sur un cable

Publications (2)

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EP1771923A1 EP1771923A1 (de) 2007-04-11
EP1771923B1 true EP1771923B1 (de) 2016-06-22

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US (1) US7748108B2 (de)
EP (1) EP1771923B1 (de)
JP (1) JP4657299B2 (de)
CN (1) CN101023563B (de)
BR (1) BRPI0513568B1 (de)
CA (1) CA2574906C (de)
FR (1) FR2873504B1 (de)
RU (1) RU2361340C2 (de)
WO (1) WO2006012979A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2899032B1 (fr) * 2006-03-22 2008-07-04 Robotiques 3 Dimensions Sarl Dispositif de sertissage permettant de realiser un sertissage electrique et un sertissage d'etancheite
DE102011052967B4 (de) * 2011-08-24 2013-12-19 Wezag Gmbh Werkzeugfabrik Presszange, Wechselkassette für eine Presszange und Presszangenset
US9564727B2 (en) * 2012-07-11 2017-02-07 Weidmueller Interface Gmbh & Co. Kg Crimping apparatus for turned contacts
CN103545696B (zh) * 2013-08-23 2015-09-02 遵义市飞宇电子有限公司 一种适用于电连接器针体的压接夹具
EP2905849B1 (de) 2014-02-07 2023-07-05 Yazaki Europe Ltd. Crimpwerkzeug
CN113967830B (zh) * 2021-12-09 2023-01-24 浙江海洋大学 一种机械加工用热压装盖机

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US2002502A (en) * 1932-12-15 1935-05-28 Harry A Douglas Swaging machine
US2985047A (en) 1959-03-13 1961-05-23 Cannon Electric Co Tool with cam-actuated jaw closing means
US3094702A (en) * 1961-03-27 1963-06-25 Buchanan Electrical Prod Corp Crimping tool
US3713322A (en) * 1971-01-06 1973-01-30 Deutsch Co Elec Comp Crimping tool
FR2686459B1 (fr) 1992-01-21 1996-07-05 Aerospatiale Procede de raccordement d'un cable electrique comportant une ame en metal leger sur un element d'extremite normalise, et piece de raccordement pour la mise en óoeuvre de ce procede.
FR2708150B1 (fr) 1993-07-19 1995-10-13 Aerospatiale Procédé de raccordement d'un câble électrique sur un élément d'extrémité et élément d'extrémité correspondant.
FR2710788B1 (fr) 1993-10-01 1995-12-22 Aerospatiale Outil de sertissage pour le raccordement d'un câble électrique dans un élément d'extrémité.
JP3534298B2 (ja) * 1998-02-03 2004-06-07 矢崎総業株式会社 端子を形成するための金型
US7162909B2 (en) * 2002-08-28 2007-01-16 Daniels Manufacturing Corporation Crimp tool for crimping pin and socket contacts
CN2609237Y (zh) * 2003-03-17 2004-03-31 亨龙工业有限公司 端子压接钳

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Publication number Publication date
BRPI0513568B1 (pt) 2018-01-02
EP1771923A1 (de) 2007-04-11
US7748108B2 (en) 2010-07-06
FR2873504A1 (fr) 2006-01-27
JP2008507830A (ja) 2008-03-13
CN101023563A (zh) 2007-08-22
CN101023563B (zh) 2010-05-05
CA2574906C (fr) 2013-06-25
BRPI0513568A (pt) 2008-05-06
RU2007106896A (ru) 2008-09-10
RU2361340C2 (ru) 2009-07-10
JP4657299B2 (ja) 2011-03-23
US20080028602A1 (en) 2008-02-07
WO2006012979A1 (fr) 2006-02-09
FR2873504B1 (fr) 2007-04-13
CA2574906A1 (fr) 2006-02-09

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