EP2793326B1 - Matrice de sertissage de joint étanche sur un contact - Google Patents

Matrice de sertissage de joint étanche sur un contact Download PDF

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Publication number
EP2793326B1
EP2793326B1 EP13164000.5A EP13164000A EP2793326B1 EP 2793326 B1 EP2793326 B1 EP 2793326B1 EP 13164000 A EP13164000 A EP 13164000A EP 2793326 B1 EP2793326 B1 EP 2793326B1
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EP
European Patent Office
Prior art keywords
crimping
crimp die
insulation
ridge
contact terminal
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.)
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Application number
EP13164000.5A
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German (de)
English (en)
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EP2793326A1 (fr
Inventor
René Reger
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Delphi International Operations Luxembourg SARL
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Delphi International Operations Luxembourg SARL
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Priority to EP13164000.5A priority Critical patent/EP2793326B1/fr
Publication of EP2793326A1 publication Critical patent/EP2793326A1/fr
Application granted granted Critical
Publication of EP2793326B1 publication Critical patent/EP2793326B1/fr
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    • 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
    • H01R43/058—Crimping 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • the present invention relates to a crimp die for crimping an electrical contact terminal to an insulation or a sealing of an electrical cable.
  • the contact terminals are crimped to the electrical cable.
  • such terminals comprise a connection portion provided with a pair of wire crimping wings which upon crimping are bent around a corresponding dismantled cable portion.
  • wire crimping wings are bent into a so called B-shaped form, i.e. a form with a cross-section shaped like an inverted W, whereby free ends or edges of the crimping wings are rolled inwardly.
  • This cross-section is advantageous to establish an electrical connection between the terminal and the cable since it allows for said free ends, respectively free edges, of the wire crimping wings to be pressed into the dismantled cable portion. Due to the inward rolling of the free edges essentially into the dismantled cable strands, the electrical connectivity is improved.
  • insulation or sealing crimping wings are bent around a non-dismantled portion of the electrical cable, i.e. around the cable insulation and/or a seal member which can be provided around the cable insulation, to establish a mechanical connection between the contact terminal and the cable.
  • the insulation or sealing crimping wings can be similarly bent into a B-shape, however, in this case a risk exists that due to a cutting of the cable insulation and/or the seal member by edges of the insulation or sealing crimping wings the mechanical connection is deteriorated.
  • the insulation or sealing crimping wings can be bent into a round shape of essentially circular cross-section.
  • crimp dies are described which can be used for example in a hand crimp tool, i.e. a plier-like hand tool used for manually crimping of contact terminals to electrical cables.
  • the crimp dies comprise separate sections for crimping insulation crimping wings e.g. to a cable insulation and wire crimping wings to dismantled cable strands.
  • the crimping method described therein results in insulation crimping wings which are bent around a cable insulation in a round shape and wire crimping wings which are bent forming a B-shaped cross-section.
  • a further prior art crimping tool for crimping an insulation crimping portion of a contact terminal to a cable insulation is described in document DE 197 37 863 A1 .
  • a round shape of the crimped insulation crimp wings is achieved making use of a crimp die with an essentially round shaped inner crimping surface whereby a bending radius of the inner surface corresponds to the desired radius of curvature of the bent insulation crimping wings.
  • EP 0 356 168 A1 discloses a U-shaped insulation support ferrule of an electrical terminal to be crimped to a cable having thin walled insulation, for example irradiated insulation, the wall thickness of which is as small as between 13% to 22% of the total diameter of the cable, wherein the crimping die has surfaces which form end portions of ears of the ferrule into scrolls having smoothly arcuate surfaces which resiliently engage the cable insulation at spaced positions, so that the cable is supported between the scrolls and the base of the ferrule in symmetrical relationship therewith, and the ears do not penetrate the cable insulation.
  • Document FR 2 214 181 A1 discloses a method for crimping connecting parts on helical winding, such as springs and electrical resistors, especially formed into a metal sheet material, comprising a connecting lug and a housing formed by a wire pair of crimp wings substantially parallel and connected by a base by means of its cross section being U-shaped, the free longitudinal edge of each wing, which extends from one end to the other of the housing, being parallel to the longitudinal axis thereof and perpendicular to said cross section.
  • Document EP 0 520 291 A1 discloses an electric terminal piece provided with a clinching portion for fastening a wire to the terminal piece over the insulation cover member of the wire and a waterproofing rubber seal member, edge portions of the clinching portion being turned outward so that the edge portions do not damage the members when the clinching portion of the terminal piece is clinched to fasten the wire and the rubber seal member.
  • a crimp die for crimping an insulation or sealing crimping portion of an electrical contact terminal to a cable insulation or a seal member which allows for an improved mechanical connection. It is a further object of the present invention to provide a crimp die for crimping insulation or sealing crimping wings to a cable insulation or to a seal member such that edges of the insulation or sealing crimping wings do not cut into the cable insulation or the seal member.
  • a crimp die which is adapted for crimping an insulation or sealing crimping portion of a contact terminal to an electrical cable.
  • the crimp die comprises a main body, a first crimping leg, a second crimping leg and a crimping ridge.
  • the crimping ridge is arranged in between the crimping legs, and extends along a longitudinal ridge axis in a direction essentially perpendicular to the crimping direction of the crimp die.
  • the crimping ridge extends parallel to the longitudinal axis of the contact terminal upon crimping, i.e. the crimping ridge is parallel to said longitudinal axis when the contact terminal is inserted in between the crimp die and a corresponding crimping anvil.
  • the crimping ridge comprises two opposing side face portions which both extend in a direction essentially parallel to the longitudinal ridge axis.
  • "essentially” as used herein indicates deviations e.g. from exact shapes, exact angles or other dimensions as they are common in the art for example due to fabrication tolerances which generally are on the order of less than 10%, preferably less than 5%, preferably less than 2.5%.
  • the side face portions are essentially mutually parallel and extend from the main body essentially in the crimping direction.
  • the side face portions are inclined with respect to the crimping direction by an angle which is at most 2°, preferably at most 1.5°, more preferably at most 1°, even more preferably at most 0.5°, yet even more preferably at most 0.2° and most preferably at most 0.1°.
  • a cross-section of the crimp die encompasses a circular arc and within this plane, the cross-section of the crimping ridge extends from the midpoint of the circular arc in the crimping direction.
  • the cross-section of the crimp die has essentially a concavely shaped form from which the crimping ridge extends.
  • a cross-section of the crimp die does not comprise a B-shape.
  • a crimping apparatus comprising at least one crimp die, whereby in a preferred embodiment the crimping apparatus further comprises a wire crimp die, whereby the wire crimp die comprises a wire crimp section with a wire crimp surface comprising a B-shaped cross-section.
  • the crimping apparatus comprises a crimp die for crimping insulation or sealing crimping wings to a cable insulation or a seal member.
  • the crimping apparatus comprises a wire crimp die with an inner crimping surface which comprises a B-shape for crimping wire crimping wings to a dismantled cable portion.
  • a method for crimping a contact terminal to a cable insulation or to a seal member which for example is provided around a dismantled cable portion or around a cable insulation.
  • This method comprises the steps of providing a crimping apparatus comprising a crimp die according to the invention, providing a contact terminal with an insulation or sealing crimping portion, providing an electrical cable with a cable insulation and/or providing a seal member.
  • the method further comprises crimping the insulation or sealing crimping portion of the contact terminal to the cable insulation and/or to the seal member using the crimp die according to the invention.
  • Fig. 1 schematically illustrates a connection portion 201 of a contact terminal 200 with an insulation or sealing crimping portion 204 and a wire crimping portion 206.
  • the contact terminal 200 is further provided with a contact portion 203 (see Fig. 2 ) for connecting the contact terminal 200 e.g. to a further contact terminal (not shown).
  • the insulation or sealing crimping portion 204 is provided with insulation or sealing crimping wings 205 and the wire crimping portion 206 is provided with wire crimping wings 207.
  • Fig. 1 schematically illustrates a connection portion 201 of a contact terminal 200 with an insulation or sealing crimping portion 204 and a wire crimping portion 206.
  • the electrical cable 400 can be placed within the contact terminal 200 such that electrically conductive cable strands 401 within a dismantled portion of the electrical cable 400 are placed within the wire crimping portion 206 and an end portion of the cable insulation 403 is placed within the insulation or sealing crimping portion 204.
  • a seal member 300 can be provided around the cable 400, in particular around the cable insulation 403, whereby in this case, a seal crimping portion 301 is placed around said end portion of the cable insulation 403.
  • the contact terminal 200 is placed on an anvil 500 such that its longitudinal axis is oriented along a direction 608 essentially perpendicular to the crimping direction 601 of a crimp die 101 and a wire crimp die 131 of crimping apparatus 100.
  • the insulation or sealing crimping portion 204 is placed on an insulation anvil portion 503 and the wire crimping portion 206 is placed on a corresponding wire anvil portion 505.
  • the wire crimp die 131 is moved along the crimping direction 601, i.e. downwardly in Fig.
  • crimping wing edges 208 slide along inner wire crimping surfaces 135 (only one of which is visible due to the perspective of the figure) and after reaching wire crimp section 133 are rolled inwardly into an inverted W-shape due to the B-shaped cross-section of a wire crimp section 133 of the wire crimp die 131.
  • the crimp die 101 serves for crimping the insulation or sealing crimping wings 205 around the seal crimping portion 301 of the seal member 300 and comprises a main body 103, a first crimping leg 105, and a second crimping leg 107.
  • the main body 103 of crimp die 101 is further provided with a mounting recess 104 for mounting the crimp die 101 inside of a corresponding crimping tool (not shown) of crimping apparatus 100.
  • the crimping apparatus 100 with crimp die 101, wire crimp die 131 and crimping anvil 500 is suited to be used for example in a production line in a mass production facility.
  • the crimp die 101 can also be used in a suitable hand crimp tool for manual crimping. As indicated by the corresponding circle, the crimp die 101 is provided with a crimp section 110 within which a crimping ridge 111 is arranged in between crimping legs 105, 107.
  • Fig. 3 shows a cross-sectional view of the crimp section 110.
  • an inner surface 115 of the crimp section 110 essentially encompasses a circular arc along the dashed circle 603.
  • the circular arc spans at least 30°, more preferably at least 45°, even more preferably at least 60°, yet even more preferably at least 90°, and most preferably at least 135°.
  • the circular arc spans about 180°.
  • the crimping ridge 111 extends essentially, i.e. up to common fabrication tolerances, from the center of the circular arc essentially in the crimping direction 601, whereby side face portions 114, which in a preferred embodiment are faces of an intermediate portion 112 of the crimping ridge 111, extend from the main body 103 essentially in the crimping direction 601.
  • the crimping ridge 111 further comprises an end portion 113, such that preferably the crimping ridge 111 is formed by intermediate portion 112 and end portion 113.
  • the side face portions 114 are adapted to prevent an inwardly directed rolling of free edges 209 upon crimping the contact terminal 200 to the electrical cable 400.
  • free edges 209 (see Fig. 1 above) of the insulation or sealing crimping wings 205 move along inner surfaces 106, 108 of first and second crimping legs 105, 107 and are bent inwardly following the curvature of said inner surfaces 106, 108 and the concavely shaped inner surface 115 until they abut the crimping ridge 111 at side face portions 114, which preferably to this end are accordingly dimensioned.
  • the side face portions 114 extend along the crimping direction 601 such that free edges 209 can abut the side face portions 114.
  • the inventive crimping ridge 111 which upon crimping is moved in between the free edges 209 the insulation or sealing crimping wings 205, said wings are prevented from rolling or bending inwardly and accordingly their free edges 209 are prevented from cutting for example into an outer surface of the seal crimping portion 301.
  • the intermediate portion 112 has a height h ip 702 in the crimping direction 601 such that due to said abutment of free edges 209, an inwardly directed rolling of said insulation or sealing crimping wings 205 is prevented.
  • the ratio h ip /h t of height h ip 702 of the intermediate portion to the total height h t 701 of the crimping ridge is in between 0.9 and 0.1, preferably in between 0.8 and 0.2, more preferably in between 0.7 and 0.3, even more preferably in between 0.6 and 0.4, and most preferably in between 0.55 and 0.45.
  • the ratio is 0.9. Accordingly, if the height h ip 702 of the intermediate portion 112 is 0.1 mm and the total height h t 701 of the crimping ridge 111 is 1.0 mm, said ratio is 0.1.
  • the intermediate portion 112 comprises a width w ip 703, wherein the ratio w ip /h t of the width w ip 703 of the intermediate portion 112 to the total height h t 701 of the crimping ridge 111 is in between 0.75 and 0.1 preferably in between 0.7 and 0.15, more preferably in between 0.65 and 0.2, even more preferably in between 0.6 and 0.25 and most preferably in between 0.55 and 0.275.
  • the width w ip 703 of the intermediate portion 112 is 0.7 mm and the total height h t 701 of the crimping ridge is 1.0 mm said ratio is 0.7. Accordingly, if the width w ip 703 of the intermediate portion 112 is 0.15 mm and the total height h t 701 of the crimping ridge is 1.0 mm said ratio is 0.15.
  • Fig. 4 illustrates a further embodiment of the crimping ridge 111' whereby in this embodiment, the end portion 113' of the crimping ridge 111' is provided with end side walls 117' which are inclined with respect to side walls 114'.
  • the end side walls 117' form an angle 801' which is in between 10° and 70°, preferably in between 15° and 65°, more preferably in between 20° and 60°, even more preferably in between 25° and 55°, and most preferably in between 30° and 50°.
  • angle 801' which is in between 10° and 70°, preferably in between 15° and 65°, more preferably in between 20° and 60°, even more preferably in between 25° and 55°, and most preferably in between 30° and 50°.
  • the crimping ridge 111 as well as the crimping ridge 111' is generally oriented and elongated in the crimping direction 601, such that a general orientation angle 803, respectively 803', i.e. an angle e.g. of side walls 114, respectively 114', with respect to tangential 602, respectively 602', is essentially 90°.
  • the height h ip 702' of the intermediate portion 112' and the total height h t 701' of the crimping ridge 111' preferably are within the ranges as specified for heights h t 701 and h ip 702 of the embodiment according to Fig. 3 .
  • Fig. 5 shows a further embodiment of the crimping ridge 111", whereby preferably the end portion 113" is thickened as compared to the intermediate portion 112", preferably whereby the ratio w ip /w ep of the width w ip 703" of the intermediate portion 112" to the width w ep 704" of the end portion 113" is in between 0.9 and 0.1, preferably in between 0.85 and 0.2, more preferably in between 0.8 and 0.3, more preferably in between 0.75 and 0.4 and most preferably in between 0.7 and 0.45.
  • the width w ip 703" of intermediate 112" is 0.9 mm and the width w ep 704" of the end portion 113" is 1.0 mm, said ratio is 0.9. Accordingly, if the width w ip 703" of intermediate 112" is 0.1 mm and the width w ep 704" of the end portion 113" is 1.0 mm, said ratio is 0.1. Also in this embodiment a general orientation angle 803" of side walls 114" with respect to a tangential 602" is essentially 90°.
  • the total height h t 701" and the height h ip 702" of the intermediate portion 112" are within the ranges as specified for heights h t 701 and h ip 702.
  • Fig. 6 schematically illustrates the result of crimping an insulation or sealing crimping portion 204 and a wire crimping portion 206 using wire crimp die 131 and crimp die 101 as illustrated in Fig. 2 above.
  • the crimped wire crimping portion 206 of the contact terminal 200 accordingly is B-shaped, i.e. the wire crimping wings 207 are inwardly bent following the shape of an inverted W.
  • the insulation or sealing crimping wings 205 are bent in a round shape, whereby due to the use of the crimping ridge 111; 111'; 111" the free edges 209 of the insulation or sealing crimping wings 205 are mutually spaced apart from each other and are not bent inwardly.
  • Fig. 7 illustrates the result of crimping insulation or sealing crimping wings 205 around a seal crimping portion 301 of a seal member 300 which is provided around a cable 400 making use of a standard crimp die which is not provided with a crimping ridge 111; 111'; 111".
  • a damaged portion 303 of the seal 300 is visible within which the lower insulation or sealing crimping wing 205 has cut into the seal crimping portion 301. Due to such damages, the structure of the seal material is weakened thereby deteriorating the mechanical connection between the seal member 300 and the contact terminal 200.
  • Figure 8 shows a picture of the contact terminal 200 after completion of the crimping process before removing the crimp die 101 from anvil 500.
  • the picture according to Fig. 8 corresponds to a view from the left onto a contact terminal oriented as the contact terminal shown in Fig. 7 without a seal member 300 and a cable 400.
  • insulation or sealing crimping wings 205 which are bent essentially in a circular shape and abut side walls 114 of the crimping ridge 111.
  • One can see further the bent wire crimping wings 207 which are bent inwardly thereby essentially forming a B-shape.
  • Fig. 9 shows the result of crimping insulation or sealing crimping wings 205 around a seal crimping portion 301 making use of the inventive crimp die 101.
  • inventive crimp die 101 i.e. due to the insertion of the crimping ridge 111 in between the free edges of the insulation or sealing crimping wings 205, upon crimping damage of the seal crimping portion 301 of the seal member 300 is prevented and the seal crimping portion 301 is not damaged.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Claims (13)

  1. Matrice de sertissage (101) adaptée pour le sertissage d'une portion d'isolation ou d'étanchement à sertir (204) d'une borne de contact (200) sur un câble électrique (400), la matrice de sertissage (101) comprenant un corps principal (103), une première patte de sertissage (105), une seconde patte de sertissage (107) et une nervure de sertissage (111 ; 111' ; 111") qui est agencée entre lesdites pattes de sertissage (105, 107), et qui s'étend le long d'un axe de nervure longitudinale dans une direction essentiellement perpendiculaire à la direction de sertissage (601) de la matrice de sertissage (101) et parallèle à l'axe longitudinal de la borne de contact (200) lors du sertissage, grâce à quoi la nervure de sertissage (111 ; 111' ; 111 ") comprend deux portions de faces latérales opposées (114 ; 114' ; 114") qui s'étendent toutes les deux dans une direction essentiellement parallèle à l'axe de nervure longitudinale,
    dans laquelle les portions de faces latérales (114 ; 114' ; 114") sont mutuellement parallèles et s'étendent depuis le corps principal (103) essentiellement dans la direction de sertissage (601), caractérisée en ce que, à l'intérieur d'un plan parallèle à la direction de sertissage (601) et perpendiculaire à l'axe de nervure longitudinale, une section transversale de la matrice de sertissage (101) englobe un arc circulaire et, dans ce plan, la section transversale de la nervure de sertissage (111 ; 111' ; 111") s'étend depuis le milieu de l'arc circulaire dans la direction de sertissage (601).
  2. Matrice de sertissage (101) selon la revendication 1, caractérisée en ce que les portions de faces latérales (114 ; 114' ; 114") sont dimensionnées de telle façon que lors du sertissage de la borne de contact (200) sur le câble électrique (400), des bordures libres (209) d'ailettes d'isolation ou d'étanchéité à sertir (205) de la borne de contact (200) viennent buter contre les portions de faces latérales (114 ; 114' ; 114").
  3. Matrice de sertissage (101) selon l'une quelconque des revendications précédentes, caractérisée en ce que les portions de faces latérales (114 ; 114' ; 114") sont des faces d'une portion intermédiaire (112 ; 112' ; 112") de la nervure de sertissage (111 ; 111' ; 111 "), grâce à quoi la portion intermédiaire (112 ; 112' ; 112") a une hauteur hip (702 ; 702' ; 702") dans la direction de sertissage (601), de telle façon que lors du sertissage de la borne de contact (200) sur le câble électrique (400), des bordures libres (209) d'ailettes d'isolation ou d'étanchéité à sertir (105) de la borne de contact (200) viennent buter contre la portion intermédiaire (112 ; 112' ; 112").
  4. Matrice de sertissage (101) selon l'une quelconque des revendications précédentes, caractérisée en ce que les portions de faces latérales (114 ; 114' ; 114") sont inclinées par rapport à la direction de sertissage (601) d'un angle qui est au maximum de 2°, de préférence au maximum 1,5°, de façon plus préférée au maximum 1°, de façon encore plus préférée au maximum 0,5°, encore plus préférée au maximum 0,2°, et de la manière la plus préférée au maximum 0,1°.
  5. Matrice de sertissage (101) selon la revendication 1, caractérisée en ce que l'arc circulaire couvre au moins 30°, de façon plus préférée au moins 45°, de façon encore plus préférée au moins 60°, de manière encore plus préférée au moins 90°, et de la manière la plus préférée au moins 135°.
  6. Matrice de sertissage (101) selon l'une quelconque des revendications précédentes,
    caractérisée en ce que le rapport hip/ht de la hauteur hip (702 ; 702' ; 702") de la portion intermédiaire (112 ; 112' ; 112") sur la hauteur totale ht (701 ; 701' ; 701 ") de la nervure de sertissage (111 ; 111' ; 111 ") dans la direction de sertissage (601) est entre 0,9 et 0,1, de préférence entre 0,8 et 0,2, façon plus préférée entre 0,7 et 0,3, de manière encore plus préférée entre 0,6 et 0,4, et de la façon la plus préférée entre 0,55 et 0,45.
  7. Matrice de sertissage (101) selon l'une quelconque des revendications précédentes, caractérisée en ce que le rapport wip/ht d'une largeur wip (703 ; 703' ; 703") de la portion intermédiaire (112 ; 112' ; 112") sur la hauteur totale ht (701 ; 701' ; 701 ") de la nervure de sertissage (111 ; 111' ; 111 ") est entre 0,75 et 0,1, de préférence entre 0,7 et 0,15, de manière plus préférée entre 0,65 et 0,2, de manière encore plus préférée entre 0,6 et 0,25, et de la façon la plus préférée entre 0,55 et 0,275.
  8. Matrice de sertissage (101) selon l'une quelconque des revendications précédentes, caractérisée en ce que la nervure de sertissage (111 ; 111' ; 111") comprend une portion terminale (113') avec des parois latérales terminales (117'), de sorte que les parois latérales terminales (117') forment un angle (801') entre 10° et 70°, de préférence entre 15° et 65°, de façon plus préférée entre 20° et 60°, de manière encore plus préférée entre 25° et 55°, et de la manière la plus préférée entre 30° et 50°.
  9. Matrice de sertissage (101) selon l'une quelconque des revendications précédentes, caractérisée en ce que la portion terminale (113") est épaissie par comparaison à la portion intermédiaire (112"), de préférence de sorte que le rapport wip/wep de la largeur wip (703") de la portion intermédiaire (112") sur la largeur wep (704") de la portion terminale (113") est entre 0,9 et 0,1, de préférence entre 0,85 et 0,2, de manière plus préférée entre 0,8 et 0,3, de manière encore plus préférée entre 0,75 et 0,4, et de la manière la plus préférée entre 0,7 et 0,45.
  10. Matrice de sertissage (101) selon l'une quelconque des revendications précédentes, caractérisé en ce que, dans un plan parallèle à la direction de sertissage (601) et perpendiculaire à l'axe de nervure longitudinale, une section transversale de la matrice de sertissage (101) ne présente pas de forme en B.
  11. Appareil de sertissage (100) comprenant au moins une matrice de sertissage (101) selon l'une quelconque des revendications précédentes 1 à 10.
  12. Appareil de sertissage selon la revendication 12, comprenant en outre une matrice de sertissage pour fil (131), caractérisé en ce que la matrice de sertissage pour fil (131) comprend une section de sertissage pour fil (133) avec une surface de sertissage pour fil (135) présentant essentiellement une section transversale en forme de B.
  13. Procédé pour sertir une borne de contact (200) sur une isolation d'un câble (403) ou sur un élément d'étanchement (300) comprenant les étapes suivantes consistant à :
    - fournir un appareil de sertissage (100) comprenant au moins une matrice de sertissage (101) adaptée pour sertir une portion d'isolation ou d'étanchéité à sertir (104) d'une borne de contact (200) sur un câble électrique (400), la matrice de sertissage (101) comprenant un corps principal (103), une première patte de sertissage (105), une seconde patte de sertissage (107) et une nervure de sertissage (111 ; 111' ; 111 ") qui est agencée entre les pattes de sertissage (105, 107), et qui s'étend le long d'un axe de nervure longitudinale dans une direction essentiellement perpendiculaire à la direction de sertissage (601) de la matrice de sertissage (101) et parallèle à l'axe longitudinal de la borne de contact (200) lors du sertissage, grâce à quoi la nervure de sertissage (111 ; 111' ; 111 ") comprend deux portions de faces latérales opposées (114 ; 114' ; 114") qui s'étendent toutes les deux dans une direction essentiellement parallèle à l'axe de nervure longitudinale, dans lequel les portions de faces latérales (114 ; 114' ; 114") sont mutuellement parallèles et s'étendent depuis le corps principal (103) essentiellement dans la direction de sertissage (601), dans lequel, à l'intérieur d'un plan parallèle à la direction de sertissage (601) et perpendiculaire à l'axe de nervure longitudinale, une section transversale de la matrice de sertissage (101) englobe un arc circulaire et, dans ce plan, la section transversale de la nervure de sertissage (111 ; 111' ; 111") s'étend depuis le milieu de l'arc circulaire dans la direction de sertissage (601),
    - fournir une borne de contact (200) avec une portion d'isolation ou d'étanchéité à sertir (204),
    - fournir un câble électrique (400) avec une isolation de câble (403), et/ou
    - fournir un élément d'étanchéité (300),
    - sertir la portion d'isolation ou d'étanchéité à sertir (104) de la borne de contact (200) sur l'isolation du câble (403) et/ou sur l'élément d'étanchéité (300) en utilisant la matrice de sertissage (101).
EP13164000.5A 2013-04-16 2013-04-16 Matrice de sertissage de joint étanche sur un contact Active EP2793326B1 (fr)

Priority Applications (1)

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EP13164000.5A EP2793326B1 (fr) 2013-04-16 2013-04-16 Matrice de sertissage de joint étanche sur un contact

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EP2793326B1 true EP2793326B1 (fr) 2017-09-13

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3358678B1 (fr) * 2017-02-07 2020-08-19 Nexans Procédé d'étanchéité d'une connexion électriquement conductrice

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2214181B1 (fr) * 1973-01-12 1977-02-04 Labinal
GB8819904D0 (en) * 1988-08-22 1988-09-21 Amp Great Britain Crimping ferrule to insulation of insulated cable
JPH052382U (ja) * 1991-06-24 1993-01-14 矢崎総業株式会社 端子金具
US5415015A (en) 1993-10-14 1995-05-16 Molex Incorporated Electrical terminal crimping tool
DE19737863B4 (de) 1997-08-29 2015-07-16 The Whitaker Corp. Elektrischer Verbinder und Verfahren zur Herstellung eines Isolationscrimpes
EP2485343B1 (fr) 2011-02-02 2013-10-16 Wezag GmbH Werkzeugfabrik Matrice de sertissage en forme de B

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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