EP2456013B1 - Force-fit and form-fit crimp connection for a coaxial connector and crimping tool for same - Google Patents
Force-fit and form-fit crimp connection for a coaxial connector and crimping tool for same Download PDFInfo
- Publication number
- EP2456013B1 EP2456013B1 EP11008597.4A EP11008597A EP2456013B1 EP 2456013 B1 EP2456013 B1 EP 2456013B1 EP 11008597 A EP11008597 A EP 11008597A EP 2456013 B1 EP2456013 B1 EP 2456013B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- outer conductor
- supporting sleeve
- conductor part
- crimping tool
- outside
- 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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- 238000002788 crimping Methods 0.000 title claims description 34
- 239000004020 conductor Substances 0.000 claims description 82
- 239000000463 material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 238000009825 accumulation Methods 0.000 claims description 6
- 239000012777 electrically insulating material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000035508 accumulation Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
- H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
- H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
-
- 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
- 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
-
- 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
- Y10T29/49123—Co-axial cable
-
- 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
-
- 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
Definitions
- the present invention relates to a method for producing a crimp connection between a coaxial cable, which has an inner conductor, an outer conductor, a dielectric arranged between outer conductor and inner conductor and a protective sheath made of an electrically insulating material surrounding the outer conductor, and a coaxial connector, which is a Has outer conductor part.
- the invention further relates to a crimping tool for carrying out the method, the crimping tool having an anvil for receiving the outer conductor part to be crimped and a stamp for applying the crimping force.
- Such crimp connections in which two components are connected to one another by plastic deformations, represent a proven mechanical connection technology and are widely known.
- the cross section of such known crimp connections usually represents a so-called hexagonal crimp, in which a support sleeve has a hexagonal cross section formed and pressed, that is crimped onto the inner conductor or onto a screen braid arranged therebetween or an outer conductor.
- hexagonal crimp in which a support sleeve has a hexagonal cross section formed and pressed, that is crimped onto the inner conductor or onto a screen braid arranged therebetween or an outer conductor.
- the DE 10 2008 021 747 A1 discloses an electrical cable having an inner conductor assembly comprising at least one elongated conductor, an outer sheath of the cable which annularly surrounds the inner conductor assembly in cross-section, and an electrical shield of the cable which is between the inner conductor assembly and the outer sheath of the cable extends.
- a partial area of the electrical screen is folded outwards in such a way that it is spaced apart from the main area of the electrical screen running between the inner conductor arrangement and the outer sheath of the cable, transversely to the direction of extension of the cable. In this case, the folded-over, outer partial area of the electrical shield is worked into the sheath of the cable at least in sections.
- the DE 195 23 795 C1 discloses a cable entry for a shielded switching cable.
- the cable entry essentially consists of a crimp sleeve and a clamping sleeve.
- the crimp sleeve has a crimp section and a support section over which a bent-back shield jacket of the switching cable is placed.
- the crimp section of the crimp sleeve is pushed over the non-stripped end of the switching cable and firmly connected to it by crimping.
- the clamping sleeve is pushed over the support section of the crimp sleeve with the shielding sheath lying over it and fastened by crimping, the shielding sheath being clamped and contacted.
- the DE 103 43 837 B3 discloses a crimp connection for a crimp sleeve pushed onto a plug sleeve with a coaxial cable by means of a two-part tool.
- the coaxial cable is made up of several bundles Inner conductors are formed, which are surrounded by a dielectric, a shielding film and a shielding braid applied thereon and are encased by an outer jacket.
- a rounded, hexagonally shaped crimp connection is formed by means of a tool which can be joined together and has indentations which are curved inwards on the side surfaces and outward curves which are curved outwards in the corner regions.
- the GB 327 118 A discloses a method of crimping a cylindrical tube and a cable.
- the US 3 212 050 A discloses a method of making a crimp connection between a crimp barrel and a plurality of cables.
- the US 5 217 392 A discloses a method of making a crimp connection with a conventional crimping tool.
- the US 5,542,861 A discloses a method for producing a crimp connection, in which an inner sleeve is first crimped onto a jacket and only then is the outer conductor wrapped around the inner sleeve. An outer sleeve is finally crimped onto an outer contact.
- the US 3,984,912 A. also discloses a method of making a crimp connection.
- the US 2002/106918 A1 discloses a method for producing a standard crimp connection with crimp points that are punctiform in cross section.
- the invention is therefore based on the object of designing a method for eliminating the disadvantages described in such a way that both the positive connection and the non-positive connection of such a connection are considerably improved and it is therefore also possible for the crimp sleeve or the outer conductor part serving as crimp sleeve to use other materials to be able to use than previously possible.
- the invention is intended to create a crimping tool suitable for producing such a crimp connection.
- a hollow cylindrical support sleeve is arranged on the protective jacket and a predetermined section of the outer conductor freed from the protective jacket is turned over via the support sleeve, so that this section of the outer conductor is at least partially arranged radially on the outside of the support sleeve, and the outer conductor part is arranged in such a way that it surrounds the support sleeve with the outer conductor at least partially radially from the outside, cold welding between the support sleeve, the outer conductor part and the outer conductor by exerting a radial force on the outer conductor part from the outside over at least part of the circumference of the Outer conductor part takes place in the circumferential direction and in the axial direction, with the outer conductor part serving as the crimp sleeve forming a crimp connection with a circular cross section, in which a non-positive and positive connection i n seen circumferential direction takes place over the entire circum
- the outer conductor part itself serves as a crimp sleeve and a non-positive and positive connection in the circumferential direction is achieved over the entire circumference and not only at discrete points.
- the crimp connection is essentially circular in cross section.
- a particularly strong crimp connection is achieved in that at least one material accumulation is formed on the outer conductor part at the level of a closing gap of a crimping tool due to the displaced material, and this accumulates radially outwards.
- a strengthened form fit between the support sleeve and the outer conductor part and with the outer conductor arranged between them is achieved in that at least one material accumulation is formed on the outer conductor part at the level of a closing gap of a crimping tool due to the displaced material and rises radially inwards.
- the anvil and punch each have a partially cylindrical recess, the diameter d 2 of which essentially corresponds to the diameter of the outer conductor part to be crimped or is slightly smaller.
- a particularly secure reception of the outer conductor part in the crimping tool is achieved in that the part-cylindrical recess of the stamp extends over an internal angle of approximately 180 ° and opens into two parallel legs, the internal distance d 1 of which corresponds to the diameter d 2 of the stamp recess.
- a complete contact of the crimping tool in the radial direction on an outer surface of the outer conductor part to be crimped is achieved in that the part-cylindrical recess of the anvil extends over an inner angle of less than 180 ° and ends in two leg tips with obliquely outwardly extending outer surfaces, which together with Form the inner surface of the stamp leg a closing gap of the crimping tool.
- the crimp connection created according to the invention is based on the essential idea that the outer conductor part serving as the crimp sleeve is largely circular in shape on the support sleeve or on an intermediate one Shield braid is crimped on and thereby forms both a positive and non-positive crimp connection.
- the method and crimping tool according to the invention result in a crimp connection with a form fit that is almost 100%, and at the same time with almost complete force closure.
- Another advantage of such a design is that for the crimp connection, i.e. for the crimp sleeve or the outer conductor part, different materials than before, i.e. For example, brass can be used, since copper can no longer be used as the material due to the limited connecting forces as before.
- the crimp connection shown is provided on a coaxial connector.
- This has an inner conductor 1, which is usually covered by an inner insulation 2 and an outer conductor 3.
- This arrangement is surrounded by a support sleeve 4, on the outer surface of which as Shielded outer conductor 3 is folded.
- This braided shield 3 is crimped onto the support sleeve 4 by means of the crimp connection.
- an outer conductor part 5 of the otherwise not shown coaxial connector which surrounds the support sleeve 4 or the folded shield braid 3, is radially compressed by means of a corresponding crimping tool in such a way that a plastic transverse deformation results, in such a way that it serves as the crimp sleeve
- Outer conductor part 5 is largely crimped onto the support sleeve 4 or onto the braided screen 3 arranged between them.
- Fig. 1 clearly visible, small material accumulations 6 are formed on both sides of the crimped outer conductor part 5 at the level of a closing gap of the crimping tool due to the material displaced in a ring shape. These protrude both radially outwards and inwards, so that a reinforced form fit is formed with the support sleeve 4 or with the screen braid 3 arranged between them.
- the crimping tool provided for producing the described crimp connection according to 3 and 4 has an anvil 7 for receiving the outer conductor part 5 to be crimped and a stamp 8 for applying the crimping force.
- both the anvil 7 and the punch 8 each have a part-circular or part-cylindrical recess 9 or 10, the diameter d 2 of which corresponds to the diameter of the outer conductor part 5 to be crimped or is slightly smaller.
- the partially cylindrical recess 10 of the stamp 8 extends over an internal angle of approximately 180 ° and opens into two parallel legs 11, the internal spacing d 1 of which corresponds to the diameter d 2 of the stamp recess 10.
- the partially cylindrical recess 9 of the anvil 7 extends only over an internal angle of less than 180 °.
- this anvil recess 9 ends in two leg tips 12, the Outer surfaces 13, starting from a distance corresponding to the inner distance d 1 of the stamp legs 11, have an increasing distance and which, together with the inner surfaces of the stamp surfaces 11, form the closing gap of the crimping tool.
- the arrangement to be crimped is inserted into the part-circular recess 9 of the anvil 7, whereupon the stamp 8 is pressed downwards with its part-circular recess 10, until the leg tips 12 of the anvil 7 between the Penetrate inner surfaces of the stamp legs 11 and come to a standstill there with their obliquely outwardly extending outer surfaces 13.
- the closing gap of the crimping tool is formed, the material accumulations 6 of the outer conductor part 5 which are deformed in a circular shape and also projecting radially outwards and inwards forming at this point.
- hollow cylindrical refers here to a body which has an outer surface and an inner surface which are circular in cross section.
- a hollow cylinder is meant that is rotationally symmetrical about its longitudinal central axis.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Description
Die vorliegende Erfindung betrifft ein Verfahren zum Herstellen einer Crimpverbindung zwischen einem Koaxialkabel, welches koaxial zueinander angeordnet einen Innenleiter, einen Außenleiter, ein zwischen Außenleiter und Innenleiter angeordnetes Dielektrikum sowie einen den Außenleiter umgebenden Schutzmantel aus einem elektrisch isolierenden Werkstoff aufweist, und einem Koaxialsteckverbinder, welcher ein Außenleiterteil aufweist. Die Erfindung betrifft ferner ein Crimpwerkzeug zum Ausführen des Verfahrens, wobei das Crimpwerkzeug einen Amboss zur Aufnahme des zu crimpenden Außenleiterteils sowie einen Stempel zum Aufbringen der Crimpkraft aufweist.The present invention relates to a method for producing a crimp connection between a coaxial cable, which has an inner conductor, an outer conductor, a dielectric arranged between outer conductor and inner conductor and a protective sheath made of an electrically insulating material surrounding the outer conductor, and a coaxial connector, which is a Has outer conductor part. The invention further relates to a crimping tool for carrying out the method, the crimping tool having an anvil for receiving the outer conductor part to be crimped and a stamp for applying the crimping force.
Derartige Crimpverbindungen, bei denen zwei Komponenten durch plastische Verformungen miteinander verbunden sind, stellen eine bewährte mechanische Verbindungstechnik dar und sind weithin bekannt.Such crimp connections, in which two components are connected to one another by plastic deformations, represent a proven mechanical connection technology and are widely known.
Üblicherweise stellt der Querschnitt solcher bekannten Crimpverbindungen einen sog. Sechskantcrimp dar, bei dem eine Stützhülse im Querschnitt sechskantförmig ausgebildet und auf den Innenleiter bzw. auf ein dazwischen angeordnetes Schirmgeflecht bzw. einen Außenleiter aufgepresst, d.h. aufgecrimpt ist. Hierdurch wird aber jeweils nur eine punktuelle Verbindung zwischen der Stützhülse und dem Außenleiterteil gebildet. Dadurch bleiben ca. 60% von Schirmlitzen des Außenleiters des Koaxialkabels lose, so dass sowohl der Formschluss als auch der Kraftschluss einer solchen Verbindung nur bedingt brauchbar ist.The cross section of such known crimp connections usually represents a so-called hexagonal crimp, in which a support sleeve has a hexagonal cross section formed and pressed, that is crimped onto the inner conductor or onto a screen braid arranged therebetween or an outer conductor. As a result, however, only a selective connection is formed between the support sleeve and the outer conductor part. This leaves approximately 60% of the shielding strands of the outer conductor of the coaxial cable loose, so that both the positive connection and the positive connection of such a connection can only be used to a limited extent.
Die
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Der Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren zur Beseitigung der geschilderten Nachteile derart auszugestalten, dass sowohl der Formschluss als auch der Kraftschluss einer solchen Verbindung erheblich verbessert sind und es dadurch auch möglich ist für die Crimphülse bzw. das als Crimphülse dienende Außenleiterteil andere Materialen als bisher möglich verwenden zu können. Außerdem soll durch die Erfindung ein zur Herstellung einer solchen Crimpverbindung geeignetes Crimpwerkzeug geschaffen werden.The invention is therefore based on the object of designing a method for eliminating the disadvantages described in such a way that both the positive connection and the non-positive connection of such a connection are considerably improved and it is therefore also possible for the crimp sleeve or the outer conductor part serving as crimp sleeve to use other materials to be able to use than previously possible. In addition, the invention is intended to create a crimping tool suitable for producing such a crimp connection.
Diese Aufgabe wird erfindungsgemäß durch ein Verfahren gemäß Anspruch 1 und durch ein Crimpwerkzeug gemäß Anspruch 3 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den weiteren Ansprüchen beschrieben.This object is achieved according to the invention by a method according to claim 1 and by a crimping tool according to
Bei einem Verfahren ist es erfindungsgemäß vorgesehen, dass auf dem Schutzmantel eine hohlzylinderförmige Stützhülse angeordnet wird und ein vorbestimmter Abschnitt des von dem Schutzmantel befreiten Außenleiters über die Stützhülse umgeschlagen wird, so dass dieser Abschnitt des Außenleiters mindestens teilweise radial außen an der Stützhülse angeordnet ist, und das Außenleiterteil derart angeordnet wird, dass dieses die Stützhülse mit dem außenliegenden Außenleiter mindestens teilweise radial von außen umgibt, wobei eine Kaltverschweißung zwischen der Stützhülse, dem Außenleiterteil und dem Außenleiter durch Ausüben einer radialen Kraft von außen auf das Außenleiterteil über mindestens einen Teil des Umfangs des Außenleiterteils in Umfangsrichtung und in axialer Richtung erfolgt, wobei durch das als Crimphülse dienende Außenleiterteil eine im Querschnitt kreisförmige Crimpverbindung ausgebildet wird, bei der eine kraft- und formschlüssige Verbindung in Umfangsrichtung gesehen über den gesamten Umfang erfolgt und das Außenleiterteil weitgehend kreisringförmig auf die Stützhülse aufgecrimpt wird.In a method, it is provided according to the invention that a hollow cylindrical support sleeve is arranged on the protective jacket and a predetermined section of the outer conductor freed from the protective jacket is turned over via the support sleeve, so that this section of the outer conductor is at least partially arranged radially on the outside of the support sleeve, and the outer conductor part is arranged in such a way that it surrounds the support sleeve with the outer conductor at least partially radially from the outside, cold welding between the support sleeve, the outer conductor part and the outer conductor by exerting a radial force on the outer conductor part from the outside over at least part of the circumference of the Outer conductor part takes place in the circumferential direction and in the axial direction, with the outer conductor part serving as the crimp sleeve forming a crimp connection with a circular cross section, in which a non-positive and positive connection i n seen circumferential direction takes place over the entire circumference and the outer conductor part is crimped onto the support sleeve in a largely annular manner.
Dies hat den Vorteil, dass das Außenleiterteil selbst als Crimphülse dient und eine kraft- und formschlüssige Verbindung in Umfangsrichtung gesehen über den gesamten Umfang und nicht nur an diskreten Stellen erzielt wird. Die Crimpverbindung ist im Wesentlichen im Querschnitt kreisförmig ausgebildet.This has the advantage that the outer conductor part itself serves as a crimp sleeve and a non-positive and positive connection in the circumferential direction is achieved over the entire circumference and not only at discrete points. The crimp connection is essentially circular in cross section.
Eine besonders feste Crimpverbindung erzielt man dadurch, dass am Außenleiterteil auf der Höhe eines Schließspaltes eines Crimpwerkzeuges aufgrund des verdrängten Werkstoffes mindestens eine Materialanhäufung gebildet wird, die sich radial nach außen erhebt.A particularly strong crimp connection is achieved in that at least one material accumulation is formed on the outer conductor part at the level of a closing gap of a crimping tool due to the displaced material, and this accumulates radially outwards.
Einen verstärkten Formschluss zwischen der Stützhülse und dem Außenleiterteil sowie mit dem dazwischen angeordneten Außenleiter erzielt man dadurch, dass am Außenleiterteil auf der Höhe eines Schließspaltes eines Crimpwerkzeuges aufgrund des verdrängten Werkstoffes mindestens eine Materialanhäufungen gebildet wird, die sich radial nach innen erhebt.A strengthened form fit between the support sleeve and the outer conductor part and with the outer conductor arranged between them is achieved in that at least one material accumulation is formed on the outer conductor part at the level of a closing gap of a crimping tool due to the displaced material and rises radially inwards.
Bei einem Crimpwerkzeug ist es erfindungsgemäß vorgesehen, dass Amboss und Stempel jeweils eine teilzylinderförmige Ausnehmung aufweisen, deren Durchmesser d2 im Wesentlichen dem Durchmesser des zu crimpenden Außenleiterteils entspricht oder geringfügig kleiner ist.In the case of a crimping tool, it is provided according to the invention that the anvil and punch each have a partially cylindrical recess, the diameter d 2 of which essentially corresponds to the diameter of the outer conductor part to be crimped or is slightly smaller.
Dies hat den Vorteil, dass der Crimpvorgang zuverlässig wiederholbar ausführbar ist und gleichzeitig eine radial umlaufende bzw. im Querschnitt kreisförmige Crimpverbindung erzielt wird.This has the advantage that the crimping process can be carried out reliably in a repeatable manner and, at the same time, a radially circumferential or circularly crimped connection is achieved.
Eine besonders sichere Aufnahme des Außenleiterteils in dem Crimpwerkzeug erzielt man dadurch, dass sich die teilzylinderförmige Ausnehmung des Stempels über einen Innenwinkel von etwa 180° streckt und in zwei parallelen Schenkeln ausmündet, deren Innenabstand d1 dem Durchmesser d2 der Stempelausnehmung entspricht.A particularly secure reception of the outer conductor part in the crimping tool is achieved in that the part-cylindrical recess of the stamp extends over an internal angle of approximately 180 ° and opens into two parallel legs, the internal distance d 1 of which corresponds to the diameter d 2 of the stamp recess.
Eine in radialer Richtung vollständige Anlage des Crimpwerkzeugs an eine Außenfläche des zu crimpenden Außenleiterteils erzielt man dadurch, dass sich die teilzylinderförmige Ausnehmung des Ambosses über einen Innenwinkel von weniger als 180° erstreckt und in zwei Schenkelspitzen mit schräg nach außen verlaufenden Außenflächen ausläuft, die zusammen mit Innenflächen der Stempelschenkel einen Schließspalt des Crimpwerkzeuges ausbilden.A complete contact of the crimping tool in the radial direction on an outer surface of the outer conductor part to be crimped is achieved in that the part-cylindrical recess of the anvil extends over an inner angle of less than 180 ° and ends in two leg tips with obliquely outwardly extending outer surfaces, which together with Form the inner surface of the stamp leg a closing gap of the crimping tool.
Der erfindungsgemäß geschaffenen Crimpverbindung liegt der wesentliche Gedanke zugrunde, dass das als Crimphülse dienende Außenleiterteil weitgehend kreisringförmig auf die Stützhülse bzw. auf ein dazwischen angeordnetes Schirmgeflecht aufgecrimpt ist und dadurch sowohl eine formschlüssige als auch kraftschlüssige Crimpverbindung bildet.The crimp connection created according to the invention is based on the essential idea that the outer conductor part serving as the crimp sleeve is largely circular in shape on the support sleeve or on an intermediate one Shield braid is crimped on and thereby forms both a positive and non-positive crimp connection.
Aufgrund des erfindungsgemäßen Verfahrens und Crimpwerkzeugs ergibt sich eine Crimpverbindung mit einem Formschluss, der nahezu 100% beträgt, und zwar bei gleichzeitig fast vollkommenem Kraftschluss.The method and crimping tool according to the invention result in a crimp connection with a form fit that is almost 100%, and at the same time with almost complete force closure.
Als Vorteil einer derartigen Ausbildung ergibt sich weiterhin, dass nun für die Crimpverbindung, d.h. für die Crimphülse bzw. das Außenleiterteil, andere Materialen als bisher, d.h. beispielsweise Messing, zur Anwendung gelangen können, da nicht mehr wie bisher, aufgrund der begrenzten Verbindungskräfte als Material lediglich Kupfer zur Anwendung gelangen kann.Another advantage of such a design is that for the crimp connection, i.e. for the crimp sleeve or the outer conductor part, different materials than before, i.e. For example, brass can be used, since copper can no longer be used as the material due to the limited connecting forces as before.
Die Erfindung wird im Folgenden anhand der Zeichnungen näher erläutert. Diese zeigt in:
- Fig. 1
- eine gemäß dem erfindungsgemäßen Verfahren hergestellte Crimpverbindung bei einem Koaxialsteckverbinder schematisch im Querschnitt sowie
- Fig. 2
- im Längsschnitt;
- Fig. 3
- in Stirnansicht das zum Ausführen des erfindungsgemäßen Crimpverfahrens zur Anwendung gelangende Crimpwerkzeug mit Stempel und Amboss in Öffnungsstellung sowie
- Fig. 4
- in Schließstellung.
- Fig. 1
- a crimp connection produced according to the inventive method in a coaxial connector schematically in cross section and
- Fig. 2
- in longitudinal section;
- Fig. 3
- in front view the crimping tool used to carry out the crimping method according to the invention with stamp and anvil in the open position and
- Fig. 4
- in the closed position.
Wie aus
Wie aus
Das zur Herstellung der geschilderten Crimpverbindung vorgesehene Crimpwerkzeug gemäß
Wie ersichtlich, besitzen sowohl der Amboss 7 als auch der Stempel 8 jeweils eine teilkreisförmige bzw. teilzylinderförmige Ausnehmung 9 bzw. 10, deren Durchmesser d2 dem Durchmesser des zu crimpenden Außenleiterteils 5 entspricht bzw. geringfügig kleiner ist.As can be seen, both the anvil 7 and the
Die teilzylinderförmige Ausnehmung 10 des Stempels 8 erstreckt sich über einen Innenwinkel von etwa 180° und mündet in zwei parallele Schenkel 11 aus, deren Innenabstand d1 dem Durchmesser d2 der Stempelausnehmung 10 entspricht.The partially
Wie weiterhin aus
Wenn dann mittels des beschriebenen Crimpwerkzeuges die Crimpverbindung gemäß
Der Begriff "hohlzylinderförmig" bezeichnet hierin einen Körper, welcher eine im Querschnitt kreisförmige Außenfläche und Innenfläche aufweist. Mit anderen Worten ist ein Hohlzylinder gemeint, der rotationssymmetrisch um seine Längsmittelachse ist.The term "hollow cylindrical" refers here to a body which has an outer surface and an inner surface which are circular in cross section. In other words, a hollow cylinder is meant that is rotationally symmetrical about its longitudinal central axis.
Claims (3)
- Method for creating a crimp connection between a coaxial cable which possesses, arranged coaxially in relation to one another, an inner conductor (1), an outer conductor (3), a dielectric (2) arranged between the outer conductor (3) and inner conductor (1), and a jacket made of an electrically insulating material surrounding the outer conductor (3), and a coaxial connector which possesses an outer conductor part (5), wherein a hollow cylindrical supporting sleeve (4) is arranged on the jacket and a predetermined section of the outer conductor (3), from which the jacket has been stripped, is pulled over the supporting sleeve (4), so that this section of the outer conductor (3) is at least in part arranged radially on the outside of the supporting sleeve (4), and wherein the outer conductor part (5) is so arranged that this at least partially encloses the supporting sleeve (4) with the outer conductor (3) lying on the outside, radially from the outside, wherein a cold weld is achieved between the supporting sleeve (4), the outer conductor part (5) and the outer conductor (3) by applying a radial force from outside on the outer conductor part (5) over at least a part of the circumference of the outer conductor part (5), in a circumferential direction and an axial direction, characterised in that a crimp connection which is circular in cross section is formed through the outer conductor part (5) serving as a crimping sleeve, wherein, viewed in a circumferential direction, a force- and form-fitting connection is created around the whole circumference and the outer conductor part (5) is crimped onto the supporting sleeve (4), largely in the form of a circular ring, and wherein, due to the displaced material, at least one accumulation of material (6), which rises radially outwards, is formed on the outer conductor part (5) at the height of a closing gap of a crimping tool.
- Method according to claim 1, characterised in that, due to the displaced material, at least one accumulation of material (6), which rises radially inwards, is formed on the outer conductor part (5) at the height of a closing gap of a crimping tool.
- Crimping tool for creating a crimp connection between a coaxial cable which possesses, arranged coaxially in relation to one another, an inner conductor (1), an outer conductor (3), a dielectric (2) arranged between the outer conductor (3) and inner conductor (1), and a jacket made of an electrically insulating material surrounding the outer conductor (3), and a coaxial connector which possesses an outer conductor part (5), wherein a hollow cylindrical supporting sleeve (4) is arranged on the jacket and a predetermined section of the outer conductor (3), from which the jacket has been stripped, is pulled over the supporting sleeve (4), so that this section of the outer conductor (3) is at least in part arranged radially on the outside of the supporting sleeve (4), wherein the outer conductor part (5) is so arranged that this at least partially encloses the supporting sleeve (4) with the outer conductor (3) lying on the outside, radially from the outside, wherein a cold weld is achieved between the supporting sleeve (4), the outer conductor part (5) and the outer conductor (3) by applying a radial force from outside on the outer conductor part (5) over at least a part of the circumference of the outer conductor part (5), in a circumferential direction and an axial direction, and wherein said crimping tool possesses an anvil (7) to hold the outer conductor part (5) which is to be crimped as well as a die (8) to apply the crimping force, characterised in that the anvil (7) and die (8) each possess a part-cylindrical recess (9, 10), the diameter d2 of which substantially corresponds to or is slightly less than the diameter of the outer conductor part (5) which is to be crimped, that the part-cylindrical recess (10) of the die (8) extends over an internal angle of around 180° and terminates in two parallel arms (11), the internal distance d1 between which corresponds to the diameter d2 of the die recess (10), and that the part-cylindrical recess (9) of the anvil (7) extends over an internal angle of less than 180° and terminates in two arm points (12) with outer surfaces of which extend obliquely outwards (13) which, together with inner surfaces of the die arms (11), form a closing gap of the crimping tool.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010051775A DE102010051775A1 (en) | 2010-11-18 | 2010-11-18 | Positive and non-positive crimp connection, in particular for a coaxial connector and crimping tool for this purpose |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2456013A2 EP2456013A2 (en) | 2012-05-23 |
EP2456013A3 EP2456013A3 (en) | 2015-04-01 |
EP2456013B1 true EP2456013B1 (en) | 2020-01-08 |
Family
ID=44999650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11008597.4A Active EP2456013B1 (en) | 2010-11-18 | 2011-10-26 | Force-fit and form-fit crimp connection for a coaxial connector and crimping tool for same |
Country Status (3)
Country | Link |
---|---|
US (2) | US9270037B2 (en) |
EP (1) | EP2456013B1 (en) |
DE (1) | DE102010051775A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2230732B1 (en) * | 2009-03-16 | 2014-04-23 | Delphi Technologies, Inc. | Device for attaching a cable to a connection element |
US8365404B2 (en) | 2010-11-22 | 2013-02-05 | Andrew Llc | Method for ultrasonic welding a coaxial cable to a coaxial connector |
US8826525B2 (en) | 2010-11-22 | 2014-09-09 | Andrew Llc | Laser weld coaxial connector and interconnection method |
US9728926B2 (en) | 2010-11-22 | 2017-08-08 | Commscope Technologies Llc | Method and apparatus for radial ultrasonic welding interconnected coaxial connector |
US8887388B2 (en) | 2010-11-22 | 2014-11-18 | Andrew Llc | Method for interconnecting a coaxial connector with a solid outer conductor coaxial cable |
JP6421737B2 (en) * | 2015-10-21 | 2018-11-14 | 株式会社オートネットワーク技術研究所 | Manufacturing method of electric wire with terminal, crimping jig, and electric wire with terminal |
DE102019108886A1 (en) * | 2019-04-04 | 2020-10-08 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Pre-assembled electrical cable, connector arrangement, as well as method and device for assembling an electrical cable |
DE102022116368A1 (en) | 2022-06-30 | 2024-01-04 | Te Connectivity Germany Gmbh | Electrical connection device and method for producing the same |
Citations (4)
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US3984912A (en) * | 1975-02-28 | 1976-10-12 | Automatic Equipment Development Corporation | Method for splicing cable |
US5217392A (en) * | 1992-11-13 | 1993-06-08 | The Whitaker Corporation | Coaxial cable-to-cable splice connector |
US5542861A (en) * | 1991-11-21 | 1996-08-06 | Itt Corporation | Coaxial connector |
US20020106918A1 (en) * | 2001-01-17 | 2002-08-08 | Yazaki Corporation | Terminal end structure for shielded wire |
Family Cites Families (11)
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GB327118A (en) * | 1928-12-22 | 1930-03-24 | Joseph Leonard Mraz | Improvements in or relating to methods of joining wires, rods and the like |
US3212050A (en) * | 1963-03-29 | 1965-10-12 | Amp Inc | Coaxial connector |
US3499101A (en) | 1968-08-23 | 1970-03-03 | Amp Inc | Outer conductor crimp for coaxial devices |
US5561267A (en) * | 1993-11-30 | 1996-10-01 | Sumitomo Wiring Systems, Ltd. | Crimp terminal and process for producing the same |
DE19523795C1 (en) * | 1995-06-29 | 1996-12-19 | Siemens Ag | Cable gland for screened switch cable |
JP3394175B2 (en) * | 1998-01-13 | 2003-04-07 | 矢崎総業株式会社 | Termination treatment structure and termination treatment method for shielded wires |
JP3435073B2 (en) | 1998-08-25 | 2003-08-11 | 矢崎総業株式会社 | Joining structure and joining method of shielded wires |
JP2002218640A (en) * | 2001-01-17 | 2002-08-02 | Yazaki Corp | Shield connection structure |
DE10343837B3 (en) * | 2003-09-23 | 2005-06-09 | Harting Automotive Gmbh & Co. Kg | Crimp connection for coaxial cable has plug sleeve inserted between screening foil and screening filament of coaxial cable and crimp sleeve fitted over cable outer mantle |
US7409847B2 (en) * | 2006-12-14 | 2008-08-12 | Intelligent Design Group, Inc. | Method and apparatus for securing connecting ferrules |
DE102008021747A1 (en) * | 2008-04-30 | 2009-11-05 | Md Elektronik Gmbh | Electric cable and method and device for its manufacture |
-
2010
- 2010-11-18 DE DE102010051775A patent/DE102010051775A1/en not_active Withdrawn
-
2011
- 2011-10-26 EP EP11008597.4A patent/EP2456013B1/en active Active
- 2011-11-14 US US13/295,372 patent/US9270037B2/en active Active
-
2015
- 2015-05-27 US US14/722,741 patent/US10014599B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3984912A (en) * | 1975-02-28 | 1976-10-12 | Automatic Equipment Development Corporation | Method for splicing cable |
US5542861A (en) * | 1991-11-21 | 1996-08-06 | Itt Corporation | Coaxial connector |
US5217392A (en) * | 1992-11-13 | 1993-06-08 | The Whitaker Corporation | Coaxial cable-to-cable splice connector |
US20020106918A1 (en) * | 2001-01-17 | 2002-08-08 | Yazaki Corporation | Terminal end structure for shielded wire |
Also Published As
Publication number | Publication date |
---|---|
US10014599B2 (en) | 2018-07-03 |
DE102010051775A1 (en) | 2012-05-24 |
US20120124827A1 (en) | 2012-05-24 |
US9270037B2 (en) | 2016-02-23 |
EP2456013A2 (en) | 2012-05-23 |
US20150255893A1 (en) | 2015-09-10 |
EP2456013A3 (en) | 2015-04-01 |
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