EP1383212B1 - Verfahren und Vorrichtung zur Qualitätssicherung von Crimpverbindungen - Google Patents

Verfahren und Vorrichtung zur Qualitätssicherung von Crimpverbindungen Download PDF

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Publication number
EP1383212B1
EP1383212B1 EP03015348A EP03015348A EP1383212B1 EP 1383212 B1 EP1383212 B1 EP 1383212B1 EP 03015348 A EP03015348 A EP 03015348A EP 03015348 A EP03015348 A EP 03015348A EP 1383212 B1 EP1383212 B1 EP 1383212B1
Authority
EP
European Patent Office
Prior art keywords
crimping
actual value
height
adjustment
drive
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.)
Expired - Lifetime
Application number
EP03015348A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1383212A1 (de
Inventor
Erhard Anton
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.)
Schaefer Werkzeug und Sondermaschinenbau GmbH
Original Assignee
Schaefer Werkzeug und Sondermaschinenbau GmbH
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 Schaefer Werkzeug und Sondermaschinenbau GmbH filed Critical Schaefer Werkzeug und Sondermaschinenbau GmbH
Publication of EP1383212A1 publication Critical patent/EP1383212A1/de
Application granted granted Critical
Publication of EP1383212B1 publication Critical patent/EP1383212B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R43/048—Crimping apparatus or processes
    • H01R43/0486—Crimping apparatus or processes with force measuring means
    • 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
    • H01R43/0488—Crimping apparatus or processes with crimp height adjusting means

Definitions

  • the invention relates to a device for quality assurance of crimp connections crimping devices, with a reciprocable via a drive connecting rod, movable die part and a fixed die part and with a Device for pressing height adjustment, wherein the drive connecting rod with a in it longitudinally displaceable die part and with an adjustment for Fine adjustment of the pressing height (H) is provided, the adjusting drive via a Comparative setpoint / actual control is controlled and for the setpoint / actual control Comparator is provided in which the desired value (X) from the control unit or the Crimpkraftverlauf is stored during the crimping process and wherein a Actual value determiner is provided.
  • the electrical line must be from Electrical connection tightly encloses around a good power transmission ensure and also to prevent cavities leading to corroding being able to lead.
  • the closing height of the tool in relation to the thickness of Electric line is particularly important here. If the closing height is too high, so the compound may have too low a tensile strength. Is the closing height too low, it can lead to a break of the strands and also in In this case too low a tensile strength. The setting of the right one Crimp height is therefore an important issue in Crimpvorraumen.
  • DE 43 37 796 A1 discloses a method for monitoring the quality of crimp connections in which the temporal force profiles of a plurality of Reference measurements are recorded as traces and an averaged trace is formed, to which an upper and a lower spaced curve applied become a tolerance band. At one to be monitored Crimping is checked if the determined from this crimping curve is completely within the surface of the tolerance band. Faulty crimping can be determined by this.
  • All the above methods relate to individual crimping processes and their Quality control.
  • the affected part becomes displayed as defective and eliminated.
  • Disregarded long-term operations in which a total deterioration of the quality can occur without this being detected in individual crimping operations. This is for example the case when the crimping device after a standstill again in operation is taken.
  • a device of the aforementioned type is known from EP 0 419 129 A1.
  • the Istwertwertermittler is arranged on the machine frame to its to detect operational deformations and to readjust the crimping tool to use. This is not yet possible in a desirable manner.
  • the invention is therefore based on the object, a device for To provide quality assurance of crimp connections, with which also long-term operations can be safely detected.
  • the actual value of the Control tapped via an attached to the actuator actual value determiners is.
  • the actual value of the Crimping force and / or crimp height constantly within predetermined upper and / or lower tolerance masses of the crimping force and / or crimping height and, after reaching a correction measurement value by a plurality of measured actual values, a corrected readjustment of the crimp height performed.
  • the Commissioning of a crimping device is at the beginning of production start the machine temperature is approximately constant. However, with time, it warms up the device and there is an expansion of the machine body, which is a Increasing the crimp height and at the same time reducing the crimping force entails.
  • correction value a correction measure is given, which is preferred is about half of a tolerance measure. This correction reading is at the same time the mean of the measured actual values of the individual Crimps.
  • the heating phase of the crimping device usually find several corrected new settings of crimp height instead. This will be as long as possible carried out until the crimping device has reached its temperature stability and the Set value of the crimp height is maintained within a predetermined minimum range becomes.
  • the device is reciprocated with a drive connecting rod movable die part and a fixed die part with a Equipment for pressing height adjustment provided. It is characterized by that the drive connecting rod with a slidable in its longitudinal direction Die part and with a displacement effecting adjustment for Fine adjustment of the pressing height is provided, wherein the adjusting drive via a Comparative target lst control is controlled.
  • the actual value of the control is determined by an actual value detector attached to the adjusting drive tapped.
  • the setpoint can be at the control unit of Device can be adjusted or even from a calculated Reference size of the Crimpkraftwait be specified.
  • the target value of Control is then determined via the force curve during the crimping process.
  • a comparator is provided in which the desired value Operating unit or the Crimpkraftverlauf during the crimping process is stored.
  • the adjustment consists of a stepper motor and a gearbox.
  • the adjusting element itself is a perpendicular to the Direction of movement of the drive connecting rod in a hole located therein inserted eccentric pin.
  • the axis of rotation of the eccentric pin is with the Is-Wertermittler connected, which indicates the position value of the eccentric pin transmitted to the comparator.
  • the adjustment accuracy of the eccentric pin is 0.002 mm.
  • the method is shown schematically, as in the use of the device for Application passes.
  • X the target amount of the crimp height H is designated.
  • On the time axis Z is this a straight line.
  • X1 the lower one Tolerance measure of the crimp height H and with X2 the upper tolerance of the Crimp height H is called.
  • the within this tolerance dimensions X1 or X2 produced crimp are qualitatively not too objectionable.
  • the production process is divided into phases 1 to 6. In the Phase 1 after commissioning of the crimping device is the Device temperature approximately constant. The actual values of the crimp height H are not drawn here and move in a narrow Tolerance range around the nominal dimension X.
  • phase 2 there is a first warming and thus also extension of the device body instead of what a Increasing the crimp height H leads.
  • the actual values l of the individual Crimping processes tend to look down on the graph, that is to a higher crimp height H or a lower crimping force.
  • the correction reading Y represents an average value several measured actual values 1.
  • This correction measured value Y amounts to about half of a tolerance measure, as here the tolerance X2.
  • the process for phase 2 can be repeated several times and that until the Crimping device has reached its operating temperature and process stability is given, as this is drawn in phase 6.
  • the warming E of Crimping device comprises in the present example, the phases 2 to 5. In the Phase 6, the temperature stability T occurred.
  • the entire production process P consequently comprises Phase 1 at approximately constant temperature Crimping, the phases 2 to 5, the area E in which the heating of the Crimping takes place and the phase 6 at the crimp their Operating temperature T and thus has reached its process stability.
  • the means for pressing height adjustment is shown as to a device for carrying out the method is used.
  • the Device consists essentially of the drive rod 11, the die part 10, the adjusting drive 14 and the comparative nominal-actual control 15.
  • the drive connecting rod 11 is driven by the eccentric 30. Of the Eccentric itself gets its drive via the shaft 31.
  • the Die part 10 is held in the guide 32 and is in his Longitudinally displaceable.
  • the Tool holder 33 attached. On the appearance of the underneath lying second tool part is omitted.
  • the pressing height H is the distance between these two tool parts when open Tool.
  • the bore 17 is included, in which the adjusting member 12 is inserted.
  • the adjusting 12 provides at the same time the connection between the drive rod 11 and the Die part 10.
  • the adjusting member 12 is formed as an eccentric pin 18.
  • the Adjustment member 12 is connected to the adjusting drive 14, of the Stepper motor 20 is driven. In between that is switched Transmission 21.
  • the axis of rotation 22 of the eccentric pin 18th connected to an actual value determiner 23 which determines the position value of the eccentric pin 18 is transmitted to the comparator 24.
  • the Comparator 24 is the setpoint value X of the crimp height H from the control panel entered from via line 26.
  • the comparator 24 compares the Actual values 1, with the setpoint value X, and outputs corresponding control signals via line 27 to the stepper motor 20.
  • the Comparator 24 via the line 28, the actual value 1 of the Crimp force input, so that the crimp force for the regulation of the institution can be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Wire Processing (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Joining Of Glass To Other Materials (AREA)
EP03015348A 2002-07-17 2003-07-08 Verfahren und Vorrichtung zur Qualitätssicherung von Crimpverbindungen Expired - Lifetime EP1383212B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10232470A DE10232470A1 (de) 2002-07-17 2002-07-17 Verfahren und Vorrichtung zur Qualitätssicherung von Crimpverbindungen
DE10232470 2002-07-17

Publications (2)

Publication Number Publication Date
EP1383212A1 EP1383212A1 (de) 2004-01-21
EP1383212B1 true EP1383212B1 (de) 2005-10-05

Family

ID=27798315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03015348A Expired - Lifetime EP1383212B1 (de) 2002-07-17 2003-07-08 Verfahren und Vorrichtung zur Qualitätssicherung von Crimpverbindungen

Country Status (7)

Country Link
US (2) US20040055354A1 (es)
EP (1) EP1383212B1 (es)
AT (1) ATE306132T1 (es)
DE (2) DE10232470A1 (es)
ES (1) ES2249660T3 (es)
NO (1) NO20033215D0 (es)
PL (1) PL361294A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100372195C (zh) * 2005-07-13 2008-02-27 南京埃斯顿数字技术有限公司 通用端子压着机压力监控系统
DE102006014521A1 (de) 2006-03-29 2008-10-09 Schäfer Werkzeug- und Sondermaschinenbau GmbH Crimpeinheit
DE102006032363B3 (de) * 2006-07-13 2007-12-06 Schäfer Werkzeug- und Sondermaschinenbau GmbH Vorrichtung zum Ancrimpen eines Kontaktelementes
US8671551B2 (en) * 2011-02-01 2014-03-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Process for nondestructive evaluation of the quality of a crimped wire connector
US9003645B1 (en) 2013-01-17 2015-04-14 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ultrasonic device for assessing the quality of a wire crimp
DE102013211045A1 (de) * 2013-06-13 2014-12-18 Otto Bihler Handels-Beteiligungs-Gmbh Umformverfahren mit Regelung einer geometrischen Eigenschaft eines Werkstücks und Vorrichtung dazu
US10153606B2 (en) 2014-10-10 2018-12-11 The United States Of America As Represented By The Administrator Of Nasa Method to control crimping processes using ultrasonic transmission analysis
DE102019101016A1 (de) * 2019-01-16 2020-07-16 Harting Electric Gmbh & Co. Kg Verfahren und Vorrichtung zur Überprüfung der Qualität einer Crimpung

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2411340A1 (de) * 1974-03-09 1975-09-18 Hasenclever Gmbh Maschf Schmiedepresse
US4025999A (en) * 1976-02-18 1977-05-31 Joseph Wolyn Adjustable crimp die assembly
WO1982003491A1 (en) * 1981-03-31 1982-10-14 Hara Yoshihumi Iron core laminate manufacturing apparatus
JPS6031092U (ja) * 1983-08-09 1985-03-02 シ−ケ−デイ株式会社 端子圧着機
DE3541258C1 (de) * 1985-11-22 1987-01-15 Hahn Ortwin Adaptives Steuerverfahren zum Schaeumen und Sintern von Kunststoff
US4857725A (en) * 1988-07-06 1989-08-15 Santa Barbara Research Center Differential offset corrected current mirror
FR2635285B1 (fr) * 1988-08-12 1990-11-23 Ricard Claude Procedes et dispositifs pour sertir mecaniquement des terminaux sur des fils conducteurs et pour regler avec precision la hauteur de sertissage
US4856186A (en) * 1988-11-04 1989-08-15 Amp Incorporated Apparatus and method for determination of crimp height
DE3842009C1 (es) * 1988-11-22 1990-03-22 Kabelwerke Reinshagen Gmbh, 5600 Wuppertal, De
DE4014221A1 (de) * 1989-05-12 1990-11-15 Siemens Ag Verfahren und vorrichtung zur fertigungsueberwachung beim crimpen von flexiblen, abisolierten adern von leitungen
US4916810A (en) * 1989-05-12 1990-04-17 Amp Incorporated Method and apparatus for terminating wires to terminals
JPH0759333B2 (ja) * 1989-09-22 1995-06-28 モレックス インコーポレーテッド 圧着ツールの摩損を管理する圧着プレス及びその方法
GB8927467D0 (en) * 1989-12-05 1990-02-07 Amp Gmbh Crimped connection quality control
US5275032A (en) * 1990-05-30 1994-01-04 The Whitaker Corporation Method and apparatus for controlling the crimp height of crimped electrical connections
GB9012058D0 (en) * 1990-05-30 1990-07-18 Amp Gmbh Method of,and apparatus for,controlling the crimp height of crimped electrical connections
GB9012073D0 (en) * 1990-05-30 1990-07-18 Amp Gmbh Electrical terminal applicator and a crimp height adjustment plate therefor
GB2275881B (en) * 1990-10-17 1995-01-18 Towa Corp Method of adjusting setting position of reciprocating sliding member and press using such apparatus
US5491994A (en) * 1991-12-11 1996-02-20 Diamond Die & Mold Company Crimp height monitor
US5414926A (en) * 1992-10-09 1995-05-16 Sumitomo Wiring Systems, Ltd. Terminal crimping apparatus
EP0622873A3 (en) * 1993-04-26 1996-03-27 Whitaker Corp Tappet drive mechanism.
US5443549A (en) * 1993-06-15 1995-08-22 Yazaki Corporation Terminal crimping machine
EP0643457B1 (en) * 1993-09-14 1997-06-11 Molex Incorporated Electrical terminal applicator with improved crimp height adjustment plate means
DE4337796A1 (de) * 1993-11-05 1995-05-11 Abstron Electronics Gmbh Verfahren zum Überwachen der Qualität von Crimpverbindungen
US5697146A (en) * 1994-12-28 1997-12-16 Yazaki Corporation Apparatus for crimping terminal to electrical wire
CH693550A5 (de) * 1997-06-30 2003-09-30 Komax Holding Ag Krimpvorrichtung und Verfahren zu deren Betrieb.
DE19843156A1 (de) * 1998-09-21 2000-04-20 Sle Electronic Gmbh Verfahren zur Qualitätssicherung von in einer Crimpvorrichtung hergestellten Crimpverbindungen sowie Crimpwerkzeug und Crimpvorrichtung

Also Published As

Publication number Publication date
ATE306132T1 (de) 2005-10-15
US20040055354A1 (en) 2004-03-25
DE10232470A1 (de) 2004-02-05
PL361294A1 (en) 2004-01-26
ES2249660T3 (es) 2006-04-01
US20060198915A1 (en) 2006-09-07
DE50301290D1 (de) 2005-11-10
EP1383212A1 (de) 2004-01-21
NO20033215D0 (no) 2003-07-16

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