DE19721378C2 - Verfahren zur Herstellung von Metall-Kunststoff-Verbundelementen - Google Patents

Verfahren zur Herstellung von Metall-Kunststoff-Verbundelementen

Info

Publication number
DE19721378C2
DE19721378C2 DE1997121378 DE19721378A DE19721378C2 DE 19721378 C2 DE19721378 C2 DE 19721378C2 DE 1997121378 DE1997121378 DE 1997121378 DE 19721378 A DE19721378 A DE 19721378A DE 19721378 C2 DE19721378 C2 DE 19721378C2
Authority
DE
Germany
Prior art keywords
metal core
plastic
metal
production
composite elements
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 - Fee Related
Application number
DE1997121378
Other languages
English (en)
Other versions
DE19721378A1 (de
Inventor
Guenther Dietrich
Karlheinz Piel
Lothar Pleugel
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.)
ThyssenKrupp Steel Europe AG
Original Assignee
ThyssenKrupp Stahl AG
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 ThyssenKrupp Stahl AG filed Critical ThyssenKrupp Stahl AG
Priority to DE1997121378 priority Critical patent/DE19721378C2/de
Priority to DE59802293T priority patent/DE59802293D1/de
Priority to AT98102851T priority patent/ATE210029T1/de
Priority to EP19980102851 priority patent/EP0879725B1/de
Priority to KR1019980011053A priority patent/KR100256278B1/ko
Priority to SG9800831A priority patent/SG91799A1/en
Priority to CA 2248499 priority patent/CA2248499C/en
Priority to US09/066,205 priority patent/US6174398B1/en
Priority to IN881CA1998 priority patent/IN192289B/en
Priority to JP13653698A priority patent/JP2975005B2/ja
Priority to ARP980102338 priority patent/AR010165A1/es
Priority to AU67983/98A priority patent/AU706539B2/en
Priority to TR1998/00899A priority patent/TR199800899A2/xx
Priority to BR9801549A priority patent/BR9801549A/pt
Publication of DE19721378A1 publication Critical patent/DE19721378A1/de
Application granted granted Critical
Publication of DE19721378C2 publication Critical patent/DE19721378C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
    • B29C65/3444—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint being a ribbon, band or strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
    • B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
    • B29C65/3644—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a ribbon, band or strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9131—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the heat or the thermal flux, i.e. the heat flux
    • B29C66/91311—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • B29C66/91655—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating by controlling or regulating the current intensity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/03—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by material, e.g. composite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
    • B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
    • B29C65/3676—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic
    • B29C65/368—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic with a polymer coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91221—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2310/00—Treatment by energy or chemical effects
    • B32B2310/021—Treatment by energy or chemical effects using electrical effects
    • B32B2310/022—Electrical resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2311/00—Metals, their alloys or their compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2571/00—Protective equipment
    • B32B2571/02—Protective equipment defensive, e.g. armour plates, anti-ballistic clothing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives

Description

Die Erfindung betrifft ein Verfahren gemäß dem Oberbegriff des Patentanspruchs 1.
Bei der Herstellung von Metall-Kunststoff-Verbundelementen, wie sie z. B. aus der EP 0 732 234 A2 bekannt sind, durch Aufbringen von Kunststofflagen (Laminieren) auf der Ober- und der Unterseite winkelförmig profilierter Metallkerne (Metallstäbe) werden Thermoplaste und Duroplaste als Verbindungsschichten sowohl der Kunststoff-Gewebelagen untereinander, als auch zur Verbindung der Gewebepakete mit dem Metallkern benutzt.
Neben dem Vakuum-Sack-Verfahren wird auch die Pressentechnik für die Fertigung solcher Werkstücke eingesetzt (beide Verfahren prinzipiell beschrieben z. B. in Fleming, M.; Ziegmann, G.; Roth, S.; Faserverbundweisen, Springer-Verlag Berlin Heidelberg New York 1996).
Beiden Verfahren ist gemeinsam, dass sie zum Fügen winkelbehafteter Elemente, Formele­ mente als Ober- und Unterformen zur Einstellung der gewünschten Teilegeometrie benutzen. Ferner wenden beide Verfahren als gemeinsames Kriterium die Methode der mittelbaren Ein­ bringung der zum Prozessablauf erforderlichen thermischen Energie an. Zudem muss nach Reaktionsabschluss die Wärme des gesamten Aufbaus Werkstück/Formelemente im Rahmen des Abkühlzyklus nach außen abgeführt werden.
Beim Vakuum-Sack-Verfahren werden die lose zusammengefügten Einzellagen des späteren Verbundkörpers in formenden Vorrichtungen fixiert und durch Evakuieren des sie vollständig überdeckenden Vakuumsacks über textile Hilfselemente mit einer Druckkraft beaufschlagt. Nach dieser vorbereiteten Phase wird das Gesamtarrangement entweder durch Heizplatten oder durch Einbringen in einen geschlossenen Ofenraum erwärmt.
An den Erwärmryklus mit einer maximalen Prozesstemperatur von ca. 200°C schließt sich, insbesondere bei Thermoplasten, unmittelbar ein Abkühlzyklus unter weiterhin wirksamem Druck an, welcher der Stabilisierung des Formlings dient.
Bei der Teileherstellung durch die Pressentechnik wird der notwendige Druck durch eine Pres­ se (hydraulisch, pneumatisch, mechanisch) erzeugt. Die Einzellagen des späteren Werkstücks werden im Falle nicht ebener Gestalt in Pressformen (Ober- und Unterform) fixiert.
Die Form selber wird entweder mittels Elektroheizplatten oder durch ein wärmeübertragendes Fluid beheizt. Kühleinrichtungen dienen zur Realisierung des Abkühlzyklus.
Aufgrund der physikalischen Gegebenheiten der Wärmeleitung und des Wärmeübergangs sind die beiden zitierten Verfahren durch relativ lange Erwärm- und Abkühlzyklen gekenn­ zeichnet. Das zieht relativ lange Prozesszeiten mit relativ geringem Werkstückdurchsatz pro Zeiteinheit und Fertigungsaggregat nach sich.
Von daher liegt der Erfindung die Aufgabe zugrunde, ein Verfahren der eingangs genannten Art zu schaffen, mit dem auf einfache Weise eine Verbesserung der Wirtschaftlichkeit des La­ miniervorgangs bei der Herstellung winkelförmig profilierter Metall-Kunststoff-Verbundele­ menten erreicht werden kann, wobei die Neigung des Verschwimmens zwischen den drei Komponenten Oberschale, Unterschale und Metallkern deutlich reduziert und die Maßgenau­ igkeit und Fertigungssicherheit erhöht werden.
Nach der Erfindung wird die Aufgabe durch die im Patentanspruch angegebenen Merkmale gelöst.
Durch die unmittelbare Erwärmung des Metallkerns wird dessen thermische Energie zum Ver­ kleben desselben mit den in der Regel elektrisch nicht leitenden und zweckmäßigerweise vor­ gefertigten Ober- und Unterschalen (Lagenpakete aus Kunststoff, miteinander verklebt) be­ nutzt.
Die thermische Energie des Metallkerns schmilzt die thermoplastische oder duroplastische Klebmasse, in der Regel als Folie ausgebildet, die sich zwischen Metallkern und Ober- bzw. Unterschale befindet, auf. Die Klebefolie kann hierbei bereits Bestandteil der vorgefertigten Ober- und Unterschale sein und sowohl mit dem eigentlichen Matrixmaterial identisch als auch unterschiedlich zu diesem sein. Durch einen äußeren Druckaufbau, zweckmäßigerweise durch eine Presse, werden die drei Teilelemente des Werkstücks, Oberschale, Unterschale und Metallkern, form- und kraftschlüssig miteinander verbunden.
Neben der Erwärmphase wird durch das erfindungsgemäße Verfahren auch die anschließen­ de Abkühlphase des Prozesses gegenüber dem Stand der Technik deutlich reduziert. Wäh­ rend bei dem bekannten zitierten Verfahren entsprechend dem Stand der Technik die thermi­ sche Energie des Gesamtsystems Formen-Gesamtwerkstück abgeführt werden muss, ist bei dem erfindungsgemäßen Verfahren lediglich die Wärmeenergie des zuvor auf Prozesstempe­ ratur erwärmten Metallkerns abzuführen. Da letztere aus Massegründen um Größenordnun­ gen geringer ist als im ersten Fall, ergeben sich dementsprechend auch deutlich verkürzte Zyklusdauern.
Aus der DE 31 08 221 A1 ist zwar eine Vorrichtung und ein Verfahren zur Herstellung von ver­ klebten Kunststoff- und Metallteilen unter Einsatz einer Induktionsspule bekannt, wel­ che/welches aber keinen Hinweis auf das spezielle erfindungsgemäße Verfahren geben kann, da hier nur ebene Teile verwendet werden.
Anhand der schematischen Zeichnung wird das erfindungsgemäße Verfahren nachfolgend näher erläutert.
Bei der erfindungsgemäßen Verfahrensweise wird ein zu laminierendes Werkstück 2, beste­ hend aus Oberschale 2.1, Metallkern 2.2 und Unterschale 2.3 in ein Formelement 1, das aus Oberform 1.2 und Unterform 1.3 besteht, eingelegt. Die Elemente 2.4 stellen den folienartig ausgebildeten Klebstoff dar. Der Metallkern 2.2 ist als winkelförmiger Stab ausgebildet. Ein Induktor 8 bzw. 9 ist so ausgebildet, dass er vollständig in Oberform 1.2 und Unterform 1.3 integriert die erforderliche Druckkraft 7 des Prozesses zu übertragen gestattet. Ein HF- Generator 10 im Stromkreis 6 wird mittels des Reglers 6.1 bezüglich seiner abgegebenen Leistung so geregelt, dass im Metallkern 2.2 der gewünschte Zeit-Temperatur-Verlauf ent­ steht. Die aktuelle Temperatur des Metallkerns 2.2 wird durch den Thermofühler 6.2 gemes­ sen und die entsprechende elektrische Größe dem Regler 6.1 zugeführt.

Claims (1)

1. Verfahren zur Herstellung von Metall-Kunststoff-Verbundelementen für einen ballistischen Grill für Panzerfahrzeuge, bestehend jeweils aus einem winkelförmig profilierten Metallkern und beidseitigen Kunststoffauflagen, wobei die Kunststoffauflagen in einem entsprechenden aus Ober- und Unterform bestehenden Formelement mittels Einwirkung von thermischer Energie und Druckbeaufschlagung mit dem profilierten Metallkern verklebt werden, dadurch gekennzeichnet, dass der winkelförmig profilierte Metallkern durch einen geregelten Stromdurchgang mittels einer induktiven Erwärmung des Metallkerns durch einen in das Formelement integrierten Induktor elektrisch auf eine vorbestimmte Prozesstemperatur er­ wärmt wird, wobei die entstandene Wärme zum definierten Aufschmelzen des Klebemittels zwischen Metallkern und den mit ihm zu verbindenden Kunststoffauflagen benutzt wird.
DE1997121378 1997-05-22 1997-05-22 Verfahren zur Herstellung von Metall-Kunststoff-Verbundelementen Expired - Fee Related DE19721378C2 (de)

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DE1997121378 DE19721378C2 (de) 1997-05-22 1997-05-22 Verfahren zur Herstellung von Metall-Kunststoff-Verbundelementen
DE59802293T DE59802293D1 (de) 1997-05-22 1998-02-19 Verfahren zur Herstellung von Metall-Kunststoff-Verbundelementen
AT98102851T ATE210029T1 (de) 1997-05-22 1998-02-19 Verfahren zur herstellung von metall-kunststoff- verbundelementen
EP19980102851 EP0879725B1 (de) 1997-05-22 1998-02-19 Verfahren zur Herstellung von Metall-Kunststoff-Verbundelementen
KR1019980011053A KR100256278B1 (ko) 1997-05-22 1998-03-30 금속-플라스틱-연결 부재의 제조 방법
SG9800831A SG91799A1 (en) 1997-05-22 1998-04-09 Method of producing the composite metal-and-plastic components of an antiballistic grill for an armored vehicle
CA 2248499 CA2248499C (en) 1997-05-22 1998-04-20 Method for producing metal-plastic connecting elements
US09/066,205 US6174398B1 (en) 1997-05-22 1998-04-24 Method of producing the composite metal-and-plastic components of an antiballistic grill for an armored vehicle
IN881CA1998 IN192289B (de) 1997-05-22 1998-05-15
JP13653698A JP2975005B2 (ja) 1997-05-22 1998-05-19 金属／プラスチック複合部材の製造方法
ARP980102338 AR010165A1 (es) 1997-05-22 1998-05-20 Procedimiento para fabricar elementos compuestos de metal-plastico
AU67983/98A AU706539B2 (en) 1997-05-22 1998-05-20 Process for the manufacture of metal-plastic bonding elements
TR1998/00899A TR199800899A2 (xx) 1997-05-22 1998-05-20 Z�rhl� bir ara� i�in bir anti-balistik �zgaran�n karma metal ve plastik komponentlerini �retme y�ntemi.
BR9801549A BR9801549A (pt) 1997-05-22 1998-05-21 Processo para a produ-Æo de elementos compostos de metal pl stico

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US8480839B2 (en) 2002-05-22 2013-07-09 Anvis Deutschland Gmbh Method for manufacturing composite systems made of metal and polymer shaped parts
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JP2975005B2 (ja) 1999-11-10
CA2248499A1 (en) 1998-11-22
DE59802293D1 (de) 2002-01-17
DE19721378A1 (de) 1998-11-26
KR100256278B1 (ko) 2000-05-15
ATE210029T1 (de) 2001-12-15
EP0879725B1 (de) 2001-12-05
EP0879725A3 (de) 1999-11-03
KR19980086555A (ko) 1998-12-05
TR199800899A3 (tr) 1999-10-21
TR199800899A2 (xx) 1999-10-21
AU706539B2 (en) 1999-06-17
JPH10329266A (ja) 1998-12-15
US6174398B1 (en) 2001-01-16
IN192289B (de) 2004-03-27
BR9801549A (pt) 1999-08-24
EP0879725A2 (de) 1998-11-25
SG91799A1 (en) 2002-10-15
CA2248499C (en) 2001-10-09
AR010165A1 (es) 2000-05-17

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