DE10310828A1 - Heißlufteinheit/Wärmetauscher zum schnellen Bearbeiten von Kunststoffen - Google Patents

Heißlufteinheit/Wärmetauscher zum schnellen Bearbeiten von Kunststoffen Download PDF

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Publication number
DE10310828A1
DE10310828A1 DE2003110828 DE10310828A DE10310828A1 DE 10310828 A1 DE10310828 A1 DE 10310828A1 DE 2003110828 DE2003110828 DE 2003110828 DE 10310828 A DE10310828 A DE 10310828A DE 10310828 A1 DE10310828 A1 DE 10310828A1
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Prior art keywords
hot air
die
individual
heat exchanger
jet
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Dieter Krumpe
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Classifications

    • 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
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/60—Riveting or staking
    • B29C65/606—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking
    • B29C65/607—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking the integral rivets being hollow
    • 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
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • 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
    • B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/349—Cooling the welding zone on the welding spot
    • B29C66/3494—Cooling the welding zone on the welding spot while keeping the welding zone under pressure
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • 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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • 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
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • 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
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B29C66/81429—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth comprising a single tooth
    • 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
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • B29C66/81812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws the welding jaws being cooled from the outside, e.g. by blowing a gas or spraying a liquid
    • 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
    • B29C66/80—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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

Das Bearbeiten von thermoplastischen Kunststoffteilen erfolgt u. a. durch Anblasen mit heißer Luft und anschließendes Formen mit kalten Stempeln. Dabei sind bisher mehrere Arbeitsschritte durch Verfahren der Komponenten oder der Einsatz von ungenauen gefederten Elementen nötig. Dies führt zu langen Bearbeitungszeiten oder ungenügender Qualität der Teile. DOLLAR A Durch die neue Heißlufteinheit, ausgelegt als Wärmetauscher, findet das Anblasen und Formen der Teile in gleicher Achse bei völlig individuell sowie separat regel- und steuerbarer Heißluftdüse und Formstempel statt. DOLLAR A Somit sind sehr schnelle Bearbeitungszeiten bei hoher Qualität möglich. DOLLAR A Ferner erlaubt dieser Aufbau den Einsatz von Kraft- und Wegsensoren zum individuellen Steuern des Arbeitsprozesses über ein elektronisches Proportionalitätsventil. Dadurch wird der mögliche Anwendungsbereich erheblich erweitert und der Nachweis der Prozeßsicherheit über Drucker oder PC-Kommunikation bis hin zur statistischen Auswertung gewährleistet.

Description

  • Es ist bekannt, thermoplastische Kunststoffe durch Anblasen mit heißer Luft und anschließendes Formen mit kalten Stempeln zu bearbeiten. Dabei ist es bisher allerdings nötig, die Bearbeitung in mehreren Arbeitsschritten oder durch gefederte Stempel vorzunehmen.
  • Der im Patentanspruch angegebenen Erfindung liegt das Problem zugrunde, schnelle und reproduzierbare Bearbeitungen mit hoher Qualität zu erzielen.
  • Dieses Problem wird durch die in den Patentansprüchen aufgeführten Merkmalen gelöst.
  • Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben:
    • – Zum Einbau in Fertigungsanlagen besitzt die kompakte Heißlufteinheit eine Basisplatte (1).
    • – Mit einem pneumatischen Linearschlitten (2) wird der Heißluftkopf auf und ab bewegt. Die Fahrgeschwindigkeit ist dabei individuell regelbar.
    • – In ein spezielles Formstück (3) mit Hochleistungsheizband (4) und integrierter Thermorückführung (5) zur elektronischen Temperaturregelung wird separat regelbare Druckluft (6) eingebracht und bis zu max. 600°C erwärmt.
    • – Nach dem Abfahren vom Heißluftkopf auf das zu bearbeitende Kunststoffteil wird über eine aufgeschraubte Düse (7) die erwärmte Druckluft über den Nietschaft geblasen. Die Anblasdauer für das jeweilige Kunststoffteil wird dabei elektronisch geregelt.
    • – Nach Ablauf der Anblaszeit (Nietschaft ist plastifiziert), fährt der auswechselbare Formstempel (8) durch den Pneumatikzylinder mit verdrehgesicherter Kolbenstange (9) und die in Führungsbuchsen (10) gelagerte Druckstange nach unten und nietet das Teil.
    • – Durch separat regelbare Druckluft (11) wird die Arbeitsstelle gekühlt und dabei verfestigt. Danach fährt die gesamte Heißlufteinheit in die Grundstellung zurück.
  • OPTIONEN (12)
  • Auf Bedarf kann durch Einbau eines Kraft- sowie Wegsensors über ein Proportionalitätsventil der Nietprozess individuell elektronisch gesteuert und protokolliert werden.

Claims (4)

  1. Kompakte Heißlufteinheit, dadurch gekennzeichnet, dass sowohl die Anblasdüse als auch der Formstempel in einer Achse liegen und separat pneumatisch oder motorisch angesteuert werden
  2. Schnelle Bearbeitungszeiten für Kunststoffe, gekennzeichnet durch völlig variables Anblasen und Formen mit regelbarer Heiß- oder Kaltluft
  3. Individuelle Prozeßsteuerung, gekennzeichnet durch Temperatur-Profilregelung bzw. steuerbare Ausströmgeschwindigkeit von Heiß- oder Kaltluft während des Bearbeitungsvorganges
  4. Qualitätssicherung und statistische Auswertung, dadurch gekennzeichnet, dass der Arbeitsprozess über Kraft-, Weg- und Temperaturmeßsensorik elektronisch überwacht und protokolliert wird
DE2003110828 2003-03-08 2003-03-08 Heißlufteinheit/Wärmetauscher zum schnellen Bearbeiten von Kunststoffen Withdrawn DE10310828A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2003110828 DE10310828A1 (de) 2003-03-08 2003-03-08 Heißlufteinheit/Wärmetauscher zum schnellen Bearbeiten von Kunststoffen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2003110828 DE10310828A1 (de) 2003-03-08 2003-03-08 Heißlufteinheit/Wärmetauscher zum schnellen Bearbeiten von Kunststoffen

Publications (1)

Publication Number Publication Date
DE10310828A1 true DE10310828A1 (de) 2004-09-16

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DE2003110828 Withdrawn DE10310828A1 (de) 2003-03-08 2003-03-08 Heißlufteinheit/Wärmetauscher zum schnellen Bearbeiten von Kunststoffen

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104816470A (zh) * 2014-02-03 2015-08-05 凯孚尔有限公司 铆接方法,铆接工具,铆接配件和气囊组件
DE102017105695A1 (de) * 2017-03-16 2018-09-20 Lisa Dräxlmaier GmbH Vorrichtung zum Heißluftnieten
DE102018002085A1 (de) * 2018-03-15 2019-09-19 bdtronic GmbH Verfahren und Vorrichtung zum Vernieten von Bauteilen
DE102013000018B4 (de) 2012-01-25 2020-08-06 bdtronic GmbH Verfahren und Vorrichtung zum Verbinden von Gegenständen sowie deren Verwendung

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013000018B4 (de) 2012-01-25 2020-08-06 bdtronic GmbH Verfahren und Vorrichtung zum Verbinden von Gegenständen sowie deren Verwendung
CN104816470A (zh) * 2014-02-03 2015-08-05 凯孚尔有限公司 铆接方法,铆接工具,铆接配件和气囊组件
CN104816470B (zh) * 2014-02-03 2018-09-21 凯孚尔有限公司 铆接方法，铆接工具，铆接配件和气囊组件
DE102017105695A1 (de) * 2017-03-16 2018-09-20 Lisa Dräxlmaier GmbH Vorrichtung zum Heißluftnieten
DE102018002085A1 (de) * 2018-03-15 2019-09-19 bdtronic GmbH Verfahren und Vorrichtung zum Vernieten von Bauteilen
CN111867815A (zh) * 2018-03-15 2020-10-30 布德特龙尼克有限公司 用于铆接构件的方法及装置
CN111867815B (zh) * 2018-03-15 2023-04-18 布德特龙尼克有限公司 用于铆接构件的方法及装置

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