DE3724996C2 - METHOD FOR QUICKLY FILLING A NARROW SPACE WITH A FLOWABLE RESIN - Google Patents

METHOD FOR QUICKLY FILLING A NARROW SPACE WITH A FLOWABLE RESIN

Info

Publication number
DE3724996C2
DE3724996C2 DE19873724996 DE3724996A DE3724996C2 DE 3724996 C2 DE3724996 C2 DE 3724996C2 DE 19873724996 DE19873724996 DE 19873724996 DE 3724996 A DE3724996 A DE 3724996A DE 3724996 C2 DE3724996 C2 DE 3724996C2
Authority
DE
Germany
Prior art keywords
adhesive
filling
resin
narrow space
ultrasonic vibration
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
DE19873724996
Other languages
German (de)
Other versions
DE3724996A1 (en
Inventor
Ralf Dipl Ing Criens
Helmut Dipl Ing Moll
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to DE19873724996 priority Critical patent/DE3724996C2/en
Publication of DE3724996A1 publication Critical patent/DE3724996A1/en
Application granted granted Critical
Publication of DE3724996C2 publication Critical patent/DE3724996C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/26—Moulds or cores
    • B29C39/34—Moulds or cores for undercut 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/54—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts
    • B29C65/546—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive between pre-assembled parts by gravity, e.g. by pouring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/008—Using vibrations during moulding
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4865—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding containing additives

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Description

Die Erfindung betrifft ein Verfahren zur schnellen Füllung eines engen Raumes mit einem Harz, insbes. mit einem Klebstoff oder Gießharz.The invention relates to a method for rapid filling a narrow space with a resin, especially with a Glue or resin.

Derartige Notwendigkeiten ergeben sich insbesondere bei der Applika­ tion von Klebstoffen in Klebefugen aber auch beim Vergießen von Bauteilen, Körpern, Schaltungen usw. Bei nur einseitig zugäng­ lichen, dünnen Klebefugen ist die kapillarische Füllung ange­ zeigt.Such needs arise in particular in the case of appliqués tion of adhesives in adhesive joints but also when casting Components, bodies, circuits etc. With only one-sided access The capillary filling is suitable for thin, thin adhesive joints shows.

Unter Kapillarität versteht man die Erscheinung, daß eine Flüs­ sigkeit in einer engen Röhre höher oder tiefer steht als die Flüssigkeit in dem größeren Gefäß, in das das offene Röhrchen eintaucht, je nachdem, ob es sich um eine die Rohrwand benetzen­ de oder nicht benetzende Flüssigkeit handelt. Die maximal er­ reichbare Füllhöhe und Füllgeschwindigkeit ist abhängig von der Differenz zwischen der Oberflächenspannung, zum Beispiel des Klebstoffs, und der freien, spezifischen Oberflächenenergie der Fügeteile sowie von der Viskosität des Klebstoffs.Capillarity means the phenomenon that a river liquid in a narrow tube is higher or lower than that Liquid in the larger vessel into which the open tube is located immersed, depending on whether it is a wet the pipe wall de or non-wetting liquid. The maximum he achievable fill level and fill speed depends on the Difference between the surface tension, for example the Adhesive, and the free, specific surface energy of the Joined parts and the viscosity of the adhesive.

Zur Steigerung der Füllhöhe und Füllgeschwindigkeit durch Vis­ kositätserniedrigung werden häufig Fügeteile und/oder ein Harz bzw. der Klebstoff erwärmt. Hierdurch kann aber zum einen die Aushärtereaktion des Klebstoffs beschleunigt werden. Zum ande­ ren ändern sich die geometrischen Abmaße bei Fügeteilen mit un­ terschiedlichen Wärmeausdehnungsverhalten. Bei höher viskosen bzw. gefüllten Klebstoffen ist eine Kapillarfüllung auch bei Erwärmung nur schwer möglich.To increase the filling height and filling speed by Vis Lowers the joint and / or a resin or the adhesive warms up. As a result, however, the The curing reaction of the adhesive can be accelerated. To the other The geometric dimensions of the parts to be joined change with un different thermal expansion behavior. At higher viscous or filled adhesives is also a capillary filling Warming is difficult.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zu konzipieren, um zum Beispiel Füll-, Klebe- oder Vergußvorgänge zu beschleunigen bzw. um sie überhaupt erst ohne Erwärmung zu ermöglichen.The invention is based on the object to design a process to, for example, fill, glue or to accelerate potting processes, or to accelerate them in the first place  without allowing warming.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Vorteilhafte Ausfüh­ rungsformen und Weiterbildungen der Erfindung sind in den Unter­ ansprüchen angegeben.This object is achieved by the features of Claim 1 solved. Advantageous execution Forms and developments of the invention are in the sub claims specified.

Der Effekt nach der Erfindung beruht auf dem struktur-viskosen Viskositätsverhalten von gefüllten bzw. ungefüllten Harzen und Klebstoffen. Die Ultraschall-Energie führt im Klebstoff zu einer sofortigen und erheblichen Viskositätserniedrigung, ohne daß makroskopische Erwärmungen der Fügeteile oder eine beginnen­ de Vernetzungsreaktion zu beobachten sind.The effect according to the invention is based on the structurally viscous Viscosity behavior of filled or unfilled resins and Adhesives. The ultrasound energy leads in the adhesive an immediate and significant reduction in viscosity without that macroscopic heating of the parts to be joined or one begins de crosslinking reaction can be observed.

Die Erfindung wird nachfolgend durch ein Ausführungsbeispiel erläutert.The invention is explained below using an exemplary embodiment.

Die Kapillarfüllung eines Ringspalts von 150 µm Dicke (Da = 1,9 mm, Di = 1,6 mm) und 13 mm Länge konnte mit Ultraschall-An­ regung des Fügeteils bei einem quarzgefüllten Epoxid-Klebstoff (η = 6,7 Pas bei RT) in weniger als 30 Sekunden erreicht werden, während die Füllung bei auf 70°C erwärmten Fügeteilen ohne Ul­ traschallanregung ca. 10 Minuten dauerte. Die Frequenz der Ul­ traschall-Anregung betrug bei diesem Ausführungsbeispiel 20 kHz, die Amplitude ca. 10 µm und die Anpreßkraft der Sonotrode an das Teil ca. 10 N. Die Schwingungsankopplung erfolgte parallel oder in axialer Richtung zum Ringspalt. Zwischen beiden Richtun­ gen war kein Unterschied in der Wirkung feststellbar.The capillary filling of an annular gap 150 µm thick (Da = 1.9 mm, Di = 1.6 mm) and 13 mm length could be done with ultrasound Movement of the part to be joined with a quartz-filled epoxy adhesive (η = 6.7 Pas at RT) can be reached in less than 30 seconds, while the filling with parts to be heated to 70 ° C without ul stimulation lasted about 10 minutes. The frequency of the ul ultrasonic excitation was 20 kHz in this exemplary embodiment, the amplitude approx. 10 µm and the contact pressure of the sonotrode the part approx. 10 N. The vibration coupling took place in parallel or in the axial direction to the annular gap. Between the two directions There was no difference in effect.

Claims (6)

1. Verfahren zur schnellen Füllung eines engen Raumes mit einem fließfähigen Harz, insbesondere mit einem Klebstoff oder Gießharz, bei dem der Füllvorgang (Klebe- oder Vergießvorgang) unter dem Einfluß einer Ultraschallschwingung erfolgt.1. Procedure for quickly filling a narrow space with a flowable resin, in particular with an adhesive or Casting resin, in which the filling process (adhesive or casting process) takes place under the influence of an ultrasonic vibration. 2. Verfahren nach Anspruch 1, dadurch gekenn­ zeichnet, daß die von einer Sonotrode ausgehende Ultra­ schallschwingung von der Begrenzung des Raumes (Fügeteile, Guß­ form) ausgeht.2. The method according to claim 1, characterized shows that the Ultra sound vibration from the confinement of the space (joining parts, casting form). 3. Verfahren nach Anspruch 1, dadurch gekenn­ zeichnet, daß die Ultraschallschwingung in das Harz eingekoppelt ist.3. The method according to claim 1, characterized records that the ultrasonic vibration in the resin is coupled. 4. Verfahren nach Anspruch 3, dadurch gekenn­ zeichnet, daß die Ultraschallschwingung das Harzre­ servoir anregt.4. The method according to claim 3, characterized records that the ultrasonic vibration the Harzre stimulates the servoir. 5. Verfahren nach einem der Ansprüche 1 bis 4, zur schnellen Füllung eines vorzugsweise zwischen zwei zylindrischen Teilen gebildeten Ringspaltes mit einem Klebstoff, dadurch gekennzeichnet, daß die Schwingungsankopplung parallel oder in axialer Richtung zum Ringspalt erfolgt.5. The method according to any one of claims 1 to 4, for rapid Filling one preferably between two cylindrical parts formed annular gap with an adhesive, thereby characterized that the vibration coupling parallel or in the axial direction to the annular gap. 6. Anwendung des Verfahrens nach einem der Ansprüche 1 bis 5 zur kapillarischen Füllung einer dünnen Fuge mit Klebstoff.6. Application of the method according to one of claims 1 to 5 for capillary filling of a thin joint with adhesive.
DE19873724996 1987-07-28 1987-07-28 METHOD FOR QUICKLY FILLING A NARROW SPACE WITH A FLOWABLE RESIN Expired - Fee Related DE3724996C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873724996 DE3724996C2 (en) 1987-07-28 1987-07-28 METHOD FOR QUICKLY FILLING A NARROW SPACE WITH A FLOWABLE RESIN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873724996 DE3724996C2 (en) 1987-07-28 1987-07-28 METHOD FOR QUICKLY FILLING A NARROW SPACE WITH A FLOWABLE RESIN

Publications (2)

Publication Number Publication Date
DE3724996A1 DE3724996A1 (en) 1989-02-09
DE3724996C2 true DE3724996C2 (en) 1993-11-04

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ID=6332538

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873724996 Expired - Fee Related DE3724996C2 (en) 1987-07-28 1987-07-28 METHOD FOR QUICKLY FILLING A NARROW SPACE WITH A FLOWABLE RESIN

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DE (1) DE3724996C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4533358B2 (en) 2005-10-18 2010-09-01 キヤノン株式会社 Imprint method, imprint apparatus and chip manufacturing method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD36104A (en) *
DE876909C (en) * 1944-02-06 1953-05-18 Siemens Ag Process and injection molding device for the production of moldings from organic, powdery molding compounds
GB1395468A (en) * 1972-08-26 1975-05-29 Nippon Steel Corp Method and apparatus for forming by vibration a refractory lining of a container for a molten metal

Also Published As

Publication number Publication date
DE3724996A1 (en) 1989-02-09

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OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee