JPS6415276A - Method for brazing al materials - Google Patents

Method for brazing al materials

Info

Publication number
JPS6415276A
JPS6415276A JP16836087A JP16836087A JPS6415276A JP S6415276 A JPS6415276 A JP S6415276A JP 16836087 A JP16836087 A JP 16836087A JP 16836087 A JP16836087 A JP 16836087A JP S6415276 A JPS6415276 A JP S6415276A
Authority
JP
Japan
Prior art keywords
materials
brazing
unions
fins
vacuum
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.)
Pending
Application number
JP16836087A
Other languages
Japanese (ja)
Inventor
Miki Nakamura
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.)
Bosch Corp
Original Assignee
Diesel Kiki Co Ltd
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 Diesel Kiki Co Ltd filed Critical Diesel Kiki Co Ltd
Priority to JP16836087A priority Critical patent/JPS6415276A/en
Publication of JPS6415276A publication Critical patent/JPS6415276A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F28D1/0478—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag the conduits having a non-circular cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Coating With Molten Metal (AREA)

Abstract

PURPOSE:To maintain the corrosion proof and brazing property by metallizing or plating a Zn alloy on the surfaces of Al materials and assembling the Al materials temporarily and setting up these in a heating furnace and forming the inside of the furnace to the specific degree of vacuum to heat it up to the melting temperature of brazing filler metal. CONSTITUTION:A heat exchanger main body consists of a tube 1, fins 2 and unions 3 and the tube 1 is molded by extruding the Al materials containing Cu and formed flat on the cross section having paths 1a of media and bent zigzag. The fins 2 are formed in a wave-shape of the Al materials containing Zn and the unions 3 are also formed of the Al materials. The Al materials are assembled temporarily by an assembling device and set up in the heating furnace and heated to the melting temperature of the brazing filler metal with the degree of vacuum of 0.04-0.005 Torr to perform the brazing. By this method, the brazing to satisfy both the corrosion proof and brazing property at the heating treatment stage is made possible and moreover, since flux is not used, the cleaning is not necessary.
JP16836087A 1987-07-06 1987-07-06 Method for brazing al materials Pending JPS6415276A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16836087A JPS6415276A (en) 1987-07-06 1987-07-06 Method for brazing al materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16836087A JPS6415276A (en) 1987-07-06 1987-07-06 Method for brazing al materials

Publications (1)

Publication Number Publication Date
JPS6415276A true JPS6415276A (en) 1989-01-19

Family

ID=15866635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16836087A Pending JPS6415276A (en) 1987-07-06 1987-07-06 Method for brazing al materials

Country Status (1)

Country Link
JP (1) JPS6415276A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5528285A (en) * 1993-04-30 1996-06-18 Casio Computer Co., Ltd. TV telephone system which sends and receives image data to another TV telephone system and having power supply and image display control

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4956859A (en) * 1972-10-05 1974-06-03
JPS57106469A (en) * 1980-12-22 1982-07-02 Ishikawajima Harima Heavy Ind Co Ltd Brazing method and brazing furnace of aluminum

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4956859A (en) * 1972-10-05 1974-06-03
JPS57106469A (en) * 1980-12-22 1982-07-02 Ishikawajima Harima Heavy Ind Co Ltd Brazing method and brazing furnace of aluminum

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5528285A (en) * 1993-04-30 1996-06-18 Casio Computer Co., Ltd. TV telephone system which sends and receives image data to another TV telephone system and having power supply and image display control

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