IT201700023491A1 - Metodo di saldatura laser tra due elementi metallici adiacenti di un avvolgimento statorico con barre rigide per una macchina elettrica - Google Patents

Metodo di saldatura laser tra due elementi metallici adiacenti di un avvolgimento statorico con barre rigide per una macchina elettrica

Info

Publication number
IT201700023491A1
IT201700023491A1 IT102017000023491A IT201700023491A IT201700023491A1 IT 201700023491 A1 IT201700023491 A1 IT 201700023491A1 IT 102017000023491 A IT102017000023491 A IT 102017000023491A IT 201700023491 A IT201700023491 A IT 201700023491A IT 201700023491 A1 IT201700023491 A1 IT 201700023491A1
Authority
IT
Italy
Prior art keywords
adjecting
strict
bars
electric machine
laser welding
Prior art date
Application number
IT102017000023491A
Other languages
English (en)
Inventor
Marco Magri
Antonio Decano
Filippo Masi
Original Assignee
Magneti Marelli Spa
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 Magneti Marelli Spa filed Critical Magneti Marelli Spa
Priority to IT102017000023491A priority Critical patent/IT201700023491A1/it
Publication of IT201700023491A1 publication Critical patent/IT201700023491A1/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • B23K26/26—Seam welding of rectilinear seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/03—Observing, e.g. monitoring, the workpiece
    • B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/32—Bonding taking account of the properties of the material involved
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/0056—Manufacturing winding connections
    • H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
    • H02K15/0081—Connecting winding sections; Forming leads; Connecting leads to terminals for form-wound windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
    • H02K15/0414—Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils
    • H02K15/0421—Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils consisting of single conductors, e.g. hairpins
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B23K2101/38—Conductors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/12—Copper or alloys thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
IT102017000023491A 2017-03-02 2017-03-02 Metodo di saldatura laser tra due elementi metallici adiacenti di un avvolgimento statorico con barre rigide per una macchina elettrica IT201700023491A1 (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT102017000023491A IT201700023491A1 (it) 2017-03-02 2017-03-02 Metodo di saldatura laser tra due elementi metallici adiacenti di un avvolgimento statorico con barre rigide per una macchina elettrica

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000023491A IT201700023491A1 (it) 2017-03-02 2017-03-02 Metodo di saldatura laser tra due elementi metallici adiacenti di un avvolgimento statorico con barre rigide per una macchina elettrica

Publications (1)

Publication Number Publication Date
IT201700023491A1 true IT201700023491A1 (it) 2018-09-02

Family

ID=59521328

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102017000023491A IT201700023491A1 (it) 2017-03-02 2017-03-02 Metodo di saldatura laser tra due elementi metallici adiacenti di un avvolgimento statorico con barre rigide per una macchina elettrica

Country Status (1)

Country Link
IT (1) IT201700023491A1 (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022034033A3 (en) * 2020-08-14 2022-03-24 Corelase Oy Laser welding of metal pin pairs with time-dependent scan pattern and energy input

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09206969A (ja) * 1996-01-31 1997-08-12 Mazda Motor Corp レーザヘリ溶接部材およびその溶接方法
US20130168371A1 (en) * 2010-10-12 2013-07-04 Seiji Furusako Laser welding method
US20140377578A1 (en) * 2011-12-27 2014-12-25 Toyota Jidosha Kabushiki Kaisha Welded structure with at least three laser welded nuggets arranged along a virtual closed curve, and corresponding laser welding method
EP3088124A1 (en) * 2015-04-16 2016-11-02 Magneti Marelli S.p.A. Method of laser welding two adjacent metal elements of a stator winding with rigid bars for an electric machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09206969A (ja) * 1996-01-31 1997-08-12 Mazda Motor Corp レーザヘリ溶接部材およびその溶接方法
US20130168371A1 (en) * 2010-10-12 2013-07-04 Seiji Furusako Laser welding method
US20140377578A1 (en) * 2011-12-27 2014-12-25 Toyota Jidosha Kabushiki Kaisha Welded structure with at least three laser welded nuggets arranged along a virtual closed curve, and corresponding laser welding method
EP3088124A1 (en) * 2015-04-16 2016-11-02 Magneti Marelli S.p.A. Method of laser welding two adjacent metal elements of a stator winding with rigid bars for an electric machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022034033A3 (en) * 2020-08-14 2022-03-24 Corelase Oy Laser welding of metal pin pairs with time-dependent scan pattern and energy input

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