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WO1990009863A1 - Procede de soudage du stator d'un moteur - Google Patents

Procede de soudage du stator d'un moteur Download PDF

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Publication number
WO1990009863A1
WO1990009863A1 PCT/JP1990/000131 JP9000131W WO9009863A1 WO 1990009863 A1 WO1990009863 A1 WO 1990009863A1 JP 9000131 W JP9000131 W JP 9000131W WO 9009863 A1 WO9009863 A1 WO 9009863A1
Authority
WO
WIPO (PCT)
Prior art keywords
welding
motor stator
laser beam
reflection
jig
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.)
Ceased
Application number
PCT/JP1990/000131
Other languages
English (en)
Japanese (ja)
Inventor
Takeji Arai
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.)
Fanuc Corp
Original Assignee
Fanuc Corp
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 Fanuc Corp filed Critical Fanuc Corp
Publication of WO1990009863A1 publication Critical patent/WO1990009863A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B23K26/28—Seam welding of curved planar 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
    • B23K26/20—Bonding
    • B23K26/21—Bonding by welding
    • B23K26/24—Seam welding
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/021—Magnetic cores
    • 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
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys

Definitions

  • the present invention relates to a method for welding a motor stator configured by laminating a plurality of steel plates, and more particularly to a method for welding a motor stator that performs welding using laser light.
  • Fig. 3 (a) shows a conceptual diagram of a conventional motor stator welding method
  • Fig. 3 (b) shows its BB cross-sectional view.
  • the motor stator 10 is formed by laminating a large number of thin silicon steel sheets, and has grooves 11a to 11h on the outer periphery. Apply disc-shaped fastening jigs 12a and 12b to the ends 10a and 10b, and tighten nuts 14a to 14d through bolts 13a and 13b during this time The motor stator 10 is temporarily assembled.
  • the surface of the bead 1 mm has an ⁇ protrusion, which must be polished along the outer periphery of the motor stay. You.
  • FIG. 4 This drawing is a partial plan view of Fig. 3 (a).
  • the bead 17 is dented at the welding start point 18a, and the bead 17 protrudes at the end point 18b. This protruding part must also be polished.
  • the present invention has been made in view of such a point, and an object of the present invention is to provide a motor stator welding method for performing welding by laser light.
  • a method for welding a motor stator constituted by laminating a plurality of steel plates reflection jigs for reflecting laser light are brought into close contact with both ends of the motor stator, and the outer periphery of the motor stator is irradiated with laser light.
  • a motor stay overnight welding method characterized by performing line welding between the steel plates by moving the steel plates in the stacking direction of the steel plates.
  • a reflection jig that reflects laser light is adhered to both ends, and the laser light is irradiated to the outer periphery while moving in the lamination direction of the steel sheet to perform line welding.
  • the reflection jig is not heated by the laser beam, and only the steel plate is welded. In this case, a groove for inserting a welding wire and a welding wire is unnecessary.
  • FIG. 1 (a) is a conceptual diagram of a motor stay overnight welding method according to one embodiment of the present invention.
  • Fig. 1 (b) is a right side view of Fig. 1 (a)
  • Fig. 1 (c) is a sectional view taken along the line A-A of Fig. 1 (a),
  • FIG. 2 is a partial plan view of FIG. 1 (a)
  • Fig. 3 (a) is a conceptual diagram of a conventional motor stator welding method
  • Fig. 3 (b) is a BB sectional view of Fig. 3 (a),.
  • FIG. 4 is a partial plan view of FIG. 3 (a).
  • FIG. 1 (a) is a conceptual diagram of a method for welding a motor stator according to one embodiment of the present invention.
  • FIG. 1 (b) is a right side view thereof, and
  • FIG. 1 (c) is a sectional view taken along line AA. And will be described with reference to these figures.
  • the motor stator 1 is formed by laminating a number of thin silicon steel plates, and its outer peripheral portion is smooth. Disc-shaped fastening jigs 2a and 2b are applied to the ends 1a and 1b, and nuts 4a to 4d are temporarily tightened through bolts 3a and 3b during this time.
  • the reflection jigs 5a and 5b are made of copper, nickel or the like having a high reflectivity to the laser beam and are formed in a cylindrical shape, and are fitted to the outside of the clamping jigs 2a and 2b, respectively.
  • the cylindrical surfaces of the reflection jigs 5a and 5b are not perpendicular to the laser light incident surface but have an inclination of 20 to 45 °, so that the reflected light goes back to the laser output mirror or resonator. Preventing, In this way, the secondary reflection is weak, and it is safe enough to shield the axle.
  • the reflecting jigs 5a and 5b are attached to the spindle 6 of the numerically controlled machine tool so as to be pressed from both sides by other jigs (not shown). And 1b.
  • the laser beam 8 introduced into the processing head 7 is condensed by the condensing lens 7a, radiated from the nozzle 7b to the outer periphery of the motor stator, and the tip of the nozzle 7b is set at the end 1a. And 1b are moved at a speed of about 1 to 1.5 mZ in the Z-axis direction between the points P1 and P2 located outside by ⁇ z.
  • a sufficient penetration depth of 3 to 5 mm is formed between the silicon steel plates of the motor stator 1 and the outer peripheral surface is smoothly line welded.
  • the reflecting jigs 5a and 5b are irradiated with the laser beam 8, but the reflecting jigs 5a and 5b are not heated because of their high reflectivity to the laser beam. Only the silicon steel plate is welded.
  • FIG. This drawing is a partial plan view of FIG. 1 (a), and the bead 9 does not dent at the end 1a and does not flow out of the end 1b. This greatly reduces post-weld polishing.
  • the main shaft 6 shown in Fig. 1 (a) is rotated by a predetermined angle under C-axis control, and the laser beam 8 is irradiated and the nozzle 7b is moved in the same manner. Repeat the number of times.
  • Laser welding reduces distortion after welding because the total amount of energy is small.
  • reflection jigs that reflect laser light are brought into close contact with both ends of a steel plate constituting a motor stator, and the laser light is irradiated to the outer peripheral portion while moving in the stacking direction of the steel plates.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Laser Beam Processing (AREA)

Abstract

Procédé de soudage du stator d'un moteur, constitué par un ensemble de plaques d'acier feuilletées. Des gabarits de réflexion (5a, 5b) servant à réfléchir le faisceau laser sont fixés étroitement à chacune des extrémités (1a, 1b) du stator de moteur (1); on déplace les plaques d'acier dans les sens de la couche feuilletée et on les soude en ligne les unes aux autres, tout en irradiant la circonférence externe du stator de moteur (1) avec un faisceau laser (8). Les gabarits de réflexion (5a, 5b) réfléchissent le faisceau laser (8) mais ne sont pas chauffés, et uniquement des parties des plaques d'acier (1) sont soudées. Par conséquent, les cordons ne sont pas perturbés au commencement et à la fin du soudage, ce qui permet d'obtenir une finition lisse de la circonférence externe.
PCT/JP1990/000131 1989-02-22 1990-02-01 Procede de soudage du stator d'un moteur Ceased WO1990009863A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1042430A JPH02220790A (ja) 1989-02-22 1989-02-22 モータステータの溶接方法
JP1/42430 1989-02-22

Publications (1)

Publication Number Publication Date
WO1990009863A1 true WO1990009863A1 (fr) 1990-09-07

Family

ID=12635847

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1990/000131 Ceased WO1990009863A1 (fr) 1989-02-22 1990-02-01 Procede de soudage du stator d'un moteur

Country Status (2)

Country Link
JP (1) JPH02220790A (fr)
WO (1) WO1990009863A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6249072B1 (en) 1997-10-17 2001-06-19 Seiko Epson Corporation Motor laminated core, method of manufacturing same, motor and ink jet recording device
WO2004030179A1 (fr) * 2002-09-20 2004-04-08 Robert Bosch Gmbh Stator et machine electrique
WO2020084904A1 (fr) * 2018-10-26 2020-04-30 株式会社三井ハイテック Procédé de fabrication de noyau stratifié

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102139413B (zh) * 2010-11-22 2013-08-21 常州市裕成富通电机有限公司 电动车高效永磁直流同步电机定子冲片的焊接工艺
SI24532A (sl) * 2013-11-05 2015-05-29 Nela, Razvojni Center Za Elektroindustrijo In Elektroniko, D.O.O. Adaptivo lasersko spajanje statorskih in rotorskih lamel
JP2017221085A (ja) * 2016-06-10 2017-12-14 東芝産業機器システム株式会社 固定子鉄心の製造方法、固定子鉄心
JP6763796B2 (ja) * 2017-02-02 2020-09-30 東芝産業機器システム株式会社 積層鉄心の製造方法
CN108581209B (zh) * 2018-05-11 2020-04-07 昆山彰盛奈米科技有限公司 一种内径处理机
CN110000471A (zh) * 2019-02-26 2019-07-12 武汉力神动力电池系统科技有限公司 一种激光焊接方法
CN113245704B (zh) * 2021-07-07 2022-03-15 苏州迅镭激光科技有限公司 一种电机定子激光焊接装置的焊接方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5140677B2 (fr) * 1972-07-18 1976-11-05
JPS54124845A (en) * 1978-03-21 1979-09-28 Nippon Denso Co Welding of lamination core

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5140677B2 (fr) * 1972-07-18 1976-11-05
JPS54124845A (en) * 1978-03-21 1979-09-28 Nippon Denso Co Welding of lamination core

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6249072B1 (en) 1997-10-17 2001-06-19 Seiko Epson Corporation Motor laminated core, method of manufacturing same, motor and ink jet recording device
US6448682B2 (en) 1997-10-17 2002-09-10 Seiko Epson Corporation Motor laminated core, method of manufacturing same, motor and ink jet recording device
WO2004030179A1 (fr) * 2002-09-20 2004-04-08 Robert Bosch Gmbh Stator et machine electrique
CN100367630C (zh) * 2002-09-20 2008-02-06 罗伯特·博世有限公司 定子和电机
US7761975B2 (en) 2002-09-20 2010-07-27 Robert Bosch Gmbh Method of making a stator of an electrical machine
WO2020084904A1 (fr) * 2018-10-26 2020-04-30 株式会社三井ハイテック Procédé de fabrication de noyau stratifié
JP2020068622A (ja) * 2018-10-26 2020-04-30 株式会社三井ハイテック 積層鉄心の製造方法
JP7158241B2 (ja) 2018-10-26 2022-10-21 株式会社三井ハイテック 積層鉄心の製造方法

Also Published As

Publication number Publication date
JPH02220790A (ja) 1990-09-03

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