JPS5644367A - Molding method for laminated core for electric apparatus - Google Patents

Molding method for laminated core for electric apparatus

Info

Publication number
JPS5644367A
JPS5644367A JP11805979A JP11805979A JPS5644367A JP S5644367 A JPS5644367 A JP S5644367A JP 11805979 A JP11805979 A JP 11805979A JP 11805979 A JP11805979 A JP 11805979A JP S5644367 A JPS5644367 A JP S5644367A
Authority
JP
Japan
Prior art keywords
shaft hole
key way
punching
punch
punched
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
JP11805979A
Other languages
Japanese (ja)
Inventor
Kanichi Yamanaka
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11805979A priority Critical patent/JPS5644367A/en
Publication of JPS5644367A publication Critical patent/JPS5644367A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

PURPOSE:To eliminate the unevenness of lamination by a method wherein a blank material, a shaft hole and the key way of the shaft hole portion thereof are successively shifted by a fixed angle in the longitudinal direction of a coiled material and holes are punched and laminated after a solt groove for winding is punched in the next process. CONSTITUTION:When a core material is sent, a punch 2 for punching a shaft hole and a key way punch 6 all fixed to the punch 2 fall, and the punching of the shaft hole and key way is completed. When a upper die rises, signals are transmitted to a pulse motor 3, and the punch 2 for punching the shaft hole is turned at a fixed angle. Punching is successively conducted in the same manner, and a punched plate is obtained which the key way of the shaft hole is successively shifted every fixed angle in the longitudinal direction of a coiled material. A slot groove for winding is punched using the shaft hole and the key way as the reference in the next process, and a core is being laminated. Thus, the deviation of laminating is eliminated, the accuracy of winding work is improved while the unbalance of magnetic flux density, etc. is removed, and electric characteristics can be enhanced.
JP11805979A 1979-09-14 1979-09-14 Molding method for laminated core for electric apparatus Pending JPS5644367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11805979A JPS5644367A (en) 1979-09-14 1979-09-14 Molding method for laminated core for electric apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11805979A JPS5644367A (en) 1979-09-14 1979-09-14 Molding method for laminated core for electric apparatus

Publications (1)

Publication Number Publication Date
JPS5644367A true JPS5644367A (en) 1981-04-23

Family

ID=14726990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11805979A Pending JPS5644367A (en) 1979-09-14 1979-09-14 Molding method for laminated core for electric apparatus

Country Status (1)

Country Link
JP (1) JPS5644367A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9065318B2 (en) 2013-03-14 2015-06-23 Mitsui High-Tec, Inc. Rotor core and method of manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9065318B2 (en) 2013-03-14 2015-06-23 Mitsui High-Tec, Inc. Rotor core and method of manufacturing the same

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