JPS5785552A - Manufacture of core material of core for rotary electric machine - Google Patents

Manufacture of core material of core for rotary electric machine

Info

Publication number
JPS5785552A
JPS5785552A JP16041980A JP16041980A JPS5785552A JP S5785552 A JPS5785552 A JP S5785552A JP 16041980 A JP16041980 A JP 16041980A JP 16041980 A JP16041980 A JP 16041980A JP S5785552 A JPS5785552 A JP S5785552A
Authority
JP
Japan
Prior art keywords
core
core material
electric machine
punched
rotary electric
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
JP16041980A
Other languages
Japanese (ja)
Inventor
Yoshihiro Ando
Masao Takegami
Yoshinobu Matsuzaki
Akio Ueda
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.)
Denso Corp
Original Assignee
NipponDenso 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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP16041980A priority Critical patent/JPS5785552A/en
Publication of JPS5785552A publication Critical patent/JPS5785552A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
    • H02K15/026—Wound cores

Abstract

PURPOSE:To enhance the quality of a core material of a core for a rotary electric machine by forming bent portions at the prescribed interval when two pectinated core materials are punched from one strip material and dividing it into two at the respective intervals, thereby absorbing the strain at the dividing time. CONSTITUTION:When two pectinated core materials 10, 10' are punched form one strip plate material 20, slits 20 for forming teeth 12 are puched at the first step. Then, the end of the teeth of one core material 10 is punched at the prescribed interval P at the second step to form a cut and bent portion 22 having a step. Scribing lines 24, 25 are drawn between every bent portions 22 to divide the material into two by forming a step 26. In this manner, the strain produced in case of dividing it into two at the third step can be absorbed by the bent portion 22, thereby obtaining a core material of high quality.
JP16041980A 1980-11-13 1980-11-13 Manufacture of core material of core for rotary electric machine Pending JPS5785552A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16041980A JPS5785552A (en) 1980-11-13 1980-11-13 Manufacture of core material of core for rotary electric machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16041980A JPS5785552A (en) 1980-11-13 1980-11-13 Manufacture of core material of core for rotary electric machine

Publications (1)

Publication Number Publication Date
JPS5785552A true JPS5785552A (en) 1982-05-28

Family

ID=15714514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16041980A Pending JPS5785552A (en) 1980-11-13 1980-11-13 Manufacture of core material of core for rotary electric machine

Country Status (1)

Country Link
JP (1) JPS5785552A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1146624A2 (en) * 2000-04-14 2001-10-17 Denso Corporation Stator core of vehicle rotary electric machine and method of manufacturing the same
JP2002171725A (en) * 2000-12-01 2002-06-14 Mitsubishi Electric Corp Manufacturing method for laminated core, and metal mold apparatus to be used for its manufacture
CN104300744A (en) * 2013-07-19 2015-01-21 株式会社三井高科技 Method for manufacturing band-shaped stator core sheets and die apparatus used therefor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1146624A2 (en) * 2000-04-14 2001-10-17 Denso Corporation Stator core of vehicle rotary electric machine and method of manufacturing the same
EP1146624A3 (en) * 2000-04-14 2001-11-21 Denso Corporation Stator core of vehicle rotary electric machine and method of manufacturing the same
US6559572B2 (en) 2000-04-14 2003-05-06 Denso Corporation Stator core of vehicle rotary electric machine and method of manufacturing the same
US7010846B2 (en) 2000-04-14 2006-03-14 Denso Corporation Method of manufacturing stator core of vehicle rotary electric machine
JP2002171725A (en) * 2000-12-01 2002-06-14 Mitsubishi Electric Corp Manufacturing method for laminated core, and metal mold apparatus to be used for its manufacture
CN104300744A (en) * 2013-07-19 2015-01-21 株式会社三井高科技 Method for manufacturing band-shaped stator core sheets and die apparatus used therefor
US9935530B2 (en) 2013-07-19 2018-04-03 Mitsui High-Tec, Inc. Method for manufacturing band-shaped stator core sheets

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