JPS54121902A - Method for stamping out sector cores from band-shaped material - Google Patents
Method for stamping out sector cores from band-shaped materialInfo
- Publication number
- JPS54121902A JPS54121902A JP2872678A JP2872678A JPS54121902A JP S54121902 A JPS54121902 A JP S54121902A JP 2872678 A JP2872678 A JP 2872678A JP 2872678 A JP2872678 A JP 2872678A JP S54121902 A JPS54121902 A JP S54121902A
- Authority
- JP
- Japan
- Prior art keywords
- arc portions
- cores
- sector cores
- band
- sector
- 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
Links
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
PURPOSE: To stamp out sector cores from a band-shaped core material with improved yield, by stamping them out in such a manner that the arc portions of the sector cores are disposed along the feed direction of the core material and the inner arc portions and the outer arc portions of the sector cores are alternately disposed on the opposite sides.
CONSTITUTION: A wide band-shaped core material 9 is fed to a stamping die 10 through a roll-feeder 14 and sector cores 11 are stamped out in such a manner that their arc portions are disposed along the feed direction of the material and the inner arc portions and the outer arc portions of the sector cores are alternately disposed on the opposite sides. Then, scraps 12 and 13 are punched off by a scrap-press punch 15 and the remainder material 19 is taken up by a winder 16, then the remainder material is fed again to the stamping die 10 to be stamped out a plurality of columns of sector cores 11. Thus, the yield of sector cores stamped out from the band-shaped core material can be impreved.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2872678A JPS54121902A (en) | 1978-03-15 | 1978-03-15 | Method for stamping out sector cores from band-shaped material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2872678A JPS54121902A (en) | 1978-03-15 | 1978-03-15 | Method for stamping out sector cores from band-shaped material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54121902A true JPS54121902A (en) | 1979-09-21 |
Family
ID=12256428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2872678A Pending JPS54121902A (en) | 1978-03-15 | 1978-03-15 | Method for stamping out sector cores from band-shaped material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54121902A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3952060A1 (en) * | 2020-08-03 | 2022-02-09 | Fischer & Kaufmann GmbH & Co. KG | Method for manufacturing a laminated core for a rotor or stator and lamination stack of an electric machine |
-
1978
- 1978-03-15 JP JP2872678A patent/JPS54121902A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3952060A1 (en) * | 2020-08-03 | 2022-02-09 | Fischer & Kaufmann GmbH & Co. KG | Method for manufacturing a laminated core for a rotor or stator and lamination stack of an electric machine |
WO2022028744A1 (en) * | 2020-08-03 | 2022-02-10 | Fischer & Kaufmann Gmbh & Co. Kg | Production method for a lamination stack for a rotor or stator of an electric machine and lamination stack produced in this way |
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