JPS6477437A - Manufacture of iron core for rotary electric machine - Google Patents
Manufacture of iron core for rotary electric machineInfo
- Publication number
- JPS6477437A JPS6477437A JP23236187A JP23236187A JPS6477437A JP S6477437 A JPS6477437 A JP S6477437A JP 23236187 A JP23236187 A JP 23236187A JP 23236187 A JP23236187 A JP 23236187A JP S6477437 A JPS6477437 A JP S6477437A
- Authority
- JP
- Japan
- Prior art keywords
- station
- iron core
- inserting hole
- pilot pin
- manufacture
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000004080 punching Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
PURPOSE:To prevent an iron core from decreasing accuracy between each station, by forming an inserting hole of a pilot pin, a machinery reference, immediately before a block is machined. CONSTITUTION:In the first step of the first block, an inserting hole 11-1 of a pilot pin is formed in punching a prepared hole 12 forming the inside circumference of an iron core to the center position to be formed. In the second step a band steel plate C as the material is delivered to the second station, where a pilot pin 11-2' is inserted into the inserting hole 11-1. With this insertion eight grooves 13 are punched to form in this station. At the same time, in the first station the inserting hole 11-1 of the next pilot pin is formed in punching the same prepared hole 12 at the center position to be formed. In this way, the accumulation of mutual positional error between the inserting hole of the pin along with the movement of station and the shape of work can be prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23236187A JPS6477437A (en) | 1987-09-18 | 1987-09-18 | Manufacture of iron core for rotary electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23236187A JPS6477437A (en) | 1987-09-18 | 1987-09-18 | Manufacture of iron core for rotary electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6477437A true JPS6477437A (en) | 1989-03-23 |
Family
ID=16938007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23236187A Pending JPS6477437A (en) | 1987-09-18 | 1987-09-18 | Manufacture of iron core for rotary electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6477437A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001190048A (en) * | 1999-12-28 | 2001-07-10 | Kuroda Precision Ind Ltd | Punching method for iron core |
| CN110235339A (en) * | 2017-01-25 | 2019-09-13 | 株式会社三井高科技 | The manufacturing method of laminated iron core and the manufacturing device of laminated iron core |
-
1987
- 1987-09-18 JP JP23236187A patent/JPS6477437A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001190048A (en) * | 1999-12-28 | 2001-07-10 | Kuroda Precision Ind Ltd | Punching method for iron core |
| CN110235339A (en) * | 2017-01-25 | 2019-09-13 | 株式会社三井高科技 | The manufacturing method of laminated iron core and the manufacturing device of laminated iron core |
| EP3576264A4 (en) * | 2017-01-25 | 2020-11-25 | Mitsui High-Tec, Inc. | Method for manufacturing laminated iron core and device for manufacturing laminated iron core |
| CN110235339B (en) * | 2017-01-25 | 2022-03-11 | 株式会社三井高科技 | Method and apparatus for manufacturing laminated core |
| US11469652B2 (en) | 2017-01-25 | 2022-10-11 | Mitsui High-Tec, Inc. | Method of manufacturing stacked core and apparatus for manufacturing stacked core |
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