JPS5756133A - Method for manufacturing piston with projection of englosed compressor - Google Patents
Method for manufacturing piston with projection of englosed compressorInfo
- Publication number
- JPS5756133A JPS5756133A JP13047680A JP13047680A JPS5756133A JP S5756133 A JPS5756133 A JP S5756133A JP 13047680 A JP13047680 A JP 13047680A JP 13047680 A JP13047680 A JP 13047680A JP S5756133 A JPS5756133 A JP S5756133A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- projection
- main body
- projected
- wall section
- 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
Abstract
PURPOSE: To accurately manufacture pistons with projection to be used for enclosed compressors without any afertreatment, by simultaneously forming the projected body and the main body of the piston by one time of working process by cold forging.
CONSTITUTION: After a blank material 10 formed to a discoidal shape is treated by annealing and lubricating, the material 10 is put in a piston forming chamber 4 of a die 3. Then, a plastic deformation is generated in the crude material 10 by advancing ynder pressure a pressure punch 7 by a pressing mechanism, and the circumferential wall section and the top wall section of the main body of piston 13 are formed. A part of the material 10 fills a projection forming chamber 6 made of a heat resisting plate 2, and a projected body 14 having a required dimension and shape is simultaneously formed. After the pressing is completed, the main body of the piston 13 provided with the projected body 14 through which the discharge port of the cylinder head is loosely fitted, on the top end surface with an eccentricity (l), is formed by cold forging. In this way, highly accurate products can be manufactured without requiring any aftertreatment, such as grinding, etc.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13047680A JPS5756133A (en) | 1980-09-19 | 1980-09-19 | Method for manufacturing piston with projection of englosed compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13047680A JPS5756133A (en) | 1980-09-19 | 1980-09-19 | Method for manufacturing piston with projection of englosed compressor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5756133A true JPS5756133A (en) | 1982-04-03 |
Family
ID=15035154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13047680A Pending JPS5756133A (en) | 1980-09-19 | 1980-09-19 | Method for manufacturing piston with projection of englosed compressor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5756133A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60141869A (en) * | 1983-12-29 | 1985-07-26 | Nissin Electric Co Ltd | Method and device for forming film |
JP2016536165A (en) * | 2013-10-14 | 2016-11-24 | ブリュックナー・マシーネンバウ・ゲーエムベーハー・ウント・コー・カーゲー | Transfer device |
-
1980
- 1980-09-19 JP JP13047680A patent/JPS5756133A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60141869A (en) * | 1983-12-29 | 1985-07-26 | Nissin Electric Co Ltd | Method and device for forming film |
JP2016536165A (en) * | 2013-10-14 | 2016-11-24 | ブリュックナー・マシーネンバウ・ゲーエムベーハー・ウント・コー・カーゲー | Transfer device |
US10131085B2 (en) | 2013-10-14 | 2018-11-20 | Brückner Maschinenbau GmbH & Co. KG | Clip transporting unit |
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