JPS5756129A - Manufacture of pin - Google Patents
Manufacture of pinInfo
- Publication number
- JPS5756129A JPS5756129A JP12904780A JP12904780A JPS5756129A JP S5756129 A JPS5756129 A JP S5756129A JP 12904780 A JP12904780 A JP 12904780A JP 12904780 A JP12904780 A JP 12904780A JP S5756129 A JPS5756129 A JP S5756129A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- bulge
- groove
- diameter
- pin
- 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 manufacture a pin efficiently and at high material recovery by forming a shaft and a flange-like bulge by pressing a cylindric material, and making a V-groove on the shaft by rolling.
CONSTITUTION: A cylindric material is cut to the length nearly equal to the pin to be manufactured. The cylindric material 1 thus obtained is pressed to form a shaft 2 and a flange-like bulge 3 at its one end. The diameter of the shaft d2 is made smaller than the diameter of material d1, and the diameter of bulge d3 is made greater than d1. The shaft 2 is divided into a longer part 2a on one side of the bulge 3 and a shorter part 2b on the other side. The shorter part of the shaft 2b is passed through a base plate 4 and calked. A V-groove 5 is made by rolling near the outer end of the longer part 2a. A pulley is installed on the shaft 2a and stopped by a ring 6. The inner circumference of the ring 6 is fitted to the V-groove 5.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12904780A JPS5756129A (en) | 1980-09-19 | 1980-09-19 | Manufacture of pin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12904780A JPS5756129A (en) | 1980-09-19 | 1980-09-19 | Manufacture of pin |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5756129A true JPS5756129A (en) | 1982-04-03 |
Family
ID=14999766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12904780A Pending JPS5756129A (en) | 1980-09-19 | 1980-09-19 | Manufacture of pin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5756129A (en) |
-
1980
- 1980-09-19 JP JP12904780A patent/JPS5756129A/en active Pending
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