JPS5728647A - Manufacture of self-locking nut - Google Patents
Manufacture of self-locking nutInfo
- Publication number
- JPS5728647A JPS5728647A JP10310780A JP10310780A JPS5728647A JP S5728647 A JPS5728647 A JP S5728647A JP 10310780 A JP10310780 A JP 10310780A JP 10310780 A JP10310780 A JP 10310780A JP S5728647 A JPS5728647 A JP S5728647A
- Authority
- JP
- Japan
- Prior art keywords
- nuts
- die
- self
- nut
- locking
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/64—Making machine elements nuts
- B21K1/70—Making machine elements nuts of special shape, e.g. self-locking nuts, wing nuts
- B21K1/707—Self-locking nuts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
PURPOSE: To mass-produce self-locking nuts with an extremely simple operation and an inexpensive cost, by caulking the side face of nuts in a die having the same shape as the nut has, when self-locking nuts are manufactured.
CONSTITUTION: Nuts 2 are delivered into a chute 12 having a width which is smaller than the diameter of the circumscribed circle of the nut and larger than the diameter of the inscribed circle, and moved to a prescribed location with a push rod 3. Then, by pins 4 and 4 which position the nuts, the nuts 2 are fixed to a proper location in a die. After the nuts are fixed, an inserting pin 5 is lowered and pushes the nuts 2 into the die. At the same time, a cam 7 pushes a slide 8 inward by the movement of an arm 6 and a punch holder 9 caulks the side face of the nuts 2 by pushing a punch 10, so that an elastic deformation is suruly generated at the central part of a tapped hole at the inner surface of the nut and self-locking nuts are manufactured. Then, the nuts 2 are separated from the die by lifting up the cam 7, and taken out from the chute 1.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10310780A JPS5728647A (en) | 1980-07-29 | 1980-07-29 | Manufacture of self-locking nut |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10310780A JPS5728647A (en) | 1980-07-29 | 1980-07-29 | Manufacture of self-locking nut |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5728647A true JPS5728647A (en) | 1982-02-16 |
Family
ID=14345389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10310780A Pending JPS5728647A (en) | 1980-07-29 | 1980-07-29 | Manufacture of self-locking nut |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5728647A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63132776A (en) * | 1986-11-22 | 1988-06-04 | Kironii Sangyo Kk | Electrode position detector for welding |
KR20030002584A (en) * | 2001-06-29 | 2003-01-09 | 풍강금속공업 주식회사 | Manufacturing method of lock flange nut removing paint film |
KR100851763B1 (en) * | 2006-12-21 | 2008-08-13 | (주)에이패스 | A machine for menufacturing rock nut |
-
1980
- 1980-07-29 JP JP10310780A patent/JPS5728647A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63132776A (en) * | 1986-11-22 | 1988-06-04 | Kironii Sangyo Kk | Electrode position detector for welding |
KR20030002584A (en) * | 2001-06-29 | 2003-01-09 | 풍강금속공업 주식회사 | Manufacturing method of lock flange nut removing paint film |
KR100851763B1 (en) * | 2006-12-21 | 2008-08-13 | (주)에이패스 | A machine for menufacturing rock nut |
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