JPS5728647A - Manufacture of self-locking nut - Google Patents

Manufacture of self-locking nut

Info

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
Application number
JP10310780A
Other languages
Japanese (ja)
Inventor
Migi Shimada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUSE RASHI KK
Original Assignee
FUSE RASHI KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FUSE RASHI KK filed Critical FUSE RASHI KK
Priority to JP10310780A priority Critical patent/JPS5728647A/en
Publication of JPS5728647A publication Critical patent/JPS5728647A/en
Pending legal-status Critical Current

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
JP10310780A 1980-07-29 1980-07-29 Manufacture of self-locking nut Pending JPS5728647A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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