JPS5575837A - Thread rolling method of screw part and device thereof - Google Patents

Thread rolling method of screw part and device thereof

Info

Publication number
JPS5575837A
JPS5575837A JP14930578A JP14930578A JPS5575837A JP S5575837 A JPS5575837 A JP S5575837A JP 14930578 A JP14930578 A JP 14930578A JP 14930578 A JP14930578 A JP 14930578A JP S5575837 A JPS5575837 A JP S5575837A
Authority
JP
Japan
Prior art keywords
blank
dies
collar part
gradually
leg part
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.)
Granted
Application number
JP14930578A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6230059B2 (enExample
Inventor
Masami Zaiki
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.)
Nittoseiko Co Ltd
Original Assignee
Nittoseiko Co Ltd
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 Nittoseiko Co Ltd filed Critical Nittoseiko Co Ltd
Priority to JP14930578A priority Critical patent/JPS5575837A/ja
Publication of JPS5575837A publication Critical patent/JPS5575837A/ja
Publication of JPS6230059B2 publication Critical patent/JPS6230059B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
JP14930578A 1978-11-30 1978-11-30 Thread rolling method of screw part and device thereof Granted JPS5575837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14930578A JPS5575837A (en) 1978-11-30 1978-11-30 Thread rolling method of screw part and device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14930578A JPS5575837A (en) 1978-11-30 1978-11-30 Thread rolling method of screw part and device thereof

Publications (2)

Publication Number Publication Date
JPS5575837A true JPS5575837A (en) 1980-06-07
JPS6230059B2 JPS6230059B2 (enExample) 1987-06-30

Family

ID=15472231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14930578A Granted JPS5575837A (en) 1978-11-30 1978-11-30 Thread rolling method of screw part and device thereof

Country Status (1)

Country Link
JP (1) JPS5575837A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62118932A (ja) * 1985-08-27 1987-05-30 Mitsuhiro Shudo ねじの製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62118932A (ja) * 1985-08-27 1987-05-30 Mitsuhiro Shudo ねじの製造方法

Also Published As

Publication number Publication date
JPS6230059B2 (enExample) 1987-06-30

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