JPS5731433A - Die-forging apparatus - Google Patents

Die-forging apparatus

Info

Publication number
JPS5731433A
JPS5731433A JP10646580A JP10646580A JPS5731433A JP S5731433 A JPS5731433 A JP S5731433A JP 10646580 A JP10646580 A JP 10646580A JP 10646580 A JP10646580 A JP 10646580A JP S5731433 A JPS5731433 A JP S5731433A
Authority
JP
Japan
Prior art keywords
metallic mold
turning
lower metallic
turning levers
lever
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
JP10646580A
Other languages
Japanese (ja)
Other versions
JPS5848254B2 (en
Inventor
Sadao Hara
Eiichi Nakazato
Yuji Igarashi
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works 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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP10646580A priority Critical patent/JPS5848254B2/en
Publication of JPS5731433A publication Critical patent/JPS5731433A/en
Publication of JPS5848254B2 publication Critical patent/JPS5848254B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Forging (AREA)

Abstract

PURPOSE: To minimize the capacity and size of a die-forging apparatus, by constituting the apparatus being able to press down an upper metallic mold being hung and capable of freely moving vertically against an upper ram-head connected to a crosshead onto a lower metallic mold with the aid of turning levers being pivoted respectively at both sides of the lower metallic mold.
CONSTITUTION: When a raw material to be molded 12 is inserted in a lower metallic mold 2 and the crosshead of vertically operating press is moved downward an upper ram 5 and an upper metallic mold 1 are moved downward and four turning levers 3 are tilted inward as being introduced by tapered parts 5a provided on both sides of the upper ram 5, and projected parts 3b of turning levers are brought into contact with movable load plates 8, and each terminal end of the contacting surfaces of the turning levers 3 is finally brought into contact with an upper surface 1a' on the claw of the upper metallic mold 1. In this case, if respective distances from an aexial line at the center of a pivoted pin 4 of the turning lever 3 to each force exerting point at turning lever 3 as well as lower metallic mold 2 is represented as Y, X, a load equivalent to the lever ratio Y/X is exerted onto the lower metallic mold 2.
COPYRIGHT: (C)1982,JPO&Japio
JP10646580A 1980-08-04 1980-08-04 die forging equipment Expired JPS5848254B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10646580A JPS5848254B2 (en) 1980-08-04 1980-08-04 die forging equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10646580A JPS5848254B2 (en) 1980-08-04 1980-08-04 die forging equipment

Publications (2)

Publication Number Publication Date
JPS5731433A true JPS5731433A (en) 1982-02-19
JPS5848254B2 JPS5848254B2 (en) 1983-10-27

Family

ID=14434302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10646580A Expired JPS5848254B2 (en) 1980-08-04 1980-08-04 die forging equipment

Country Status (1)

Country Link
JP (1) JPS5848254B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112719180A (en) * 2020-12-18 2021-04-30 陕西宏远航空锻造有限责任公司 Forming method of large GH4169 alloy disc-shaped forge piece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112719180A (en) * 2020-12-18 2021-04-30 陕西宏远航空锻造有限责任公司 Forming method of large GH4169 alloy disc-shaped forge piece

Also Published As

Publication number Publication date
JPS5848254B2 (en) 1983-10-27

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