JPS577320A - Billet warming device for pull-back type indirect extrusion press - Google Patents

Billet warming device for pull-back type indirect extrusion press

Info

Publication number
JPS577320A
JPS577320A JP8077980A JP8077980A JPS577320A JP S577320 A JPS577320 A JP S577320A JP 8077980 A JP8077980 A JP 8077980A JP 8077980 A JP8077980 A JP 8077980A JP S577320 A JPS577320 A JP S577320A
Authority
JP
Japan
Prior art keywords
billet
space
stationary platen
extrusion press
pull
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
JP8077980A
Other languages
Japanese (ja)
Other versions
JPS6115766B2 (en
Inventor
Akira Asari
Toshio Kurosaki
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP8077980A priority Critical patent/JPS577320A/en
Priority to US06/272,019 priority patent/US4379398A/en
Priority to EP81302601A priority patent/EP0042260B1/en
Priority to DE8181302601T priority patent/DE3163606D1/en
Publication of JPS577320A publication Critical patent/JPS577320A/en
Publication of JPS6115766B2 publication Critical patent/JPS6115766B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
    • B21C29/006—Gas treatment of work, e.g. to prevent oxidation or to create surface effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)

Abstract

PURPOSE: To prevent a billet from cooling in an extrusion press, to adjust the billet temperature, and to prevent the billet surface from oxidation, by installing a waiting space for billets to be extruded, in a stationary platen of a pull-back type indirect extrusion press, and by providing a billet heating element in the said waiting space.
CONSTITUTION: A pull-back type indirect extrusion press is constituted as follows; a couple of mobile platens 1, 2 are arranged on each side of a stationary platen 22 and are connected with each other with tie-rods 3, 3'; main driving cylinders 4, 4' are installed between the stationary platen 22 and mobile platens 1, 2; a space between one mobile platen 2 and the stationary platen 22 is for a billet feeding zone, and a space between another mobile platen 1 and the stationary platen 22 is for an extrusion zone. A waiting space 31 for billets to be extruded is provided with a heating element 29; this waiting space 31 is installed in the stationary platen 22; a billet 18 is heated and warmed by the heating elements 29 within the waiting space 31. In some cases, a gas inlet is provided in the space 31 in order to introduce an antioxidant gas for preventing the billet from oxidation.
COPYRIGHT: (C)1982,JPO&Japio
JP8077980A 1980-06-12 1980-06-12 Billet warming device for pull-back type indirect extrusion press Granted JPS577320A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8077980A JPS577320A (en) 1980-06-12 1980-06-12 Billet warming device for pull-back type indirect extrusion press
US06/272,019 US4379398A (en) 1980-06-12 1981-06-09 Pull-back type indirect extrusion press
EP81302601A EP0042260B1 (en) 1980-06-12 1981-06-11 Pull-back type indirect extrusion press
DE8181302601T DE3163606D1 (en) 1980-06-12 1981-06-11 Pull-back type indirect extrusion press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8077980A JPS577320A (en) 1980-06-12 1980-06-12 Billet warming device for pull-back type indirect extrusion press

Publications (2)

Publication Number Publication Date
JPS577320A true JPS577320A (en) 1982-01-14
JPS6115766B2 JPS6115766B2 (en) 1986-04-25

Family

ID=13727921

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8077980A Granted JPS577320A (en) 1980-06-12 1980-06-12 Billet warming device for pull-back type indirect extrusion press

Country Status (1)

Country Link
JP (1) JPS577320A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6082597U (en) * 1983-10-12 1985-06-07 株式会社荏原製作所 Pressurized transfer device in waterways
WO2005071945A1 (en) * 2004-01-22 2005-08-04 Ssd Company Limited An image pickup apparatus and an object

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6082597U (en) * 1983-10-12 1985-06-07 株式会社荏原製作所 Pressurized transfer device in waterways
JPS628396Y2 (en) * 1983-10-12 1987-02-26
WO2005071945A1 (en) * 2004-01-22 2005-08-04 Ssd Company Limited An image pickup apparatus and an object

Also Published As

Publication number Publication date
JPS6115766B2 (en) 1986-04-25

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