IT1051838B - DEVICE FOR DRILLING A BLOCK THROUGH A PUNCH IN THE BLOCK HOLDER OF A PRESS TO EXTRUDE METALS - Google Patents

DEVICE FOR DRILLING A BLOCK THROUGH A PUNCH IN THE BLOCK HOLDER OF A PRESS TO EXTRUDE METALS

Info

Publication number
IT1051838B
IT1051838B IT29993/75A IT2999375A IT1051838B IT 1051838 B IT1051838 B IT 1051838B IT 29993/75 A IT29993/75 A IT 29993/75A IT 2999375 A IT2999375 A IT 2999375A IT 1051838 B IT1051838 B IT 1051838B
Authority
IT
Italy
Prior art keywords
block
extrude
punch
drilling
metals
Prior art date
Application number
IT29993/75A
Other languages
Italian (it)
Original Assignee
Schloemann Siemag Ag
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 Schloemann Siemag Ag filed Critical Schloemann Siemag Ag
Application granted granted Critical
Publication of IT1051838B publication Critical patent/IT1051838B/en

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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, bars, tubes
    • B21C23/085—Making tubes
    • 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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/01—Extruding metal; Impact extrusion starting from material of particular form or shape, e.g. mechanically pre-treated
    • 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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/03—Making uncoated products by both direct and backward extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/04—Piercing presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Forging (AREA)
IT29993/75A 1974-12-06 1975-12-05 DEVICE FOR DRILLING A BLOCK THROUGH A PUNCH IN THE BLOCK HOLDER OF A PRESS TO EXTRUDE METALS IT1051838B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742457780 DE2457780A1 (en) 1974-12-06 1974-12-06 ARRANGEMENT FOR PUNCHING A BLOCK USING A PUNCH IN THE DEVICE OF A METAL EXTRUSION PRESS

Publications (1)

Publication Number Publication Date
IT1051838B true IT1051838B (en) 1981-05-20

Family

ID=5932741

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29993/75A IT1051838B (en) 1974-12-06 1975-12-05 DEVICE FOR DRILLING A BLOCK THROUGH A PUNCH IN THE BLOCK HOLDER OF A PRESS TO EXTRUDE METALS

Country Status (6)

Country Link
JP (1) JPS5325829B2 (en)
DE (1) DE2457780A1 (en)
FR (1) FR2293261A1 (en)
GB (1) GB1485328A (en)
IT (1) IT1051838B (en)
SE (1) SE7512366L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165627A (en) * 1977-08-08 1979-08-28 Wean United, Inc. Method and apparatus for closing the end of an extruded tube submerged in water
FR2529484B1 (en) * 1982-07-01 1986-03-21 Secim IMPROVEMENT IN EXTRUSION TUBE SPINNING PROCESSES AND DEVICES
JP5093170B2 (en) * 2009-03-25 2012-12-05 住友金属工業株式会社 Erhard's drilling method and core for Erhard's drilling
CN108927416B (en) * 2018-07-09 2019-07-23 中国兵器工业第五九研究所 A kind of open inner mold backward and forward extrusion combined shaping method

Also Published As

Publication number Publication date
FR2293261B3 (en) 1979-09-21
DE2457780A1 (en) 1976-06-16
GB1485328A (en) 1977-09-08
FR2293261A1 (en) 1976-07-02
JPS5325829B2 (en) 1978-07-28
SE7512366L (en) 1976-06-08
AU8726875A (en) 1977-06-09
JPS5183057A (en) 1976-07-21

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