AT375031B - METHOD AND DEVICE FOR AVOIDING UNDESIRABLE SHEAR STRESSES ON THE PIN, AND WORKPIECE IN COLD FORGING MACHINES WITH A ROTATING ANVOLS DIE - Google Patents

METHOD AND DEVICE FOR AVOIDING UNDESIRABLE SHEAR STRESSES ON THE PIN, AND WORKPIECE IN COLD FORGING MACHINES WITH A ROTATING ANVOLS DIE

Info

Publication number
AT375031B
AT375031B AT0429481A AT429481A AT375031B AT 375031 B AT375031 B AT 375031B AT 0429481 A AT0429481 A AT 0429481A AT 429481 A AT429481 A AT 429481A AT 375031 B AT375031 B AT 375031B
Authority
AT
Austria
Prior art keywords
anvols
workpiece
die
pin
rotating
Prior art date
Application number
AT0429481A
Other languages
German (de)
Other versions
ATA429481A (en
Inventor
Ivan Ramnesten
Original Assignee
Foerenade Fabriksverken
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20341913&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AT375031(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Foerenade Fabriksverken filed Critical Foerenade Fabriksverken
Publication of ATA429481A publication Critical patent/ATA429481A/en
Application granted granted Critical
Publication of AT375031B publication Critical patent/AT375031B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces
    • 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
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/152—Making rifle and gunbarrels
    • B21C37/153—Making tubes with inner- and/or outer guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/10—Manipulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
AT0429481A 1980-10-06 1981-10-06 METHOD AND DEVICE FOR AVOIDING UNDESIRABLE SHEAR STRESSES ON THE PIN, AND WORKPIECE IN COLD FORGING MACHINES WITH A ROTATING ANVOLS DIE AT375031B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8006988A SE427992B (en) 1980-10-06 1980-10-06 PROCEDURAL KITCHEN AT MOLDING MACHINE WITH ROTATING SLAUGHTER

Publications (2)

Publication Number Publication Date
ATA429481A ATA429481A (en) 1983-11-15
AT375031B true AT375031B (en) 1984-06-25

Family

ID=20341913

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0429481A AT375031B (en) 1980-10-06 1981-10-06 METHOD AND DEVICE FOR AVOIDING UNDESIRABLE SHEAR STRESSES ON THE PIN, AND WORKPIECE IN COLD FORGING MACHINES WITH A ROTATING ANVOLS DIE

Country Status (3)

Country Link
AT (1) AT375031B (en)
DE (1) DE3139534A1 (en)
SE (1) SE427992B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3517719C2 (en) * 1985-05-17 1994-09-15 Mueller Heinrich Masch Workpiece holder for a feed device in metal forming machines
AT512389B1 (en) * 2012-09-28 2013-08-15 Wfl Millturn Tech Gmbh & Co Kg Machine tool and method for machining a particular forged workpiece
CN106040934A (en) * 2016-07-14 2016-10-26 王剑波 Rotating pulse cold forging unit for steel tube

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1207258A (en) * 1967-12-28 1970-09-30 Commissariat Energie Atomique Method and apparatus for forming threads by reciprocating hammers
US4043173A (en) * 1974-01-21 1977-08-23 Politechnika Warszawska Method of shaping the outer surfaces of objects consisting of deformable materials and device for the application of the method
DE2636636B2 (en) * 1976-08-13 1978-07-13 Fritz Werner Industrie-Ausruestungen Gmbh, 6222 Geisenheim Process and rotary swaging machine for internal profiling of tubular workpieces with one-sided cross-section expansion of the internal profile
DE2818519A1 (en) * 1978-04-27 1979-10-31 Felss Geb Rotating die machine for forging round bars - has motor brake and free wheel drive to increase operating speed
SE419948B (en) * 1977-03-17 1981-09-07 Ake Moritz Hjalmarsson PROCEDURE FOR MANUFACTURING COB NUTS

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1207258A (en) * 1967-12-28 1970-09-30 Commissariat Energie Atomique Method and apparatus for forming threads by reciprocating hammers
US4043173A (en) * 1974-01-21 1977-08-23 Politechnika Warszawska Method of shaping the outer surfaces of objects consisting of deformable materials and device for the application of the method
DE2636636B2 (en) * 1976-08-13 1978-07-13 Fritz Werner Industrie-Ausruestungen Gmbh, 6222 Geisenheim Process and rotary swaging machine for internal profiling of tubular workpieces with one-sided cross-section expansion of the internal profile
SE419948B (en) * 1977-03-17 1981-09-07 Ake Moritz Hjalmarsson PROCEDURE FOR MANUFACTURING COB NUTS
DE2818519A1 (en) * 1978-04-27 1979-10-31 Felss Geb Rotating die machine for forging round bars - has motor brake and free wheel drive to increase operating speed

Also Published As

Publication number Publication date
ATA429481A (en) 1983-11-15
SE427992B (en) 1983-05-30
SE8006988L (en) 1982-04-07
DE3139534A1 (en) 1982-06-09

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee