GB965280A - A new or improved pressing method and device for cold forming or hot forming workpieces - Google Patents

A new or improved pressing method and device for cold forming or hot forming workpieces

Info

Publication number
GB965280A
GB965280A GB29876/61A GB2987661A GB965280A GB 965280 A GB965280 A GB 965280A GB 29876/61 A GB29876/61 A GB 29876/61A GB 2987661 A GB2987661 A GB 2987661A GB 965280 A GB965280 A GB 965280A
Authority
GB
United Kingdom
Prior art keywords
die
jaws
blank
ram
stage
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.)
Expired
Application number
GB29876/61A
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.)
HERR FRIEDRICH BERNHARD HATEBU
Original Assignee
HERR FRIEDRICH BERNHARD HATEBU
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 HERR FRIEDRICH BERNHARD HATEBU filed Critical HERR FRIEDRICH BERNHARD HATEBU
Publication of GB965280A publication Critical patent/GB965280A/en
Expired 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
    • B21C25/00—Profiling tools for metal extruding
    • 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
    • B21J13/02—Dies or mountings therefor
    • B21J13/025—Dies with parts moving along auxiliary lateral directions
    • 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
    • B21J9/06—Swaging presses; Upsetting presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

965,280. Extruding; forging. F. B. HATE. BUR. Aug. 18, 1961 [Aug. 29, 1960], No. 29876/61. Headings B3H and B3P. A hot or cold blank 20 is pushed into a first die 13 and pressed therefrom between a press ram 17 and a backing member 3 into an adjacent die formed by radially movable die jaws 15 which are opened to permit removal of the pressed workpiece 20<SP>1</SP>, Fig. 5 (not shown). The blank 20 may be sheared from wire or bar in a multi-stage press, heated by mediumfrequency heating apparatus and transferred to a position between the ram 17 and backing member 3, Fig. 1. Die 13 and the radially movable die jaws 15 are supported in a dieholder 8 biased forwardly by springs 9 and movable to the left through a distance b. The blank is first pushed into die 13 by the ram 17. A sleeve 19 then presses the die-holder 8 through distance b and during this movement the jaws 15 are closed automatically by levers 16, Fig. 2 (not shown). A supporting sleeve 6 for the die-holder, biased to the right by stronger springs 7, is them moved to the left through distance a and during this movement the backing member 3 remains stationary causing the blank 20<SP>1</SP> to be pressed between the jaws 15 and over the nose 17<SP>1</SP> of ram 17. Upon its retraction the jaws 15 open automatically to release the workpiece which is retained on the nose 17<SP>1</SP> until stripped therefrom by a stripper sleeve 18, Fig. 5 (not shown). In another embodiment, Figs. 6-8 (not shown), the supporting sleeve 6 is biased forwardly by hydraulic, pneumatic or spring pressure and its right-hand end has a tapered inner surface which cooperates with the tapered outer ends of spring- loaded die jaws. In a further embodiment, Figs. 10, 11, for making chaplets the blanks are headed in the first stage of a multi-stage press and formed with a head on the opposite end in a second stage by the method of the invention, Fig. 11 (not shown). The two die jaws 15 may close independently of each other and at differing times in the pressing operation.
GB29876/61A 1960-08-29 1961-08-18 A new or improved pressing method and device for cold forming or hot forming workpieces Expired GB965280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH0040311 1960-08-29

Publications (1)

Publication Number Publication Date
GB965280A true GB965280A (en) 1964-07-29

Family

ID=7154217

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29876/61A Expired GB965280A (en) 1960-08-29 1961-08-18 A new or improved pressing method and device for cold forming or hot forming workpieces

Country Status (4)

Country Link
CH (1) CH391436A (en)
DE (1) DE1677088B1 (en)
GB (1) GB965280A (en)
NL (2) NL268324A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115722626A (en) * 2022-11-29 2023-03-03 中国第一重型机械股份公司 Combined step extrusion die and forming method

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1627678B1 (en) * 1967-06-20 1971-10-28 Hatebur Ag F B Device for predominantly cold pressing of externally undercut, pre-pressed intermediate pieces
TR18485A (en) * 1973-04-17 1977-02-24 Glaenzer Sa ASSEMBLY FOR SHAPING OF MINERAL PARTS IN COLD
DE102009022086B4 (en) * 2009-05-20 2021-02-18 Neumayer Tekfor Engineering Gmbh Device for forming a compact

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1027383A (en) * 1910-03-31 1912-05-21 American Hardware Corp Head-shaping machine.
CH90356A (en) * 1920-08-10 1921-09-01 Usines Thecla S A Device for hot forging metals.
US2125068A (en) * 1935-11-14 1938-07-26 Westinghouse Air Brake Co Forging die
DE701348C (en) * 1936-01-22 1941-01-14 Edward Shelton Cornell Jr Die press
CH304104A (en) * 1952-01-15 1954-12-31 Schostal Sa Device for holding a blank in a die.
DE1000771B (en) * 1954-03-19 1957-01-17 Bosch Gmbh Robert Device for extrusion of cup-like parts
US2871492A (en) * 1956-07-24 1959-02-03 Waterbury Farrel Foundry & Mac Method of forging a nut blank having a bore with a projecting key

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115722626A (en) * 2022-11-29 2023-03-03 中国第一重型机械股份公司 Combined step extrusion die and forming method
CN115722626B (en) * 2022-11-29 2024-03-26 中国第一重型机械股份公司 Combined step extrusion die and forming method

Also Published As

Publication number Publication date
NL268324A (en) 1900-01-01
CH391436A (en) 1965-04-30
NL132529C (en) 1900-01-01
DE1677088B1 (en) 1969-12-11

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