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GB1078913A - High energy rate forming machine - Google Patents

High energy rate forming machine

Info

Publication number
GB1078913A
GB1078913A GB31056/64A GB3105664A GB1078913A GB 1078913 A GB1078913 A GB 1078913A GB 31056/64 A GB31056/64 A GB 31056/64A GB 3105664 A GB3105664 A GB 3105664A GB 1078913 A GB1078913 A GB 1078913A
Authority
GB
United Kingdom
Prior art keywords
ram
gas pressure
chamber
stroke
plunger
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
GB31056/64A
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
Publication of GB1078913A publication Critical patent/GB1078913A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/20—Drives for hammers; Transmission means therefor
    • B21J7/22—Drives for hammers; Transmission means therefor for power hammers
    • B21J7/24—Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • B30B1/38—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure wherein the plungers are operated by pressure of a gas, e.g. steam, air

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Press Drives And Press Lines (AREA)
  • Forging (AREA)
  • Actuator (AREA)

Abstract

1,078,913. Power hammers. KOBE STEEL WORKS Ltd. Aug. 4, 1964 [July 24, 1963], No. 31056/64. Heading B3H. A gas pressure operated power hammer has its ram 2 connected to a piston-rod 5 passing through a closed gas pressure chamber 8 and having an enlarged end portion 10 upon which the gas pressure acts to hold the ram in its raised position. The end portion 10 is a plunger fitting within a cylinder 11 to which the gas pressure is admitted through conduit 151 and valve 16 for initiating the working stroke. After moving through a stroke distance L the gas pressure in chamber 8 acts directly on the portion 10 to produce a high speed movement of the ram. The latter is raised by jacks 17, 18 controlled by valve 19 and when the plunger 10 enters cylinder 11 the gas therein is discharged through conduit 15 and check valve 14. Ram 2 and bed 4 carry co-operating dies 1, 3 for shaping the workpiece 22. In another embodiment, Fig. 2 (not shown), the end of the piston-rod 5 comprises a cylinder fitting over a fixed plunger; the stroke is initiated by the jacks 18 which move the ram downwardly through its initial stroke, and the pressure in the gas chamber may be varied by introducing liquid into the chamber.
GB31056/64A 1963-07-24 1964-08-04 High energy rate forming machine Expired GB1078913A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3925763 1963-07-24

Publications (1)

Publication Number Publication Date
GB1078913A true GB1078913A (en) 1967-08-09

Family

ID=12548071

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31056/64A Expired GB1078913A (en) 1963-07-24 1964-08-04 High energy rate forming machine

Country Status (5)

Country Link
US (1) US3354693A (en)
AT (1) AT250132B (en)
CH (1) CH427507A (en)
DE (1) DE1294329B (en)
GB (1) GB1078913A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427856A (en) * 1966-03-14 1969-02-18 Kobe Steel Ltd High speed returning impact forming machine
US3425261A (en) * 1967-03-09 1969-02-04 Kobe Steel Ltd High speed returning impact forming machine
US3776020A (en) * 1972-06-27 1973-12-04 I Fedosenko High-speed pressing machine
US5686652A (en) * 1996-09-09 1997-11-11 Pfund; Bruce Portable test hammer apparatus
US8904927B1 (en) * 2009-06-18 2014-12-09 Lillian C. Pendleton Pneumatic container compacting apparatus

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE281678C (en) *
US2949096A (en) * 1957-09-13 1960-08-16 Gen Dynamics Corp Pneumatic actuator
US2997025A (en) * 1957-10-17 1961-08-22 Gen Dynamics Corp Externally triggered actuator
GB875572A (en) * 1958-09-24 1961-08-23 Gen Dynamics Corp Dynamic impacting machine
US3138976A (en) * 1958-12-27 1964-06-30 Schloemann Ag Hydraulic forging presses
US2959049A (en) * 1959-04-22 1960-11-08 John L Luttrell Shock tester
DE1145462B (en) * 1959-05-20 1963-03-14 Hydraulik Gmbh Hydraulic forging press in underfloor design
GB921910A (en) * 1960-05-02 1963-03-27 Us Industries Inc High energy, high velocity, impact machine
US3039439A (en) * 1960-06-10 1962-06-19 Gen Dynamics Corp Actuator with set force plunger
US2994302A (en) * 1960-08-04 1961-08-01 Gen Dynamics Corp Pressure release system with valve piston head
US3158048A (en) * 1960-10-25 1964-11-24 Warner Swasey Co Impact machine
US3108503A (en) * 1960-10-31 1963-10-29 Gen Dynamics Corp High energy rate forming machine
FR1296483A (en) * 1961-08-01 1962-06-15 Gen Dynamics Corp Machine exerting shock rates
US3194049A (en) * 1961-10-19 1965-07-13 Eumuco Ag Fur Maschb Top-pressure forging hammer
US3105414A (en) * 1961-12-26 1963-10-01 Gen Dynamics Corp High energy impactor apparatus
US3135140A (en) * 1962-04-19 1964-06-02 Us Industries Inc High-energy impact machine

Also Published As

Publication number Publication date
US3354693A (en) 1967-11-28
CH427507A (en) 1966-12-31
AT250132B (en) 1966-10-25
DE1294329B (en) 1969-05-08

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