CH527008A - Device for forming workpieces by underwater spark discharge - Google Patents

Device for forming workpieces by underwater spark discharge

Info

Publication number
CH527008A
CH527008A CH383671A CH383671A CH527008A CH 527008 A CH527008 A CH 527008A CH 383671 A CH383671 A CH 383671A CH 383671 A CH383671 A CH 383671A CH 527008 A CH527008 A CH 527008A
Authority
CH
Switzerland
Prior art keywords
spark discharge
forming workpieces
underwater spark
underwater
workpieces
Prior art date
Application number
CH383671A
Other languages
German (de)
Inventor
Schneider Gerd
Joachim-Friedrich Dipl Hammann
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of CH527008A publication Critical patent/CH527008A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/82—Forcing wires, nets or the like partially or completely into the surface of an article, e.g. by cutting and pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/06—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure by shock waves
    • B21D26/10—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure by shock waves generated by evaporation, e.g. of wire, of liquids
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/313—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices with two electrodes, one or two potential barriers, and exhibiting a negative resistance characteristic
    • H03K3/315—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices with two electrodes, one or two potential barriers, and exhibiting a negative resistance characteristic the devices being tunnel diodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Fluid Mechanics (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Resistance Heating (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH383671A 1970-03-18 1971-03-16 Device for forming workpieces by underwater spark discharge CH527008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2012783A DE2012783C3 (en) 1970-03-18 1970-03-18 Device for forming workpieces by underwater spark discharge

Publications (1)

Publication Number Publication Date
CH527008A true CH527008A (en) 1972-08-31

Family

ID=5765407

Family Applications (1)

Application Number Title Priority Date Filing Date
CH383671A CH527008A (en) 1970-03-18 1971-03-16 Device for forming workpieces by underwater spark discharge

Country Status (5)

Country Link
US (1) US3750441A (en)
CH (1) CH527008A (en)
DE (1) DE2012783C3 (en)
FR (1) FR2083363B1 (en)
GB (1) GB1301955A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030329A (en) * 1976-07-12 1977-06-21 Viktor Nikolaevich Chachin Device for electrical discharge forming
AU3581784A (en) * 1984-01-16 1985-07-25 Budd Company, The Fiber-reinforced pultrusion
DE3419816C2 (en) * 1984-05-28 1987-04-30 Dornier System Gmbh, 7990 Friedrichshafen Device for generating high pressures
GB2177539B (en) * 1985-05-20 1989-07-05 Mitsubishi Electric Corp Magnetic shielding system in color television receiver
FR2648076B1 (en) * 1989-06-09 1991-11-15 Boulet D Auria Terlizzi PROFILED SHEATH WIRE, IN PARTICULAR FOR FORMING AN ELECTRO-WELDING INSERT
DE102007023669B4 (en) * 2007-05-22 2010-12-02 Cosma Engineering Europe Ag Ignition device for explosion forming
US8567223B2 (en) * 2009-09-21 2013-10-29 Ford Global Technologies, Llc Method and tool for expanding tubular members by electro-hydraulic forming
US7905129B1 (en) * 2009-09-21 2011-03-15 Ford Global Technologies, Llc Method and tool for contracting tubular members by electro-hydraulic forming before hydroforming
US8534106B2 (en) 2009-10-19 2013-09-17 Ford Global Technologies, Llc Hydromechanical drawing process and machine
US8534107B2 (en) * 2011-06-10 2013-09-17 Ford Global Technologies, Llc Method and apparatus for pulsed forming, punching and trimming of tubular members
US8667823B2 (en) * 2011-09-20 2014-03-11 Ford Global Technologies, Llc Apparatus and method using reduced volume electro-hydraulic chambers for trimming and joining panels
CA2846201C (en) 2013-03-15 2021-04-13 Chevron U.S.A. Inc. Ring electrode device and method for generating high-pressure pulses
DE102016010730A1 (en) 2016-09-07 2018-03-08 Karl Klink Gmbh Apparatus and method for forming sheet metal
RU2690798C1 (en) * 2018-07-18 2019-06-05 Федеральное государственное автономное образовательное учреждение высшего образования "Сибирский федеральный университет" Device for pressing pipes into tube plate
US11648741B2 (en) * 2020-05-19 2023-05-16 The Boeing Company Methods of embedding an elongate susceptor within a thermoplastic body

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3228221A (en) * 1961-09-18 1966-01-11 Aerojet General Co Apparatus for forming material
US3200626A (en) * 1961-12-26 1965-08-17 Gen Electric Electrical explosion forming
CH478604A (en) * 1968-06-24 1969-09-30 Siemens Ag Device for forming workpieces by means of pressure waves

Also Published As

Publication number Publication date
US3750441A (en) 1973-08-07
DE2012783B2 (en) 1973-09-27
GB1301955A (en) 1973-01-04
FR2083363B1 (en) 1974-03-01
FR2083363A1 (en) 1971-12-17
DE2012783C3 (en) 1974-05-09
DE2012783A1 (en) 1971-10-07

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Legal Events

Date Code Title Description
PL Patent ceased