DE58902725D1 - Steuervorrichtung zur zeitlichen steuerung des fuelldruckes beim fuellen eines presswerkzeugs. - Google Patents

Steuervorrichtung zur zeitlichen steuerung des fuelldruckes beim fuellen eines presswerkzeugs.

Info

Publication number
DE58902725D1
DE58902725D1 DE9090900757T DE58902725T DE58902725D1 DE 58902725 D1 DE58902725 D1 DE 58902725D1 DE 9090900757 T DE9090900757 T DE 9090900757T DE 58902725 T DE58902725 T DE 58902725T DE 58902725 D1 DE58902725 D1 DE 58902725D1
Authority
DE
Germany
Prior art keywords
threshold
pressure
filling
pct
control device
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 - Lifetime
Application number
DE9090900757T
Other languages
English (en)
Inventor
Lutz Beyer
Peter Kluge
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE9090900757T priority Critical patent/DE58902725D1/de
Application granted granted Critical
Publication of DE58902725D1 publication Critical patent/DE58902725D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/005—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
    • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
    • B28B13/021—Feeding the unshaped material to moulds or apparatus for producing shaped articles by fluid pressure acting directly on the material, e.g. using vacuum, air pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063—Control arrangements
    • B28B17/0081—Process control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0286—Trimming

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Presses (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Powder Metallurgy (AREA)
  • Basic Packing Technique (AREA)
  • Hard Magnetic Materials (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Press Drives And Press Lines (AREA)
DE9090900757T 1988-12-30 1989-12-14 Steuervorrichtung zur zeitlichen steuerung des fuelldruckes beim fuellen eines presswerkzeugs. Expired - Lifetime DE58902725D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9090900757T DE58902725D1 (de) 1988-12-30 1989-12-14 Steuervorrichtung zur zeitlichen steuerung des fuelldruckes beim fuellen eines presswerkzeugs.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3844334A DE3844334C1 (de) 1988-12-30 1988-12-30
DE9090900757T DE58902725D1 (de) 1988-12-30 1989-12-14 Steuervorrichtung zur zeitlichen steuerung des fuelldruckes beim fuellen eines presswerkzeugs.
PCT/DE1989/000770 WO1990007406A1 (de) 1988-12-30 1989-12-14 Steuervorrichtung zur zeitlichen steuerung des fülldruckes beim füllen eines presswerkzeugs

Publications (1)

Publication Number Publication Date
DE58902725D1 true DE58902725D1 (de) 1992-12-17

Family

ID=6370535

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3844334A Expired - Lifetime DE3844334C1 (de) 1988-12-30 1988-12-30
DE9090900757T Expired - Lifetime DE58902725D1 (de) 1988-12-30 1989-12-14 Steuervorrichtung zur zeitlichen steuerung des fuelldruckes beim fuellen eines presswerkzeugs.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3844334A Expired - Lifetime DE3844334C1 (de) 1988-12-30 1988-12-30

Country Status (7)

Country Link
US (1) US5164202A (de)
EP (1) EP0451172B1 (de)
JP (1) JPH04502428A (de)
KR (1) KR910700130A (de)
DE (2) DE3844334C1 (de)
ES (1) ES2020059A6 (de)
WO (1) WO1990007406A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4103408A1 (de) * 1991-02-05 1992-08-06 Bosch Gmbh Robert Vorrichtung und verfahren zur herstellung von masshaltigen formkoerpern aus pastoesen massen
DE4328312A1 (de) * 1993-08-23 1995-03-02 Draegerwerk Ag Füllfederhalter mit variablem Füllreservoir zum Druckausgleich zwischen Reservoir und Umgebung
US5766526B1 (en) * 1994-04-20 1999-08-24 Fuji Photo Film Co Ltd Method and apparatus for injection molding
DE4428691A1 (de) * 1994-08-12 1996-02-15 Rexroth Mannesmann Gmbh Regelanordnung für hydraulische Antriebe
DE19536566C1 (de) * 1995-10-02 1997-02-06 Arburg Gmbh & Co Verfahren zur Regelung des Werkzeuginnendrucks an einer zyklisch arbeitenden Maschine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1584543C3 (de) * 1964-11-28 1979-04-05 Laeis-Werke Ag, 5500 Trier Regeleinrichtung an Pressen zum Herstellen von Formungen gleicher Dichte und gleicher Abmessungen
US3642404A (en) * 1968-11-21 1972-02-15 Meiki Seisakusho Kk Injection-molding machine
US3767339A (en) * 1971-11-01 1973-10-23 Hunkar Instr Dev Labor Inc Injection molding control
US3859400A (en) * 1974-01-11 1975-01-07 Cincinnati Milacron Inc Method for injection molding machine automatic control
DE2514009C3 (de) * 1975-03-29 1981-03-12 Robert Bosch Gmbh, 7000 Stuttgart Kunststoff-Spritzgießmaschine mit einer Regelvorrichtung zum Regeln des auf eine Plastifizier- und Einspritzschnecke einwirkenden Hydraulikdruckes
US4060362A (en) * 1975-05-12 1977-11-29 International Business Machines Corporation Injection molding same cycle control
DE2725804C2 (de) * 1977-06-08 1986-07-31 Werner & Pfleiderer, 7000 Stuttgart Verfahren zum Druckaufbau in einer Presse für eine explosive Masse und Schaltanordnung zum Ausüben des Verfahrens
JPS5532006A (en) * 1978-08-25 1980-03-06 Ricoh Co Ltd Hologram information reproducing head
JPS56146741A (en) * 1980-04-18 1981-11-14 Hitachi Ltd Setting of holding time and system therefor
US4376950A (en) * 1980-09-29 1983-03-15 Ampex Corporation Three-dimensional television system using holographic techniques
DE3143550A1 (de) * 1981-11-03 1983-05-11 Gebrüder Netzsch, Maschinenfabrik GmbH & Co, 8672 Selb Presswerkzeug zum herstellen keramischer formlinge aus pulverfoermiger masse
DE3144678A1 (de) * 1981-11-10 1983-05-19 Eugen Dipl.-Ing. 8871 Burtenbach Bühler Verfahren und einrichtung zur herstellung von formlingen aus einer rieselfaehigen masse
DE3347035A1 (de) * 1983-12-24 1985-07-04 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur steuerung des fuelldrucks bei der herstellung von oxidmagneten
JPH06100692B2 (ja) * 1985-10-04 1994-12-12 株式会社フジクラ 光フアイバ画像伝送装置

Also Published As

Publication number Publication date
WO1990007406A1 (de) 1990-07-12
ES2020059A6 (es) 1991-07-16
US5164202A (en) 1992-11-17
JPH04502428A (ja) 1992-05-07
EP0451172B1 (de) 1992-11-11
EP0451172A1 (de) 1991-10-16
KR910700130A (ko) 1991-03-14
DE3844334C1 (de) 1990-06-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee