BR7905098A - Dispositivo hidraulico de fechamento da forma de maquinas de moldagem por injecao - Google Patents

Dispositivo hidraulico de fechamento da forma de maquinas de moldagem por injecao

Info

Publication number
BR7905098A
BR7905098A BR7905098A BR7905098A BR7905098A BR 7905098 A BR7905098 A BR 7905098A BR 7905098 A BR7905098 A BR 7905098A BR 7905098 A BR7905098 A BR 7905098A BR 7905098 A BR7905098 A BR 7905098A
Authority
BR
Brazil
Prior art keywords
closing
shape
injection molding
hydraulic device
molding machines
Prior art date
Application number
BR7905098A
Other languages
English (en)
Inventor
H Klein
Original Assignee
Boy 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 Boy Gmbh filed Critical Boy Gmbh
Publication of BR7905098A publication Critical patent/BR7905098A/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/032—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters
    • F15B11/0325—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of fluid-pressure converters the fluid-pressure converter increasing the working force after an approach stroke
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/67—Mould opening, closing or clamping devices hydraulic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/214—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being hydrotransformers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/72—Output members, e.g. hydraulic motors or cylinders or control therefor having locking means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/775—Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
BR7905098A 1978-08-09 1979-08-08 Dispositivo hidraulico de fechamento da forma de maquinas de moldagem por injecao BR7905098A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2834895A DE2834895C2 (de) 1978-08-09 1978-08-09 Hydraulische Formschließvorrichtung mit einem Druckübersetzer

Publications (1)

Publication Number Publication Date
BR7905098A true BR7905098A (pt) 1980-04-29

Family

ID=6046597

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7905098A BR7905098A (pt) 1978-08-09 1979-08-08 Dispositivo hidraulico de fechamento da forma de maquinas de moldagem por injecao

Country Status (7)

Country Link
US (1) US4422294A (pt)
JP (1) JPS5527298A (pt)
BR (1) BR7905098A (pt)
DE (1) DE2834895C2 (pt)
FR (1) FR2432932A1 (pt)
GB (1) GB2027809B (pt)
IT (1) IT1165278B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3107004C2 (de) * 1981-02-25 1985-11-28 Krauss-Maffei AG, 8000 München Formschließvorrichtung
JPS60165217A (ja) * 1984-02-08 1985-08-28 Toshiba Mach Co Ltd 射出成形機等の型締方法
DE3726276A1 (de) * 1987-08-07 1989-02-23 Samson Ag Einrichtung zum feinverstellen der werkzeugschneide eines umlaufenden radialstellkopfes
US4987739A (en) * 1989-07-03 1991-01-29 General Motors Corporation Master cylinder with collapsible piston locator
DE4100539A1 (de) * 1991-01-10 1992-07-16 Boy Gmbh Dr Hydraulischer antrieb fuer eine formschliesseinheit einer spritzgiessmaschine
IT1247264B (it) * 1991-02-28 1994-12-12 Carlo Brasca Pressa pneumo-idraulica a corsa controllata
IT1247263B (it) * 1991-02-28 1994-12-12 Carlo Brasca Testa di pressa pneumo-idraulica ad elevata velocita' di azionamento.
JPH07235746A (ja) * 1994-02-22 1995-09-05 Fujitsu Ten Ltd プリント基板の接続構造
DE19523420C1 (de) * 1995-06-28 1996-09-12 Boy Gmbh Dr Hydraulische Formschließvorrichtung für eine Spritzgießmaschine
DE19809666C1 (de) * 1998-03-06 1999-09-23 Boy Gmbh Dr Hydraulische Formschließvorrichtung für eine Spritzgießmaschine
DE19859891A1 (de) 1998-12-23 2000-06-29 Tox Pressotechnik Gmbh Hydropneumatischer Druckübersetzer

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1930155A (en) * 1931-04-06 1933-10-10 Oilgear Co Hydraulic press
DE683046C (de) * 1933-12-14 1939-10-28 Hahn & Kolb Steuerung fuer mit Kolbendruck arbeitende Pressgiessmaschine
US2501108A (en) * 1944-11-02 1950-03-21 Nash Kelvinator Corp Hydraulic brake master cylinder
FR995204A (fr) * 1949-09-12 1951-11-29 Asea Ab Dispositif de serrage
US3084512A (en) * 1958-03-10 1963-04-09 Koehring Co Hydraulic molding machines
DE1130154B (de) * 1958-04-21 1962-05-24 Bussmann K G Maschinenfabrik W Formschliesseinrichtung an hydraulisch betriebenen Spritzgussmaschinen od. dgl.
DE1113805B (de) * 1960-02-12 1961-09-14 Hasenclever & Co Aus zwei gegeneinander bewegbaren, mehrteiligen Haelften bestehende Form, insbesondere fuer Spritzgussmaschinen zur Verarbeitung thermoplastischer Kunststoffe
US3266415A (en) * 1964-06-02 1966-08-16 Basil S Palmer Air-hydraulic ram
FR1504765A (fr) * 1966-10-26 1967-12-08 Faiveley Sa Vérin oléopneumatique à structure étagée
DE1805938C3 (de) * 1968-10-30 1974-02-14 Rich. Hofheinz & Co, 5657 Haan Hydraulischer Formschließzylinder für Spritzgieß- oder Druckgießmaschinen
US3669576A (en) * 1970-06-15 1972-06-13 Caterpillar Tractor Co Fuel priming pump
US3839996A (en) * 1970-08-14 1974-10-08 Automotive Eng Res Inc Internal combustion engine with closed crankcase and intake valve cover operating under vacuum
JPS5215627B1 (pt) * 1971-07-10 1977-05-02
US3942928A (en) * 1973-08-21 1976-03-09 Kelz Norbert R Pressure moulding machines and mould parts therefor

Also Published As

Publication number Publication date
GB2027809A (en) 1980-02-27
JPS5527298A (en) 1980-02-27
FR2432932A1 (fr) 1980-03-07
IT7924817A0 (it) 1979-07-31
DE2834895A1 (de) 1980-03-13
DE2834895C2 (de) 1983-10-20
US4422294A (en) 1983-12-27
GB2027809B (en) 1982-08-11
IT1165278B (it) 1987-04-22
JPS6124973B2 (pt) 1986-06-13
FR2432932B1 (pt) 1984-04-27

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19940808