BE904961A - METHOD AND APPARATUS FOR OPERATING CYCLE MONITORING IN THE MANUFACTURE OF PARTS MADE OF SYNTHETIC MATERIAL ACCORDING TO THE COMPRESSION MOLDING SYSTEM. - Google Patents

METHOD AND APPARATUS FOR OPERATING CYCLE MONITORING IN THE MANUFACTURE OF PARTS MADE OF SYNTHETIC MATERIAL ACCORDING TO THE COMPRESSION MOLDING SYSTEM.

Info

Publication number
BE904961A
BE904961A BE0/216810A BE216810A BE904961A BE 904961 A BE904961 A BE 904961A BE 0/216810 A BE0/216810 A BE 0/216810A BE 216810 A BE216810 A BE 216810A BE 904961 A BE904961 A BE 904961A
Authority
BE
Belgium
Prior art keywords
compression molding
manufacture
material according
synthetic material
operating cycle
Prior art date
Application number
BE0/216810A
Other languages
French (fr)
Inventor
M Diaz
Original Assignee
Inoplast Sa
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 Inoplast Sa filed Critical Inoplast Sa
Publication of BE904961A publication Critical patent/BE904961A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/58Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/02Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
    • B29C45/021Plunger drives; Pressure equalizing means for a plurality of transfer plungers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

En vue de s'affranchir de toute contrainte en ce qui concerne l'épaisseur des nervures de renfort des pièces tout en obtenant un aspect de surface parfait pour celles-ci, on capte (en 7) la vitesse de déplacement de l'organe mobile (4) de la presse et lorsqu'on détecte le point 0 de cette vitesse, on réduit la pression exercée sur ledit organe afin de laisser à ce dernier la possibilité de se soulever sous l'effet de la pression interne développée par la polymérisation de la matière. Application du système aux presses de moulage par compression équipées d'un piston de transfert.In order to overcome any constraint with regard to the thickness of the reinforcing ribs of the parts while obtaining a perfect surface appearance for them, the speed of movement of the movable member is captured (at 7) (4) of the press and when point 0 of this speed is detected, the pressure exerted on said member is reduced in order to give the latter the possibility of lifting under the effect of the internal pressure developed by the polymerization of matter. Application of the system to compression molding presses equipped with a transfer piston.

BE0/216810A 1984-06-27 1986-06-19 METHOD AND APPARATUS FOR OPERATING CYCLE MONITORING IN THE MANUFACTURE OF PARTS MADE OF SYNTHETIC MATERIAL ACCORDING TO THE COMPRESSION MOLDING SYSTEM. BE904961A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8410425A FR2566697B1 (en) 1984-06-27 1984-06-27 PROCESS AND APPARATUS FOR OPERATING CYCLE CONTROL IN THE MANUFACTURE OF SYNTHETIC MATERIALS FOLLOWING THE COMPRESSION MOLDING SYSTEM

Publications (1)

Publication Number Publication Date
BE904961A true BE904961A (en) 1986-10-16

Family

ID=9305675

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/216810A BE904961A (en) 1984-06-27 1986-06-19 METHOD AND APPARATUS FOR OPERATING CYCLE MONITORING IN THE MANUFACTURE OF PARTS MADE OF SYNTHETIC MATERIAL ACCORDING TO THE COMPRESSION MOLDING SYSTEM.

Country Status (2)

Country Link
BE (1) BE904961A (en)
FR (1) FR2566697B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05261785A (en) * 1992-03-19 1993-10-12 Nissei Plastics Ind Co Injection molding method and device
US7291298B2 (en) * 2004-07-09 2007-11-06 Husky Injection Molding Systems Ltd. Apparatus and method for injection molding shooting pot wedge feature

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119747B (en) * 1958-11-28 1961-12-14 Paul Boehringer Maschinenfabri Method and device for compacting plastic masses
NL7207024A (en) * 1972-05-25 1973-11-27

Also Published As

Publication number Publication date
FR2566697A1 (en) 1986-01-03
FR2566697B1 (en) 1986-11-28

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INOPLAST

Effective date: 20010630