ZA200103962B - Molding process for the production of plastic parts and device for performing the process. - Google Patents
Molding process for the production of plastic parts and device for performing the process. Download PDFInfo
- Publication number
- ZA200103962B ZA200103962B ZA200103962A ZA200103962A ZA200103962B ZA 200103962 B ZA200103962 B ZA 200103962B ZA 200103962 A ZA200103962 A ZA 200103962A ZA 200103962 A ZA200103962 A ZA 200103962A ZA 200103962 B ZA200103962 B ZA 200103962B
- Authority
- ZA
- South Africa
- Prior art keywords
- plunger
- molding material
- mold cavity
- dosing device
- piston
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 23
- 230000008569 process Effects 0.000 title claims description 22
- 238000000465 moulding Methods 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000004033 plastic Substances 0.000 title claims description 11
- 229920003023 plastic Polymers 0.000 title claims description 11
- 239000012778 molding material Substances 0.000 claims description 72
- 230000004308 accommodation Effects 0.000 claims description 38
- 238000001816 cooling Methods 0.000 claims description 25
- 238000002360 preparation method Methods 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 9
- 238000012546 transfer Methods 0.000 description 9
- 239000000155 melt Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000008602 contraction Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
- B29C2043/3444—Feeding the material to the mould or the compression means using pressurising feeding means located in the mould, e.g. plungers or pistons
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
- B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5875—Measuring, controlling or regulating the material feed to the moulds or mould parts, e.g. controlling feed flow, velocity, weight, doses
- B29C2043/5883—Measuring, controlling or regulating the material feed to the moulds or mould parts, e.g. controlling feed flow, velocity, weight, doses ensuring cavity filling, e.g. providing overflow means
-
- 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
- B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
- B29C2045/025—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity with the transfer plunger surface forming a part of the mould cavity wall at the end of the plunger transfer movement
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1998149452 DE19849452C2 (de) | 1998-10-28 | 1998-10-28 | Dosiervorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200103962B true ZA200103962B (en) | 2002-01-02 |
Family
ID=7885769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200103962A ZA200103962B (en) | 1998-10-28 | 2001-05-16 | Molding process for the production of plastic parts and device for performing the process. |
Country Status (3)
| Country | Link |
|---|---|
| BR (1) | BR9914867A (de) |
| DE (1) | DE19849452C2 (de) |
| ZA (1) | ZA200103962B (de) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1174491B (de) * | 1959-09-11 | 1964-07-23 | Hanning Robert | Stehende Spritzgiessmaschine zur Verarbeitung thermoplastischer Kunststoffe |
| DE69023002D1 (de) * | 1989-10-12 | 1995-11-16 | Seiki Corp | Spritzgiessverfahren und -vorrichtung vom typ mit einer nachdruckkammer. |
| NZ334942A (en) * | 1996-09-05 | 1999-05-28 | Lomold International Ltd | Production of moulded articles and apparatus for producing moulded articles |
-
1998
- 1998-10-28 DE DE1998149452 patent/DE19849452C2/de not_active Expired - Fee Related
-
1999
- 1999-10-27 BR BR9914867-6A patent/BR9914867A/pt not_active IP Right Cessation
-
2001
- 2001-05-16 ZA ZA200103962A patent/ZA200103962B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR9914867A (pt) | 2001-07-17 |
| DE19849452C2 (de) | 2001-08-23 |
| DE19849452A1 (de) | 2000-05-11 |
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