CA1150460A - Hydraulic controls for injection unit of injection molding machine - Google Patents
Hydraulic controls for injection unit of injection molding machineInfo
- Publication number
- CA1150460A CA1150460A CA000349428A CA349428A CA1150460A CA 1150460 A CA1150460 A CA 1150460A CA 000349428 A CA000349428 A CA 000349428A CA 349428 A CA349428 A CA 349428A CA 1150460 A CA1150460 A CA 1150460A
- Authority
- CA
- Canada
- Prior art keywords
- hydraulic
- cylinder
- pressure
- valve
- assembly
- 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
Links
- 239000007924 injection Substances 0.000 title claims abstract description 50
- 238000002347 injection Methods 0.000 title claims abstract description 50
- 238000001746 injection moulding Methods 0.000 title claims description 8
- 230000008093 supporting effect Effects 0.000 claims abstract description 48
- 239000012530 fluid Substances 0.000 claims abstract description 32
- 230000004044 response Effects 0.000 claims abstract description 22
- 229940090044 injection Drugs 0.000 claims description 48
- 239000002994 raw material Substances 0.000 claims description 7
- 208000036366 Sensation of pressure Diseases 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims 3
- 230000000712 assembly Effects 0.000 abstract description 20
- 238000000429 assembly Methods 0.000 abstract description 20
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 241001052209 Cylinder Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001080526 Vertica Species 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/82—Hydraulic or pneumatic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2914472.7-16 | 1979-04-10 | ||
| DE2914472A DE2914472C2 (de) | 1979-04-10 | 1979-04-10 | Einspritzeinheit einer Kunststoff-Spritzgießmaschine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1150460A true CA1150460A (en) | 1983-07-26 |
Family
ID=6067976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000349428A Expired CA1150460A (en) | 1979-04-10 | 1980-04-09 | Hydraulic controls for injection unit of injection molding machine |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS55140538A (de) |
| AT (1) | AT370678B (de) |
| CA (1) | CA1150460A (de) |
| DE (1) | DE2914472C2 (de) |
| FR (1) | FR2453722A1 (de) |
| GB (1) | GB2048156B (de) |
| IT (1) | IT1141562B (de) |
| NL (1) | NL8002059A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3447605C1 (de) * | 1984-12-28 | 1986-05-07 | Karl 7298 Loßburg Hehl | Hydraulikeinrichtung fuer die Spritzgiesseinheit einer Kunststoff-Spritzgiessmaschine |
| DE4446412A1 (de) * | 1994-12-23 | 1996-06-27 | Strunz Heinrich Gmbh & Co Kg | Oberlichtelement |
| CN107008875B (zh) * | 2017-04-12 | 2022-07-05 | 宣化钢铁集团有限责任公司 | 实现小方坯连铸机双运行模式的装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7143319U (de) * | 1970-04-25 | 1972-03-16 | Hehl K | Spritzeinheit für eine Spritzgieß maschine zur Verarbeitung von Kunststoffen |
| DE2227133C3 (de) * | 1972-06-03 | 1981-04-30 | Hehl, Karl, 7298 Loßburg | Einspritzeinheit für eine Kunststoff-Spritzgußmaschine |
| DE7046626U (de) * | 1970-12-17 | 1971-03-25 | Stuebbe Maschinenfab Gmbh | Spritzeinheit fur Spritzgießmaschinen |
| DE2528963C2 (de) * | 1975-06-28 | 1983-11-03 | Karl 7298 Loßburg Hehl | Steuervorrichtung für den hydraulischen Kreislauf einer Spritzgießmaschine |
-
1979
- 1979-04-10 DE DE2914472A patent/DE2914472C2/de not_active Expired
-
1980
- 1980-04-01 FR FR8007343A patent/FR2453722A1/fr active Granted
- 1980-04-03 GB GB8011248A patent/GB2048156B/en not_active Expired
- 1980-04-08 NL NL8002059A patent/NL8002059A/nl not_active Application Discontinuation
- 1980-04-08 JP JP4530280A patent/JPS55140538A/ja active Pending
- 1980-04-09 CA CA000349428A patent/CA1150460A/en not_active Expired
- 1980-04-10 AT AT0193980A patent/AT370678B/de not_active IP Right Cessation
- 1980-04-10 IT IT21295/80A patent/IT1141562B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2453722A1 (fr) | 1980-11-07 |
| DE2914472A1 (de) | 1980-10-16 |
| FR2453722B1 (de) | 1984-03-23 |
| JPS55140538A (en) | 1980-11-04 |
| GB2048156A (en) | 1980-12-10 |
| GB2048156B (en) | 1983-02-16 |
| ATA193980A (de) | 1982-09-15 |
| IT8021295A0 (it) | 1980-04-10 |
| DE2914472C2 (de) | 1982-09-16 |
| AT370678B (de) | 1983-04-25 |
| NL8002059A (nl) | 1980-10-14 |
| IT1141562B (it) | 1986-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |