CN106827425A - A kind of PA Plastic valves Shooting Technique - Google Patents
A kind of PA Plastic valves Shooting Technique Download PDFInfo
- Publication number
- CN106827425A CN106827425A CN201710044966.9A CN201710044966A CN106827425A CN 106827425 A CN106827425 A CN 106827425A CN 201710044966 A CN201710044966 A CN 201710044966A CN 106827425 A CN106827425 A CN 106827425A
- Authority
- CN
- China
- Prior art keywords
- time
- shooting technique
- plasticizing
- temperature
- plastic valves
- 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.)
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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
-
- 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
- B29C45/58—Details
- B29C45/60—Screws
-
- 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
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
Abstract
The present invention proposes a kind of PA Plastic valves Shooting Technique, step is made including pretreatment, plasticizing, mold filling, pressurize, cooling, die sinking, the demoulding, annealing, drying and moulding etc., coordinate by the improvement in the parameters such as temperature, pressure and time in the steps such as the pretreatment in technical process, plasticizing, mold filling, pressurize, obtained PA Plastic valves stable performance, size uniform, outward appearance is smooth neat, substantially increase the quality of PA injecting products, and injection cycle is substantially reduced, reduce process costs.
Description
Technical field
The present invention relates to plastic injection technique field, and in particular to a kind of PA Plastic valves Shooting Technique.
Background technology
Injection is a kind of method that industrial products produce moulding, and product can divide usually using rubber injection mold and plastic injection
It is injection moulding die pressing and casting die.Injection (mo(u)lding) machine is that thermoplastic or thermosetting material are utilized into mould for plastics
The main former of variously-shaped plastic products is made, injection moulding is realized by injection machine and mould.But
Also there is certain defect in existing Shooting Technique, such as processing step is complicated, the cycle is long and cost is high in implementation process
Defect, while the final product quality of existing process is not high, it is difficult to meet the making requirement of people.In view of above-mentioned defect, originally set
Meter people, is actively subject to research and innovation, to found a kind of new PA plastic injections technique, it is had more the exploitation value in industry
Value.
The content of the invention
For above-mentioned problem, the present invention proposes a kind of PA Plastic valves Shooting Technique, by technical process
In the step such as pretreatment, plasticizing, mold filling, pressurize in improvement in the parameter such as temperature, pressure and time coordinate, obtained PA modelings
Material valve performance stabilization, size uniform, outward appearance is smooth neat, substantially increases the quality of PA injecting products, and substantially reduce
Injection cycle, reduces process costs.
In order to realize above-mentioned purpose, the present invention uses following technical scheme：
A kind of PA Plastic valves Shooting Technique, comprises the following steps that：
1) pre-process：Mould is heated to 50-55 DEG C, it is standby, PA raw materials are segmented and are preheated, it is standby；
2) plastify：PA raw materials feeding injection machine hopper after preheating is carried out into plastics processing, temperature is 235-260 DEG C, when
Between be 2.5-4s；
3) mold filling：PA raw materials after plasticizing are injected into mould, injection pressure is 87-92MPa, injection time is 3-
4s；
4) pressurize：Dwell pressure is 36-38MPa, and the dwell time is 13-15s；
5) cool down：Cool time is 14-15s；
6) die sinking, the demoulding：Die sinking, demoulding time are 1-3s.
7) anneal：Anneal 30-40min after article removal under the conditions of 80-85 DEG C；
8) drying and moulding：By the product after annealing using vacuum drying, specially 95 DEG C of temperature, time 5-6h.
Preferably, preheating is segmented in pretreatment to be specially first with 80 DEG C of preheating 1h, is then warming up to 90 so that 5 DEG C/h is constant
℃。
Preferably, plasticizing uses screw injection molding machine, and screw slenderness ratio is 22, and screw speed is 190-200r/min, screw rod
Back pressure is 1.8-2.3MPa.
Preferably, the screw diameter is 35mm, and metering segment length is 4.5-4.7 times of screw diameter, transportation section, compression
The intersegmental length ratio of section, metering is 12:3:5.
Preferably, material mouth area temperature is 235-240 DEG C in plasticizing process, and plasticizing zone temperature is 240-260 DEG C, nozzle region temperature
Spend is 245-250 DEG C.
Preferably, product is placed in oil bath during annealing.
Due to using above-mentioned technical scheme, the beneficial effects of the invention are as follows：The present invention include pretreatment, plasticizing, mold filling,
The steps such as pressurize, cooling, die sinking, the demoulding, annealing, drying and moulding, by the pretreatment in technical process, plasticizing, mold filling, guarantor
Improvement in the steps such as pressure in the parameter such as temperature, pressure and time coordinates, and obtained PA Plastic valves stable performance, size is equal
Even, outward appearance is smooth neat, substantially increases the quality of PA injecting products, and substantially reduces injection cycle, reduce technique into
This.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described.Based on embodiments of the invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Embodiment 1：
A kind of PA Plastic valves Shooting Technique, comprises the following steps that：
1) pre-process：Mould is heated to 50 DEG C, standby, by the segmentation preheating of PA raw materials, standby, segmentation preheating is specially first
With 80 DEG C of preheating 1h, then 90 DEG C are warming up to so that 5 DEG C/h is constant；
2) plastify：PA raw materials feeding injection machine hopper after preheating is carried out into plastics processing, temperature is 235-260 DEG C, when
Between be 2.5s, specially material mouth area temperature is 240 DEG C, and plasticizing zone temperature is 245 DEG C, and nozzle region temperature is 245 DEG C, wherein screw rod
Draw ratio is 22, and screw speed is 195r/min, and screw back pressure is 1.8MPa, and screw diameter is 35mm, and metering segment length is spiral shell
4.5 times of shank diameter, the intersegmental length ratio of transportation section, compression section, metering is 12:3:5；
3) mold filling：PA raw materials after plasticizing are injected into mould, injection pressure is 87MPa, injection time is 4s；
4) pressurize：Dwell pressure is 36MPa, and the dwell time is 13s；
5) cool down：Cool time is 14s；
6) die sinking, the demoulding：Die sinking, demoulding time are 2s.
7) anneal：Anneal 35min in being placed in oil under the conditions of 80 DEG C after article removal；
8) drying and moulding：By the product after annealing using vacuum drying, specially 95 DEG C of temperature, time 5.5h.
Embodiment 2：
A kind of PA Plastic valves Shooting Technique, comprises the following steps that：
1) pre-process：Mould is heated to 55 DEG C, standby, by the segmentation preheating of PA raw materials, standby, segmentation preheating is specially first
With 80 DEG C of preheating 1h, then 90 DEG C are warming up to so that 5 DEG C/h is constant；
2) plastify：PA raw materials feeding injection machine hopper after preheating is carried out into plastics processing, temperature is 235-260 DEG C, when
Between be 3s, specially material mouth area temperature be 238 DEG C, plasticizing zone temperature be 245 DEG C, nozzle region temperature be 250 DEG C, wherein screw rod is long
Footpath ratio is 22, and screw speed is 200r/min, and screw back pressure is 2MPa, and screw diameter is 35mm, and metering segment length is that screw rod is straight
4.6 times of footpath, the intersegmental length ratio of transportation section, compression section, metering is 12:3:5；
3) mold filling：PA raw materials after plasticizing are injected into mould, injection pressure is 90MPa, injection time is 4；
4) pressurize：Dwell pressure is 38MPa, and the dwell time is 14s；
5) cool down：Cool time is 15s；
6) die sinking, the demoulding：Die sinking, demoulding time are 3s.
7) anneal：Anneal 40min in being placed in oil under the conditions of 80 DEG C after article removal；
8) drying and moulding：By the product after annealing using vacuum drying, specially 95 DEG C of temperature, time 6h.
Embodiment 3：
A kind of PA Plastic valves Shooting Technique, comprises the following steps that：
1) pre-process：Mould is heated to 55 DEG C, standby, by the segmentation preheating of PA raw materials, standby, segmentation preheating is specially first
With 80 DEG C of preheating 1h, then 90 DEG C are warming up to so that 5 DEG C/h is constant；
2) plastify：Plasticizing：PA raw materials feeding injection machine hopper after preheating is carried out into plastics processing, temperature is 235-260
DEG C, the time is 2.5s, and specially material mouth area temperature is 235 DEG C, and plasticizing zone temperature is 260 DEG C, and nozzle region temperature is 245 DEG C, its
Middle screw slenderness ratio is 22, and screw speed is 190r/min, and screw back pressure is 2.2MPa, and screw diameter is 35mm, measures segment length
It is 4.7 times of screw diameter to spend, and the intersegmental length ratio of transportation section, compression section, metering is 12:3:5；
3) mold filling：PA raw materials after plasticizing are injected into mould, injection pressure is 92MPa, injection time is 3s；
4) pressurize：Dwell pressure is 38MPa, and the dwell time is 15s；
5) cool down：Cool time is 15s；
6) die sinking, the demoulding：Die sinking, demoulding time are 1s.
7) anneal：Anneal 30min in being placed in oil under the conditions of 85 DEG C after article removal；
8) drying and moulding：By the product after annealing using vacuum drying, specially 95 DEG C of temperature, time 5h.
Embodiment 4：
A kind of PA Plastic valves Shooting Technique, comprises the following steps that：
1) pre-process：Mould is heated to 50 DEG C, standby, by the segmentation preheating of PA raw materials, standby, segmentation preheating is specially first
With 80 DEG C of preheating 1h, then 90 DEG C are warming up to so that 5 DEG C/h is constant；
2) plastify：Plasticizing：PA raw materials feeding injection machine hopper after preheating is carried out into plastics processing, temperature is 235-260
DEG C, the time is 4s, and specially material mouth area temperature is 235 DEG C, and plasticizing zone temperature is 240 DEG C, and nozzle region temperature is 250 DEG C, wherein
Screw slenderness ratio is 22, and screw speed is 190r/min, and screw back pressure is 2.3MPa, and screw diameter is 35mm, measures segment length
It it is 4.6 times of screw diameter, the intersegmental length ratio of transportation section, compression section, metering is 12:3:5；
3) mold filling：PA raw materials after plasticizing are injected into mould, injection pressure is 882MPa, injection time is 3s；
4) pressurize：Dwell pressure is 37MPa, and the dwell time is 15s；
5) cool down：Cool time is 13s；
6) die sinking, the demoulding：Die sinking, demoulding time are 2s.
7) anneal：Anneal 35min in being placed in oil under the conditions of 85 DEG C after article removal；
8) drying and moulding：By the product after annealing using vacuum drying, specially 95 DEG C of temperature, time 3h.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (6)
1. a kind of PA Plastic valves Shooting Technique, it is characterised in that comprise the following steps that：
1) pre-process：Mould is heated to 50-55 DEG C, it is standby, PA raw materials are segmented and are preheated, it is standby；
2) plastify：PA raw materials feeding injection machine hopper after preheating is carried out into plastics processing, temperature is 235-260 DEG C, the time is
2.5-4s；
3) mold filling：PA raw materials after plasticizing are injected into mould, injection pressure is 87-92MPa, injection time is 3-4s；
4) pressurize：Dwell pressure is 36-38MPa, and the dwell time is 13-15s；
5) cool down：Cool time is 14-15s；
6) die sinking, the demoulding：Die sinking, demoulding time are 1-3s.
7) anneal：Anneal 30-40min after article removal under the conditions of 80-85 DEG C；
8) drying and moulding：By the product after annealing using vacuum drying, specially 95 DEG C of temperature, time 5-6h.
2. PA Plastic valves Shooting Technique according to claim 1, it is characterised in that：Preheating is segmented in pretreatment to be specially
First with 80 DEG C of preheating 1h, then 90 DEG C are warming up to so that 5 DEG C/h is constant.
3. PA Plastic valves Shooting Technique according to claim 1, it is characterised in that：Plasticizing uses screw injection molding machine, spiral shell
Bar draw ratio is 22, and screw speed is 190-200r/min, and screw back pressure is 1.8-2.3MPa.
4. PA Plastic valves Shooting Technique according to claim 2, it is characterised in that：The screw diameter is 35mm, meter
Amount segment length is 4.5-4.7 times of screw diameter, and the intersegmental length ratio of transportation section, compression section, metering is 12:3:5.
5. PA Plastic valves Shooting Technique according to claim 1, it is characterised in that：Material mouth area temperature is in plasticizing process
235-240 DEG C, plasticizing zone temperature is 240-260 DEG C, and nozzle region temperature is 245-250 DEG C.
6. PA Plastic valves Shooting Technique according to claim 1, it is characterised in that：Product is placed in oil bath during annealing
In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044966.9A CN106827425A (en) | 2017-01-20 | 2017-01-20 | A kind of PA Plastic valves Shooting Technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044966.9A CN106827425A (en) | 2017-01-20 | 2017-01-20 | A kind of PA Plastic valves Shooting Technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106827425A true CN106827425A (en) | 2017-06-13 |
Family
ID=59120681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710044966.9A Pending CN106827425A (en) | 2017-01-20 | 2017-01-20 | A kind of PA Plastic valves Shooting Technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106827425A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054884A (en) * | 2017-12-05 | 2018-05-18 | 江阴市易高机电科技有限公司 | The production technology of connection box for motor |
| CN113021755A (en) * | 2021-02-26 | 2021-06-25 | 苏州可邦自控阀业有限公司 | Production method of fluorine-lined valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021521A (en) * | 1974-07-31 | 1977-05-03 | Basf Aktiengesellschaft | Manufacture of work-hardened wires and profiles |
| FR2280497B3 (en) * | 1974-07-31 | 1978-05-12 | Basf Ag | |
| CN1161901A (en) * | 1997-01-14 | 1997-10-15 | 万华春 | Plastic rigid nail |
| CN1792498A (en) * | 2005-11-29 | 2006-06-28 | 辽宁省轻工科学研究院 | Methd for preparing core of hollow ceramic |
| CN106113379A (en) * | 2016-06-24 | 2016-11-16 | 芜湖恒信汽车内饰制造有限公司 | A kind of Shooting Technique of PA GF30 material radiator bearer |
-
2017
- 2017-01-20 CN CN201710044966.9A patent/CN106827425A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021521A (en) * | 1974-07-31 | 1977-05-03 | Basf Aktiengesellschaft | Manufacture of work-hardened wires and profiles |
| FR2280497B3 (en) * | 1974-07-31 | 1978-05-12 | Basf Ag | |
| CN1161901A (en) * | 1997-01-14 | 1997-10-15 | 万华春 | Plastic rigid nail |
| CN1792498A (en) * | 2005-11-29 | 2006-06-28 | 辽宁省轻工科学研究院 | Methd for preparing core of hollow ceramic |
| CN106113379A (en) * | 2016-06-24 | 2016-11-16 | 芜湖恒信汽车内饰制造有限公司 | A kind of Shooting Technique of PA GF30 material radiator bearer |
Non-Patent Citations (2)
| Title |
|---|
| 卞军、蔺海兰: "《塑料成型原理及工艺》", 31 August 2015, 成都：西南交通大学出版社 * |
| 熊建武: "《塑件成型方案拟定与模具设计》", 28 February 2015, 北京：机械工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054884A (en) * | 2017-12-05 | 2018-05-18 | 江阴市易高机电科技有限公司 | The production technology of connection box for motor |
| CN113021755A (en) * | 2021-02-26 | 2021-06-25 | 苏州可邦自控阀业有限公司 | Production method of fluorine-lined valve |
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Application publication date: 20170613 |
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