CN102516652B - Bus plastic access door material and manufacturing method thereof - Google Patents
Bus plastic access door material and manufacturing method thereof Download PDFInfo
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- CN102516652B CN102516652B CN 201110374716 CN201110374716A CN102516652B CN 102516652 B CN102516652 B CN 102516652B CN 201110374716 CN201110374716 CN 201110374716 CN 201110374716 A CN201110374716 A CN 201110374716A CN 102516652 B CN102516652 B CN 102516652B
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- injection molding
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- Injection Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses a bus plastic access door material and a manufacturing method thereof. The method mainly comprises the following steps of: adding dried and proportioned raw materials into a heated injection molding machine, setting injection pressure, speed, time and glue quantity of different stages of the injection molding machine, setting final protective pressure and protective pressure speed to achieve an optimal injection molding technology, and thus obtaining a final qualified product. The method overcomes the physical property defects of whitening, breakage, poor toughness, low strength and the like when a bus plastic access door is formed by injection molding; and the injection molding technology has stability, the obtained product is stable in quality, the production efficiency is improved, and the production cost is reduced.
Description
Background technology
The present invention relates to a kind of bus plastic access door material and manufacture method thereof, belong to field of automobile.
Background technology
Along with the national economy rapid growth, the Chinese Urbanization step is also in continuous quickening, the quantity owning amount of automobile is also in continuous increase, yet the maintenance of passenger vehicle must be strict and meticulous, and existing passenger car access door structure display is complicated, and is yielding, not only install inconvenient, visual effect is not good, easily has influence on the repair quality of passenger vehicle simultaneously yet, reduces the overhaul efficiency of passenger vehicle.
Summary of the invention
In order to alleviate shortcomings and deficiencies of the prior art, the object of the present invention is to provide a kind of bus plastic access door material and manufacture method thereof, the bus plastic access door product when moulding that the invention solves injection moulding is prone to and draws the physicals defectives such as white, fracture, poor toughness, intensity be low, this Shooting Technique is stable simultaneously, the products obtained therefrom steady quality, improve production efficiency, reduced production cost.
The present invention adopts following technical scheme to achieve these goals:
Bus plastic access door material is characterized in that its constitutive material comprises composition A and composition B, described composition A: polypropylene 88-92 part and CaCO
38-12 part; Composition B: glass fibre 45-55 part, look female 1.5-2.0 part, silane coupling agent 3-5 part, attapulgite 5-10 part and wilkinite 2-3 part.
The manufacture method of described bus plastic access door material is characterized in that comprising the following steps:
(1) with polypropylene and CaCO
3Carry out drying treatment after raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(2) weight part by composition B raw material takes each raw material, carries out drying treatment, and drying temperature is 120-150 ℃, and be 3-5 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(3) two groups of dried starting material are joined in injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 190 ± 5 ℃ of first paragraphs, 185 ± 5 ℃ of second segments, the 3rd section 180 ± 5 ℃, the 4th section 175 ± 5 ℃, the 5th section 170 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-70Mpa, the lower velocity injection of 15-20m/s, and be 2.0-2.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 85-95Mpa, the lower velocity injection of 35-45m/s, and be 2.5-3.5 second inject time, and injection glue amount is to 100% of water port of product;
(6) moulding, the demoulding.
Beneficial effect of the present invention:
The bus plastic access door product when moulding that the invention solves injection moulding is prone to and draws the physicals defectives such as white, fracture, poor toughness, intensity be low, this Shooting Technique is stable simultaneously, the products obtained therefrom steady quality has improved production efficiency, has reduced production cost.
Embodiment
Embodiment 1: bus plastic access door material, its constitutive material comprise composition A and composition B, described composition A: 88 parts of polypropylene and CaCO
38 parts; Composition B: 2 parts of 1.5 parts, 45 parts, glass fibre, look female, 3 parts of silane coupling agents, 5 parts of attapulgites and wilkinites.
The manufacture method of bus plastic access door material comprises the following steps:
(1) with polypropylene and CaCO
3Carry out drying treatment after raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(2) weight part by composition B raw material takes each raw material, carries out drying treatment, and drying temperature is 120-150 ℃, and be 3-5 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(3) two groups of dried starting material are joined in injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 190 ± 5 ℃ of first paragraphs, 185 ± 5 ℃ of second segments, the 3rd section 180 ± 5 ℃, the 4th section 175 ± 5 ℃, the 5th section 170 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-70Mpa, the lower velocity injection of 15-20m/s, and be 2.0-2.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 85-95Mpa, the lower velocity injection of 35-45m/s, and be 2.5-3.5 second inject time, and injection glue amount is to 100% of water port of product;
(6) moulding, the demoulding.
Embodiment 2: bus plastic access door material, its constitutive material comprise composition A and composition B, described composition A: 92 parts of polypropylene and CaCO
312 parts; Composition B: 3 parts of 2.0 parts, 55 parts, glass fibre, look female, 5 parts of silane coupling agents, 10 parts of attapulgites and wilkinites.
The manufacture method of bus plastic access door material comprises the following steps:
(1) with polypropylene and CaCO
3Carry out drying treatment after raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(2) weight part by composition B raw material takes each raw material, carries out drying treatment, and drying temperature is 120-150 ℃, and be 3-5 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(3) two groups of dried starting material are joined in injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 190 ± 5 ℃ of first paragraphs, 185 ± 5 ℃ of second segments, the 3rd section 180 ± 5 ℃, the 4th section 175 ± 5 ℃, the 5th section 170 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-70Mpa, the lower velocity injection of 15-20m/s, and be 2.0-2.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 85-95Mpa, the lower velocity injection of 35-45m/s, and be 2.5-3.5 second inject time, and injection glue amount is to 100% of water port of product;
(6) moulding, the demoulding.
Embodiment 3: the Performance Detection of the bus plastic access door that the present invention makes:
Claims (1)
1. the manufacture method of a bus plastic access door material, is characterized in that its constitutive material comprises composition A and composition B, described composition A: polypropylene 88-92 part and CaCO
38-12 part; Composition B: glass fibre 45-55 part, look female 1.5-2.0 part, silane coupling agent 3-5 part, attapulgite 5-10 part and wilkinite 2-3 part;
Comprise the following steps:
(1) with polypropylene and CaCO
3Carry out drying treatment after raw material ratio, drying temperature is 80-100 ℃, and be 1-2 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(2) weight part by composition B raw material takes each raw material, carries out drying treatment, and drying temperature is 120-150 ℃, and be 3-5 hour time of drying, mixes, and adds dryer, dries 24-28h under 140-160 ℃;
(3) two groups of dried starting material are joined in injection moulding machine;
(4) temperature of injection moulding machine heating zone is set: 190 ± 5 ℃ of first paragraphs, 185 ± 5 ℃ of second segments, the 3rd section 180 ± 5 ℃, the 4th section 175 ± 5 ℃, the 5th section 170 ± 5 ℃;
(5) injection moulding section molding technique parameter:
A, first paragraph adopt the middle pressure of 65-70 Mpa, the lower velocity injection of 15-20m/s, and be 2.0-2.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 85-95 Mpa, the lower velocity injection of 35-45m/s, and be 2.5-3.5 second inject time, and injection glue amount is to 100% of water port of product;
(6) moulding, the demoulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110374716 CN102516652B (en) | 2011-11-23 | 2011-11-23 | Bus plastic access door material and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110374716 CN102516652B (en) | 2011-11-23 | 2011-11-23 | Bus plastic access door material and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102516652A CN102516652A (en) | 2012-06-27 |
| CN102516652B true CN102516652B (en) | 2013-06-26 |
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ID=46287745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110374716 Expired - Fee Related CN102516652B (en) | 2011-11-23 | 2011-11-23 | Bus plastic access door material and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN102516652B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993712B (en) * | 2012-08-17 | 2015-04-22 | 安徽凯迪电气有限公司 | Buckle for foot pad of automobile and manufacture method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423637A (en) * | 2008-12-10 | 2009-05-06 | 长春工业大学 | Saloon car bumper special material capable of direct spray coating |
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2011
- 2011-11-23 CN CN 201110374716 patent/CN102516652B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101423637A (en) * | 2008-12-10 | 2009-05-06 | 长春工业大学 | Saloon car bumper special material capable of direct spray coating |
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|---|---|
| CN102516652A (en) | 2012-06-27 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20151123 |