CN104441401A - Free-spraying metallic-luster injection molding process for car interior trim parts and exterior parts - Google Patents
Free-spraying metallic-luster injection molding process for car interior trim parts and exterior parts Download PDFInfo
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- CN104441401A CN104441401A CN201410620477.XA CN201410620477A CN104441401A CN 104441401 A CN104441401 A CN 104441401A CN 201410620477 A CN201410620477 A CN 201410620477A CN 104441401 A CN104441401 A CN 104441401A
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 48
- 238000005507 spraying Methods 0.000 title abstract description 15
- 239000002932 luster Substances 0.000 title abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 40
- 238000002347 injection Methods 0.000 claims abstract description 34
- 239000007924 injection Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 30
- 229920003023 plastic Polymers 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 30
- 239000000428 dust Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000243 solution Substances 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 239000004922 lacquer Substances 0.000 description 6
- 238000005498 polishing Methods 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005282 brightening Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 229920007019 PC/ABS Polymers 0.000 description 1
- -1 aluminium silver Chemical compound 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- UYTPUPDQBNUYGX-UHFFFAOYSA-N guanine Chemical compound O=C1NC(N)=NC2=C1N=CN2 UYTPUPDQBNUYGX-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 150000003613 toluenes Chemical class 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
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- 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
- B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
-
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a free-spraying metallic-luster injection molding process for car interior trim parts and exterior parts. The free-spraying metallic-luster injection molding process comprises the following steps: adding metal powder into a raw material which is a plastic base material, and arranging a random water path close to a mould cavity of an injection mould with the high surface quality and the small thermal deformation to enable the surface temperature of the mould to be uniform; pouring the mould by adopting a hooked pouring gate, a pin-point gate and a side pouring gate; controlling the temperature of the surface of the mould in an injection-molding process; and pouring by adopting one or more pouring gates by adopting a high-pressure low-speed injection molding technique, a low-pressure high-speed injection molding technique or a normal-pressure normal-speed injection molding technique, and a sequential injection molding process, wherein the pouring gates adopt a needle valve type pouring gates. The parts produced by adopting the free-spraying metallic-luster injection molding process have no flow marks and solution marks on surfaces, have the good metallic luster and can be used for car interior trim parts and exterior parts.
Description
Technical field
The present invention relates to auto parts and components and manufacture field, especially relate to and a kind ofly exempt from spray metal gloss injection molding process for automotive trim and exterior trim parts.
Technical background
" low-carbon environment-friendly; energy-saving and emission-reduction " is one of important issue of 12 planning, for automaker, consider to use green material and environmental protection technique at Design Stage and fabrication stage, for the feature of environmental protection improving end article, there is positive effect.Increasingly competitive simultaneously due to automobile product, the price of product reduces gradually, but the requirement of client is but increasing gradually, and therefore the cost pressure of automobile factory and components supplying business is very large.For this present situation, automobile factory and components supplying business actively release new solution, and one of solution that the application of the exempting from spray metal glossy resin environmental protection that to be automobile main frame maker and components supplying business propose, high-quality and low cost balance.
Automotive trim, exterior trim decoration and function parts need brightening process usually to adopt plastic basis material to carry out spraying paint to realize.Adopt lacquer spraying technique can realize the surface effects such as interior trim parts Gao Guang, sub-light.For exterior trimming parts, owing to being subject to high temperature and Ultraviolet radiation, a lot of plastic material is difficult to the so harsh service condition of full foot, and therefore at surface lacquer, enamelled coating shields to plastic basic unit, to realize the use under high temperature and ultraviolet condition.But lacquer spraying technique exists following problem, first flow process is complicated, and after injection moulding blank, need to increase transport, pretreatment, application, the basic links such as transport, part lacquer spraying technique needs the multiple tracks production processes such as priming paint, finish paint, UV solidified paint.Secondly each product produces the defect that produces due to spray coated paint, cannot recycling, causes environmental pollution; Again, there is a large amount of organic solvents in paint, wherein solvent is mostly benzene or toluene class aromatic solvent, to health or the generation harm of operator, also produces environmental problem simultaneously.There is following problem in the product that sprays paint: comes off if the scraping that the product that sprays paint in use is subject to sharppointed article can produce paint layer from surface, expose bottom plastic basis material phenomena impair aesthetic property; The product that sprays paint has expendable thermosetting varniss on surface, thus makes goods be difficult to meet national automobile product pressure recycling laws and regulations requirement; Finally make to paint the cost increase one doubly even twice making product.
Along with the raising of developing material and Making mold level, exempt from the new trend of preparation that spraying coating process becomes automotive trim, exterior trim brightening parts gradually.Chinese invention patent CN102942742A application discloses that a kind of PP material and preparation method thereof having high glaze, metal or pearly-lustre flicker effect and exempt to spray, this patent adopts the effect pigment such as metallic aluminium powder and pearl essence, directly high glaze is obtained without the need to spraying, metal sprays paint effect and pearly-lustre flicker effect, there is good appearance, save cost compared with lacquer spraying technique, avoid the depainting problem of spraying paint in goods use procedure simultaneously.Chinese invention patent CN102516700A application discloses that a kind of improve outward appearance exempt from spraying aesthetic resin and preparation method thereof, first metallic pigments are prepared into master batch by this patent of invention, and make it have magnetic, effectively can improve the compatibility of aluminium powder pigment and plastic basis material, alleviate al-containing pigment resin in injection moulding process, occur current mark and weld bond, enhance the metal effect of product simultaneously.Chinese invention patent CN103172966A application discloses that a kind of exempting from sprays the preparation method dodging silver-colored ABS resin.This patent adopts the high melting means graft copolymer compared with low sheraing performance, does not destroy the integument of aluminium silver powder in process, thus ensure that dodge silver-colored effect does not affect the physical property of material simultaneously to greatest extent.The spraying of exempting from prepared dodges silver-colored ABS resin preparation method simply, and be easy to shaping relative to lacquer spraying technique, yield rate is high.
These current researchs mainly concentrate on exempts from the raw-material exploitation of spray metal gloss and preparation, and shorter mention exempts from the exploitation of preparation process condition and the exploitation of mould of spray metal gloss product.In plastic basis material, metal powder is added owing to exempting from spray metal gloss material, metal powder and the plastic basis material flow behavior in flow process has larger different, and therefore the mode of mold heated mode, cast gate and the speed of size and injection and back pressure all have a great impact article surface quality.Therefore this patent develops a kind of novel for exempting from spray metal gloss automotive trim, exterior trim parts Shooting Technique.
Summary of the invention
The present invention is intended to exploitation and exempts from spray metal gloss injection molding process and mould relevant design for the manufacture of automotive trim, exterior trim parts.
For realizing object of the present invention, the present invention adopts following technical scheme: during product, raw material adopt plastic basis material to add metal dust, injection mold be provided with die cavity with type water channel, so that mold surface temperature is even, mould gate uses crotch cast gate, spot pouring mouth and top-cross mouth, mould is in injection moulding process, injection mold is heated, adopt high pressure low speed, the Shooting Technique of low-voltage high speed or normal pressure constant speed, for the larger goods of size, need use one or more cast gate, cast gate need adopt needle valve cast gate, and need adopt sequential injection technique.
Concrete, raw-material requirement is mainly contained: base material is transparent or semitransparent material, to improve goods metallic luster; The mobility of material wants high, to reduce Pressure Drop, improves weld bond and trace; The heat endurance of material well not easily will produce volatile matter.Raw material used are that plastic basis material adds metal dust.
Injection mold used requires that surface quality is high and thermal deformation is little, Design of Dies have die cavity with type water channel so that mold surface temperature is even.
The cast gate of mould therefor uses crotch cast gate, spot pouring mouth, side gate.
Mould, in injection moulding process, controls the temperature of die surface by die heater, accurately controlling mould temperature is realize exempting from one of key factor of spray metal luster effect technique, and the temperature control technology used at present has following several:
1, die heater mould temperature can maintain stationary temperature all the time, and advantage is that cost is low, easy to use, but in die design process, need the process considering weld bond, also requires higher to the mobility of material simultaneously.
2, the mold thermal shock technology of heat: this technology is the technology of preparing preparing high-light no-trace comparatively early used, and its technological principle is: carry out steam to mould and heat in matched moulds and matched moulds process, and after matched moulds completes, temperature reaches and imposes a condition and can inject; In injection process, mould continues to maintain high temperature, can make the mobility that plastics keep good in die process like this; Injection completes, and when pressurize cools, carries out cooling process, to shorten the cool time of goods, enhance productivity by water at low temperature to mould.This technique needs boiler to produce the steam of q.s fast, and can interlock with injection machine signal, realizes closed-loop control, requires that material is heat-resisting and compatibility good in addition.Adopt this technology die heater can reach very high temperature, can alleviate or eliminate weld bond problem.
3, electric-heating technology: this technology is with the E-MOLD of DANA company of Korea S (Elctrity-OLD) system for representative, and can realize superelevation mold temperature and control, be the latest developments of Fast Heating cooling forming technology.It is very high that this technology utilizes electrical heating at short notice the surface temperature of mould to be heated to, and then temperature can be dropped to 50 times again in tens seconds, thus help injection mo(u)lding to complete smoothly.E-MOLD technology is easy to use, has controller to control mould temperature, utilizes cold water to carry out mold cools down.That core rod starts heating when mould removes goods.The temperature of heating region is not consistently, but decides according to the Position Design of cast gate etc.Heat when the mold is closed, injection injection moulding simultaneously starts, pass through transient heating, raise the mobility of colloidal sol when mould temperature makes injection greatly to improve, the mobility of resin improves, Pressure Drop will reduce, and makes product endlessly occur cold burden and cause surface to occur the defect such as weld bond, current mark, substantially increases the quality of product.
4, die temperance control technology: the die temperance control technology comprising high-frequency electromagnetic induction heating system, infrared radiant heating system and high pressure water thermometer is also exempted from the gloss Shooting Technique of spray metal being applied to.Although their mode of heating is different, control principle is similar, and respectively has pluses and minuses.
In order to prepare, surface is the second best in quality exempts from spray paint metallic luster automotive trim, exterior trim parts, and in injection moulding process, the temperature of mould need maintain 30 ~ 200 DEG C, and general recommended temperature is 50 ~ 180 DEG C, preferably maintains 60 ~ 160 DEG C.
In order to prepare, spray metal gloss automotive trim is the second best in qualityly exempted from surface, the injection moulding speed of exterior trim parts in preparation process is chosen as 1%-90% usually, and injection speed is generally recommended as 2%-80%, and injection speed is preferably chosen as 3%-75%.
In order to prepare, spray metal gloss automotive trim is the second best in qualityly exempted from surface, the injection pressure of exterior trim parts in preparation process is chosen as 2-15bar usually, and injection pressure is generally recommended as 3-12bar, and injection pressure is preferably chosen as 5-10bar.
In order to prepare, surface is the second best in quality exempts from spray metal gloss automotive trim, exterior trim parts, if product size is comparatively large, need employing two and two or more cast gate, cast gate need adopt needle valve cast gate, and in injection moulding process, adopt sequential injection technique.
Beneficial effect of the present invention:
The component surface that the present invention produces does not have current mark and dissolves trace, has good metallic luster simultaneously, may be used for automotive trim and exterior trim decoration parts.
Detailed description of the invention
Embodiment 1:
Raw material use ABS substrate metallochrome material, mould gate adopts crotch cast gate, mold material uses easy polishing, the stainless steel that thermal deformation is little, die surface arrange press close to die cavity with type water channel, in injection moulding process, it is 60 DEG C that the temperature of mould controls mold temperature with common die heater, and cooling water temperature is 25 DEG C, in injection moulding process, injection speed is 30%, and back pressure is 12bar.
Embodiment 2:
Raw material use PC/ABS substrate metal look material, mould gate adopts spot pouring mouth, mold material uses easy polishing, the stainless steel that thermal deformation is little, die surface arrange press close to die cavity with type water channel, in injection moulding process, it is 100 DEG C that the temperature high pressure water temperature machine of mould controls mold temperature, in injection moulding process, injection speed is 30%, and back pressure is 8bar.
Embodiment 3:
Raw material use POM substrate metal look material, mould gate adopts tab gate, mold material uses easy polishing, the stainless steel that thermal deformation is little, die surface arrange press close to die cavity with type water channel, in injection moulding process, it is 120 DEG C that the temperature high-pressure steam of mould controls mold temperature, in injection moulding process, injection speed is 30%, and back pressure is 8bar.
Embodiment 4:
Raw material use PA10 substrate metal look material, mould gate adopts tab gate, mold material uses easy polishing, the stainless steel that thermal deformation is little, die surface arrange press close to die cavity with type water channel, in injection moulding process, it is 180 DEG C that the temperature E-mold of mould controls mold temperature, in injection moulding process, injection speed is 40%, and back pressure is 6bar.
Embodiment 5:
Raw material use PA66 substrate metal look material, mould gate adopts crotch cast gate, mold material uses easy polishing, the stainless steel that thermal deformation is little, die surface arrange press close to die cavity with type water channel, in injection moulding process, it is 180 DEG C that the temperature E-mold of mould controls mold temperature, in injection moulding process, injection speed is 20%, and back pressure is 15bar.
Embodiment 6:
Raw material use PP substrate metal look material, mould gate adopts tab gate, and mold material uses easy polishing, the stainless steel that thermal deformation is little, die surface arrange press close to die cavity with type water channel, in injection moulding process, the temperature high-pressure steam of mould controls, and mold temperature is 110 DEG C, in injection moulding process, first paragraph injection speed is 10%, and all the other section of injection speed is 30%, and back pressure is 10bar.
The model of evaluation result, according to GB/T17037 standard injected sample, evaluates metal effect, the trace subspecies degree of model.Metal effect and the trace order of severity take the artificial method evaluated, and metal effect divides from 0-10 by fine or not degree, and better point of metal effect is higher, select five people to evaluate, make even and divide equally.Trace seriously to become social custom point slight, general, a serious Three Estate, selects at least 5 people to evaluate.
Claims (9)
1. exempt from spray metal gloss injection molding process for automotive trim and exterior trim parts for one kind, this technique is: during product, raw material adopt plastic basis material to add metal dust, injection mold be provided with die cavity with type water channel, so that mold surface temperature is even, mould gate uses crotch cast gate, spot pouring mouth and top-cross mouth, injection mold is in injection moulding process, the temperature of injection mold is 30 ~ 200 DEG C, injection moulding process adopts high pressure low speed, the Shooting Technique of low-voltage high speed or normal pressure constant speed, adopt one or more cast gate, cast gate is needle valve cast gate, adopt sequential injection technique.
2. according to claim 1ly a kind ofly exempt from spray metal gloss injection molding process for automotive trim and exterior trim parts, it is characterized in that: in injection moulding process, the temperature of injection mold is 50 ~ 180 DEG C.
3. according to claim 1ly a kind ofly exempt from spray metal gloss injection molding process for automotive trim and exterior trim parts, it is characterized in that: in injection moulding process, the temperature of injection mold is 60 ~ 160 DEG C.
4. according to claim 1ly a kind ofly exempt from spray metal gloss injection molding process for automotive trim and exterior trim parts, it is characterized in that: injection moulding speed is 1%-90%.
5. according to claim 1ly a kind ofly exempting from spray metal gloss injection molding process for automotive trim and exterior trim parts, it is characterized in that: injection moulding speed is for being 2%-80%.
6. according to claim 1ly a kind ofly exempt from spray metal gloss injection molding process for automotive trim and exterior trim parts, it is characterized in that: injection moulding speed is 3%-75%.
7. according to claim 1ly a kind ofly exempt from spray metal gloss injection molding process for automotive trim and exterior trim parts, it is characterized in that: injection pressure is 2-15bar.
8. according to claim 1ly a kind ofly exempt from spray metal gloss injection molding process for automotive trim and exterior trim parts, it is characterized in that: injection pressure is 3-12bar.
9. according to claim 1ly a kind ofly exempt from spray metal gloss injection molding process for automotive trim and exterior trim parts, it is characterized in that: injection pressure is 5-10bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410620477.XA CN104441401A (en) | 2014-11-04 | 2014-11-04 | Free-spraying metallic-luster injection molding process for car interior trim parts and exterior parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410620477.XA CN104441401A (en) | 2014-11-04 | 2014-11-04 | Free-spraying metallic-luster injection molding process for car interior trim parts and exterior parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104441401A true CN104441401A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410620477.XA Pending CN104441401A (en) | 2014-11-04 | 2014-11-04 | Free-spraying metallic-luster injection molding process for car interior trim parts and exterior parts |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107678487A (en) * | 2016-08-01 | 2018-02-09 | 费希尔汽车***有限责任两合公司 | The operating element that can be rotated or can move |
| CN109016421A (en) * | 2017-06-08 | 2018-12-18 | 上汽通用汽车有限公司 | The manufacturing method of automobile interior decoration muting plate |
| CN109945048A (en) * | 2019-03-22 | 2019-06-28 | 深圳创维－Rgb电子有限公司 | A kind of television base and its manufacturing method |
| CN110733159A (en) * | 2018-07-20 | 2020-01-31 | 苏睦泽 | method for removing weld line in imitation metal effect spray-free material processing and forming |
| WO2020233678A1 (en) * | 2019-05-21 | 2020-11-26 | 青岛海尔空调器有限总公司 | Panel assembly of air conditioner, and air conditioner |
| WO2021043025A1 (en) * | 2019-09-03 | 2021-03-11 | 惠州视维新技术有限公司 | Spray-free base and preparation method therefor |
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| CN1680083A (en) * | 2004-04-08 | 2005-10-12 | 李春华 | Low-pressure injecting formation of internal decorative board of door |
| JP2013216729A (en) * | 2012-04-05 | 2013-10-24 | Panasonic Corp | Colored compound, injection molding and decoration part having metallic feeling, and house electric appliance using decoration part |
| CN103770270A (en) * | 2014-01-02 | 2014-05-07 | 金发科技股份有限公司 | Spraying-free plastic shell forming method with special aesthetic effect |
| JP2014091819A (en) * | 2012-11-07 | 2014-05-19 | Panasonic Corp | Resin composition for injection molding, injection molding article, decorative component, and consumer electronics product using the same |
-
2014
- 2014-11-04 CN CN201410620477.XA patent/CN104441401A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1680083A (en) * | 2004-04-08 | 2005-10-12 | 李春华 | Low-pressure injecting formation of internal decorative board of door |
| JP2013216729A (en) * | 2012-04-05 | 2013-10-24 | Panasonic Corp | Colored compound, injection molding and decoration part having metallic feeling, and house electric appliance using decoration part |
| JP2014091819A (en) * | 2012-11-07 | 2014-05-19 | Panasonic Corp | Resin composition for injection molding, injection molding article, decorative component, and consumer electronics product using the same |
| CN103770270A (en) * | 2014-01-02 | 2014-05-07 | 金发科技股份有限公司 | Spraying-free plastic shell forming method with special aesthetic effect |
Cited By (6)
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