CN102993715A - Automobile engine guard plate and manufacturing method thereof - Google Patents
Automobile engine guard plate and manufacturing method thereof Download PDFInfo
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- CN102993715A CN102993715A CN2012102946127A CN201210294612A CN102993715A CN 102993715 A CN102993715 A CN 102993715A CN 2012102946127 A CN2012102946127 A CN 2012102946127A CN 201210294612 A CN201210294612 A CN 201210294612A CN 102993715 A CN102993715 A CN 102993715A
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- injection
- automobile engine
- injection molding
- guard plate
- engine guard
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Abstract
The invention discloses an automobile engine guard plate and a manufacturing method thereof. The preparation method mainly comprises the following steps of: firstly preparing a material A and a material B; drying, and then mixing according to a proportion; adding the mixture into a warmed injection molding machine; setting injection pressure values, speed values, injection time values and injection glue amount values of different sections of the injection molding machine, and meanwhile, setting a final dwell pressure value and a final dwell speed value so as to enable the best injection molding technology to be realized, so as to obtain the final qualified product. According to the automobile engine guard plate and the manufacturing method thereof, physical performance defects that the injection molding automobile engine guard plate is easy to pull apart and crack during molding, is poor in toughness, low in intensity and the like are solved; meanwhile, the injection molding technology is stable; products obtained by using the method are stable in quality; the production efficiency is improved; and the production cost is lowered.
Description
Technical field
The present invention relates to a kind of automobile engine protection plate and manufacture method thereof, belong to field of automobile.
Background technology
Nylon has good toughness, self lubricity, wear resistance, chemical resistant properties, gas-premeable, and oil-proofness, the nontoxic and easy advantage such as painted, so nylon is used widely industrial, progress along with society, the usage quantity of automobile is in continuous increase, most of component of automobile all have nylon to get, the plastic cement of prior art usually has that assembling is inconvenient, the location is inaccurate, it is unstable to connect, strength of joint not and affect the shortcoming such as contact performance.
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 automobile engine protection plate and manufacture method thereof, the automobile engine protection plate 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:
Automobile engine protection plate, it is to get: A by the raw material mixing granulation reprocessing of following weight parts to expect 50-60, B expects 50-60;
Described A material is made by the raw material of following weight parts: nylon PA66 45-55, titanium dioxide 0.3-0.5, ABS high glue powder 15-18, nanometer potter's clay 6-8, polybutylene terephthalate 3-5, polycaprolactone 4-6, tetrafluoroethylene 0.6-0.8, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.5-0.8, dibutylester 0.3-0.5, irgasfos 168 0.3-0.5, the two hard esteramides 0.1-0.3 of ethylene group, altax 0.2-0.4, oxidized polyethlene wax 0.3-0.5, Imarcaptoacetate dioctyltin 0.7-0.9;
Described B material is made by the raw material of following weight parts: nylon PA66 43-48, glass fibre 13-18, modified alta-mud 5-10, active calcium silicate 5-7, polycaprolactone 5-8, sec.-propyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanic acid ester 0.8-1.2, oxidation inhibitor DSTP 0.5-0.7, poly--4-methyl-1-pentene 0.5-0.8, mica powder 0.3-0.5, diisobutyl phthalate 0.3-0.5, clorafin 0.5-0.8, zinc borate 0.1-0.3, calcium stearate 0.2-0.4.
The manufacture method of automobile engine protection plate may further comprise the steps:
(1) preparation of material A:
Take by weighing all raw materials of material A by the weight part of constitutive material, then place high-speed mixer and mixing 4-6min, the mixture that obtains adds in the twin screw extruder through main spout, and the controlled working temperature is at 245-275 ℃, the screw rod revolution is at 450-650rpm, and extruding pelletization namely gets material A after the melting;
(2) preparation of material B:
Take by weighing all raw materials of material B by the weight part of constitutive material, each raw material except glass fibre of getting the B material places high-speed mixer and mixing 3-5min, the mixture that obtains adds in the twin screw extruder through main spout, glass fibre adds twin screw extruder by weight from the side spout, the controlled working temperature is at 230-245 ℃, the screw rod revolution is at 250-500rpm, and extruding pelletization namely gets material B after the melting;
(3) mixed injection molding:
To expect to carry out drying treatment after A and material B mix by proportioning, drying temperature is 90-100 ℃, and be 3-5 hour time of drying, then joins in the injection moulding machine; The temperature of injection moulding machine heating zone is set: 280 ± 5 ℃ of first paragraphs, 275 ± 5 ℃ of second segments, the 3rd section 270 ± 5 ℃, the 4th section 265 ± 5 ℃, the 5th section 260 ± 5 ℃; Injection moulding section molding technique parameter is as follows:
A, first paragraph adopt the middle pressure of 45-55Mpa, the medium velocity injection of 40-50m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 73-78% of product;
B, second segment adopt the middle pressure of 55-60Mpa, the medium velocity injection of 40-50m/s, and be 0.8-1.2 second inject time, and injection glue amount is to 100% of water port of product;
(4) last moulding, the demoulding, and get final product.
The preparation technology of described modified alta-mud is: use first 15-25% salt acid soak wilkinite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after the oven dry, it is even to add the 3-aminopropyl trimethoxysilane agitating that is equivalent to solid weight 4-6%, and oven dry is ground into powder.
Beneficial effect of the present invention:
The automobile engine protection plate 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: automobile engine protection plate, and it is to get: A by the raw material mixing granulation reprocessing of following weight parts to expect 50-60, B expects 50-60;
Described A material is made by the raw material of following weight parts: nylon PA66 45-55, titanium dioxide 0.3-0.5, ABS high glue powder 15-18, nanometer potter's clay 6-8, polybutylene terephthalate 3-5, polycaprolactone 4-6, tetrafluoroethylene 0.6-0.8, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.5-0.8, dibutylester 0.3-0.5, irgasfos 168 0.3-0.5, the two hard esteramides 0.1-0.3 of ethylene group, altax 0.2-0.4, oxidized polyethlene wax 0.3-0.5, Imarcaptoacetate dioctyltin 0.7-0.9;
Described B material is made by the raw material of following weight parts: nylon PA66 43-48, glass fibre 13-18, modified alta-mud 5-10, active calcium silicate 5-7, polycaprolactone 5-8, sec.-propyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanic acid ester 0.8-1.2, oxidation inhibitor DSTP 0.5-0.7, poly--4-methyl-1-pentene 0.5-0.8, mica powder 0.3-0.5, diisobutyl phthalate 0.3-0.5, clorafin 0.5-0.8, zinc borate 0.1-0.3, calcium stearate 0.2-0.4.
The manufacture method of automobile engine protection plate may further comprise the steps:
(1) preparation of material A:
Take by weighing all raw materials of material A by the weight part of constitutive material, then place high-speed mixer and mixing 4-6min, the mixture that obtains adds in the twin screw extruder through main spout, and the controlled working temperature is at 245-275 ℃, the screw rod revolution is at 450-650rpm, and extruding pelletization namely gets material A after the melting;
(2) preparation of material B:
Take by weighing all raw materials of material B by the weight part of constitutive material, each raw material except glass fibre of getting the B material places high-speed mixer and mixing 3-5min, the mixture that obtains adds in the twin screw extruder through main spout, glass fibre adds twin screw extruder by weight from the side spout, the controlled working temperature is at 230-245 ℃, the screw rod revolution is at 250-500rpm, and extruding pelletization namely gets material B after the melting;
(3) mixed injection molding:
To expect to carry out drying treatment after A and material B mix by proportioning, drying temperature is 90-100 ℃, and be 3-5 hour time of drying, then joins in the injection moulding machine; The temperature of injection moulding machine heating zone is set: 280 ± 5 ℃ of first paragraphs, 275 ± 5 ℃ of second segments, the 3rd section 270 ± 5 ℃, the 4th section 265 ± 5 ℃, the 5th section 260 ± 5 ℃; Injection moulding section molding technique parameter is as follows:
A, first paragraph adopt the middle pressure of 45-55Mpa, the medium velocity injection of 40-50m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 73-78% of product;
B, second segment adopt the middle pressure of 55-60Mpa, the medium velocity injection of 40-50m/s, and be 0.8-1.2 second inject time, and injection glue amount is to 100% of water port of product;
(4) last moulding, the demoulding, and get final product.
The preparation technology of described modified alta-mud is: use first 15-25% salt acid soak wilkinite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after the oven dry, it is even to add the 3-aminopropyl trimethoxysilane agitating that is equivalent to solid weight 4-6%, and oven dry is ground into powder.
The Performance Detection of the automobile engine protection plate that makes by above-described embodiment:
Claims (3)
1. an automobile engine protection plate is characterized in that, it is to get: A by the raw material mixing granulation reprocessing of following weight parts to expect 50-60, and B expects 50-60;
Described A material is made by the raw material of following weight parts: nylon PA66 45-55, titanium dioxide 0.3-0.5, ABS high glue powder 15-18, nanometer potter's clay 6-8, polybutylene terephthalate 3-5, polycaprolactone 4-6, tetrafluoroethylene 0.6-0.8, sec.-propyl three (dioctylphyrophosphoric acid acyloxy) titanic acid ester 0.5-0.8, dibutylester 0.3-0.5, irgasfos 168 0.3-0.5, the two hard esteramides 0.1-0.3 of ethylene group, altax 0.2-0.4, oxidized polyethlene wax 0.3-0.5, Imarcaptoacetate dioctyltin 0.7-0.9;
Described B material is made by the raw material of following weight parts: nylon PA66 43-48, glass fibre 13-18, modified alta-mud 5-10, active calcium silicate 5-7, polycaprolactone 5-8, sec.-propyl two oleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanic acid ester 0.8-1.2, oxidation inhibitor DSTP
0.5-0.7, poly--4-methyl-1-pentene 0.5-0.8, mica powder 0.3-0.5, diisobutyl phthalate 0.3-0.5, clorafin 0.5-0.8, zinc borate 0.1-0.3, calcium stearate 0.2-0.4.
2. the manufacture method of an automobile engine protection plate as claimed in claim 1 is characterized in that may further comprise the steps:
(1) preparation of material A:
Take by weighing all raw materials of material A by the weight part of constitutive material, then place high-speed mixer and mixing 4-6min, the mixture that obtains adds in the twin screw extruder through main spout, and the controlled working temperature is at 245-275 ℃, the screw rod revolution is at 450-650rpm, and extruding pelletization namely gets material A after the melting;
(2) preparation of material B:
Take by weighing all raw materials of material B by the weight part of constitutive material, each raw material except glass fibre of getting the B material places high-speed mixer and mixing 3-5min, the mixture that obtains adds in the twin screw extruder through main spout, glass fibre adds twin screw extruder by weight from the side spout, the controlled working temperature is at 230-245 ℃, the screw rod revolution is at 250-500rpm, and extruding pelletization namely gets material B after the melting;
(3) mixed injection molding:
To expect to carry out drying treatment after A and material B mix by proportioning, drying temperature is 90-100 ℃, and be 3-5 hour time of drying, then joins in the injection moulding machine; The temperature of injection moulding machine heating zone is set: 280 ± 5 ℃ of first paragraphs, 275 ± 5 ℃ of second segments, the 3rd section 270 ± 5 ℃, the 4th section 265 ± 5 ℃, the 5th section 260 ± 5 ℃; Injection moulding section molding technique parameter is as follows:
A, first paragraph adopt the middle pressure of 45-55Mpa, the medium velocity injection of 40-50m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 73-78% of product;
B, second segment adopt the middle pressure of 55-60Mpa, the medium velocity injection of 40-50m/s, and be 0.8-1.2 second inject time, and injection glue amount is to 100% of water port of product;
(4) last moulding, the demoulding, and get final product.
3. automobile engine protection plate according to claim 1, it is characterized in that, the preparation technology of described modified alta-mud is: use first 15-25% salt acid soak wilkinite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, and after the oven dry, the 3-aminopropyl trimethoxysilane agitating that adding is equivalent to solid weight 4-6% is even, oven dry is ground into powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102946127A CN102993715A (en) | 2012-08-17 | 2012-08-17 | Automobile engine guard plate and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102946127A CN102993715A (en) | 2012-08-17 | 2012-08-17 | Automobile engine guard plate and manufacturing method thereof |
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| CN102993715A true CN102993715A (en) | 2013-03-27 |
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| CN2012102946127A Pending CN102993715A (en) | 2012-08-17 | 2012-08-17 | Automobile engine guard plate and manufacturing method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070167552A1 (en) * | 2002-08-27 | 2007-07-19 | Georg Stoeppelmann | Polyamide moulding materials for the production of moulded articles having reduced surface carbonization |
| CN101665341A (en) * | 2008-09-01 | 2010-03-10 | 李宇峙 | Epoxy bitumen used for paving steel bridge deck |
| CN101885914A (en) * | 2010-07-13 | 2010-11-17 | 东莞市意普万工程塑料有限公司 | Composite material special for automobile engine oil pan and preparation method thereof |
-
2012
- 2012-08-17 CN CN2012102946127A patent/CN102993715A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070167552A1 (en) * | 2002-08-27 | 2007-07-19 | Georg Stoeppelmann | Polyamide moulding materials for the production of moulded articles having reduced surface carbonization |
| CN101665341A (en) * | 2008-09-01 | 2010-03-10 | 李宇峙 | Epoxy bitumen used for paving steel bridge deck |
| CN101885914A (en) * | 2010-07-13 | 2010-11-17 | 东莞市意普万工程塑料有限公司 | Composite material special for automobile engine oil pan and preparation method thereof |
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Application publication date: 20130327 |