CN104057021B - The configuration of metal type dies pouring and riser systems coating and brushing method - Google Patents
The configuration of metal type dies pouring and riser systems coating and brushing method Download PDFInfo
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- CN104057021B CN104057021B CN201410197884.4A CN201410197884A CN104057021B CN 104057021 B CN104057021 B CN 104057021B CN 201410197884 A CN201410197884 A CN 201410197884A CN 104057021 B CN104057021 B CN 104057021B
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Abstract
The present invention relates to configuration and the brushing method of metal type dies pouring and riser systems coating.Collocation method is mixed dry oxidation zinc, waterglass, anhydrous flake asbestos, after stirring, is poured in the deionized water of 65 DEG C ~ 75 DEG C, and limit bevelling stirs till completely evenly; Spraying method comprises the following steps: get the coating configured; By mould and die preheating complete for blast; Brush mould pouring and riser systems with coating pen, thickness is 0.3 ~ 0.5mm; Riser paint THICKNESS CONTROL is at 1 ~ 3mm; Pre-heat fixation, loads the metal type dies sprayed in holding furnace and toasts, be preheated to mold work temperature 350 ~ 420 DEG C, and keep 1 ~ 2h.Coating and the brushing method of method preparation of the present invention effectively can solve the casting flaw such as misrun, cold shut in metal mold production process.Play and better protect metal mold, ensure die size, steady quality further.
Description
Technical field
The present invention relates to configuration and the brushing method of metal type dies pouring and riser systems coating, belong to metal type dies application of paints technical field.
Background technology
Compared with sand casting, permanent mold casting can Reusability, meets the theory of united nations environment programme division (UNEP)/Green foundry, technically with have many advantages economically.But metal mold is airtight, and without deformability, easily cause the casting flaws such as mould misrun, cold shut.In order to avoid defects such as mould misrun, cold shuts, usually at metal type dies pouring and riser systems working surface spray coating, thus regulate the cooling velocity of mould, to reach the object improving die quality.But existing coating and spraying and brushing method are still difficult to meet above requirement.
Summary of the invention
In order to overcome above technical problem, the object of the present invention is to provide a kind of preparation and brushing method of metal type dies pouring and riser systems coating, adopt the coating of the method preparation and this brushing method effectively can to solve in metal mold production process the defects such as mould misrun, cold shut, sticking to mould.
To achieve these goals, the present invention is by the following technical solutions:
The collocation method of metal type dies pouring and riser systems coating, dry oxidation zinc, waterglass, anhydrous flake asbestos are mixed, after stirring, be poured in the deionized water of 65 DEG C ~ 75 DEG C, limit bevelling stirs till completely evenly, and the proportioning of described dry oxidation zinc, waterglass, anhydrous flake asbestos and deionized water is by weight percentage: dry oxidation zinc 9 ~ 11%, waterglass 8 ~ 10%, anhydrous flake asbestos 8 ~ 11%, all the other are deionized water.
The particle size diameter of described zinc oxide and flake asbestos is less than 0.6mm.
The modulus of described waterglass is 2.5 ~ 3.0; Density is 1.50 ~ 1.60g/cm
3.
Adopt the brushing method of the metal type dies pouring and riser systems coating of said method configuration, comprise the following steps:
1) coating configured in 24 hours is got;
2) metal type dies complete for blast is preheating to coating application temperature: 280 ~ 350 DEG C;
3) brush mould pouring and riser systems with coating pen, running channel paint thickness controls at 0.3 ~ 0.5mm; Riser paint THICKNESS CONTROL is at 1 ~ 3mm;
4) pre-heat fixation, loads the metal type dies sprayed in holding furnace and toasts, be preheated to mold work temperature 350 ~ 420 DEG C, and keep 1 ~ 2h.
Compared with prior art, the invention has the beneficial effects as follows:
1, the coating of the method for the invention configuration, its viscosity is fine, spray convenience, uniform thin layer can be formed on the surface in metal mold, available protecting metal mold pouring and riser systems, the cooling velocity at adjustment mould each position in metal mold, control solidi fication order, improves gas in die cavity and discharges condition, effectively avoid the defects such as misrun, cold shut, sticking to mould; Die size, steady quality can be ensured, between molten metal and die cavity, form fire-resistant shield layer, improve molten metal to the scouring capability of die cavity, improve the service life of metal mold.
2, brushing method of the present invention is simple to operate, brushing is convenient, and cost of material is cheap.Can effectively avoid the defects such as mould misrun, cold shut, and difficult drop-off, be specially adapted to the magnesium alloy such as aviation, automobile, aluminum alloy metal-type gravitational casting is produced.
3, the particle size diameter of refractory material zinc oxide and flake asbestos is less than 0.6mm, and its fire resistance is good, and adopt modulus to be 2.5 ~ 3.0, density is 1.50 ~ 1.60g/cm
3waterglass, its caking property is good.
4, before spraying brush material, mould is carried out sandblasting and preheating, sandblasting can make the adhesiveness of coating better, and preheating makes moisture in coating evaporate rapidly, and the dope layer of spary is even and fine and close.Preheat temperature adopts 280 ~ 350 DEG C, and spraying effect is best, if preheat temperature is too low, coating can not be very fast dry; Preheat temperature is too high, then the easy bubbling of coating or peel off.
5, running channel paint thickness controls at 0.3 ~ 0.5mm, and riser paint THICKNESS CONTROL is at 1 ~ 3mm, if spraying is too thin, does not have the effect of the cooling velocity regulating mould; If spray too thick, dope layer easily comes off, and can have influence on running gate system size.
Detailed description of the invention
Below by specific embodiment, the invention will be further described, but claimed scope is not limited to content described in the present embodiment.
Embodiment 1, the collocation method of metal type dies pouring and riser systems coating, dry oxidation zinc, waterglass, anhydrous flake asbestos are mixed, after stirring, be poured in the deionized water of 65 DEG C, limit bevelling stirs till completely evenly, and the proportioning of described dry oxidation zinc, waterglass, anhydrous flake asbestos and deionized water is by weight percentage: dry oxidation zinc 9%, waterglass 8%, anhydrous flake asbestos 8%, all the other are deionized water.
The particle size diameter of described zinc oxide and flake asbestos is less than 0.6mm.
The modulus of described waterglass is 2.5; Density is 1.50g/cm
3.
Adopt the brushing method of the metal type dies pouring and riser systems coating of said method configuration, comprise the following steps:
1) coating configured in 24 hours is got;
2) metal type dies complete for blast is preheating to spray painting temperature: 280 ~ 350 DEG C;
3) brush mould pouring and riser systems with coating pen, running channel paint thickness controls at 0.3 ~ 0.5mm; Riser paint THICKNESS CONTROL is at 1 ~ 3mm;
4) pre-heat fixation, loads the metal type dies sprayed in holding furnace and toasts, be preheated to mold work temperature 350 ~ 420 DEG C, and keep 1 ~ 2h.
Embodiment 2, the collocation method of metal type dies pouring and riser systems coating, dry oxidation zinc, waterglass, anhydrous flake asbestos are mixed, after stirring, be poured in the deionized water of 75 DEG C, limit bevelling stirs till completely evenly, and the proportioning of described dry oxidation zinc, waterglass, anhydrous flake asbestos and deionized water is by weight percentage: dry oxidation zinc 11%, waterglass 10%, anhydrous flake asbestos 11%, all the other are deionized water.
The particle size diameter of described zinc oxide and flake asbestos is less than 0.6mm.
The modulus of described waterglass is 3.0; Density is 1.60g/cm
3.
Adopt the brushing method of the metal type dies pouring and riser systems coating of said method configuration, comprise the following steps:
1) coating configured in 24 hours is got;
2) metal type dies complete for blast is preheating to spray painting temperature: 280 ~ 350 DEG C;
3) brush mould pouring and riser systems with coating pen, running channel paint thickness controls at 0.3 ~ 0.5mm; Riser paint THICKNESS CONTROL is at 1 ~ 3mm;
4) pre-heat fixation, loads the metal type dies sprayed in holding furnace and toasts, be preheated to mold work temperature 350 ~ 420 DEG C, and keep 1 ~ 2h.
Embodiment 3, the collocation method of metal type dies pouring and riser systems coating, dry oxidation zinc, waterglass, anhydrous flake asbestos are mixed, after stirring, be poured in the deionized water of 70 DEG C, limit bevelling stirs till completely evenly, and the proportioning of described dry oxidation zinc, waterglass, anhydrous flake asbestos and deionized water is by weight percentage: dry oxidation zinc 10%, waterglass 9%, anhydrous flake asbestos 9%, all the other are deionized water.
The particle size diameter of described zinc oxide and flake asbestos is less than 0.6mm.
The modulus of described waterglass is 2.8 density is 1.55g/cm
3.
Adopt the brushing method of the metal type dies pouring and riser systems coating of said method configuration, comprise the following steps:
1) coating configured in 24 hours is got;
2) metal type dies complete for blast is preheating to spray painting temperature: 280 ~ 350 DEG C;
3) brush mould pouring and riser systems with coating pen, running channel paint thickness controls at 0.3 ~ 0.5mm; Riser paint THICKNESS CONTROL is at 1 ~ 3mm;
4) pre-heat fixation, loads the metal type dies sprayed in holding furnace and toasts, be preheated to mold work temperature 350 ~ 420 DEG C, and keep 1 ~ 2h.
Embodiment 4, the collocation method of metal type dies pouring and riser systems coating, dry oxidation zinc, waterglass, anhydrous flake asbestos are mixed, after stirring, be poured in the deionized water of 66 DEG C ~ 74 DEG C, limit bevelling stirs till completely evenly, and the proportioning of described dry oxidation zinc, waterglass, anhydrous flake asbestos and deionized water is by weight percentage: dry oxidation zinc 9 ~ 11%, waterglass 8 ~ 10%, anhydrous flake asbestos 8 ~ 11%, all the other are deionized water.
The particle size diameter of described zinc oxide and flake asbestos is less than 0.5mm.
The modulus of described waterglass is 2.6 ~ 2.9, and density is 1.50 ~ 1.60g/cm
3.
Adopt the brushing method of the metal type dies pouring and riser systems coating of said method configuration, comprise the following steps:
1) coating configured in 20 hours is got;
2) metal type dies complete for blast is preheating to spray painting temperature: 300 ~ 330 DEG C;
3) brush mould pouring and riser systems with coating pen, running channel paint thickness controls at 0.35 ~ 0.45mm; Riser paint THICKNESS CONTROL is at 1.5 ~ 2.5mm;
4) pre-heat fixation, loads the metal type dies sprayed in holding furnace and toasts, be preheated to mold work temperature 380 ~ 400 DEG C, and keep 1 ~ 2h.
Claims (1)
1. a brushing method for metal type dies pouring and riser systems coating, is characterized in that: comprise the following steps:
1) coating configured in 24 hours is got;
The collocation method of described metal type dies pouring and riser systems coating is: dry oxidation zinc, waterglass, anhydrous flake asbestos are mixed, after stirring, be poured in the deionized water of 65 DEG C ~ 75 DEG C, limit bevelling stirs till completely evenly, and the proportioning of described dry oxidation zinc, waterglass, anhydrous flake asbestos and deionized water is by weight percentage: dry oxidation zinc 9 ~ 11%, waterglass 8 ~ 10%, anhydrous flake asbestos 8 ~ 11%, all the other are deionized water; The particle size diameter of described dry oxidation zinc and anhydrous flake asbestos is less than 0.6mm; The modulus of described waterglass is 2.5 ~ 3.0, and density is 1.50 ~ 1.60g/cm
3;
2) by mould and die preheating complete for blast to coating application temperature: 280 ~ 350 DEG C;
3) brush mould pouring and riser systems with coating pen, running channel paint thickness controls at 0.3 ~ 0.5mm; Riser paint THICKNESS CONTROL is at 1 ~ 3mm;
4) pre-heat fixation, loads the metal type dies sprayed in holding furnace and toasts, be preheated to mold work temperature 350 ~ 420 DEG C, and keep 1 ~ 2h.
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| CN201410197884.4A CN104057021B (en) | 2014-05-12 | 2014-05-12 | The configuration of metal type dies pouring and riser systems coating and brushing method |
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| CN104057021B true CN104057021B (en) | 2016-02-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104439205A (en) * | 2014-11-28 | 2015-03-25 | 常熟市勤丰铸件厂 | Casting pouring process method |
| CN105537507A (en) * | 2015-12-07 | 2016-05-04 | 禹州市神运机械有限公司 | Paint for aluminum alloy casting and use method thereof |
| CN110102705A (en) * | 2019-04-09 | 2019-08-09 | 启东市聚旺铸造有限公司 | Metal mold casting head coating and preparation method thereof |
| CN114453555B (en) * | 2022-01-26 | 2023-04-28 | 安顺学院 | Preparation process of high-temperature-resistant precoated sand |
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|---|---|---|---|---|
| JPS5884655A (en) * | 1981-11-12 | 1983-05-20 | Kubota Ltd | Painting method of die for centrifugal casting |
| CN1480272A (en) * | 2003-05-16 | 2004-03-10 | 西北工业大学 | Coating with variational heat content and spreading method utilized in chill casting for aluminum alloy thin wall part |
| CN101480700A (en) * | 2009-01-23 | 2009-07-15 | 安徽省恒泰活塞制造有限公司 | Aluminum piston bottom riser head shrink-compensating casting technique |
| CN101658899A (en) * | 2009-09-17 | 2010-03-03 | 上海交通大学 | Magnesium-alloy metal-type casting coating and preparation method thereof |
| CN103182486A (en) * | 2011-12-28 | 2013-07-03 | 上海航天精密机械研究所 | Method for coating alloy metal mould casting die |
| CN103722122A (en) * | 2013-12-31 | 2014-04-16 | 安顺学院 | Spraying material for metal mold and spraying process thereof |
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2014
- 2014-05-12 CN CN201410197884.4A patent/CN104057021B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5884655A (en) * | 1981-11-12 | 1983-05-20 | Kubota Ltd | Painting method of die for centrifugal casting |
| CN1480272A (en) * | 2003-05-16 | 2004-03-10 | 西北工业大学 | Coating with variational heat content and spreading method utilized in chill casting for aluminum alloy thin wall part |
| CN101480700A (en) * | 2009-01-23 | 2009-07-15 | 安徽省恒泰活塞制造有限公司 | Aluminum piston bottom riser head shrink-compensating casting technique |
| CN101658899A (en) * | 2009-09-17 | 2010-03-03 | 上海交通大学 | Magnesium-alloy metal-type casting coating and preparation method thereof |
| CN103182486A (en) * | 2011-12-28 | 2013-07-03 | 上海航天精密机械研究所 | Method for coating alloy metal mould casting die |
| CN103722122A (en) * | 2013-12-31 | 2014-04-16 | 安顺学院 | Spraying material for metal mold and spraying process thereof |
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Effective date of registration: 20200110 Address after: No. 613, 615 and 617 Heshan Industrial City Heshun Road, Heshan City, Jiangmen City, Guangdong Province Patentee after: Guangdong Pioneer Mould Frame Technology Co., Ltd. Address before: 561000 No. 25, Anshun Development Zone, Guizhou, Xueyuan Road Patentee before: ANSHUN UNIVERSITY |
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