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Special coating for casting

A technology of coatings and components, applied in casting molding equipment, coatings, casting molds, etc., can solve problems such as air bubbles, brush marks, and difficult to ignite

Inactive Publication Date: 2019-12-20
ZHEJIANG HONGFENG HEAVY IND MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the final stage of the casting process, a layer of paint is usually applied to the surface of the casting body. This paint has been widely used in my country due to its advantages of fast drying speed, high production efficiency, low cost, short production cycle, and wide application range. , the annual consumption can reach 30,000 to 40,000 tons, and its usage is showing a growing trend, and the market prospect is broad. However, there are many problems in the use of casting coatings produced by my country, such as thixotropy and flow parallelism, and the coating is not stable after coating. Afterwards, there will be brush marks, poor suspension stability, not easy to ignite, easy to crack, bubbles and other problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1: the purpose of the present invention is accomplished through the following technical scheme: a kind of casting special coating, described this coating is made up of the component of following parts by weight:

[0045] Magnesium aluminum silicate 10 parts

[0046] 10 parts of rubber spirit

[0047] 10 parts of paint spirit

[0048] Rosin 5 parts

[0049] 211 resin 5 parts

[0050] Attapulgite 10 parts

[0051] 18 parts ethanol

[0052] Methanol 150 parts

[0053] Zircon powder 565 parts

[0054] Mullite 100 parts

[0055] Op-10 5 copies

[0056] 20 parts isopropyl alcohol

[0057] Silica fume 2 parts

[0058] White corundum 100 parts

[0059] The composition of the above components is based on a total amount of 1000 kilograms.

Embodiment 2

[0060] Embodiment 2: the purpose of the present invention is accomplished through the following technical scheme: a kind of casting special coating, described this coating is made up of the component of following parts by weight:

[0061] Magnesium aluminum silicate 20 parts

[0062] 10 parts of rubber spirit

[0063] 8 parts of paint spirit

[0064] Rosin 2 parts

[0065] 211 resin 3 parts

[0066] Attapulgite 10 parts

[0067] 15 parts ethanol

[0068] Methanol 158 parts

[0069] Zircon powder 550 parts

[0070] Mullite 100 parts

[0071] Op-10 2 copies

[0072] 20 parts isopropyl alcohol

[0073] Silica fume 2 parts

[0074] White corundum 100 parts

[0075] The composition of the above components is based on a total amount of 1000 kilograms.

[0076] The method of embodiment 1 and embodiment 2 used by the present invention is:

[0077] 1) Pretreatment: Pretreat all liquid and powder materials to remove impurities;

[0078] 2) Stirring and mixing: put the proc...

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PUM

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Abstract

The invention discloses a special coating for casting. The coating is prepared from the following components of, in parts by weight, 10-30 parts of magnesium aluminum silicate, 5-10 parts of rubber solvent oil, 5-10 parts of paint solvent oil, 1-5 parts of rosin, 1-5 parts of 211 resin, 5-10 parts of attapulgite, 10-20 parts of ethanol, 100-200 parts of methanol, 500-600 parts of zircon powder, 50-150 parts of mullite, 1-5 parts of OP-10, 10-30 parts of isopropyl alcohol, 1-5 parts of silicon powder and 50-200 parts of white corundum. The coating has the advantages of good thixotropy and leveling property, no brush marks after brushing, good suspension stability, convenience in operation and the like.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to a special coating for casting. Background technique: [0002] In the final stage of the casting process, a layer of paint is usually applied to the surface of the casting body. This paint has been widely used in my country due to its advantages of fast drying speed, high production efficiency, low cost, short production cycle, and wide application range. , the annual consumption can reach 30,000 to 40,000 tons, and its usage is showing a growing trend, and the market prospect is broad. However, there are many problems in the use of casting coatings produced by my country, such as thixotropy and flow parallelism, and the coating is not stable after coating. Finally, there will be brush marks, poor suspension stability, not easy to ignite, easy to crack, bubbles and other problems. Invention content: [0003] The purpose of the present invention is to overcome the deficiencies of the prior...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C3/00
CPCB22C3/00
Inventor 仲敏杰
Owner ZHEJIANG HONGFENG HEAVY IND MACHINERY
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