Full mold casing coating

A technology of solid casting and coating, which is applied to casting molding equipment, coatings, casting molds, etc. It can solve the problems that manual painting cannot be applied, black pollution in the working environment, and high manufacturing costs, and achieve good suspension and thixotropy. The effect of high surface strength and easy operation

Active Publication Date: 2012-04-04
南通市通州区俊朗建筑工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The paint has high temperature resistance and is suitable for the production process of large castings, but its manufacturing cost is h

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A full mold casting coating, the coating consists of the following components in parts by weight: 70 parts of quartz powder, 15 parts of olivine powder, 10 parts of corundum powder, 6 parts of sodium bentonite, 1 part of lignosulfonic acid, and dextrin powder 3 parts, 0.8 parts of sodium carboxymethyl cellulose, 0.6 parts of sodium benzoate, 1 part of hollow glass microspheres, 9 parts of aluminum sulfate, 4 parts of polyvinyl alcohol, 6 parts of silica sol, 0.5 parts of iron oxide powder, 0.06 parts of n-octanol part, 15 parts of water, the particle size of the quartz powder, olivine powder and corundum powder is 200-320 mesh.

Embodiment 2

[0016] A full mold casting coating, the coating consists of the following components in parts by weight: 80 parts of quartz powder, 10 parts of olivine powder, 15 parts of corundum powder, 4 parts of sodium bentonite, 2 parts of lignosulfonic acid, dextrin powder 2 parts, 1.5 parts of sodium carboxymethyl cellulose, 0.4 parts of sodium benzoate, 2 parts of hollow glass microspheres, 7 parts of aluminum sulfate, 6 parts of polyvinyl alcohol, 5 parts of silica sol, 0.8 parts of iron oxide powder, 0.04 parts of n-octanol part, 25 parts of water, the particle size of the quartz powder, olivine powder and corundum powder is 200-320 mesh.

Embodiment 3

[0018] A full mold casting coating, the coating consists of the following components in parts by weight: 75 parts of quartz powder, 13 parts of olivine powder, 13 parts of corundum powder, 5 parts of sodium bentonite, 1.5 parts of lignosulfonic acid, dextrin powder 2.5 parts, 1.2 parts of sodium carboxymethyl cellulose, 0.5 parts of sodium benzoate, 1.5 parts of hollow glass microspheres, 8 parts of aluminum sulfate, 5 parts of polyvinyl alcohol, 5.5 parts of silica sol, 0.6 parts of iron oxide powder, 0.05 parts of n-octanol part, 20 parts of water, the particle size of the quartz powder, olivine powder and corundum powder is 200-320 mesh.

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PUM

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Abstract

The invention discloses a full mold casting coating, which consists of the lower components in part by weight: 70-80 parts of quartz powder, 10-15 parts of olivine powder, 10-15 parts of alundum powder, 4-6 parts of sodium bentonite, 1-2 parts of lignosulfonic acid, 2-3 parts of dextrin powder, 0.8-1.5 parts of sodium carboxymethylcellulose, 0.4-0.6 part of sodium benzoate, 1-2 parts of hollow glass microsphere, 7-9 parts of aluminum sulfate, 4-6 parts of polyvinyl alcohol, 5-6 parts of silica sol, 0.5-0.8 part of brown iron oxide, 0.04-0.06 part of n-octyl alcohol and 15-25 parts of water.

Description

technical field [0001] The invention relates to the field of casting, in particular to the field of full mold casting. Background technique [0002] The solid casting coating is a dispersion system composed of a variety of materials with different properties. Its composition mainly includes refractory materials, binders, carriers, suspending agents and special additives. It is required that the coating has good process performance, work performance and quality. Stability and application reproducibility. The solid casting paint is coated on the outer surface of the foam plastic model, and the molding can only be poured after the paint is dry. Foamed plastics are airtight, have a low heat distortion temperature (about 70°C), and have poor affinity for water; foamed plastics are heated and melted, and after gasification, there are many liquid residues and a large amount of gas generation. If these gases and liquid residues cannot be discharged in time , the casting will produ...

Claims

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Application Information

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IPC IPC(8): B22C3/00
Inventor 朱小英
Owner 南通市通州区俊朗建筑工程有限公司
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