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Full-mold casting paint and preparation method thereof

A solid casting and coating technology, applied in casting molding equipment, coating, casting and other directions, can solve the problems of uneven wear resistance, can not meet the production requirements of large castings, etc., it is difficult to achieve heat resistance, excellent ventilation and quick drying, improving the overall effect

Inactive Publication Date: 2017-08-18
安徽华飞机械铸锻有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems that the existing solid casting coatings generally have strong wear resistance, high adhesion, excellent air permeability and quick drying under high temperature and low temperature environments, which make them unable to meet the production requirements of large castings, The purpose of the present invention is to provide a full mold casting coating and its preparation method. The prepared full mold casting coating can have strong wear resistance, high adhesion, excellent air permeability and quick drying under high temperature and low temperature environments. , leading to the advantage that it can meet the production requirements of large castings

Method used

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  • Full-mold casting paint and preparation method thereof

Examples

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Effect test

Embodiment 1

[0035] A full mold casting coating, comprising the following raw materials in parts by weight: 76 parts of quartz powder, 12 parts of olivine powder, 13 parts of corundum powder, 5 parts of sodium bentonite, 1.5 parts of lignosulfonic acid, 2.5 parts of dextrin powder, carboxylate 1.1 parts of sodium methylcellulose, 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, graphite powder 35 parts, 0.7 parts of zircon powder, 5 parts of attapulgite, 0.8 parts of water reducing agent and 16 parts of water.

[0036] Graphite powder is added to the raw material. Graphite powder has the characteristics of stable chemical properties at room temperature, good fire resistance, good wear resistance, good lubricity, good toughness and good thermal shock resistance.

[0037] Zircon powder is added to the raw material, which has the adv...

Embodiment 2

[0054] A full mold casting coating, comprising the following raw materials in parts by weight: 72 parts of quartz powder, 10 parts of olivine powder, 11 parts of corundum powder, 4 parts of sodium bentonite, 1 part of lignosulfonic acid, 2 parts of dextrin powder, carboxylate 0.8 parts of sodium methylcellulose, 0.4 parts of sodium benzoate, 1 part of hollow glass microspheres, 7.1 parts of aluminum sulfate, 4.4 parts of polyvinyl alcohol, 5 parts of silica sol, 0.5 parts of iron oxide powder, 0.04 parts of n-octanol, graphite powder 30 parts, 0.5 parts of zircon powder, 4 parts of attapulgite, 0.7 parts of water reducing agent and 12 parts of water.

[0055] Graphite powder is added to the raw material. Graphite powder has the characteristics of stable chemical properties at room temperature, good fire resistance, good wear resistance, good lubricity, good toughness and good thermal shock resistance.

[0056] Zircon powder is added to the raw material, which has the advantage...

Embodiment 3

[0073] A full mold casting coating, comprising the following raw materials in parts by weight: 80 parts of quartz powder, 14 parts of olivine powder, 15 parts of corundum powder, 6 parts of sodium bentonite, 2 parts of lignosulfonic acid, 3 parts of dextrin powder, carboxylate 1.4 parts of sodium methylcellulose, 0.6 parts of sodium benzoate, 2 parts of hollow glass microspheres, 8.9 parts of aluminum sulfate, 5.6 parts of polyvinyl alcohol, 6 parts of silica sol, 0.7 parts of iron oxide powder, 0.06 parts of n-octanol, graphite powder 40 parts, 0.9 parts of zircon powder, 6 parts of attapulgite, 0.9 parts of water reducing agent and 20 parts of water.

[0074] Graphite powder is added to the raw material. Graphite powder has the characteristics of stable chemical properties at room temperature, good fire resistance, good wear resistance, good lubricity, good toughness and good thermal shock resistance.

[0075] Zircon powder is added to the raw material, which has the advanta...

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Abstract

The invention provides a full-shape casting coating and a preparation method thereof, relating to the field of casting. The full-shape casting coating includes the following raw materials in parts by weight: quartz powder, olivine powder, corundum powder, sodium bentonite, lignin sulfonic acid, and dextrin powder , sodium carboxymethyl cellulose, sodium benzoate, hollow glass microspheres, aluminum sulfate, polyvinyl alcohol, silica sol, iron oxide powder, n-octanol, graphite powder, zircon powder, attapulgite, water reducing agent and water The preparation method comprises the following steps: (1) weighing raw materials, (2) preparing each mixed solution in turn, and (3) adding to a reaction kettle and stirring in turn. The invention solves the problem that the existing solid casting coatings generally have strong wear resistance, high adhesion, excellent air permeability and quick drying under high temperature and low temperature environments, which makes them unable to meet the production requirements of large castings. question.

Description

technical field [0001] The invention belongs to the field of casting, and in particular relates to a full mold casting paint and a preparation method thereof. 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 disc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C3/00
CPCB22C3/00
Inventor 杨胜谢枫
Owner 安徽华飞机械铸锻有限公司
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