Quickly dried alcohol based spraying casting coating and spraying method thereof

A casting paint, alcohol-based technology, applied in casting molding equipment, coatings, molds, etc., can solve the problems of frequent nozzle blockage, incorrect use of machinery, and rapid volatilization of paint solvents, shortening the site turnover cycle, The effect of shortening coating application time and improving construction safety

Active Publication Date: 2014-09-03
杨俊新
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, foundry manufacturers mainly use brush coating, flow coating, and dip coating. Many manufacturers have tried spray coating, but due to the fast evaporation and high density of the coating solvent used, the nozzles are frequently blocked, and the filter screen of the suction port is blocked and cannot be fed. , the waste of paint splashing is large, the spraying construction personnel use the machine incorrectly, etc., and the ideal use effect cannot be achieved, and when spraying with an airless spraying machine, because the existing paint does not meet the technical indicators of spraying, and The paint cannot be sprayed normally

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] When casting steel, a kind of quick-drying alcohol-based spray casting coating of the present invention comprises 60 parts of zircon powder, 3 parts of lithium-based bentonite (this lithium-based bentonite is triggered with water, and is preset for 24 hours after triggering), 15 parts of methanol; solvent 15 parts of oil 120#; 1 part of rosin; 1 part of lubricant.

Embodiment 2

[0031] When casting steel, a kind of quick-drying alcohol-based spray casting coating of the present invention comprises 65 parts of white corundum, 4 parts of organic bentonite (this organic bentonite is initiated with solvent oil, and is preset for 24 hours after initiation and used), 20 parts of ethanol, solvent oil 20 parts of 200#; 2 parts of phenolic resin; 1 part of barium stearate.

Embodiment 3

[0033] When casting iron, a kind of quick-drying alcohol-based spray casting coating of the present invention comprises 62 parts of zircon powder, 4 parts of organic bentonite (this organic bentonite is initiated with solvent oil, and is preset for 24 hours after initiation and used), 20 parts of ethanol, solvent oil 20 parts of 200#; 2 parts of phenolic resin; 1 part of penetrant JFC.

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PUM

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Abstract

The invention discloses a quickly dried alcohol based spraying casting coating and a spraying method thereof. The quickly dried alcohol based spraying casting coating comprises the following components in parts by weight: 60-65 parts of fire resistant powder material, 3-4 parts of suspension agent, 15-20 parts of low boiling point solvent, 15-20 parts of medium boiling point solvent, 1-2 parts of bonding agent and 1 part of assistant. The quickly dried alcohol based spraying casting coating can fully meet the spraying usage requirement; according to different castings, different fire resistant materials are used so as to meet the production requirements of different castings.

Description

technical field [0001] The invention relates to a quick-drying alcohol-based spray casting coating and a spraying method thereof. Background technique [0002] In traditional foundry production, in order to improve the surface quality of castings, it is usually necessary to apply a layer of refractory coating on the surface of the mold (core) to improve its surface heat resistance, chemical stability, and resistance to molten metal erosion, so that the coating and castings Smooth stripping to reduce the cleaning workload of castings. The main methods of applying the coating are brushing, flow coating, dipping and spraying. At present, foundry manufacturers mainly use brush coating, flow coating, and dip coating. Many manufacturers have tried spray coating, but due to the fast evaporation and high density of the coating solvent used, the nozzles are frequently blocked, and the filter screen of the suction port is blocked and cannot be fed. , the waste of paint splashing is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C3/00B22C23/02
Inventor 杨俊新
Owner 杨俊新
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