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Coating for guide rail surface of mineral castings, method for its preparation and guide rail surface having same

A technology of mineral castings and guide rail surfaces, which is applied to the surface coating liquid device, epoxy resin coating, coating, etc., can solve the problems of time-consuming, labor-intensive, wear-resistant, and insufficient rigidity of the guide rail surface, and achieve The preparation method is simple and easy, the plane precision is high, and the effect of saving time and manpower

Active Publication Date: 2019-06-11
湖南国汇新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a coating for mineral casting guide rail surface, its preparation method and the guide rail surface with it, so as to solve the lack of rigidity of the mineral casting guide rail surface, wear resistance, and the precision of the guide rail plane requires secondary processing to meet the requirements, which is time-consuming. labor-intensive technical issues

Method used

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  • Coating for guide rail surface of mineral castings, method for its preparation and guide rail surface having same
  • Coating for guide rail surface of mineral castings, method for its preparation and guide rail surface having same
  • Coating for guide rail surface of mineral castings, method for its preparation and guide rail surface having same

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preparation example Construction

[0034] The preparation method of the mineral casting guide rail surface coating provided by the invention comprises the following steps: (1) mixing epoxy resin, leveling agent, dispersing anti-settling agent, hollow glass microspheres and toner, and stirring to obtain mixture A; ( 2) Add amine curing agent and curing accelerator to the mixture A obtained in step (1), and stir to obtain mixture B; (3) add silicon carbide, silicon micropowder, solid glass micropowder to the mixture B obtained in step (2) Beads, stirred to get mineral casting guide rail surface coating. The preparation method of the above-mentioned coating for the guide rail surface of the mineral casting is simple and feasible, and the raw materials are also easy to obtain.

[0035] The surface of the mineral casting guide rail provided by the present invention includes the above coating for the mineral casting guide rail surface or the coating formed by the coating for the mineral casting guide rail surface pre...

Embodiment 1

[0041]The preferred embodiment of the present invention provides a kind of mineral casting rail surface coating, comprising the following components by weight percentage: 1200 mesh green silicon carbide 29%, 800 mesh silicon micropowder 23%, 120 mesh solid glass microspheres 23% , 18% epoxy resin, 0.04% leveling agent, 0.07% dispersion anti-sedimentation agent, 0.04% hollow glass microspheres, 0.05% toner, polyetheramine 5.5%, aminoethylpiperazine 1.3%.

[0042] A preferred embodiment of the present invention also provides a method for preparing the above-mentioned mineral casting guide rail surface coating, comprising the following steps: (1) mixing epoxy resin, leveling agent, dispersing and anti-settling agent, hollow glass microspheres, and toner , stirring to obtain mixture A; (2) adding polyetheramine and aminoethylpirazine to mixture A obtained in step (1), and stirring to obtain mixture B; (3) adding 1200 Mesh green silicon carbide, 800 mesh silicon micropowder, 120 me...

Embodiment 2

[0044] The preferred embodiment of the present invention provides a kind of coating material for mineral cast rail surface, comprises the following components by weight percentage: 1800 order green silicon carbide 20%, 1200 order silicon micropowder 25%, 150 order solid glass microsphere 25% , 25% epoxy resin, 0.06% leveling agent, 0.03% dispersion anti-settling agent, 0.06% hollow glass microspheres, 0.05% toner, 4.0% aromatic amine, DMP-300.8%.

[0045] A preferred embodiment of the present invention also provides a method for preparing the above-mentioned mineral casting guide rail surface coating, comprising the following steps: (1) mixing epoxy resin, leveling agent, dispersing and anti-settling agent, hollow glass microspheres, and toner , stir to obtain mixture A; (2) add aromatic amine, DMP-30 to the mixture A obtained in step (1), and stir to obtain mixture B; (3) add 1800 mesh green carbonization to the mixture B obtained in step (2) Silicon, 1200-mesh silicon microp...

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Abstract

The invention discloses a coating for mineral cast guide surfaces, a preparation method thereof, and a guide surface having the coating. The coating comprises, by weight, 20-35% of silicon carbide, 15-25% of silicon micro-powder, 15-25% of solid glass beads, 15-25% of epoxy resin, 0.01-0.06% of a leveling agent, 0.02-0.1% of a dispersing and anti-settling agent, 0.01-0.06% of hollow glass beads, 0.03-0.05% of a toner, 3.0-7.0% of an amine curing agent and 0.5-1.5% of a curing accelerator. A coating layer formed after coating mineral cast guide surface with the coating and carrying out compression molding increases the rigidity and the wear resistance of the mineral cast guide surface, greatly improves the planar precision of the guide surface, controls the precision to be in 10 [mu]m, and reduces the thermal deformation coefficient of the guide surface by 50% or above.

Description

technical field [0001] The invention relates to the technical field of mineral castings, in particular to a coating for mineral casting rail surfaces, a preparation method thereof and a rail surface having the same. Background technique [0002] With the vigorous development of my country's manufacturing industry, new high-tech composite mineral castings are more widely used on the base of machine tool equipment, but high-precision manufacturing has higher and higher requirements for the technical precision and material stability of machine tool equipment. Existing mineral castings generally use molds for one-time pouring and solidification at room temperature. The mounting surface of the guide rail is made of the same material as the overall casting, which often fails to meet the requirements of high-precision manufacturing in terms of precision, surface rigidity and wear resistance. [0003] The main raw materials of mineral castings are epoxy resin and natural ore. The ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D7/61C09D7/63C09D7/65B05D5/08B05D5/00
CPCB05D5/00B05D5/08B05D2504/00B05D2601/20B05D2602/00C08K3/34C08K3/36C08K5/3462C08K7/20C08K7/28C08K13/04C09D163/00
Inventor 齐卫兵
Owner 湖南国汇新材料股份有限公司
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