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Preparation method of novel casting coating

A technology for casting coatings and manufacturing methods, applied in casting molding equipment, coatings, molds, etc., can solve the problems of affecting product quality, high cost, easy generation of pores and slag inclusion, etc., to reduce the possibility of pores, The effect of reduced production cost and easy cleaning

Inactive Publication Date: 2020-08-14
埃肯铸造(中国)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is: in order to solve the problem that porosity and slag inclusions are easy to occur during casting, which affects product quality and the cost is high, a new method for making casting coatings is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0030] As a preferred embodiment of the present invention: 22 parts of graphite, mesh number: 220 mesh, 27 parts of forsterite, mesh number 220 mesh, 6 parts of bentonite, mesh number: 350 mesh, 25 parts of filler, mesh number 300 mesh, eliminating 3.5 parts of foaming agent, 3 parts of quartz sand, mesh number, 250 mesh, 23 parts of water.

[0031] Use the above raw materials to prepare coatings: sieve graphite and forsterite to remove graphite and forsterite with larger particles, pour water and bentonite into the mixer and stir for 30 minutes, close the sealing cover of the mixer, and turn the mixer The air outlet on the cover is opened and connected to the air pump through a hose to pump out the excess air in the mixer, then close the air outlet, place the material to be added on the feed port, open the feed port, and add quartz to the mixed solution Sand, graphite powder and forsterite powder are stirred together, filler is added during stirring, and stirred for 80 minute...

Embodiment 3

[0034] As a preferred embodiment of the present invention: 25 parts of graphite, mesh number: 250 mesh, 29 parts of forsterite, mesh number 280 mesh, 7 parts of bentonite, mesh number: 350 mesh, 30 parts of filler, mesh number 300 mesh, 4 parts of foaming agent, 4 parts of quartz sand, mesh number, 300 mesh, 25 parts of water.

[0035] Use the above raw materials to prepare coatings: sieve graphite and forsterite to remove graphite and forsterite with larger particles, pour water and bentonite into the mixer and stir for 30 minutes, close the sealing cover of the mixer, and turn the mixer The air outlet on the cover is opened and connected to the air pump through a hose to pump out the excess air in the mixer, then close the air outlet, place the material to be added on the feed port, open the feed port, and add quartz to the mixed solution Sand, graphite powder and forsterite powder are stirred together, filler is added during stirring, and stirred for 80 minutes to obtain a ...

Embodiment 4

[0038] As a preferred embodiment of the present invention: 27 parts of graphite, mesh number: 300 mesh, 31 parts of forsterite, mesh number 320 mesh, 8 parts of bentonite, mesh number: 400 mesh, 33 parts of filler, mesh number 350 mesh, eliminating 4.5 parts of foaming agent, 4.5 parts of quartz sand, mesh number, 320 mesh, 27 parts of water.

[0039] Use the above raw materials to prepare coatings: sieve graphite and forsterite to remove graphite and forsterite with larger particles, pour water and bentonite into the mixer and stir for 30 minutes, close the sealing cover of the mixer, and turn the mixer The air outlet on the cover is opened and connected to the air pump through a hose to pump out the excess air in the mixer, then close the air outlet, place the material to be added on the feed port, open the feed port, and add quartz to the mixed solution Sand, graphite powder and forsterite powder are stirred together, filler is added during stirring, and stirred for 80 minu...

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Abstract

The invention discloses a preparation method of a novel casting coating, and relates to the field of casting coatings. The coating comprises the following raw materials of 20-30 parts of graphite, 25-35 parts of forsterite, 5-10 parts of bentonite, 20-40 parts of a filler, 3-5 parts of an antifoaming agent, 2-5 parts of quartz sand and 20-30 parts of water. According to the method, due to the factthat the use amount of the forsterite is increased, so that the proportion of the graphite in the coating is reduced, the adhesive force between the coating and the surface of a mold is reduced, cleaning is easy, and the possibility that the graphite generates pores is greatly reduced; and meanwhile, due to the fact that the forsterite is rich in source and low in price, so that the reduction ofthe production cost is facilitated.

Description

technical field [0001] The invention relates to the field of casting coatings, in particular to a method for making a novel casting coating. Background technique [0002] Casting Coatings: Casting products need to be cast into metal molds after melting, and then the products are separated from the molds (demoulding). In order to release the mold, it is necessary to spray a layer of liquid containing refractory material on the mold in advance, i.e. coating. [0003] Coating composition: Coatings used in foundry production are mainly composed of refractory materials, dispersion media, binders and suspending agents. Among them, the real role is the refractory material. Different refractory components will have different effects on the quality of cast products. So the composition of the paint is very critical. [0004] The coating currently used is easy to adhere to the mold, difficult to dry, and difficult to clean, resulting in easy generation of pores and slag inclusions ...

Claims

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Application Information

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IPC IPC(8): B22C3/00
CPCB22C3/00
Inventor 王少俊毛斌
Owner 埃肯铸造(中国)有限公司
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