Surface processing technology of mineral casting

A technology for mineral castings and surface processing, applied in the field of mineral castings, can solve the problems of insufficient corrosion resistance of mineral castings and cumbersome processes, and achieve the effects of enhanced corrosion resistance, low price and high strength

Inactive Publication Date: 2019-12-31
常州高鼎新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a mineral casting surface processing technology to solve the above-mentioned background technology that usually requires mineral castings to be cast and molded after demoulding, after the surface is polished and cleaned, the surface that is not completely smooth after grinding is repaired with putty. Then spray paint after grinding, the process is cumbersome and the corrosion resistance of processed mineral castings is not strong enough

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  • Surface processing technology of mineral casting

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Effect test

Embodiment 1

[0034] The specific steps of the mineral casting surface processing technology are as follows:

[0035] S1. Demoulding on the inner surface of the mold: Drive the high-pressure pump to suck the release agent, pressurize it to 30MPa, and then spray it on the inner surface of the mold for mineral casting casting, so that there is no compressed air in the sprayed release agent to avoid compressed air. Ingress of moisture and other impurities leads to unsatisfactory release effect, which makes the surface of the release agent uneven;

[0036] S2. Coating anti-corrosion coating: mix the raw materials of anti-corrosion coating in equal proportions according to the set amount and put them in the container. The raw materials of anti-corrosion coating include polyacrylate, curing agent, pebbles and river sand, and the anti-corrosion coating The raw materials are: 60kg of polyacrylate, 20kg of curing agent, 12kg of pebbles and 8kg of river sand according to the mass specific gravity, an...

Embodiment 2

[0042] S1. Demoulding on the inner surface of the mold: drive the high-pressure pump to suck the release agent, pressurize it to 15MPa, and then spray it on the inner surface of the mold for casting mineral castings. In this way, there is no compressed air in the sprayed release agent to avoid compressed air. Ingress of moisture and other impurities leads to unsatisfactory release effect, which makes the surface of the release agent uneven;

[0043] S2. Coating anti-corrosion coating: mix the raw materials of anti-corrosion coating in equal proportions according to the set amount and put them in the container. The raw materials of anti-corrosion coating include polyacrylate, curing agent, pebbles and river sand, and the anti-corrosion coating The raw materials are: 5.8kg of polyacrylate, 2.2kg of curing agent, 1.5kg of pebbles and 0.5kg of river sand according to the mass specific gravity, and then use the mechanical arm to paint the anti-corrosion coating evenly on the surface...

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Abstract

The invention belongs to the technical field of mineral castings, and specifically relates to a surface processing technology of a mineral casting. The specific steps of the surface processing technology of the mineral casting are as follows: S1, performing demolding on an inner surface of a mold: driving a high-pressure pump to suck a mold release agent, performing pressurizing to 15-30 MPa and then performing spraying on the inner surface of the mold for casting the mineral casting; S2, coating an anti-corrosion coating: mixing raw materials of the anti-corrosion coating in equal proportionsand placing the anti-corrosion coating in a container, and then uniformly coating the surface of the mold release agent with the anti-corrosion coating through a brushing manner by using a robot arm;S3, oven-drying the anti-corrosion coating: performing heating and oven-drying on the inside of the mold by using a dryer, wherein an oven-drying temperature is controlled to 50-70 DEG C, an oven-drying time is set to 30-50 min, and a completely sealed oven-drying method is used; S4, performing raw material casting and shaping; S5, coating the anti-corrosion coating again; and S6, oven-drying theanti-corrosion coating again. The working procedure of the technology is simple, and the processed mineral casting has stronger anti-corrosion performance.

Description

technical field [0001] The invention relates to the technical field of mineral castings, in particular to a surface processing technology of mineral castings. Background technique [0002] With the continuous damage of non-renewable resources, people are now more enthusiastic about environmental protection. No matter in which field, energy conservation and environmental protection have become the first appeal. Therefore, as a new type of environmental protection material, mineral castings, with their own performance and The price advantage has replaced traditional cast iron castings in some fields. In terms of performance, it is mainly manifested in: stronger forming ability and integration ability, higher processing accuracy, shock absorption is more than ten times that of traditional cast iron castings, thermal stability and resistance More corrosive. [0003] Nowadays, the processing of mineral castings usually requires the mineral castings to be casted and demoulded, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B26/00C04B41/65
CPCC04B26/00C04B28/00C04B41/009C04B41/50C04B41/65C04B14/02C04B14/06C04B14/386C04B40/00C04B41/4535C04B41/4857C04B41/46C04B41/4543
Inventor 邵如意徐建国
Owner 常州高鼎新材料科技有限公司
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