Unlock instant, AI-driven research and patent intelligence for your innovation.

A mold coating for stainless steel castings

A technology of casting paint and stainless steel, which is applied in the direction of casting mould, casting mould composition, casting molding equipment, etc., can solve the problems of insufficient dimensional accuracy of castings, insufficient coating strength, slow self-drying speed, etc., and achieves fast self-drying speed, The effect of reducing production cost and reducing water content

Active Publication Date: 2017-10-10
郑州市超前涂料有限公司
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the existing alcohol-based coatings have fast self-drying properties, they are expensive and pollute heavily, while water-based coatings are green and environmentally friendly, but the self-drying speed is slow and the coating strength is not enough
The coating with the application number 200910105995.7 is applied to stainless steel castings, not only the self-drying speed is slow, but for larger castings, it is not easy to produce sand, and the dimensional accuracy of the castings is not enough.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] In parts by weight, the following components are made into coatings: 40 parts of magnesia powder, 10 parts of zirconium-containing composite silicate, 10 parts of potassium feldspar powder, the magnesia powder, zirconium-containing composite silicate, potassium feldspar The average particle size of stone powder is 500 mesh. 1 part of normal temperature binder, 3 parts of high temperature binder, 1 part of polyvinyl butyral, 2 parts of polyethylene glycol, 1 part of lithium bentonite, 2 parts of modified lignosulfonate containing amide structure , 16 parts of water, the magnesia powder, zirconium-containing composite silicate and potassium feldspar powder are all processed by calcining or electric melting. Good results can also be achieved with raw meal that has not been calcined or fused, but clinker works better.

[0019] The normal temperature binder mentioned above is a mixture of silica sol and latex, and the high temperature binder is a silicate binder.

Embodiment 2

[0021] In parts by weight, the following components are made into coatings: 50 parts of magnesia powder, 12 parts of zirconium-containing composite silicate, 15 parts of potassium feldspar powder, the magnesia powder, zirconium-containing composite silicate, potassium feldspar The average particle size of stone powder is 800 mesh. 2 parts of normal temperature binder, 2 parts of high temperature binder, 1 part of polyvinyl butyral, 3 parts of polyethylene glycol, 3 parts of lithium bentonite, 5 parts of modified lignosulfonate containing amide structure , 20 parts of water, the magnesia powder, zirconium-containing composite silicate and potassium feldspar powder are all processed by calcining or electric melting.

[0022] The normal temperature binder mentioned above is a mixture of silica sol and latex, and the high temperature binder is a silicate binder.

Embodiment 3

[0024] A mold coating for stainless steel castings, comprising the following components in parts by weight: 55 parts of magnesia powder, 15 parts of zirconium-containing composite silicate, 15 parts of potassium feldspar powder, the magnesia powder, containing The average particle size of zirconium composite silicate and potassium feldspar powder is 800 mesh. 3 parts of normal temperature binder, 3 parts of high temperature binder, 5 parts of polyvinyl butyral, 3 parts of polyethylene glycol, 3 parts of lithium bentonite, 5 parts of modified lignosulfonate containing amide structure , 32 parts of water, the magnesia powder, zirconium-containing composite silicate and potassium feldspar powder are all processed by calcining or electric melting.

[0025] The normal temperature binder mentioned above is a mixture of silica sol and latex, and the high temperature binder is a silicate binder.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
particle sizeaaaaaaaaaa
particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention discloses a casting coating for stainless steel castings, which comprises the following components in parts by weight: 40-55 parts of magnesia powder, 10-15 parts of zirconium-containing composite silicate, and 10-15 parts of potassium feldspar powder 15 parts, 1‑3 parts of normal temperature binder, 1‑3 parts of high temperature binder, 1‑5 parts of polyvinyl butyral, 2‑3 parts of polyethylene glycol, 1‑3 parts of lithium bentonite, surface 2-5 parts of active agent, 16-35 parts of water, the magnesia powder, zirconium-containing composite silicate and potassium feldspar powder are all processed by calcining or electric melting. The coating of the present invention is a water-based coating, which not only can effectively reduce production costs, but is also environmentally friendly. Furthermore, the solvent water content of the coating is about 20%, which is significantly less than other water-based coatings. Under the synergy of the coating, the coating of this coating not only does not have the phenomenon of sand staining, but also has a fast self-drying speed and excellent performance.

Description

technical field [0001] The invention relates to a mold coating for stainless steel castings. Background technique [0002] According to the actual production situation, the cost of cleaning castings accounts for about 30% of the entire casting production cost, and after coating, after deducting the cost of coating and application, the cleaning cost of castings can be reduced to 10%. In addition to the advantages, the surface quality and appearance grade of the coated castings are significantly improved. [0003] Although the existing alcohol-based coatings have quick self-drying properties, they are costly and pollute heavily, while water-based coatings are green and environmentally friendly, but their self-drying speeds are slow and the coating strength is not enough. Application No. 200910105995.7 of the invention patent coating applied to stainless steel castings not only has a slow self-drying speed, but also has problems such as difficulty in sanding out for larger cas...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B22C3/00
Inventor 浦巧生
Owner 郑州市超前涂料有限公司