Special coating for lost-foam casting and production method thereof
A technology of lost foam casting and coating, applied in the field of iron and steel casting, to achieve the effects of reducing production costs, stable chemical properties, and good performance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0016] Example 1: For thick-walled steel castings,
[0017] The composition ratio of the special paint for lost foam casting of the present invention is: 75 parts of quartz powder, 25 parts of bauxite, 10 parts of brown corundum, 1.5 parts of graphite powder, 8 parts of Huijian brand adhesive, 2 parts of silica sol, 0.4 part of sodium bentonite, 0.2 part of CMC, 0.02 part of OP-10 polyvinyl alcohol ether, 0.01 part of silicone defoamer. The preparation method of the coating is as follows:
[0018] 1) Mix the bonding agent Huijian brand bonding agent, silica sol, suspending agent sodium bentonite, CMC and water according to the described proportion and stir evenly at high speed, the stirring speed is 500r / min, and the stirring time is 50min. Prepare the colloidal solution of binder and suspending agent and water, wherein the weight ratio of water to aggregate quartz powder and bauxite is 0.68-0.75: 1;
[0019] 2) Add aggregate quartz powder, bauxite and additives brown corund...
Embodiment 2
[0021] Embodiment 2: For steel castings with medium wall thickness,
[0022] The composition ratio of the special paint for lost foam casting of the present invention is: 65 parts of quartz powder, 40 parts of bauxite, 5 parts of brown corundum, 1 part of graphite powder, 8 parts of Meizhu No. 5, 3 parts of silica sol, sodium base 0.2 parts of bentonite, 0.2 parts of CMC, 0.02 parts of OP-10 polyvinyl alcohol ether, 0.01 parts of silicone defoamer. The preparation method of the coating is as follows:
[0023] 1) Mix the adhesive Meizhu No. 5, silica sol, suspending agent sodium bentonite, CMC and water according to the stated ratio and stir evenly at high speed, the stirring speed is 550r / min, and the stirring time is 55min, and the obtained Colloidal solution of binder and suspending agent and water, wherein the weight ratio of water to aggregate quartz powder and bauxite is 0.68-0.75: 1;
[0024] 2) Add aggregate quartz powder, bauxite and additives brown corundum powder a...
Embodiment 3
[0026] Example 3: For thin-walled steel castings
[0027] The composition ratio of the special paint for lost foam casting of the present invention is: 60 parts of quartz powder, 40 parts of bauxite, 1 part of graphite powder, 8 parts of Meizhu No. 5, 0.1 part of sodium bentonite, OP-10 polyethylene glycol 0.02 part of alcohol ether, 0.01 part of silicone defoamer. The preparation method of the coating is as follows:
[0028]1) Mix the adhesive Meizhu No. 5 and the suspending agent sodium bentonite with water according to the stated ratio and stir evenly at a high speed, the stirring speed is 550r / min, and the stirring time is 55min to prepare the adhesive and suspending agent The colloidal solution of agent and water, wherein the weight ratio of water and aggregate quartz powder and bauxite is 0.68-0.75: 1; 2) Add aggregate quartz powder, bauxite and additives in a given proportion to the colloid solution Graphite powder continues to stir at a high speed evenly, and the sti...
PUM
Property | Measurement | Unit |
---|---|---|
density | aaaaa | aaaaa |
thickness | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com