Year1
- 规格：
- 0.5-1 1-2 2-4mm
- 化学成分：
- 二氧化硅
- 硬度：
- 7
Quartz sand for casting is a variety of casting sand selected from natural quartz sand. It is suitable for various casting mold sands. Due to the content Up to. above, ensuring the smoothness and flatness of castings and zero rework rate. Quartz sand for precision casting, quartz sand for casting, and quartz sand purification for casting are highly difficult separation technologies that remove small or trace impurities in quartz sand to obtain refined quartz sand or high-purity quartz sand. Natural crystal raw materials are in short supply and expensive. High-purity, ultra-fine quartz powder made from quartz sand is used to replace crystals to meet the increased demand for crystals in high technology. At the same time, it is of great significance to promote the construction of our national economy. Combining the progress of quartz sand research at home and abroad, Henan quartz sand was used as raw material to carry out ultra-fine processing, purification and modification of quartz sand. At the same time, ultra-fine quartz powder and modified quartz powder were used in paints, refractory materials, ceramics in ball milling media. In the ultra-fine processing of quartz sand, adding appropriate grinding aids can greatly improve ball milling efficiency and reduce costs. The inner quartz sand can be ball milled to ultra-fine quartz powder with an average particle size. Through experiments such as chemical purification and acid treatment of quartz sand. The ideal agent for preparing high-purity quartz has been found, which can greatly improve the purity of raw quartz sand and produce high-purity ultra-fine quartz powder with a whiteness of 100%. It can be widely used in high-tech fields such as high-performance ceramics and electronics and electrical engineering. Ultrafine quartz powder is used in ceramic refractory kiln furniture, and the kiln furniture produced has excellent performance. Ultrafine quartz powder can replace imported ultrafine silica powder, indicating that ultrafine quartz powder has great application potential in the refractory and ceramic industries. .
Using liquid sandblasting to clean precision castings can not only remove oxide scale and residues on the surface of the castings, but also have a polishing effect and improve the surface finish of the castings. Especially for precision castings with complex shapes and no margins, liquid sandblasting cleaning and polishing is the most economical and effective process, such as turbine blades of aero engines, etc. Quartz sand for sandblasting, quartz sand for sandblasting, quartz sand for casting
Using liquid sandblasting to clean die-casting parts can reveal the true metal color of the parts and make them more beautiful in appearance. If liquid shot peening is used, the effect will be better, and the surface hardness and corrosion resistance of the parts can also be improved. Liquid shot peening can also be used for decoration, such as various instrument shells, frames, etc. Quartz sand for sandblasting, quartz sand for sandblasting, and quartz sand for casting
Liquid sandblasting can also be used to obtain higher surface quality for sand-cast aluminum alloy castings and copper alloy castings. However, for rougher cast steel and cast iron blanks, the liquid sandblasting process is generally not recommended.
[Sandblasting and rust removal quartz sand][Sandblasting and rust removal quartz sand] Sandblasting quartz sand, sandblasting quartz sand, casting quartz sand
． Remove oxide scale
Using liquid sandblasting to clean the oxide scale and residual salt after heat treatment can not only remove the oxide scale but also improve the surface finish of the parts. Especially for molds with complex shapes and precision parts, the liquid sandblasting effect is more outstanding. For example, liquid sandblasting after heat treatment of a file not only does not damage the cutting edge of the file, but also increases the service life of the file.
Liquid sandblasting can also be used to remove oxide scale and stains from various rare metal plates after hot rolling to prepare for cold rolling and improve the surface quality of the plate.
． Remove micro burrs from machining
Although burrs are small, they are very harmful. With the advancement of science and technology, the shapes of mechanical parts are becoming increasingly complex, and the accuracy requirements are getting higher and higher. The application conditions are very strict, and no burrs are allowed, such as textile machinery parts, hydraulic components, precision and complex parts in the aerospace industry, medical equipment, etc. The use of liquid sandblasting to remove burrs has high efficiency and high quality, leaving a small rounded corner at the junction of the two surfaces (this is required by many mechanical parts). If the process parameters can be reasonably selected, the original surface brightness can also be improved. < />< />< />
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