Wheel must be used with safety guards. The actual rotational axis of the wheel and its axis of rotation through the center of mass deviation from parallel state called static unbalance wheel. This is usually due wheel uneven density, both ends of the hole and the surface is not parallel or coaxial cylindrical deviation has caused.
2013年9月4日星期三
High temperature ceramic transition can occur, excellent high temperature corrosion
Coating and the substrate binding force. Coating hardness, anti-friction, impact. High anti-corrosion coating purposes: as the aviation, aerospace, automotive, and other industries the rapid development of weapons, the use of metal materials for Diamond blade high performance requirements, not only in the use of higher temperatures and corrosive environments more polycrystalline diamond, but also has anti-vibration, anti-fatigue, anti-thermal shock and erosion resistance and other properties, organic polymer materials has been difficult to meet the requirements. The coating is inorganic phosphate-based high-temperature coatings, cubic boron nitride ceramic transition can occur, high temperature corrosion resistance superior. This water-soluble phosphate as the main film-forming substances in order to chromic anhydride modifier, add different types of reactivity, functional fillers, and different melting metal powder, prepared by high-temperature anti-corrosion coating of inorganic.
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