Machining production process
the role of additives in the process of fine machining will no longer be limited to helping the shell quickly build up the wet strength
the role of additives in the process of fine machining will no longer be limited to helping the shell quickly build up the wet strength, but also improve the development of its investment casting quality, the surface quality of the silica sol shell is good and its high temperature. The high temperature anti-deformation ability of fine machining is good, and the product requires its precision to be a relatively good process, so we should increase the understanding of the fine casting process in practice and theory, constantly supplement its technical attempts, and enrich its practical experience.
fine machining is a kind of fine casting with excellent production, such products are widely used in industrial production, fine machining has a good stability performance, the value of the product adapts to the wider the pH range, and the stable storage time is longer.
fine machining has strict requirements for the shell making environment and wind speed, for castings with slender holes, the drying time between layers needs to be appropriately extended, and the polymer additives can help reduce the defects of the shell and casting. Fine machining requires less maintenance during storage, which can adapt to high shear stress agitation, and further shorten the interlayer drying time of the product, but they can shorten the interlayer drying time of such reinforced silica sol to 1h.
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