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Process for producing an element of opaque, synthetic quartz glass and a quartz glass tube obtained by the process
Process for producing an element of opaque, synthetic quartz glass and a quartz glass tube obtained by the process
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机译:制备不透明合成石英玻璃元件的方法和通过该方法获得的石英玻璃管
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摘要
Production of a component made from opaque synthetic quartz glass comprises preparing a starting material in the form of a granulate made from synthetic highly pure SiO 2 formed from porous agglomerates of SiO 2 primary particles and having a tamped density of at least 0.8 g/cm 3; introducing the granulate into a mold and melting a pre-form made from opaque quartz glass; and reshaping the pre-form in a hot deformation process forming the component made from quartz glass. Preferred Features: The outer surface of the pre-form is mechanically processed and then fed into a heating zone to soften if and deform it. The SiO 2 granulate has a tamped density of 0.9-1.4 g/cm 3
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机译:由不透明的合成石英玻璃制成的部件的生产包括制备由合成高纯SiO 2制成的颗粒形式的原料,该合成高纯SiO 2由SiO 2初级颗粒的多孔团聚物形成,夯实密度至少为0.8 g / cm 3。 >;将颗粒引入模具中并熔融由不透明石英玻璃制成的预成型坯;在热变形过程中对预成型件进行重塑,以形成由石英玻璃制成的部件。优选特征:对预成型件的外表面进行机械加工,然后将其送入加热区以软化或变形。 SiO 2颗粒的夯实密度为0.9-1.4 g / cm 3
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