一种可降低石英玻璃材料应力的切割方法
By cutting through grooves into quartz blanks, the problems of edge chipping and cracking during the cutting process of quartz blanks are solved, stress release without annealing is achieved, production efficiency is improved and costs are reduced.
CN120816424BActive Publication Date: 2026-07-17HUBEI FEILIHUA QUARTZ GLASS
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- HUBEI FEILIHUA QUARTZ GLASS
- Filing Date
- 2025-07-10
- Publication Date
- 2026-07-17
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Figure CN120816424B_ABST
Abstract
本发明涉及一种可降低石英玻璃材料应力的切割方法，属石英玻璃材料切割加工技术领域。本发明通过在轮廓线上方和下方的石英毛坯片上分别切割的贯穿槽，在石英毛坯片切割过程中为应力定向提供了释放路径，从而改变了石英玻璃片整体的应力分布，使得切割过程应力会沿贯穿槽边缘重新分布，从而避免了应力集中在切割区域附近的情况，降低了石英毛坯片切割过程中整体的应力水平；进而避免或减少了崩边（口）及裂纹的风险，并使切割边缘更平整，降低了加工成本、提升了生产效率。
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