Chengxin Silicone Rubber · Engineering and application insights
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Submit Customization Request →设备有通气孔还要密封框吗?防水路径与压力平衡分工
通气路径和周边密封承担不同任务。排气不畅可能改变壳体压差,但开放通气也可能提供进水路径,应按整机结构审查而非单独评价胶框。
Read the article →两半壳接缝处漏水?硅胶密封带跨越错台的检查方法
漏点固定在拼壳接缝处时,应记录密封带跨越的高度变化和缝隙,而不是只检查胶框总体厚度。错台与接缝可能形成局部未接触通道。
Read the article →硅胶密封带接触是否连续?用压痕对照定位局部失压
漏点附近没有明显破损时,可先观察装配后的接触分布,再决定是否改胶圈尺寸。连续外观不等于连续接触,更不能用压痕单独代替泄漏验证。
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