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矽膠首頁 >> 新聞資訊 >>新聞資訊 >>行業新聞 >> 密封用合格油封標准

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密封用合格油封標准

密封圈油封合格品應符合下列條件：

1、油封出現表面進行平整光滑，無缺損，無變形。矽膠制品廠吸附作用主要是物理吸附，可以再生和反複使用。在堿金屬矽酸鹽（如矽酸鈉）溶液中加酸，使之酸化，再加入一定量的電解質進行攪拌，即生成矽酸凝膠；或者在較濃的矽酸鈉溶液中加酸或铵鹽也能生成矽酸凝膠。東莞矽膠制品擠出矽膠制品通常是通過擠出機器擠壓矽膠成型的，一般擠出矽膠形狀是長條的，管狀的可隨意裁剪，但是擠出矽膠的形狀有局限性，在醫療器械，食品機械中廣泛使用。

2. 油封端面的编码标记符合要求；

3. 非骨架油封的外边缘应是直的，端面应是平的。

4、帶骨架的橡膠油封形狀可以端正，端面呈正圓形，放于一個玻璃進行平板上應與中國玻璃材料表面相貼合，無擾曲現象。

5、在油封的整個計算圓周上刃口結構形狀、厚度應一致，同配套件進行試裝時，刃口在配套頸上應嚴密設計貼合。

6.带弹簧的橡胶油封，弹簧应不生锈、不变形，并能牢固地锁紧在弹簧槽内。以50*72*12橡胶油封为例。使油封从1m高度自由下落到地面，如果弹簧每5次落下不超过1次，则可认为弹簧与油封匹配良好。

7.分销商在批量购买橡胶油封时，可以取样进行油浸试验，测量质量变化率。例如，用25号变压器油封在(705)度的温度下24小时，质量变化率应在3% -5% 之间。

密封用合格油封標准

上一篇描述橡膠帶的更換程序下一篇密封圈作用

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