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楼主: RTM

关于真空袋的工艺

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发表于 2006-8-13 23:29:18 | 显示全部楼层
我现在使用干法成型,经常在有形状的地方(如突起一个平台)产生搭桥,不是富树脂就是有大的空洞,后来使用螺旋管压在该处,搭桥的问题是解决了,但是又在相同的地方出现大面积的小气泡,还有在保证密封的情况下,在树脂导入过程中,未见有泄露或反应产生气泡,但是固化脱模后在局部产生密布的气泡。我使用的短切毡.望各位赐教.谢了!
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发表于 2006-8-31 14:19:37 | 显示全部楼层
微小的气泡肯定是避免不了的,要是气泡比较大的话我估计很有可能是漏气了,类似以上架桥的问题我以前也经常遇到,我们的解决办法是充分保证整个系统的真空度的同时,在某些部位完全压实!
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发表于 2009-11-11 15:59:15 | 显示全部楼层
各位对于产品有内翻法兰的是怎么密封的,我听说在法兰上加上密封胶条,如做RTM用的胶条,不知各位是怎么做的,请教一下
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发表于 2009-12-9 14:00:03 | 显示全部楼层
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发表于 2012-7-26 18:01:50 | 显示全部楼层

Discovering jeans

Discovering jeans


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发表于 2012-10-10 15:46:43 | 显示全部楼层
  
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