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亚克力加工的粘接方法介绍,快来收藏!
Published:
2022-10-13
亚克力加工产品的粘接是压克力加工中的关键工艺环节,如何展现有机玻璃清晰透明的特性,体现亚克力烟酒包装工艺品的价值感,最大限度地提升亚克力加工工艺品的档次和品味,粘接技术起着重要的作用。
亚克力加工的粘接方法是怎样?下面我们大家一起来分析一下。
亚克力加工产品的粘接是压克力加工中的关键工艺环节,如何展现有机玻璃清晰透明的特性,体现亚克力烟酒包装工艺品的价值感,提升亚克力加工工艺品的档次和品味,粘接技术起着重要的作用。
有机玻璃的粘接主要受两个方面的影响:一是胶粘剂本身的适用性;第二是粘合的技巧。
国内外的胶黏剂很多,主要有两种,一种是双组份,比如环氧树脂。也有单一成分的,比如CHCl3.一般来说,双组份胶黏剂是通过固化反应粘结,而单组份胶黏剂是通过溶剂的最终挥发粘结。
双组份胶的特点是粘接效果好,不起泡,不泛白,粘接后强度高,缺点是操作复杂,难度大,固化时间长,速度慢,难以满足大批量生产的要求,而一般单组份胶的特点是速度快,可以满足批量生产的工艺要求,缺点是粘合后的产品容易起泡、泛白、耐候性差,直接影响有机玻璃产品的外观和产品质量,因此,如何选择合适的胶粘剂,提高有机玻璃产品的档次和档次,是粘接过程中首先要解决的大问题。
另外,亚克力加工产品的粘合技巧也很重要,下面介绍一些常见的粘接技术,并对其实践经验进行简要分析。
1.对接:将两块要对接的有机玻璃板水平放在操作平台上,合上,底部贴胶带,留不大于0.3mm宽的缝隙,以便涂胶,用注射器将粘合剂从一侧均匀缓慢地注入缝隙中,直至完全填满,待其完全固化后,再将胶带揭下。
2.立面粘接:立面粘接是应用最广泛的粘接技术,广泛用于制作各种有机玻璃IT电子数码显示产品,首先,要粘合的表面要擦拭干净,最好用模具实现粘接,这样胶不会晃动,有利于提高粘接质量,对于厚度为3mm的有机玻璃板的粘接,可以垫上细金属丝,通过毛细作用完成粘接,可以在胶粘剂固化前将金属丝拔出,也可以用胶带粘接,然后再涂胶粘剂。
3.斜面粘接:要用90度模板粘结斜面,以防粘结面移位。均匀缓慢地涂抹粘合剂,只有在完全固化后,才能移除轮廓。
4.平面粘接:平面粘接是一种特殊的粘接方法。首先把粘好的表面擦干净,水平放置,倒适量的胶在上面,将另一块有机玻璃板的一面倾斜放置,与涂有胶粘剂的有机玻璃板接触,然后均匀缓慢放下,将气泡从一侧驱出,完成粘接,有机玻璃粘合剂会腐蚀有机玻璃表面,留下不可磨灭的痕迹,因此,胶带可以用来保护不需要粘合的部分,油脂、灰尘或气孔会阻碍粘合剂的均匀涂覆并留下气泡,过多使用粘合剂会在粘合剂收缩时带入空气,直接吹会因为胶的挥发而使胶面边缘变白,室内湿度、温度等对有机玻璃的粘接有直接影响。
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