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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">将可以替代模具——使玻璃加热成型的激光 </h1> <p class="xg1"> 时间：2017-5-19 11:54<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1233)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=5708&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>在3D玻璃热弯加工过程中，平板玻璃加热软化在模具中稳定成型，再经退火制成曲面玻璃。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> 在3D玻璃热弯<a href="http://optics.oecr.com" target="_blank" class="relatedlink">加工</a>过程中，<a href="http://display.oecr.com" target="_blank" class="relatedlink">平板</a>玻璃加热软化在模具中稳定成型，再经退火制成曲面玻璃。然而，这些模具制造成本高，加上<a href="http://optics.oecr.com" target="_blank" class="relatedlink">工艺</a>耗时很长。现在德国弗劳恩霍夫<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>力学研究所的研究人员已经开发了一种基于<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>的替代技术，这种技术成本更低，工艺耗时也较短。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/201705/19/115337zo88ncozcn5bnkn3.jpg" target="_blank"><img src="data/attachment/portal/201705/19/115337zo88ncozcn5bnkn3.jpg"></a></p></div><div> 研究人员首先需要将平板玻璃正面朝下放置在烤箱的敞开空间上 - 该烘箱已被预热，温度刚好低于玻璃熔点。一旦玻璃达到该温度，研究人员将使用由移动反射镜引导的激光束来选择性地进一步加热其旨在突出的部分。这会使这些区域的玻璃软化，就像是用厚厚的蜂蜜做成的那样。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/201705/19/115347wcqljj3w053vjqvt.jpg" target="_blank"><img src="data/attachment/portal/201705/19/115347wcqljj3w053vjqvt.jpg"></a></p></div><div><br></div><div> 因为玻璃下面没有支撑物，由于重力的原因使得软化部分开始下沉。一旦达到所需的形状，激光就被关闭，从而允许玻璃以新的形式冷却和硬化。</div><div><br></div><div> 将玻璃放进烤箱至完全冷却的整个过程中大约需要半小时。也就是说，根据设计的复杂性，激光几分钟就能完成工作。 这意味着在相当短的时间内可以对多片玻璃片进行加工。</div><div><br></div><div><p style="text-align: center;"><a href="data/attachment/portal/201705/19/115428mzufk2rmaf7ukmuo.jpg" target="_blank"><img src="data/attachment/portal/201705/19/115428mzufk2rmaf7ukmuo.jpg"></a></p><p style="text-align: center;"><br></p><p style="text-align: center;"><span style="line-height: 25.2px;">欢迎关注光电<a href="http://news.oecr.com" 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