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</dd> </dl> </div> </div> </div> <div class="main_right"> <div class="sitemap"><a href="/">首页</a> > <a href="/news/cjwt/">常见问题</a> > 详细内容 > 温度对东莞塑胶制品质量的影响有几?</div> <div class="content"> <div class="news_xaingxi"><h1>温度对东莞塑胶制品质量的影响有几?</h1></div> <div class="news_author"> 来源?a href='http://www.hbnvc.com/news/149.html'>http://www.hbnvc.com/news/149.html</a>   发布时间?019-07-15 </div> <div class="news_content"> <p><p> 温度,这个词想必大家都很熟悉了吧,适当的温度是很好的,比如说,冲凉,水太冷了也不好,太热了也不好,适中的就是很好的,才是让人舒服的,对?b><a href="http://www.hbnvc.com/" target="_blank" style="font-weight:bold">东莞塑胶制品</a></b>来说温度对其影响也是很大的,适当的温度可以减?a href="http://www.hbnvc.com/supply/20.html" target="_blank">东莞塑胶制品</a>的变形情况,同时还可以改善东莞塑胶制品的质量问题等等。那<a target="_blank" href="http://www.hbnvc.com/news/149.html">温度对东莞塑胶制品质量的影响有几?</a> </p> <p> 一、可以减小制品的变形 </p> <p> 模具温度稳定、冷却速度均衡可以减小制品的变形。对于壁厚不一致和形状复杂的制品,经常会出现因收缩不均匀而产生变形的情况,因此必须采用合适的冷却系统,使模具与型芯的各个部位的温度基本保持均匀,以便型腔里的塑料熔体能同时凝固?</p> <p> 二、可改善制品表面质量 </p> <p> 提高模具温度能改善制品表面质量,过低的模温会使东莞塑胶制品轮廓不清晰并产生明显的熔合纹,导致制品表面粗糙度提高?</p> <p> 三、减小应力对模具的开?</p> <p> 对于结晶形塑料,结晶度俞?制品的应力开裂机会越大,所以减小应力开裂的角度出发,降低控制温是有利的?</p> <p> 四、提高东莞塑胶制品尺寸精度的稳定?</p> <p> 利用温度调节系统保持模具温度的恒定,能减少东莞塑胶制品成型收缩率的波动,提高制品尺寸精度的稳定性。在可能的情况下采用较低的模具温度能有利于减小制品的成型收缩率。例如,对于结晶形塑料,,因为模温较低,东莞塑胶制品的结晶度低,较低的结晶度可以降低收缩率?</p> <p> <img src="http://www.hbnvc.com/uploads/news/20190715013428.jpg" width="445" height="356" title="东莞塑胶制品" align="" alt="东莞塑胶制品" /> </p> <p> <br /> </p></p> <div class="pagess"><div>下一?<a href="148.html">正确运用益智玩具,开发孩子智?/a></div> </div> <div class="info_key"> <span>相关标签?/span> </div> </div> <div class="clear"></div> </div> <div class="zklist"> <div class="zklist-T"> 相关新闻</div> <div class="zklist-C"> <ul> <li> <a href="/news/149.html" title="温度对东莞塑胶制品质量的影响有几?" rel="nofollow">温度对东莞塑胶制品质量的影响有几?</a> <span>2019-07-15</span> </li> <li> <a href="/news/148.html" title="正确运用益智玩具,开发孩子智? 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