<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[双色注塑模具设计要点：旋转式与平移式方案对比——模具行业从业者必备知识手册]]></title><description><![CDATA[<p dir="auto">双色注塑是高端产品的主流工艺。</p>
<p dir="auto">【旋转式】公模旋转180度，在第二射位注塑第二种材料。优点：效率高。缺点：设备贵，模具体积大。适合大批量生产。</p>
<p dir="auto">【平移式】滑块/滑板平移切换型腔。优点：设备要求低。缺点：结构复杂。适合小批量。</p>
<p dir="auto">【设计要点】1.两种材料熔点差需&gt;30℃（先高后低）。2.第一射产品需做机械咬合结构（T型槽或L型台阶）。3.分型面设计要考虑两次注塑的密封。</p>
<p dir="auto">【常见材料组合】PP+TPE、PC+TPU、PA+TPV。</p>
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<p dir="auto">还有什么补充参数吗？一起完善。</p>
]]></description><link>https://forum.mj7.cn/topic/2618/双色注塑模具设计要点-旋转式与平移式方案对比-模具行业从业者必备知识手册</link><generator>RSS for Node</generator><lastBuildDate>Mon, 10 Aug 2026 09:07:39 GMT</lastBuildDate><atom:link href="https://forum.mj7.cn/topic/2618.rss" rel="self" type="application/rss+xml"/><pubDate>Wed, 27 May 2026 09:08:41 GMT</pubDate><ttl>60</ttl></channel></rss>