<?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[模具设计师进阶——复杂抽芯机构设计要点——模具行业从业者必备知识手册]]></title><description><![CDATA[<p dir="auto">&lt;p&gt;做了八年模具设计，今天想聊聊抽芯机构设计的一些进阶心得。&lt;/p&gt;</p>
<p dir="auto">&lt;p&gt;&lt;strong&gt;斜顶抽芯&lt;/strong&gt;是最常见的，设计时要注意：&lt;/p&gt;<br />
&lt;ul&gt;<br />
&lt;li&gt;斜顶角度一般控制在3°~12°，超过15°容易卡死&lt;/li&gt;<br />
&lt;li&gt;斜顶头部要有足够的耐磨层，建议用氮化处理&lt;/li&gt;<br />
&lt;li&gt;复位时要有可靠的限位装置&lt;/li&gt;<br />
&lt;/ul&gt;</p>
<p dir="auto">&lt;p&gt;&lt;strong&gt;液压抽芯&lt;/strong&gt;适用大行程：&lt;/p&gt;<br />
&lt;ul&gt;<br />
&lt;li&gt;油缸选型要留30%的余量&lt;/li&gt;<br />
&lt;li&gt;一定要加装行程开关做安全联锁&lt;/li&gt;<br />
&lt;li&gt;液压油路中加装节流阀控制速度&lt;/li&gt;<br />
&lt;/ul&gt;</p>
<p dir="auto">&lt;p&gt;&lt;strong&gt;齿轮齿条抽芯&lt;/strong&gt;：&lt;/p&gt;<br />
&lt;ul&gt;<br />
&lt;li&gt;适合旋转脱螺纹的场合&lt;/li&gt;<br />
&lt;li&gt;齿轮模数不能太小（建议M2以上）&lt;/li&gt;<br />
&lt;li&gt;齿条导向要可靠，防偏载&lt;/li&gt;<br />
&lt;/ul&gt;</p>
<p dir="auto">&lt;p&gt;!&lt;a href="<a href="https://mj7.cn/uploads/default/mold_structure_15.png" rel="nofollow ugc">https://mj7.cn/uploads/default/mold_structure_15.png</a>"&gt;模具设计师进阶——复杂抽芯机构设计要点&lt;/a&gt;&lt;/p&gt;</p>
<p dir="auto">&lt;p&gt;&lt;strong&gt;设计避坑&lt;/strong&gt;：&lt;/p&gt;<br />
&lt;ol&gt;<br />
&lt;li&gt;抽芯力和复位力要准确计算&lt;/li&gt;<br />
&lt;li&gt;滑块的耐磨板要选好材料（铜合金或耐磨钢板）&lt;/li&gt;<br />
&lt;li&gt;润滑系统不能省&lt;/li&gt;<br />
&lt;/ol&gt;</p>
<p dir="auto">&lt;p&gt;大家对抽芯设计还有什么心得？一起交流！&lt;/p&gt;</p>
<p dir="auto">&lt;hr&gt;<br />
&lt;p&gt;&lt;strong&gt;相关推荐：&lt;/strong&gt;&lt;/p&gt;<br />
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&lt;/ul&gt;</p>
<p dir="auto">&lt;hr&gt;<br />
&lt;p&gt;&lt;strong&gt;延伸阅读：&lt;/strong&gt;&lt;/p&gt;<br />
&lt;ul&gt;<br />
&lt;li&gt;&lt;a href="/t/topic/5955"&gt;高速切削加工技术进阶——模具加工效率提升实践&lt;/a&gt;&lt;/li&gt;<br />
&lt;li&gt;&lt;a href="/t/topic/7168"&gt;三十年模具工，今天说说模具行业的工匠精神。&lt;/a&gt;&lt;/li&gt;<br />
&lt;li&gt;&lt;a href="/t/topic/7167"&gt;从欧洲模具展看行业趋势——自动化是唯一出路&lt;/a&gt;&lt;/li&gt;<br />
&lt;/ul&gt;</p>
<p dir="auto">&lt;p&gt;&lt;hr&gt;&lt;/p&gt;<br />
&lt;p&gt;&lt;p&gt;&lt;strong&gt;<img src="https://forum.mj7.cn/assets/plugins/nodebb-plugin-emoji/emoji/android/1f4cc.png?v=k0o2a4s5i30" class="not-responsive emoji emoji-android emoji--pushpin" title=":pushpin:" alt="📌" /> 推荐阅读：&lt;/strong&gt;&lt;/p&gt;&lt;/p&gt;<br />
&lt;p&gt;&lt;ul&gt;&lt;/p&gt;<br />
&lt;p&gt;  &lt;li&gt;&lt;a href="/t/%E5%9B%9E%E9%92%88return-pin/617"&gt;回针（Return Pin）&lt;/a&gt;&lt;/li&gt;&lt;/p&gt;<br />
&lt;p&gt;  &lt;li&gt;&lt;a href="/t/%E9%94%A5%E5%BD%A2%E7%B2%BE%E5%AE%9A%E4%BD%8Dtaper-lock/606"&gt;锥形精定位（Taper Lock）&lt;/a&gt;&lt;/li&gt;&lt;/p&gt;<br />
&lt;p&gt;  &lt;li&gt;&lt;a href="/t/%E6%9D%BE%E9%80%80%E6%8A%BD%E8%83%B6-%E6%B3%A8%E5%A1%91%E6%88%90%E5%9E%8B%E5%B7%A5%E8%89%BA%E5%8F%82%E6%95%B0/525"&gt;松退（抽胶）- 注塑成型工艺参数&lt;/a&gt;&lt;/li&gt;&lt;/p&gt;<br />
&lt;p&gt;&lt;/ul&gt;&lt;/p&gt;</p>
<p dir="auto">&lt;hr&gt;<br />
&lt;p&gt;新手建议收藏，老手欢迎指点。&lt;/p&gt;</p>
]]></description><link>https://forum.mj7.cn/topic/8537/模具设计师进阶-复杂抽芯机构设计要点-模具行业从业者必备知识手册</link><generator>RSS for Node</generator><lastBuildDate>Thu, 24 Sep 2026 11:52:10 GMT</lastBuildDate><atom:link href="https://forum.mj7.cn/topic/8537.rss" rel="self" type="application/rss+xml"/><pubDate>Tue, 12 May 2026 17:14:56 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to 模具设计师进阶——复杂抽芯机构设计要点——模具行业从业者必备知识手册 on Wed, 13 May 2026 16:02:25 GMT]]></title><description><![CDATA[<p dir="auto">&lt;p&gt;最近做毕业设计刚好在搞复杂抽芯，这篇文章帮了大忙。想问下王工，斜顶角度如果超过15度，除了容易卡死，还有没有别的风险？比如顶出力的变化？&lt;/p&gt;<br />
&lt;p&gt;&lt;img src="<a href="https://www.mj7.cn/images/emoji/twitter/pushpin.png?v=15" rel="nofollow ugc">https://www.mj7.cn/images/emoji/twitter/pushpin.png?v=15</a>" title="<img src="https://forum.mj7.cn/assets/plugins/nodebb-plugin-emoji/emoji/android/1f4cc.png?v=k0o2a4s5i30" class="not-responsive emoji emoji-android emoji--pushpin" title=":pushpin:" alt="📌" />" class="emoji" alt="<img src="https://forum.mj7.cn/assets/plugins/nodebb-plugin-emoji/emoji/android/1f4cc.png?v=k0o2a4s5i30" class="not-responsive emoji emoji-android emoji--pushpin" title=":pushpin:" alt="📌" />" loading="lazy" width="20" height="20"&gt; &lt;strong&gt;相关阅读&lt;/strong&gt;&lt;/p&gt;<br />
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&lt;li&gt;&lt;a href="<a href="https://mj7.cn/t/4941-4941" rel="nofollow ugc">https://mj7.cn/t/4941-4941</a>" rel="noopener nofollow ugc"&gt;模具导柱导套选型标准与配合公差详解&lt;/a&gt;&lt;/li&gt;<br />
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&lt;li&gt;&lt;a href="<a href="https://mj7.cn/t/pro-e-creo-3d" rel="nofollow ugc">https://mj7.cn/t/pro-e-creo-3d</a>" rel="noopener nofollow ugc"&gt;Pro/E模具设计从入门到精通 - Creo环境下的分模与全3D设计实战&lt;/a&gt;&lt;/li&gt;<br />
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]]></description><link>https://forum.mj7.cn/post/12401</link><guid isPermaLink="true">https://forum.mj7.cn/post/12401</guid><dc:creator><![CDATA[User_11_1011 4]]></dc:creator><pubDate>Wed, 13 May 2026 16:02:25 GMT</pubDate></item><item><title><![CDATA[Reply to 模具设计师进阶——复杂抽芯机构设计要点——模具行业从业者必备知识手册 on Tue, 12 May 2026 17:16:47 GMT]]></title><description><![CDATA[<p dir="auto">&lt;p&gt;感谢分享！正在学模具设计，抽芯机构这块是重点也是难点。请问斜顶的润滑结构设计有没有什么好的做法？我们在学校设计的斜顶案例中经常出现运动卡滞的问题。&lt;/p&gt;<br />
&lt;hr&gt;<br />
&lt;p&gt;&lt;strong&gt;&lt;img src="<a href="https://www.mj7.cn/images/emoji/twitter/camera_with_flash.png?v=15" rel="nofollow ugc">https://www.mj7.cn/images/emoji/twitter/camera_with_flash.png?v=15</a>" title="<img src="https://forum.mj7.cn/assets/plugins/nodebb-plugin-emoji/emoji/android/1f4f8.png?v=k0o2a4s5i30" class="not-responsive emoji emoji-android emoji--camera_with_flash" title=":camera_with_flash:" alt="📸" />" class="emoji" alt="<img src="https://forum.mj7.cn/assets/plugins/nodebb-plugin-emoji/emoji/android/1f4f8.png?v=k0o2a4s5i30" class="not-responsive emoji emoji-android emoji--camera_with_flash" title=":camera_with_flash:" alt="📸" />" loading="lazy" width="20" height="20"&gt; 结构图解&lt;/strong&gt;&lt;br&gt;<br />
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]]></description><link>https://forum.mj7.cn/post/12400</link><guid isPermaLink="true">https://forum.mj7.cn/post/12400</guid><dc:creator><![CDATA[student8 2]]></dc:creator><pubDate>Tue, 12 May 2026 17:16:47 GMT</pubDate></item><item><title><![CDATA[Reply to 模具设计师进阶——复杂抽芯机构设计要点——模具行业从业者必备知识手册 on Tue, 12 May 2026 17:16:46 GMT]]></title><description><![CDATA[<p dir="auto">&lt;p&gt;抽芯机构设计确实是模具设计中技术要求较高的部分。补充一个我们经历过的教训：液压抽芯的油缸一定要安装单向阀，防止液压管路意外断开时滑块后退。我们曾因此导致一套模芯撞废，损失了几万块钱。&lt;/p&gt;<br />
&lt;hr&gt;<br />
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