<?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[顶针设计 — 模具行业的实用知识：核心技术要点、操作步骤与参数设置指南]]></title><description><![CDATA[<p dir="auto">顶针是注塑模具顶出系统的核心零件，用于将成型后的产品从型芯上顶出。顶针设计需考虑以下因素：顶出位置避免顶白、顶针直径保证强度、数量保证力平衡和顶出行程。标准顶针有圆形和扁形两种，材质通常选用SKD61或SKH51并进行氮化处理。对于复杂产品，采用阶梯顶针或套筒顶针可改善受力分布。</p>
<hr />
<p dir="auto"><img src="https://forum.mj7.cn/assets/plugins/nodebb-plugin-emoji/emoji/android/1f4cc.png?v=ctg9fn65o46" class="not-responsive emoji emoji-android emoji--pushpin" title=":pushpin:" alt="📌" /> <strong>相关内容推荐</strong>：</p>
<ul>
<li><a href="/t/return-pin">回针（Return Pin）</a></li>
<li><a href="/t/taper-lock">锥形精定位（Taper Lock）</a></li>
<li><a href="/t/ejector-pin">顶针（Ejector Pin）注塑模具用</a></li>
</ul>
<hr />
<p dir="auto"><img src="https://forum.mj7.cn/assets/plugins/nodebb-plugin-emoji/emoji/android/1f4d6.png?v=ctg9fn65o46" class="not-responsive emoji emoji-android emoji--book" title=":book:" alt="📖" /> <strong>更多模具设计内容</strong></p>
<ul>
<li><a href="https://mj7.cn/t/%E7%94%B5%E5%AD%90%E5%99%A8%E4%BB%B6%E4%BA%A7%E5%93%81%E6%A8%A1%E5%85%B7/3329" rel="nofollow ugc"><img src="https://forum.mj7.cn/assets/plugins/nodebb-plugin-emoji/emoji/android/1f517.png?v=ctg9fn65o46" class="not-responsive emoji emoji-android emoji--link" title=":link:" alt="🔗" /> 电子器件产品模具</a></li>
<li><a href="https://mj7.cn/t/%E6%A8%A1%E5%85%B7%E5%BC%B9%E7%B0%A7%E8%A7%84%E6%A0%BC%E5%B0%BA%E5%AF%B8%E5%A4%A7%E5%85%A8-%E5%86%85%E5%BE%84%E5%A4%96%E5%BE%84%E8%87%AA%E7%94%B1%E9%95%BF%E6%A0%87%E5%87%86%E5%8F%82%E6%95%B0%E6%89%8B%E5%86%8C/4872" rel="nofollow ugc"><img src="https://forum.mj7.cn/assets/plugins/nodebb-plugin-emoji/emoji/android/1f517.png?v=ctg9fn65o46" class="not-responsive emoji emoji-android emoji--link" title=":link:" alt="🔗" /> 模具弹簧规格尺寸大全——内径外径自由长标准参数手册</a></li>
<li><a href="https://mj7.cn/t/%E6%A8%A1%E5%85%B7%E6%BB%91%E5%9D%97%E8%AE%BE%E8%AE%A1-%E6%96%9C%E5%AF%BC%E6%9F%B1%E8%A7%92%E5%BA%A6%E8%AE%A1%E7%AE%97%E4%B8%8E%E8%A1%8C%E7%A8%8B%E6%A0%A1%E6%A0%B8/7298" rel="nofollow ugc"><img src="https://forum.mj7.cn/assets/plugins/nodebb-plugin-emoji/emoji/android/1f517.png?v=ctg9fn65o46" class="not-responsive emoji emoji-android emoji--link" title=":link:" alt="🔗" /> 模具滑块设计：斜导柱角度计算与行程校核</a></li>
</ul>
<hr />
<p dir="auto">这个参数你们一般设多少？评论区说说。</p>
]]></description><link>https://forum.mj7.cn/topic/3362/顶针设计-模具行业的实用知识-核心技术要点-操作步骤与参数设置指南</link><generator>RSS for Node</generator><lastBuildDate>Mon, 10 Aug 2026 03:58:35 GMT</lastBuildDate><atom:link href="https://forum.mj7.cn/topic/3362.rss" rel="self" type="application/rss+xml"/><pubDate>Fri, 29 May 2026 02:05:47 GMT</pubDate><ttl>60</ttl></channel></rss>