<?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[模仁淬火变形——一个容易忽略的细节——模具行业从业者必备知识手册]]></title><description><![CDATA[<p dir="auto">最近处理一套模具，模仁设计完成后送去热处理，回来发现变形量超了0.03mm，硬是多磨了两次才到位。</p>
<p dir="auto">总结几点经验：</p>
<ol>
<li>淬火前留足余量，尤其是薄壁或异形结构，变形量往往比想象中大</li>
<li>材料预处理很重要——调质做得好的料，淬火变形明显可控</li>
<li>筋条和壁厚差异大的地方最容易翘曲，设计阶段就尽量均匀壁厚</li>
<li>如果精度要求高，考虑两次回火甚至三次回火稳定尺寸</li>
</ol>
<p dir="auto">一次变形让你多等三天这种事，遇过一次就记住了。</p>
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<p dir="auto">各位师傅觉得这个方案怎么样？有更好的做法吗？</p>
]]></description><link>https://forum.mj7.cn/topic/2732/模仁淬火变形-一个容易忽略的细节-模具行业从业者必备知识手册</link><generator>RSS for Node</generator><lastBuildDate>Tue, 11 Aug 2026 20:24:36 GMT</lastBuildDate><atom:link href="https://forum.mj7.cn/topic/2732.rss" rel="self" type="application/rss+xml"/><pubDate>Wed, 27 May 2026 10:15:03 GMT</pubDate><ttl>60</ttl></channel></rss>