<?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[模具失效分析与预防：磨损断裂疲劳——模具行业从业者必备知识手册]]></title><description><![CDATA[<p dir="auto">模具失效导致制品质量下降或模具报废。</p>
<h2>常见失效模式</h2>
<table class="table table-bordered table-striped">
<thead>
<tr>
<th>类型</th>
<th>比例</th>
<th>典型部位</th>
</tr>
</thead>
<tbody>
<tr>
<td>磨损失效</td>
<td>35%</td>
<td>分型面滑动面</td>
</tr>
<tr>
<td>断裂失效</td>
<td>25%</td>
<td>窄槽根尖角处</td>
</tr>
<tr>
<td>疲劳失效</td>
<td>15%</td>
<td>交变应力处</td>
</tr>
<tr>
<td>变形失效</td>
<td>15%</td>
<td>大面积镶块</td>
</tr>
<tr>
<td>腐蚀失效</td>
<td>10%</td>
<td>冷却水道</td>
</tr>
</tbody>
</table>
<h2>预防</h2>
<p dir="auto">磨损：选用耐磨钢+表面涂层(TiN/TiCN/DLC)<br />
断裂：尖角倒R角(R≥0.5mm)、控制热处理硬度<br />
疲劳：合理选材避免应力集中</p>
<h2>寿命管理</h2>
<p dir="auto">每5万次检查，建立失效案例库，可延长模具寿命20%-40%。</p>
<p dir="auto">#质量管控 #模具失效 #模具寿命</p>
<hr />
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<hr />
<p dir="auto">哪个方案更实用？欢迎投票讨论。</p>
]]></description><link>https://forum.mj7.cn/topic/763/模具失效分析与预防-磨损断裂疲劳-模具行业从业者必备知识手册</link><generator>RSS for Node</generator><lastBuildDate>Sat, 10 Oct 2026 05:49:45 GMT</lastBuildDate><atom:link href="https://forum.mj7.cn/topic/763.rss" rel="self" type="application/rss+xml"/><pubDate>Sun, 17 May 2026 22:08:27 GMT</pubDate><ttl>60</ttl></channel></rss>