<?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[模具表面处理技术全景：氮化&#x2F;PVD&#x2F;QPQ&#x2F;TD工艺对比]]></title><description><![CDATA[<p dir="auto">模具表面处理是提升模具寿命的关键手段。</p>
<p dir="auto"><strong>一、氮化处理</strong></p>
<ul>
<li>处理温度：480-580度</li>
<li>表面硬度：HV900-1200</li>
<li>硬化层深度：0.1-0.5mm</li>
<li>成本：约200-500元/次</li>
<li>适用：注塑模滑块、斜顶、顶针</li>
</ul>
<p dir="auto"><strong>二、PVD涂层</strong></p>
<ul>
<li>TiN（HV2300）、TiCN（HV3000）、TiAlN（HV3300）</li>
<li>涂层厚度：2-5um</li>
<li>成本：200-800元/次</li>
<li>适用：精密注塑模、医疗模、镜面模</li>
</ul>
<p dir="auto"><strong>三、QPQ处理</strong></p>
<ul>
<li>氮化+氧化复合处理</li>
<li>表面硬度：HV800-1100</li>
<li>适合精密件和腐蚀环境</li>
</ul>
<p dir="auto"><strong>四、TD处理</strong></p>
<ul>
<li>VC碳化物覆层，硬度HV2800-3500</li>
<li>模具寿命可达常规处理的3-10倍</li>
<li>适合冲压模具</li>
</ul>
<p dir="auto"><strong>五、选型参考</strong><br />
一般注塑模：氮化（寿命2-3倍）<br />
精密透明件：PVD涂层（3-5倍）<br />
压铸模：PVD+氮化（3-6倍）<br />
冲压模：TD处理（5-10倍）</p>
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<p dir="auto">你们厂里是怎么处理的？来评论区聊聊。</p>
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