<?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[镜面模具型腔抛光经验谈——模具行业从业者必备知识手册]]></title><description><![CDATA[<p dir="auto">做型腔抛光快十年了，今天说说镜面抛光的几个关键点。</p>
<p dir="auto">首先钢材很重要，NAK80和S136比738抛光效果好太多了，省一半时间。</p>
<p dir="auto">步骤上我的习惯：</p>
<ol>
<li>油石320# 去刀纹</li>
<li>600# 过渡</li>
<li>800# 细抛</li>
<li>1200# 金相砂纸</li>
<li>最后钻石膏 3μm→1μm</li>
</ol>
<p dir="auto">关键是一定要每道工序把上一道的纹路完全去除干净，不然到后面才发现底层纹路没去干净，就得从头来。</p>
<p dir="auto">还有就是温度——抛光的时候别太用力，摩擦发热会导致局部退火软点，后续抛不亮了。</p>
<p dir="auto">有同行交流一下超声波抛光的心得吗？我试了几次感觉还不熟练。</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>
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