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 <title><![CDATA[求助：用一台变频器输出衡线速度的考虑方案]]></title>
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 <description><![CDATA[Latest 50 replies of 求助：用一台变频器输出衡线速度的考虑方案]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[张力控制和卷径计算。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1634560#1929487.html]]></link>
 <author><![CDATA[njshenxian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 Oct 2017 13:22:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1634560#1929189.html]]></link>
 <author><![CDATA[潘工pym]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 Oct 2017 06:32:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这种方案早在N年前就有了，选购一台收放卷同步器和张力按制器就搞定了！最早在江浙一带的印刷造纸行业中使用！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1634560#1929188.html]]></link>
 <author><![CDATA[潘工pym]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 Oct 2017 06:31:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没有压辊吗？ 总之，要保持线速度一定，当卷径变小了，转速肯定要加大，从而得出变频器频率加大。前提是你要知道初始直径，然后求出实时卷径，再得出转速，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1634560#1929163.html]]></link>
 <author><![CDATA[lqc2856]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 20 Oct 2017 04:12:41 +0000]]></pubdate>
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