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 <title><![CDATA[请问,这个该怎么控制?]]></title>
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 <description><![CDATA[Latest 50 replies of 请问,这个该怎么控制?]]></description>
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 <description><![CDATA[同意五楼的说法机械定位，比较可靠，较 省钱，可以限位桶口，让其在一条线上运动，桶口就不会偏到一边，再进行桶距限位最好是在皮带上，做等距的凹槽放桶，加上几个光电传感器就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-8992#168706.html]]></link>
 <author><![CDATA[lxzlovemky]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Jan 2008 07:15:10 +0000]]></pubdate>
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 <description><![CDATA[油漆筒是金属的吧！用金属感应开关检测筒口比较好，光电开关对环境要求较高！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-8992#168701.html]]></link>
 <author><![CDATA[wjz7211]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Jan 2008 06:51:59 +0000]]></pubdate>
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 <description><![CDATA[我觉得只好用编码器和光电开关共同来了,编码器找油漆桶,光电开关找口子]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-8992#168676.html]]></link>
 <author><![CDATA[chenjun2k]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Jan 2008 05:30:37 +0000]]></pubdate>
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 <description><![CDATA[用编码器控制脉冲性吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-8992#168672.html]]></link>
 <author><![CDATA[st103]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Jan 2008 05:26:33 +0000]]></pubdate>
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 <description><![CDATA[最简单和省钱的方法还是机械定位。随便在外桶的结构上作作文章就好了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-8992#168664.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Jan 2008 05:14:27 +0000]]></pubdate>
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 <description><![CDATA[请大家帮我想想办法!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-8992#168630.html]]></link>
 <author><![CDATA[冬雨]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Jan 2008 03:32:36 +0000]]></pubdate>
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 <description><![CDATA[[s:21]&nbsp; [s:21]&nbsp; [s:21]&nbsp; [s:31]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-8992#168574.html]]></link>
 <author><![CDATA[yjp-gyl]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 10 Jan 2008 01:17:33 +0000]]></pubdate>
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