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 <title><![CDATA[关于步进电机与变蘋器谁定位更准确]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126.html]]></link>
 <description><![CDATA[Latest 50 replies of 关于步进电机与变蘋器谁定位更准确]]></description>
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 <description><![CDATA[首先 肯定是步进控制精确一些！ 

关于成本，如果是新做应该2个差不了多少&nbsp;&nbsp;
步进系统需要部件：1.步进驱动器 2.步进电机 3.脉冲发生器 （晶体管plc 可以发脉冲）

关于脉冲发生器的作用：通俗点讲就是控制步进马达进给量的控制信号！如1个2 相步进电机 它的步距角度1.8度 转一圈我们就给360度/1.8=200个脉冲 就 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#900666.html]]></link>
 <author><![CDATA[guaimao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 10 Nov 2010 02:26:40 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[步进电机定位准确]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#899796.html]]></link>
 <author><![CDATA[zcwzpy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 08 Nov 2010 23:47:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[呵呵，我的机器上不用脉冲发生器，问一下脉冲发生气的作用？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#899498.html]]></link>
 <author><![CDATA[智慧工控人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 08 Nov 2010 11:52:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你步进+驱动+脉冲发生器肯定不低余1000元]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898922.html]]></link>
 <author><![CDATA[weilinyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 07 Nov 2010 14:42:26 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[步进电机定位会比较准]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898586.html]]></link>
 <author><![CDATA[lvmei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 07 Nov 2010 07:50:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是步进电机定位准确的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898549.html]]></link>
 <author><![CDATA[dnvihc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 07 Nov 2010 06:29:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[那其实也没什么，关键是看你用什么变频器了，变频器的功能不一样定位的准确度也就不一样了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898519.html]]></link>
 <author><![CDATA[niningtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 07 Nov 2010 05:34:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是啊，我也觉得不贵啊，怎么那么多人说贵啊，难道变频器很便宜吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898481.html]]></link>
 <author><![CDATA[智慧工控人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 07 Nov 2010 04:40:25 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[步进电机300也不贵了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898472.html]]></link>
 <author><![CDATA[233708757]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 07 Nov 2010 04:33:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[步进电机价格高吗、一套42电机加驱动器才300元。变频器能买来吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898403.html]]></link>
 <author><![CDATA[汇荣铝业]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 07 Nov 2010 02:57:14 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[步进电机定位准确]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898362.html]]></link>
 <author><![CDATA[lhb2002]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 07 Nov 2010 01:39:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[步进电机准确,但价格高点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898261.html]]></link>
 <author><![CDATA[dracy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 06 Nov 2010 15:16:57 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[当然是步进电机准确,价格高点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898234.html]]></link>
 <author><![CDATA[jyw2896]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 06 Nov 2010 14:43:04 +0000]]></pubdate>
</item>
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 <title><![CDATA[]]></title>
 <description><![CDATA[在位置控制领域,步进电机的定位精度要高于变频器+编码器,现在定位精度比较高的是伺服系统,好的伺服系统+好的滚珠丝杆定位精度可以达到1微米]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898200.html]]></link>
 <author><![CDATA[qinchenglim]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 06 Nov 2010 13:56:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢两位 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898169.html]]></link>
 <author><![CDATA[智慧工控人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 06 Nov 2010 13:25:46 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[当然是步进电机准确]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898145.html]]></link>
 <author><![CDATA[tlw2007]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 06 Nov 2010 12:58:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[还是步进电机定位准确的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898140.html]]></link>
 <author><![CDATA[雪花飘飘]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 06 Nov 2010 12:56:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没人发言指点一下吗 [s:32]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-85126#898129.html]]></link>
 <author><![CDATA[智慧工控人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 06 Nov 2010 12:47:24 +0000]]></pubdate>
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