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style="font-size:12px;">E-mail:yswhb2004@163.com<br /> </span><a href="http://www.lzjpj.com/">http://www.lzjpj.com</a> </td> </tr> </table> </td> <td> </td> <td valign="top"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td class="right_lu">您当前所在的位置：<a href="index.asp">首页</a>>><a href="xwzx.asp?cid=8">售后服务</a></td> </tr> <tr> <td class="right_content"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td class="dsjxx_t">北人JJ204主拖动给定和放大电路调试法</td> </tr> <tr> <td class="dsjxx_time">更新时间：11/2/2011 来自：北京利昌恒业印刷机械有限公司 浏览次数：8624次</td> </tr> <tr> <td class="dsjxx_content"><p style="word-break:break-all;line-height:18pt;"><span style="font-size:10.5pt;color:#333333;"><font face="宋体"><span style="font-size:12px;">当</span><span lang="EN-US" style="font-size:12px;">JJ204</span><span style="font-size:12px;">印刷机主拖动电机在手动正常而程控不正常、但是控制电路都正常时，就必须进行给定电路和放大电路板的调试。但如果调试方法不当，调试过程中就会出现很多问题，造成设备的损坏，影响生产。现在，笔者把在工作中常用到的几个调试步骤总结出来，供同行参考。</span><span lang="EN-US" style="font-size:12px;"> <o :p></o :p></span></font></span></p> <p class="9" style="margin:auto 0cm;word-break:break-all;line-height:18pt;"><font face="宋体"><span lang="EN-US" style="font-size:12px;color:#333333;">1. </span><span style="font-size:12px;color:#333333;">设置速度给定器，将速度设为正常转速。<span lang="EN-US"><o :p></o :p></span></span></font></p> <p class="9" style="margin:auto 0cm;word-break:break-all;line-height:18pt;"><font face="宋体"><span lang="EN-US" style="font-size:12px;color:#333333;">2. </span><span style="font-size:12px;color:#333333;">调节<span lang="EN-US" style="font-size:12px;">3W</span></span><span lang="EN-US" style="font-size:12px;color:#333333;position:relative;top:2.5pt;mso-text-raise:-2.5pt;">1</span><span lang="EN-US" style="font-size:12px;color:#333333;">(</span><span style="font-size:12px;color:#333333;">射极输出放大器<span lang="EN-US" style="font-size:12px;">)</span>，使转速为正常转速。<span lang="EN-US"><o :p></o :p></span></span></font></p> <p class="9" style="margin:auto 0cm;word-break:break-all;line-height:18pt;"><font face="宋体"><span lang="EN-US" style="font-size:12px;color:#333333;">3. </span><span style="font-size:12px;color:#333333;">如果调节<span lang="EN-US" style="font-size:12px;">3W</span></span><span lang="EN-US" style="font-size:12px;color:#333333;position:relative;top:2.5pt;mso-text-raise:-2.5pt;">1</span><span style="font-size:12px;color:#333333;">无效，需先调节<span lang="EN-US" style="font-size:12px;">7W</span></span><span lang="EN-US" style="font-size:12px;color:#333333;position:relative;top:2.5pt;mso-text-raise:-2.5pt;">2</span><span lang="EN-US" style="font-size:12px;color:#333333;">(</span><span style="font-size:12px;color:#333333;">电压负反馈<span lang="EN-US" style="font-size:12px;">)</span>，再调节<span lang="EN-US" style="font-size:12px;">3W</span></span><span lang="EN-US" style="font-size:12px;color:#333333;position:relative;top:2.5pt;mso-text-raise:-2.5pt;">1</span><span style="font-size:12px;color:#333333;position:relative;top:2.5pt;mso-text-raise:-2.5pt;">，</span><span style="font-size:12px;color:#333333;">调节时，观察输出电压表，当电压发生变化时停止调节。<span lang="EN-US"><o :p></o :p></span></span></font></p> <p class="9" style="margin:auto 0cm;word-break:break-all;line-height:18pt;"><font face="宋体"><span lang="EN-US" style="font-size:12px;color:#333333;">4. </span><span style="font-size:12px;color:#333333;">观察输出电流表。如果电流变化大就调小<span lang="EN-US" style="font-size:12px;">7W</span></span><span lang="EN-US" style="font-size:12px;color:#333333;position:relative;top:2.5pt;mso-text-raise:-2.5pt;">1</span><span lang="EN-US" style="font-size:12px;color:#333333;">(</span><span style="font-size:12px;color:#333333;">电流正反馈<span lang="EN-US" style="font-size:12px;">)</span>；如果电流没有变化就调节<span lang="EN-US" style="font-size:12px;">7W</span></span><span lang="EN-US" style="font-size:12px;color:#333333;position:relative;top:2.5pt;mso-text-raise:-2.5pt;">1</span><span style="font-size:12px;color:#333333;">，当电流出现波动时，适当将其往回调一点即可。<span lang="EN-US"><o :p></o :p></span></span></font></p> <p class="9" style="margin:auto 0cm;word-break:break-all;line-height:18pt;"><font face="宋体"><span lang="EN-US" style="font-size:12px;color:#333333;">5. </span><span style="font-size:12px;color:#333333;">仔细观察电流、电压表的变化情况，适当调节<span lang="EN-US" style="font-size:12px;">7W</span></span><span lang="EN-US" style="font-size:12px;color:#333333;position:relative;top:2.5pt;mso-text-raise:-2.5pt;">3</span><span lang="EN-US" style="font-size:12px;color:#333333;">(</span><span style="font-size:12px;color:#333333;">比例电阻<span lang="EN-US" style="font-size:12px;">)</span>、<span lang="EN-US" style="font-size:12px;">7W</span></span><span lang="EN-US" style="font-size:12px;color:#333333;position:relative;top:2.5pt;mso-text-raise:-2.5pt;">4</span><span lang="EN-US" style="font-size:12px;color:#333333;">(</span><span style="font-size:12px;color:#333333;">微分负反馈强度<span lang="EN-US" style="font-size:12px;">)</span>，直至输出稳定为止。<span lang="EN-US"><o :p></o :p></span></span></font></p> <span style="font-size:12px;color:#333333;font-family:宋体;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;">多次进行试车运行，观察启动是否平滑，停车是否有冲动。如果正常，调试完毕；反之，请重复上述</span><span lang="EN-US" style="font-size:12px;color:#333333;font-family:'times new roman';mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;">5</span><span style="font-size:12px;color:#333333;font-family:宋体;mso-ascii-font-family:'times new roman';mso-hansi-font-family:'times new roman';mso-font-kerning:1.0pt;mso-bidi-font-family:'times new roman';mso-ansi-language:en-us;mso-fareast-language:zh-cn;mso-bidi-language:ar-sa;">个步骤，使各调节电位器与正常运行速度达到最佳的结合。</span></td> </tr> </table> </td> </tr> </table> 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