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<tr> <td class="right_lu">您當前所在的位置：<a href="index.asp">首頁</a>>><a href="xwzx.asp?cid=8">售后服務</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主拖動給定和放大電路調試法</td> </tr> <tr> <td class="dsjxx_time">更新時間：11/2/2011 來自：北京利昌恒業印刷機械有限公司 瀏覽次數：9175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="宋體"><span style="font-size:12px;">當</span><span lang="EN-US" style="font-size:12px;">JJ204</span><span style="font-size:12px;">印刷機主拖動電機在手動正常而程控不正常、但是控制電路都正常時，就必須進行給定電路和放大電路板的調試。但如果調試方法不當，調試過程中就會出現很多問題，造成設備的損壞，影響生產。現在，筆者把在工作中常用到的幾個調試步驟總結出來，供同行參考。</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="宋體"><span lang="EN-US" style="font-size:12px;color:#333333;">1. </span><span style="font-size:12px;color:#333333;">設置速度給定器，將速度設為正常轉速。<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="宋體"><span lang="EN-US" style="font-size:12px;color:#333333;">2. </span><span style="font-size:12px;color:#333333;">調節<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;">射極輸出放大器<span lang="EN-US" style="font-size:12px;">)</span>，使轉速為正常轉速。<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="宋體"><span lang="EN-US" style="font-size:12px;color:#333333;">3. </span><span style="font-size:12px;color:#333333;">如果調節<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;">無效，需先調節<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;">電壓負反饋<span lang="EN-US" style="font-size:12px;">)</span>，再調節<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;">調節時，觀察輸出電壓表，當電壓發生變化時停止調節。<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="宋體"><span lang="EN-US" style="font-size:12px;color:#333333;">4. </span><span style="font-size:12px;color:#333333;">觀察輸出電流表。如果電流變化大就調小<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;">電流正反饋<span lang="EN-US" style="font-size:12px;">)</span>；如果電流沒有變化就調節<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;">，當電流出現波動時，適當將其往回調一點即可。<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="宋體"><span lang="EN-US" style="font-size:12px;color:#333333;">5. </span><span style="font-size:12px;color:#333333;">仔細觀察電流、電壓表的變化情況，適當調節<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;">比例電阻<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;">微分負反饋強度<span lang="EN-US" style="font-size:12px;">)</span>，直至輸出穩定為止。<span lang="EN-US"><o :p></o :p></span></span></font></p> <span style="font-size:12px;color:#333333;font-family:宋體;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;">多次進行試車運行，觀察啟動是否平滑，停車是否有沖動。如果正常，調試完畢；反之，請重復上述</span><span lang="EN-US" style="font-size:12px;color:#333333;font-family:'times new roman';mso-fareast-font-family:宋體;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:宋體;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;">個步驟，使各調節電位器與正常運行速度達到最佳的結合。</span></td> </tr> </table> </td> </tr> </table> </td> </tr> </table> <!--底部--> <table width="100%" border="0" cellspacing="1" cellpadding="0" class="bottom"> <tr> <td> <a href="gywm.asp">公司介紹</a> | <a href="shfw.asp">服務中心</a> | <a href="products.asp">產品展示</a> | <a href="lyb.asp">在線留言</a> | <a href="lxwm.asp">聯系我們</a><br /> Copyright © 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