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font-family: 宋體;">引言</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">現代的數控系統雖然尚未達到智能化很高的程度</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">但隨著徽處理機技術的快速發展</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">數控系統的自診斷能力越來越強</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">從原來簡單的診斷朝著多功能和智能化方向發展</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">其報警種類開始只有</span><span lang="EN-US">10</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">種</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">現在已達到幾千種</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">現已具備了較強的自診斷功能</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">能隨時監視數控系統的硬件和軟件的工作狀況</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">當數控系統一旦發生故障</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">借助系統的自診斷功能</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">往往可以迅速</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">準確地查明原因并確定故障部位</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">因此</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">對維修人員來說熟悉和運用系統的自診斷功能是十分重要的</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">2.</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">常用的故障自診斷技術</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">常用的自診斷方法歸納起來一般可分三種</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">下面分別介紹三種自診斷方法在維修中的應用</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">1.</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">開機自診斷</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">每當數控系統通電開始</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">系統內部自診斷軟件對系統中最關鍵的硬件和控制軟件</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">如裝置中</span><span lang="EN-US">CPU RAM ROM</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">等芯片</span><span lang="EN-US">MDI CRT I O</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">等模塊及監控軟件</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">系統軟件等逐一進行檢測</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">并將檢測結果在</span><span lang="EN-US">CRT</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">上顯示出來</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">一旦檢測通不過</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">即在</span><span lang="EN-US">CRT</span><span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">上顯示報警信息或報警號</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">指出哪個部分發生了故障</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">只有當全部開機診斷項目都正常通過后</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">系統才能進入正常運行準備狀態</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">開機診斷通常在一分鐘內結束</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">有些采用硬盤驅動器的數控系統</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">如</span><span lang="EN-US">SINUMER 802S</span><span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">系統因要調用硬盤中的文件</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">時間要略長一些</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">上述開機診斷有些可將故障原因定位到電路板或模塊上</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">有些甚至可定位到芯片上</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">如指出哪塊</span><span lang="EN-US">EPROM</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">出了故障</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">在不少情況下僅將故障原因定位在某一范圍內</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">維修人員通過維修手冊中所指出的有關數種可能造成的原因及相應排除方法中就能找到真正的故障原因并加以排除</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">例如</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">浙江凱達機械有限公司的</span><span lang="EN-US">SIEMENS802D</span><span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">系統</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">開機通電后</span><span lang="EN-US"> 1</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">號報警顯示</span><span lang="EN-US"> BATTERY ALARM POWER SUPPLY</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">很明顯指示數控系統斷電保護電池沒電</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">更換新的電池后</span><span lang="EN-US">(</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">注意</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">一定要在系統帶電的情況下更換電池</span><span lang="EN-US">) </span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">將故障復位</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">機床恢復使用</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">例如</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">一臺采用日本</span><span lang="EN-US">FANUC 0i</span><span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">系統的數控車床</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">出現</span><span lang="EN-US">2043</span><span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">號報警</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">顯示</span><span lang="EN-US"> HYD. PRESSURE DOWN </span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">指示液壓系統壓力低</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">根據報警信息</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">對液壓系統進行檢查</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">發現液壓壓力確實很低</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">對液壓壓力進行調整</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">機床便恢復了正常使用以上是兩個典型的開機自診斷實例</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">從上例中可以看出開機自診斷對數控系統的最重要部分</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">計算機主柜上的裝置進行檢查</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">以確定哪塊裝置出了故障</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">這類故障如果采用人工檢查方法往往是很難找到</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">除非有一套備用裝置逐一調換試驗</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在對數控系統進行維修時</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">維修人員應了解該系統的自診斷能力</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">所能檢查的內容及范圍</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">做到心中有數</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在遇到級別較高的故障報警時</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">可以重新開機</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">讓系統再進行開機自診斷</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">檢查數控系統這些關鍵部分是否正常</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">2.</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">運行自診斷</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">運行自診斷是數控系統正常工作時</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">運行內部診斷程序</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">對系統本身</span><span lang="EN-US"> PLC </span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">位置伺服單元及與數控裝置相連的其它外部裝置進行自動測試</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">檢查</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">并顯示有關狀態信息和故障信息</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">只要數控系統不斷電</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">這種自診斷會反復進行</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">不會停止</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">CNC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">系統的自診斷能力不僅能在</span><span lang="EN-US">CRT</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">上顯示故障報警信息</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">而且能以多頁的</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">診斷地址</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">和</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">診斷數據</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">的形式為用戶提供各種機床狀態信息</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">這些狀態信息有</span></p> <p class="MsoNormal" style="text-indent:5.25pt;mso-char-indent-count:.5"><span lang="EN-US">CNC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">系統與機床之間的接口輸入輸出信號狀態</span></p> <p class="MsoNormal" style="text-indent:5.25pt;mso-char-indent-count:.5"><span lang="EN-US">CNC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">與</span><span lang="EN-US">PLC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">之間輸人輸出信號狀態</span></p> <p class="MsoNormal" style="text-indent:5.25pt;mso-char-indent-count:.5"><span lang="EN-US">PLC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">與機床之間輸入</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">輸出信號狀態</span></p> <p class="MsoNormal" style="text-indent:5.25pt;mso-char-indent-count:.5"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">各坐標軸位置的偏差值</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">刀具距機床參考點的距離</span></p> <p class="MsoNormal" style="text-indent:5.25pt;mso-char-indent-count:.5"><span lang="EN-US">CNC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">內部各存儲器的狀態信息</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">伺服系統的狀態信息</span></p> <p class="MsoNormal" style="text-indent:5.25pt;mso-char-indent-count:.5"><span lang="EN-US">MDI</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">面板</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">機床操作面板的狀態信息</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">等等</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">充分利用</span><span lang="EN-US">CNC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">系統提供的這些狀態信息</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">就能迅速準確地查明故障</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">排除故障</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">例如</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">一臺采用日本</span><span lang="EN-US">FANUC 0i</span><span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">系統的數控車床出現故障開機運行后就出現</span><span lang="EN-US">2041</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">號報警</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">指示</span><span lang="EN-US">X</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">軸超限位的報警</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">但觀察</span><span lang="EN-US">X</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">軸并沒有超限位</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">并且</span><span lang="EN-US">X</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">軸的限位開關也沒有壓下</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">但利用</span><span lang="EN-US">NC</span><span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">系統的</span><span lang="EN-US">PMC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">狀態顯示功能</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">檢查</span><span lang="EN-US">X</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">軸限位開關的</span><span lang="EN-US">PMC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">輸入</span><span lang="EN-US">X0.0</span><span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">的狀態為</span><span lang="EN-US"> 1 </span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">開關觸點確實已經接通</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">說明開關出現了問題</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">更換新的開關后</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">機床故障消除</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">例如</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">一臺采用華中</span><span lang="EN-US">HNC-21</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">系統的數控車床出現故障開機運行后就出現報警</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">指示</span><span lang="EN-US"> Z</span><span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">軸跟蹤誤差過大</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">的報警</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">經觀察在系統中顯示</span><span lang="EN-US">Z</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">軸已經運動</span> <span style="font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">利用</span><span lang="EN-US">NC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">系統的</span><span lang="EN-US">PMC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">狀態顯示功能</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">檢查</span><span lang="EN-US">Z</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">軸伺服的</span><span lang="EN-US">PMC</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">輸入狀態為</span><span lang="EN-US"> 1 </span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">開關觸點確實已經接通</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">說明</span><span lang="EN-US">Z</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">軸機械出現了問題</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">沒有運動</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">經檢查后發現裝置過熱</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">冷卻后</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">機床故障消除</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">3.</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">脫機診斷</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">一些早期的數控系統</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">當系統出現故障時</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">往往需要停機</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">使用隨機的專用診斷紙帶對系統進行脫機診斷</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">根據脫機診斷做出相應的故障排除工作</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">對于早期數控系統</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">脫機自診在</span><span lang="EN-US"><a target="_blank"><span lang="EN-US" style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">數控機床</span></a></span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">故障排除占有重要的作用</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US">3.</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">結束語</span></p> <p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">對維修人員來說</span> <span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">熟悉和運用系統的自診斷功能十分重要</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">在數控系統發生故障時借助系統的自診斷功能</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">往往可以迅速</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">準確地查明原因并確定故障部位</span> <span style="font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">使診斷故障難度大大降低</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">因此自診斷功能是數控維修中最有效的方法</span></p> <h1 align="center" style="margin-top:4.5pt;margin-right:0cm;margin-bottom:7.5pt; margin-left:0cm;text-align:center;line-height:13.5pt"><span style="font-size: 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