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title="數(shù)控文章" href="/bethel/news">數(shù)控文章</a></li> </ol> </nav> </div> <!--/sub_menu--><!-- 面包屑導(dǎo)航結(jié)束 --> <!-- 頁面標題開始 --> <div id="dgxongak4" class="title"> <h3><a>淺談數(shù)控車床坐標系一)<small></small></a></h3> </div> <!-- 頁面標題結(jié)束 --> <hr class="featurette-divider"> <!-- 中部開始 --> <div id="dgxongak4" class="container"> <!-- 正文 --> <div id="dgxongak4" class="lead" id="print"> <p> </p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">1 </span><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">數(shù)控坐標系簡介</span><span lang="EN-US" style="font-size:12.0pt;font-family:宋體;mso-bidi-font-family:宋體; mso-font-kerning:0pt"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-family:宋體;mso-font-kerning:0pt"><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(shù)控機床</span></a></span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">的加工是由程序控制完成的</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋體;mso-font-kerning:0pt">所以坐標系的確定與使用非常重要。根據(jù)</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">ISO841 </span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">標準</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span lang="EN-US" style="font-size:12.0pt;mso-bidi-font-family:宋體;mso-font-kerning: 0pt"><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(shù)控機床</span></a></span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">坐標系用右手笛卡兒坐標系作為標準確定。數(shù)控車床平行于主軸方向即縱向為</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">Z</span><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">軸</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">垂直于主軸方向即橫向為</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">X </span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋體;mso-font-kerning:0pt">軸</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋體;mso-font-kerning:0pt">刀具遠離工件方向為正向。</span><span lang="EN-US" style="font-size:12.0pt;font-family:宋體;mso-bidi-font-family:宋體; mso-font-kerning:0pt"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">數(shù)控車床有三個坐標系即機械坐標系、編程坐標系和工件坐標系。機械坐標系的原點是生產(chǎn)廠家在制造機床時的固定坐標系原點</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">也稱機械零點。它是在機床裝配、調(diào)試時已經(jīng)確定下來的</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋體;mso-font-kerning:0pt">是機床加工的基準點。在使用中機械坐標系是由參考點來確定的</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">機床系統(tǒng)啟動后</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋體;mso-font-kerning:0pt">進行返回參考點操作</span><span lang="EN-US" style="font-size: 12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋體;mso-font-kerning:0pt">機械坐標系就建立了。坐標系一經(jīng)建立</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">只要不切斷電源</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋體;mso-font-kerning:0pt">坐標系就不會變化。編程坐標系是編程序時使用的坐標系</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">一般把我們把</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">Z</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">軸與工件軸線重合</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">,X </span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋體;mso-font-kerning:0pt">軸放在工件端面上。工件坐標系是機床進行加工時使用的坐標系</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">它應(yīng)該與編程坐標系一致。能否讓編程坐標系與工坐標系一致</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">使操作的關(guān)鍵。</span><span lang="EN-US" style="font-size:12.0pt;font-family:宋體; mso-bidi-font-family:宋體;mso-font-kerning:0pt"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">在使用中我們發(fā)現(xiàn)</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,FANUC </span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">系統(tǒng)與航天數(shù)控系統(tǒng)的機械坐標系確定基本相同</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋體;mso-font-kerning:0pt">都是在系統(tǒng)啟動后回參考點確定。</span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"> </p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">2 </span><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">淺談兩種系統(tǒng)坐標系的確定</span><span lang="EN-US" style="font-size:12.0pt;font-family:宋體;mso-bidi-font-family:宋體; mso-font-kerning:0pt"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">FANUC </span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">系統(tǒng)確定工件坐標系有三種方法。</span><span lang="EN-US" style="font-size:12.0pt;font-family: 宋體;mso-bidi-font-family:宋體;mso-font-kerning:0pt"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">第一種是</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">:</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">通過對刀將刀偏值寫入?yún)?shù)從而獲得工件坐標系。這種方法操作簡單</span><span lang="EN-US" style="font-size: 12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋體;mso-font-kerning:0pt">可靠性好</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">他通過刀偏與機械坐標系緊密的聯(lián)系在一起</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">只要不斷電、不改變刀偏值</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋體;mso-font-kerning:0pt">工件坐標系就會存在且不會變</span><span lang="EN-US" style="font-size: 12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family: 宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋體;mso-font-kerning:0pt">即使斷電</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">重啟后回參考點</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">工件坐標系還在原來的位置。</span><span lang="EN-US" style="font-size:12.0pt;font-family: 宋體;mso-bidi-font-family:宋體;mso-font-kerning:0pt"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">第二種是</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">:</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">用</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">G50 </span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">設(shè)定坐標系</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋體;mso-font-kerning:0pt">對刀后將刀移動到</span><span lang="EN-US" style="font-size:12.0pt; mso-font-kerning:0pt">G50</span><span style="font-size:12.0pt;font-family:宋體; mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"; mso-bidi-font-family:宋體;mso-font-kerning:0pt">設(shè)定的位置才能加工。對到時先對基準刀</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">其他刀的刀偏都是相對于基準刀的。</span><span lang="EN-US" style="font-size:12.0pt; font-family:宋體;mso-bidi-font-family:宋體;mso-font-kerning:0pt"><o:p></o:p></span></p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">第三種方法是</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">MDI </span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">參數(shù)</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">運用</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">G54~G59</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning: 0pt">可以設(shè)定六個坐標系</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning: 0pt">,</span><span style="font-size:12.0pt;font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: 宋體;mso-font-kerning:0pt">這種坐標系是相對于參考點不變的</span><span lang="EN-US" style="font-size:12.0pt;mso-font-kerning:0pt">,</span><span style="font-size: 12.0pt;font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";mso-bidi-font-family:宋體;mso-font-kerning:0pt">與刀具無關(guān)。這種方法適用于批量生產(chǎn)且工件在卡盤上有固定裝夾位置的加工。</span><span lang="EN-US" style="font-size:12.0pt;font-family:宋體;mso-bidi-font-family:宋體; mso-font-kerning:0pt"><o:p></o:p></span></p> <p> </p> <p class="MsoNormal" align="left" style="text-indent: 24pt;"><span lang="EN-US" style="font-size:12.0pt;font-family:宋體;mso-bidi-font-family:宋體; mso-font-kerning:0pt"><o:p></o:p></span></p></div> <div id="dgxongak4" class="blank30"></div> <!-- tag --> <div id="dgxongak4" class="blank10"></div> 標簽： <a href='/index.php?case=tag&act=show&tag=%E7%B3%BB%E7%BB%9F' target='_blank'>系統(tǒng)</a> <a href='/index.php?case=tag&act=show&tag=%E6%95%B0%E6%8E%A7%E6%9C%BA%E5%BA%8A' target='_blank'>數(shù)控機床</a> <div 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