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id="tpnrxl7j" class="title"> <h3><a>如何對數控銑床加工中心來做選擇<small></small></a></h3> </div> <!-- 頁面標題結束 --> <hr class="featurette-divider"> <!-- 中部開始 --> <div id="tpnrxl7j" class="container"> <!-- 正文 --> <div id="tpnrxl7j" class="lead" id="print"> <p> <a target="_blank" style="font-size: medium; font-family: 宋體;">數控銑床</a><span style="font-size: medium; font-family: 宋體;">最基本的加工方式都是銑削，主要的加工內容為銑削平面、臺階、溝槽、曲線與曲面等。另外，</span><a target="_blank" style="font-size: medium; font-family: 宋體;">數控銑床</a><span style="font-size: medium; font-family: 宋體;">也可以進行鉆孔、擴孔、鉸孔、惚孔和攻螺紋等工藝的加工。</span></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> (1)</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><a target="_blank">數控銑床</a>的基本加工特點</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> </font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">數控銑削加工既具有普通銑床的以箱體類零件為主要加工對象的特點，也具有其自身的特點。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> </font></span><strong><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><a target="_blank">數控銑床</a></span></strong><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的加工具有適應性強、范圍廣的特點。其靈活性強的特點主要表現在利用一臺機床可以加工不同形狀的零件，如圖</span><span lang="EN-US"><font face="Times New Roman">2-14</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">所示。在數控銑床上加工的絕大多數零件屬于平面類零件，一般只需用數控銑床的兩坐標聯動就可以完成加工。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><img src="/upload/images/201409/14108788520503.jpg" alt="" /></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><span lang="EN-US"><!--?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /--><v:shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:connecttype="rect" gradientshapeok="t" o:extrusionok="f"></v:path><!--?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /--><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype><v:shape style="WIDTH: 414.75pt; HEIGHT: 117.75pt" id="_x0000_i1025" type="#_x0000_t75"><v:imagedata o:title="" src="file:///E:\QQPCmgr\Temp\msohtml1\01\clip_image001.png"></v:imagedata></v:shape></span></p> <p style="margin: 0cm 0cm 0pt; text-align: center;" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> </font></span></font><b><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:宋體;mso-bidi-font-family:宋體; color:blue;mso-font-kerning:0pt"><a ><span lang="EN-US">加工中心</span></a></span></b><span style="font-family: 宋體;">專業制造</span></p> <p class="MsoNormal"><span style="mso-bidi-font-size:10.5pt;font-family:宋體;mso-bidi-font-family:宋體; mso-font-kerning:0pt;mso-bidi-font-weight:bold"><span lang="EN-US"><o:p></o:p></span></span></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"> 一次裝夾定位后，需進行多道工序加工的零件，使用</span></font><span style="font-size: medium;"><span style="line-height: 13.5pt; font-family: 宋體;">數控銑床（</span></span><span style="font-size: medium;"><b style="line-height: 13.5pt;"><span lang="EN-US"><a ><span lang="EN-US" style="font-family: 宋體;">數控加工中心</span></a></span></b><span style="line-height: 13.5pt; font-family: 宋體;">、</span></span><span style="font-size: medium;"><b style="line-height: 13.5pt;"><span lang="EN-US"><a ><span lang="EN-US" style="font-family: 宋體;">精雕機</span></a></span></b><span style="line-height: 13.5pt; font-family: 宋體;">、</span></span><span style="font-size: medium;"><b style="line-height: 13.5pt;"><span lang="EN-US"><a ><span lang="EN-US" style="font-family: 宋體;"><a href='http://m.n12916.cn/bethel/cnc/show_431.html' target='_blank'>雕銑機</a></span></a></span></b><span style="line-height: 13.5pt; font-family: 宋體;">、龍門銑、</span></span><span style="font-size: medium;"><b style="line-height: 13.5pt;"><span lang="EN-US"><a ><span lang="EN-US" style="font-family: 宋體;"><a href='http://m.n12916.cn/bethel/cnc/show_431.html' target='_blank'>石墨機</a></span></a></span></b><span style="line-height: 13.5pt; font-family: 宋體;">等）</span></span><span lang="EN-US" style="font-size: medium; line-height: 13.5pt;"><font face="Times New Roman"> </font></span><span style="font-size: medium; line-height: 13.5pt; font-family: 宋體;">對于普通機床無法加工或很難加工的零件，<a target="_blank"><strong>數控機床</strong></a>加工起來會很方便，例如用數學模型描述的復雜曲線零件以及三維空間曲面類零件</span><span lang="EN-US" style="font-size: medium; line-height: 13.5pt;"><font face="Times New Roman">(</font></span><span style="font-size: medium; line-height: 13.5pt; font-family: 宋體;">加工面為空間曲面的零件稱為曲面類零件</span><span lang="EN-US" style="font-size: medium; line-height: 13.5pt;"><font face="Times New Roman">)</font></span><span style="font-size: medium; line-height: 13.5pt; font-family: 宋體;">。曲面類零件的特點是加工面不能展開為平面，并且與銑刀始終為點接觸。對于此類零件，數控銑床更具有無法代替的作用。加工精度高、加工質量穩定可靠、生產自動化程序高、減輕勞動者的工作強度、有利于生產管理化和提高生產效率等優點是數控銑床能夠得到發展的有力保障。</span></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> (2)</font></span><strong><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">數控銑床</span></strong><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的選型要求</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> </font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">數控銑床的選型要求解決兩個方面的問題，即選不選數控銑床和選擇什么類型的</span></font><span lang="EN-US" style="line-height: 13.5pt; font-family: Arial; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;"> </span><span style="font-size: medium;"><span style="line-height: 13.5pt; font-family: 宋體;">數控機床（</span></span><span style="font-size: medium;"><b style="line-height: 13.5pt;"><span lang="EN-US"><a >CNC<span lang="EN-US" style="font-family: 宋體;"><span lang="EN-US">加工中心</span></span></a></span></b><span style="line-height: 13.5pt; font-family: 宋體;">、</span></span><b style="line-height: 13.5pt;"><span lang="EN-US"><a ><span style="font-size: medium;"><span lang="EN-US" style="font-family: 宋體;">精雕機</span></span></a></span></b><span style="font-size: medium;"><span style="line-height: 13.5pt; font-family: 宋體;">、龍門銑、</span></span><b style="line-height: 13.5pt;"><span lang="EN-US"><a ><span style="font-size: medium;"><span lang="EN-US" style="font-family: 宋體;">鉆銑中心</span></span></a></span></b><span style="font-size: medium;"><span style="line-height: 13.5pt; font-family: 宋體;">等）</span></span><span style="font-family: 宋體; font-size: medium; line-height: 13.5pt;">。</span></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> </font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">①選擇數控銑床。相對而言，如果零件有下列特點，建議優先選擇數控銑床來進行加工。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> a.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">工件上的曲線輪廓內、外形，特別是由數學表達式給出的非圓曲線與列表曲線等曲線輪廓。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> b.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">已給出數學模型的空間曲面。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> c.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">形狀復雜、尺寸繁多、劃線與檢測困難的部位。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> d.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">用通用銑床加工時難以觀察、測量和控制進給的內外凹槽。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> e.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">以尺寸協調的高精度孔或面。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> f.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">能在一次安裝中順帶銑出來的簡單表面或形狀。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> 9.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">采用數控銑削后能成倍提高生產效率，大大減輕體力勞動強度的一般加工內容。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> </font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">②不選擇數控銑床。如果零件或毛坯具有下列一些特征，則不建議選擇數控銑削加工。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> a.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">需要花費時間來進行機工調整</span><span lang="EN-US"><font face="Times New Roman">(</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如以毛坯粗基準定位按劃線找正</span><span lang="EN-US"><font face="Times New Roman">)</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的粗加工內容。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> b.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">必須按專用工裝協調的加工內容</span><span lang="EN-US"><font face="Times New Roman">(</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如標準樣件、協調平板、模胎等</span><span lang="EN-US"><font face="Times New Roman">)</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> c.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">毛坯上的加工余量不太充分或不太穩定的部位。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> d.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如一面加工、另一面不加工，其非加工面又不能作為定位面的部位</span><span lang="EN-US"><font face="Times New Roman">(</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">用數控銑削很難保證尺寸及精度要求</span><span lang="EN-US"><font face="Times New Roman">)</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> e.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">簡單的粗加工面。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" class="MsoNormal"><font size="3"><span lang="EN-US"><font face="Times New Roman"> f.</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">必須用細長銑刀加工的部位</span><span lang="EN-US"><font face="Times New Roman">(</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一般指狹窄深槽或高肋板小轉接圓弧部位</span><span lang="EN-US"><font face="Times New Roman">)</font></span><span style="FONT-FAMILY: 宋體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span></font></p> <p style="MARGIN: 0cm 0cm 0pt" 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