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src="images/xx.jpg"></td> </tr> </table> </center> </div> </td> </tr> <tr> <td width="100%"><img border="0" src="images/lbdb.jpg"></td> </tr> </table> <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#0000FF" width="231"> <tr> <td width="100%" background="images/lx.jpg" height="30"> </td> </tr> <tr> <td width="100%" background="images/zcbj.jpg" height="200" valign="middle"> <div align="center"> <center> <table border="0" cellpadding="4" cellspacing="0" style="border-collapse: collapse" width="85%" id="AutoNumber10"> <tr> <td class="1" width="100%"><marquee onMouseOver="this.stop()" onMouseOut="this.start()" scrollAmount="2" scrollDelay="70" direction="up" width="100%" height="150" align="middle"> <br><font color="#ffffff">購買刀具前,應(yīng)該做好哪些功課?太實用了車刀類<br />無論選什么刀具一定要了解的是:<br />加工的材質(zhì)是什么?用什么機(jī)床加工?精加工還是粗加工?有無圖紙要求?壓緊方式是什么?刀方多少?刀片型號?<br />一、外圓車刀:<br />要求刀具的主偏角為多少度?有沒有圖紙要求?加工的材料是什么?有沒有硬度要求?<br />二、內(nèi)孔車刀:<br />直徑多大?孔深多少?機(jī)床刀套內(nèi)徑多大?內(nèi)孔有沒有干涉?<br />三、切槽刀:<br />要切深多少?槽寬多少?是端面槽\外圓槽還是內(nèi)孔槽刀?加工直徑是多少?(端面槽刀專問)<br />四、切斷刀:<br />切多大的直徑?要求槽寬多少?<br />五、螺紋車刀:<br />螺紋車刀正反手?車外螺紋還是內(nèi)螺紋?公制還是英制?螺距是多少?<br />刀夾類<br />銑刀類:(以加工中心為例)<br />刀具與機(jī)床的連接方式是什么?BT\NT\CAT\ISO\R8\DINE\HSK\MT<br />1.裝夾鉆頭類:<br />要彈性夾頭類還是三爪定心類?裝多大的刀具?ER多少?<br />錐柄類的幾號的柄?長度是多少?<br />2.裝夾銑刀類:<br />要求裝夾的銑刀是多大的?要強(qiáng)力\還是標(biāo)準(zhǔn)的還是高速型的?<br />錐柄類幾號的柄?螺紋孔是多大?<br />3.裝夾絲攻類:<br />要求剛性攻絲還是柔性攻絲?多大的絲錐?<br />4.裝夾面銑刀盤類:<br />刀盤的直徑是多大?刀盤的內(nèi)接圓多大?公制還是英制的孔?有沒有長度要求?<br />5.鏜孔刀:<br />a.粗鏜刀<br />要模塊式的還是一體式的?要求加工的范圍是多大?加工的長度?是否要求加接長桿?<br />b.精鏜刀<br />要模塊式的還是一體式的?加工的精度為多少?加工的長度為多少?是否要求加接長桿而增大加工范圍?<br />6.對刀儀:<br />要表式或數(shù)顯,還是投影的?測量的范圍多大?測量精度是多少?<br />刀具類<br />一.銑刀:<br />1.整體式銑刀<br />立銑刀要的是高速鋼還是硬質(zhì)合金?加工的硬度為多少?長度要求少?多少刃?球頭的還是平頭的?柄部是多少度?螺紋為多少?什么樣的涂層? 螺旋升角多少度?<br />2.刀片式銑刀<br />1)心軸類銑刀<br />要求直徑多大?刀片的角度有無要求?要多長的加工長度?<br />2)刀盤類;<br />多大的直徑?要求刀片的角度是多少?精加工還是粗加工?有無要求刀具清角?<br />二.鉆頭:<br />1)直柄鉆頭<br />要求鉆頭是高速剛還是硬質(zhì)合金?加工直徑是多大?加工的深度是多少?刃部有無要求?<br />2)錐柄鉆頭<br />刀具的原有刀套是幾號的?加工直徑是多大?要求加工深度是多少?刃部有無要求?<br />三.絲攻類:<br />1)螺旋絲攻<br />要左旋的還是右旋的絲攻?要求螺紋尺寸多大?是公制還是英制的?加工精度是幾級的?加工的材質(zhì)是什么?柄部哪國的標(biāo)準(zhǔn)?<br />2)直槽絲攻<br />加工的材質(zhì)是什么?是手攻還是機(jī)攻?<br />四.倒角刀:<br />要求倒角的范圍是多大?角度是多少度?<br />五.鉸刀:<br />1)直柄鉸刀<br />加工的深度是多少?加工的精度是多少?加工的直徑是多大?<br />2)錐柄鉸刀<br />原有的錐套是幾號的?加工的深度是多少?加工的精度是多少?加工的直徑是多大?</font><br><br><br> </marquee></td> </tr> </table> </center> </div> </td> </tr> <tr> <td width="100%"><img border="0" src="images/lbdb.jpg"></td> </tr> </table> </td> <td width="773" valign="top" background="images/rmbj.jpg"> <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#008000" width="100%" id="AutoNumber2"> <tr> <td width="100%" background="images/rmcp.jpg" height="25"> </td> </tr> <tr> <td width="100%"> <div align="center"> <center> <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: collapse" bordercolor="#0000FF" 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