特种加工：电火花磨蟻E/title> <meta name="keywords" content="特种加工：电火花磨蟻E机械知识,中国机械蛠E> <meta name="description" content="特种加工：电火花磨蟻E机械知识,中国机械蛠E> <body>  <table width="756" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td width="548" rowspan="2" valign="top" style="border:1px solid #E0CBA7"> <table width="90%" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td height="13" class="td_b2" align="center">特种加工：电火花磨蟻E/td> <br> </tr> <tr> <td height="14" class="td_b2"><hr align="center" size="2" color="#666666"></td> </tr> <tr> <td align="center" valign="top"> <table width="95%" height="92" align="center" cellpadding="0" cellspacing="0"> <tr> <td height="25" class="LL"><span id="fp"> 在工具和工件之间产生脉冲放电来去除导电材料的电火花加工﹐英文简称EDG。电火花磨削分为电火花成形磨削﹑电火花小孔内圆磨削﹑电火花铲磨﹑电火花刃磨和电火花螺纹磨削等几种方法。前两种加工方法应用较广。 <br /> 在电火花成形磨蟻E见图 <FONT color=#ff9900>电火花成形磨削原纴EIMG alt="" hspace=0 src="cn.machine365.com/baike_pic/20051021165917.jpg" align=baseline border=0></FONT> )中﹐导电磨轮一般采用高纯石墨材料﹐根据加工要求修整成形。磨轮和工作台都觼E财渌丒糠志刀直鹩丒龀宓缭聪嗔印Ｂ龀宓缭吹牡缪挂话阄?0～400穪Eo频率 200～500千赫。磨轮的线速度通常为30～180米/分。磨削时在磨轮觼Eぜ涔└浞值墓ぷ饕?一般用煤油)。工作台在伺服控制作用下以一定的速度向磨轮进给﹐使工件觼Eヂ种浔３窒列〉幕鸹ḿ湎?0.01～0.07毫米)﹐在火花间隙中产生的高频火花放电去除金属材料﹐从而磥E侥ハ骷庸さ哪康摹５缁鸹ǔ尚文ハ鞯木纫话憧煽刂圃?0.005毫米以内。柄哝粗糙度觼E鸹ㄆ德屎凸ぜ牧系纫蛩赜泄丞o通常在R<IMG alt="" hspace=0 src="cn.machine365.com/baike_pic/20051021165527.bmp" align=baseline border=0>1.25～0.16微米范围内。电火花成形磨削适用于加工任何导电材料﹐对机械磨削困难的硬质材料竵E芊⒒佑旁叫浴Ｓ谜庵址椒ǹ赡ハ饔仓屎辖鸪尚蔚毒擤p可转位刀具的刀片﹑淬硬的镶拼模具或齿条等。由于磨削过程中无机械切削力﹐电火花磨削还可用于磨削微细﹑薄壁等易变形的零件和甥污﹑狭穪E取?<br /> 电火花小孔内圆磨削的原历媲﹕将电极丝水平放置或垂直放置﹐工件作旋转运动﹐并沿电极丝作往复运动﹐同时工件还向电极丝(或电极丝向工件)作进给移动。电极丝通常用紫铜制成﹐直径一般为0.5～2毫米。电火花小孔内圆磨削的精度一般为0.002～0.005毫米﹐柄哝粗糙度一般为R<IMG alt="" hspace=0 src="cn.machine365.com/baike_pic/20051021165527.bmp" align=baseline border=0>0.32～0.16微米﹐赃可磥E<IMG alt="" hspace=0 src="cn.machine365.com/baike_pic/20051021165527.bmp" align=baseline border=0>0.04～0.02微米。电火花小孔内圆磨削适合于磨削直径 5毫米以下的甥臁孔和锥孔﹐可用于加工弹簧夹头﹑微型轴承﹑组合夹具﹑讈E砖p模具和阀体等零件的小孔。<br /> </span></td> </tr> </table> <br> <table align="right" cellpadding="4" cellspacing="0"> <tr> <td class="s" align="right"> 【字体： <a href="javascript:doZoom(16)">磥E/a> <a href="javascript:doZoom(14)">中</a> <a href="javascript:doZoom(12)">小</a>】【 <a href="javascript:window.print()">打印 </a> 】【 <a href="javascript:window.close()">关闭 </a> 】 </td> </tr> </table> <br> <br> </td> </tr> </table> </td> <td width="10" rowspan="2"> </td> </tr> <tr> <td width="199" valign="top" style="border:1px solid #E0CBA7;"> <div align="center"> <script language="javascript" src="/ad/adjc.js"></script> </div> </td> </tr> </table><br> <table width="756" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td class="lm"><font class="gray12"> ■中国机械网提供的资料来自互联网，资料的版权属于作者本人，只供个人学习用，不得非法出版、销售。</font></td> </tr> </table> <br> <table width="756" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#95CAFF"> <tr> <td bgcolor="#95CAFF"><table width="700" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td class="M">相关链接</td> </tr> </table></td> </tr> <tr> <td bgcolor="#FFFFFF"> <table width="100%" border="0" align="center" cellpadding="3" cellspacing="0"> <tr><td class="S">无相关链接</td></tr> </table></td> </tr> </table>  <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <LINK href="../aimage/Style.css" type=text/css rel=stylesheet> <script src="/common/soso.js"></script> </HEAD> <body leftMargin=0 topMargin=0 MARGINWIDTH="0" MARGINHEIGHT="0" bgcolor="white"> <TABLE cellSpacing=0 cellPadding=0 width=756 align=center border=0> <TR bgcolor="#F0F0F0"> <TD width=193 align="left" class="prmleftrightpad s"><a href="/index.php">机械网首页</a> <SPAN class=gray> |</SPAN> <A href="javascript:window.external.AddFavorite('http://www.cnmachines.com','中国机械网')">添加到收藏夹</A></TD> <TD width=563 align=right class=s><a href=/server.php target="_blank">机械网服务</a><SPAN class=gray> |</SPAN> <A href="/useradmin/register.php" target="_blank">免费注册会员</A> <SPAN class=gray> |</SPAN> <A href="/useradmin/dl.php" target="_blank">会员登录</A> </TD> </TR> <TR> <TD width=193 rowspan="2" align="left"><a href="http://www.cnmachines.com"><img src="../image/logo.gif" alt="机械网" name="机械网" width="170" height="40" border="0" id="机械网"></a></TD> <form action="/useradmin/post.php" method="post" > <TD height="26" align="right" vAlign=bottom> 用户名 <input name="username" type="text" size="8" > 密码 <input name="userid" type="password" size="8" > 验证码 <input name="validate" type="text" size="8" > <img src="/common/verify.php?t=gif&w=39&h=19" alt="" width="39" height="19" align="absmiddle" border="0"> <input name="imageField" type="submit" value="提交"> <a href="useradmin/password.php"><b>取回密码</b></a> </TD> </form> </TR> <TR> <TD align="right" vAlign=bottom><TABLE width="500" height="23" border=1 align="right" cellPadding=0 cellSpacing=0 bordercolor="#C2E2F8" bgcolor="#D6ECFA"> <TR> <TD align="center" onmouseover=this.bgColor='#0066ff'; onmouseout=this.bgColor='#D6ECFA'><a href="/shop/shopsearch.php">机械商城</a></TD> <TD align="center" onmouseover=this.bgColor='#0066ff'; onmouseout=this.bgColor='#D6ECFA'><A href="/sort/gq_cate.php" target="_blank">机械商机</A></TD> <TD align="center" onmouseover=this.bgColor='#0066ff'; onmouseout=this.bgColor='#D6ECFA'><a href="/sort/product_cate.php">机械产品</a></TD> <TD align="center" onmouseover=this.bgColor='#0066ff'; onmouseout=this.bgColor='#D6ECFA'><a href="/news.php" target="_blank">机械资讯</a></TD> <TD align="center" onmouseover=this.bgColor='#0066ff'; onmouseout=this.bgColor='#D6ECFA'><a href="/zlh/index.php">机械展会</a></TD> <TD align="center" onmouseover=this.bgColor='#0066ff'; onmouseout=this.bgColor='#D6ECFA'><a href="/sort/company_cate.php" target="_blank">机械黄页</a></TD> <TD align="center" onmouseover=this.bgColor='#0066ff'; onmouseout=this.bgColor='#D6ECFA'><a href="/jxjc/" target="_blank">机械知识</a></TD> </TR> </TABLE></TD> </TR> </TABLE> <TABLE width="756" border=0 align="center" cellPadding=0 cellSpacing=0 class=outborder> <TR background="image/soso.jpg" > <form method="POST" action="" name="mso" onSubmit="return msoubmit()"> <TD height=57 valign="bottom" background="../image/soso.jpg" class="prmleftrightpad s"><input name="pinfo" type="text" class=itm size="48"> <INPUT type=image height=22 width=81 src="../image/so.gif" align=top border=0 name=imageField> <input name="pname" type="hidden" id="pname3"> <br> <input name="item" type="radio" value="c" checked> 商机 <input type="radio" name="item" value="a"> 产品 <input type="radio" name="item" value="h"> 资讯 <input type="radio" name="item" value="d"> 公司 <input type="radio" name="item" value="i"> 商场 <input type="radio" name="item" value="j"> 展会　　　　　　<a href='/gq/query_arry.php?pinfo=%C6%BD%B0%E5%BA%E6%B8%C9%BB%FA'>平板烘干机</a> <a href='/gq/query_arry.php?pinfo=%D7%CD%B2%A9'>淄博</a> <a href='/product/query_arry.php?pinfo=%BD%C1%B0%E8%BB%FA'>搅拌机</a> <a href='/product/query_arry.php?pinfo=%B1%E2%C6%BD'>扁平</a> </TD> </FORM> </TR> </TABLE> <TABLE width="756" height=2 border=0 align="center"> <TR> <TD height=1></TD> </TR> </TABLE> <TABLE width="756" height=2 border=0 align="center" cellpadding="0" cellspacing="0"> <TR> <TD></TD> </TR> </TABLE> 1 <table width="756" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td align="center"> <script type="text/javascript"></script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> </td> </tr> </table> <HR align="center" width="756" color=#ff7300 style="HEIGHT: 3px"> <TABLE width="756" border=0 align="center" cellPadding=0 cellSpacing=5> <TR> <TD align="center" class=s> 版权所有：<a href="http://www.cnmachines.com" target="_blank">机械网</a> 邮件：webmaster@cnmachines.com</TD> </TR> </TABLE> <table width="756" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td align="center"> <script type="text/javascript"></script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script> </td> </tr> </table> </BODY> </HTML>