技术交流 › 车削论坛 › 仿形车床

HEATS 发表于 2010-10-22 00:08:24

仿形车床

<P><SPAN style="FONT-SIZE: 9pt; COLOR: black; mso-hansi-font-family: ''''''''ˎ̥,Verdana,Arial''''''''; mso-ascii-font-family: ''''''''ˎ̥,Verdana,Arial''''''''">&nbsp;&nbsp;&nbsp; 仿形车床是通过仿形刀架按样板或样件表面，作纵、横向随动运动，使车刀自动复制出相应形状的被加工零件。适用于大批大量生产的圆柱形、圆锥形、阶梯形及其他成形旋转曲面的轴、盘、套、环类工件的车削加工。机床的仿形装置有机械仿形、液压仿形和电气仿形，其中液压仿形车床的效率和精度较高，结构简单紧凑，加工质量稳定，并可采用可编程序控制器（</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥,Verdana,Arial">PLC</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; mso-hansi-font-family: ''''''''ˎ̥,Verdana,Arial''''''''; mso-ascii-font-family: ''''''''ˎ̥,Verdana,Arial''''''''">）进行电气控制。仿形车床加工形状复杂工件的生产率比卧式车床高</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥,Verdana,Arial">15</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; mso-hansi-font-family: ''''''''ˎ̥,Verdana,Arial''''''''; mso-ascii-font-family: ''''''''ˎ̥,Verdana,Arial''''''''">倍左右，工件形状越复杂、批量越大，效果越显著。一般仿形误差为</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥,Verdana,Arial">0.02~<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue=".05" UnitName="mm" w:st="on">0.05mm</st1:chmetcnv></SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; mso-hansi-font-family: ''''''''ˎ̥,Verdana,Arial''''''''; mso-ascii-font-family: ''''''''ˎ̥,Verdana,Arial''''''''">，加工表面粗糙度为</SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥,Verdana,Arial">Ra3.2~1.6μm</SPAN><SPAN style="FONT-SIZE: 9pt; COLOR: black; mso-hansi-font-family: ''''''''ˎ̥,Verdana,Arial''''''''; mso-ascii-font-family: ''''''''ˎ̥,Verdana,Arial''''''''">，尺寸精度为</SPAN><st1:chmetcnv TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue=".02" UnitName="mm" w:st="on"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥,Verdana,Arial">0.02mm</SPAN></st1:chmetcnv><SPAN style="FONT-SIZE: 9pt; COLOR: black; mso-hansi-font-family: ''''''''ˎ̥,Verdana,Arial''''''''; mso-ascii-font-family: ''''''''ˎ̥,Verdana,Arial''''''''">。圆度为</SPAN><st1:chmetcnv TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue=".008" UnitName="mm" w:st="on"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥,Verdana,Arial">0.008mm</SPAN></st1:chmetcnv><SPAN style="FONT-SIZE: 9pt; COLOR: black; mso-hansi-font-family: ''''''''ˎ̥,Verdana,Arial''''''''; mso-ascii-font-family: ''''''''ˎ̥,Verdana,Arial''''''''">，圆柱度为</SPAN><st1:chmetcnv TCSC="0" NumberType="1" Negative="False" HasSpace="False" SourceValue=".02" UnitName="mm" w:st="on"><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥,Verdana,Arial">0.02mm</SPAN></st1:chmetcnv><SPAN style="FONT-SIZE: 9pt; COLOR: black; mso-hansi-font-family: ''''''''ˎ̥,Verdana,Arial''''''''; mso-ascii-font-family: ''''''''ˎ̥,Verdana,Arial''''''''">。</SPAN></P>
<P><SPAN style="FONT-SIZE: 9pt; COLOR: black; mso-hansi-font-family: ''''''''ˎ̥,Verdana,Arial''''''''; mso-ascii-font-family: ''''''''ˎ̥,Verdana,Arial''''''''">
<TABLE cellSpacing=0 cellPadding=0 align=center border=1>
<TBODY>
<TR>
<TD width=154>
<DIV align=center>简图</DIV></TD>
<TD width=177 colSpan=3>
<DIV align=center>类型</DIV></TD>
<TD width=63>
<DIV align=center>最大车削直径/mm</DIV></TD>
<TD width=175>
<DIV align=center>结构特点</DIV></TD>
<TD width=119>
<DIV align=center>适用范围</DIV></TD>
<TD width=0>
<DIV>&nbsp;</DIV></TD></TR>
<TR>
<TD width=154 rowSpan=2>
<DIV align=center><IMG style="WIDTH: 168px; HEIGHT: 154px" height=154 src="http://www.chmcw.com/upload/news/article/83/13220_5hmwal13.jpg" width=196 border=0></DIV></TD>
<TD width=56 rowSpan=5>
<DIV align=center>卧式仿形</DIV></TD>
<TD width=49 rowSpan=5>
<DIV align=center>顶尖式</DIV></TD>
<TD width=72>
<DIV align=center>基本型</DIV></TD>
<TD width=63 rowSpan=8>
<DIV align=center>60</DIV>
<DIV align=center>125</DIV>
<DIV align=center>200</DIV>
<DIV align=center>320</DIV>
<DIV align=center>400</DIV>
<DIV align=center>500</DIV>
<DIV align=center>630</DIV>
<DIV align=center>60</DIV>
<DIV align=center>125</DIV>
<DIV align=center>200</DIV>
<DIV align=center>320</DIV>
<DIV align=center>400</DIV>
<DIV align=center>500</DIV>
<DIV align=center>630</DIV></TD>
<TD width=175>
<DIV align=center>有一个仿形刀架（供仿形车削）和一个或两个横刀架（供车削端面、沟槽、倒角等），可进行多次循环和多刀切削，能自动变换主轴速度和进给量</DIV></TD>
<TD width=119>
<DIV align=center>适用于外形较复杂的轴、套类工件，大中批生产</DIV></TD>
<TD width=0>
<DIV>&nbsp;</DIV></TD></TR>
<TR>
<TD width=72 rowSpan=2>
<DIV align=center>多刀架型</DIV></TD>
<TD width=175 rowSpan=2>
<DIV align=center>具有两个仿形刀架及两个以上横刀架，可从工件两端同时向中间仿形车削；横刀架有的可作矩形循环</DIV></TD>
<TD width=119 rowSpan=2>
<DIV align=center>正反方向均有直角台肩的外形复杂的轴类工件，大批大量生产</DIV></TD>
<TD width=0 height=21></TD></TR>
<TR>
<TD width=154 rowSpan=6>
<DIV align=center><IMG style="WIDTH: 172px; HEIGHT: 656px" height=658 src="http://www.chmcw.com/upload/news/article/83/13220_itbku58.jpg" width=218 border=0></DIV></TD>
<TD width=0 height=76></TD></TR>
<TR>
<TD width=72>
<DIV align=center>多轴型</DIV></TD>
<TD width=175>
<DIV align=center>具有两根以上主轴，可同时加工两个以上相同的工件，生产率高</DIV></TD>
<TD width=119>
<DIV align=center>外形较复杂的轴、套类工件，大批大量生产</DIV></TD>
<TD width=0>
<DIV>&nbsp;</DIV></TD></TR>
<TR>
<TD width=72>
<DIV align=center>数控型</DIV></TD>
<TD width=175>
<DIV align=center>一般具有点位式数字控制系统，并有液压仿形装置，不仅可以仿形车削，有的还可车螺纹。工件更换时调整方便</DIV></TD>
<TD width=119>
<DIV align=center>轴、套类工件仿形加工及螺纹加工，单件小批轮番生产。点位式控制系统用于车圆柱面，车曲面、锥面用液压随动系统控制</DIV></TD>
<TD width=0>
<DIV>&nbsp;</DIV></TD></TR>
<TR>
<TD width=56 rowSpan=2>
<DIV align=center>车床</DIV></TD>
<TD width=49 rowSpan=2>
<DIV align=center>卡盘式</DIV></TD>
<TD width=72>
<DIV align=center>基本型</DIV></TD>
<TD width=175>
<DIV align=center>与顶尖式基本相同，但必须是双坐标液压仿形系统，刀架垂直安装，床身短，无尾座</DIV></TD>
<TD width=119>
<DIV align=center>外形较复杂的盘、环类能够件，大中批生产</DIV></TD>
<TD width=0 height=43></TD></TR>
<TR>
<TD width=72>
<DIV align=center>正面操作型</DIV></TD>
<TD width=175>
<DIV align=center>具有单主轴及双主轴结构形式，一般为水平床身，且很短，操作位置面对工件端面</DIV></TD>
<TD width=119>
<DIV align=center>外形较复杂的盘、环类能够件，大中批生产</DIV></TD>
<TD width=0 height=67></TD></TR>
<TR>
<TD width=177 colSpan=3>
<DIV align=center>立式仿形车床</DIV></TD>
<TD width=175>
<DIV align=center>立式床身，具有一个以上仿形刀架及其他刀架，垂直切削。</DIV></TD>
<TD width=119>
<DIV align=center>大型盘、环类工件</DIV></TD></TR></TBODY></TABLE></SPAN><SPAN lang=EN-US style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: ˎ̥,Verdana,Arial"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
               

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