轴线相互平行的孔的位置,轴线相互垂直的孔的位置经济精度
表3-27 轴线相互平行的孔的位置经济精度<DIV> </DIV>
<TABLE cellSpacing=0 cellPadding=0 border=1>
<TBODY>
<TR>
<TD colSpan=2>
<DIV align=center>加工方法</DIV></TD>
<TD>
<DIV align=center>两孔轴线的距离误差或自孔轴线到平面的距离误差/mm</DIV></TD>
<TD colSpan=2>
<DIV align=center>加工方法</DIV></TD>
<TD>
<DIV align=center>两孔轴线的距离误差或自孔轴线到平面的距离误差/mm</DIV></TD></TR>
<TR>
<TD rowSpan=2>
<DIV align=center>立钻或摇臂钻上钻孔</DIV></TD>
<TD>
<DIV align=center>按划线</DIV></TD>
<TD>
<DIV align=center>0.5~1.0</DIV></TD>
<TD rowSpan=8>
<DIV align=center> </DIV>
<DIV align=center>卧式镗床上镗孔</DIV>
<DIV align=center> </DIV>
<DIV align=center> </DIV>
<DIV align=center> </DIV></TD>
<TD>
<DIV align=center>按划线</DIV></TD>
<TD>
<DIV align=center>0.4~0.6</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>用钻模</DIV></TD>
<TD>
<DIV align=center>0.1~0.2</DIV></TD>
<TD>
<DIV align=center>用游标尺</DIV></TD>
<TD>
<DIV align=center>0.2~0.4</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>立钻或摇臂钻上镗孔</DIV></TD>
<TD>
<DIV align=center>用镗模</DIV></TD>
<TD>
<DIV align=center>0.05~0.1</DIV></TD>
<TD>
<DIV align=center>用内径或塞尺</DIV></TD>
<TD>
<DIV align=center>0.05~0.25</DIV></TD></TR>
<TR>
<TD rowSpan=2>
<DIV align=center>车床上镗孔</DIV></TD>
<TD>
<DIV align=center>按划线</DIV></TD>
<TD>
<DIV align=center>1.0~3.0</DIV></TD>
<TD>
<DIV align=center>用镗模</DIV></TD>
<TD>
<DIV align=center>0.05~0.08</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>在角铁式夹具上</DIV></TD>
<TD>
<DIV align=center>0.1~0.3</DIV></TD>
<TD>
<DIV align=center>按定位器的知识读数</DIV></TD>
<TD>
<DIV align=center>0.04~0.06</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>坐标镗床上镗孔</DIV></TD>
<TD>
<DIV align=center>用光学仪器</DIV></TD>
<TD>
<DIV align=center>0.004~0.015</DIV>
<DIV align=center> </DIV></TD>
<TD>
<DIV align=center>用程序制控的坐标装置</DIV></TD>
<TD>
<DIV align=center>0.04~0.05</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>金刚镗床上镗孔</DIV>
<DIV align=center> </DIV></TD>
<TD>
<DIV align=center>—</DIV>
<DIV align=center> </DIV></TD>
<TD>
<DIV align=center>0.008~0.02</DIV></TD>
<TD>
<DIV align=center>按定位样板</DIV>
<DIV align=center> </DIV></TD>
<TD>
<DIV align=center>0.08~0.2</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>多轴组合机床上镗孔</DIV>
<DIV align=center> </DIV>
<DIV align=center> </DIV>
<DIV align=center> </DIV></TD>
<TD>
<DIV align=center>用镗模</DIV>
<DIV align=center> </DIV>
<DIV align=center> </DIV></TD>
<TD>
<DIV align=center>0.05~0.2</DIV>
<DIV align=center> </DIV>
<DIV align=center> </DIV></TD>
<TD>
<DIV align=center>用块规</DIV>
<DIV align=center> </DIV>
<DIV align=center> </DIV>
<DIV align=center> </DIV></TD>
<TD>
<DIV align=center>0.05~0.1</DIV>
<DIV align=center> </DIV></TD></TR></TBODY></TABLE>
<P> </P>
<P> 表3-28 轴线相互垂直的孔的位置经济精度</P>
<P>
<TABLE cellSpacing=0 cellPadding=0 align=left border=1>
<TBODY>
<TR>
<TD colSpan=2>
<DIV align=center>加工方法</DIV></TD>
<TD>
<DIV align=center>在100mm长度上轴线的垂直度/mm</DIV></TD>
<TD>
<DIV align=center>轴线的位移度/mm</DIV></TD>
<TD colSpan=2>
<DIV align=center>技工方法</DIV></TD>
<TD>
<DIV align=center>在100mm长度上轴线的垂直度/mm</DIV></TD>
<TD>
<DIV align=center>轴线的位移度/mm</DIV></TD></TR>
<TR>
<TD rowSpan=2>
<DIV align=center>立钻上钻孔</DIV></TD>
<TD>
<DIV align=center>按划线</DIV></TD>
<TD>
<DIV align=center>0.5~1.0</DIV></TD>
<TD>
<DIV align=center>0.5~2</DIV></TD>
<TD rowSpan=2>
<DIV align=center>铣床上在镗孔</DIV></TD>
<TD>
<DIV align=center>回转工作台</DIV></TD>
<TD>
<DIV align=center>0.02~0.05</DIV></TD>
<TD>
<DIV align=center>0.1~0.2</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>用钻模</DIV></TD>
<TD>
<DIV align=center>0.1</DIV></TD>
<TD>
<DIV align=center>0.5</DIV></TD>
<TD>
<DIV align=center>回转分度头</DIV></TD>
<TD>
<DIV align=center>0.05~0.1</DIV></TD>
<TD>
<DIV align=center>0.3~0.5</DIV></TD></TR>
<TR>
<TD colSpan=2>
<DIV align=center>加工方法</DIV></TD>
<TD>
<DIV align=center>在100mm长度上轴线的垂直度/mm</DIV></TD>
<TD>
<DIV align=center>轴线的位移度/mm</DIV></TD>
<TD colSpan=2>
<DIV align=center>加工方法</DIV></TD>
<TD>
<DIV align=center>在100mm长度上轴线的垂直度/mm</DIV></TD>
<TD>
<DIV align=center>轴线的位移度/mm</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>多轴组成机床镗孔</DIV></TD>
<TD>
<DIV align=center>用镗模</DIV></TD>
<TD>
<DIV align=center>0.02~0.05</DIV></TD>
<TD>
<DIV align=center>0.01~0.03</DIV></TD>
<TD rowSpan=3>
<DIV align=center>卧式镗床镗孔</DIV></TD>
<TD>
<DIV align=center>回转工作台</DIV></TD>
<TD>
<DIV align=center>0.06~0.3</DIV></TD>
<TD>
<DIV align=center>0.03~0.08</DIV></TD></TR>
<TR>
<TD rowSpan=2>
<DIV align=center>卧式镗床上镗孔</DIV></TD>
<TD>
<DIV align=center>按划线</DIV></TD>
<TD>
<DIV align=center>0.5~1.0</DIV></TD>
<TD>
<DIV align=center>0.5~2.0</DIV></TD>
<TD rowSpan=2>
<DIV align=center>带有百分表的回转工作台</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.05~0.15</DIV></TD>
<TD rowSpan=2>
<DIV align=center>0.05~0.1</DIV></TD></TR></TBODY></TABLE></P><SPAN class=sys_song11></SPAN></SPAN>
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