车削加工中车刀的磨钝标准及寿命
<DIV align=center><TABLE cellSpacing=0 cellPadding=0 width="103%" border=1>
<TBODY>
<TR>
<TD width="7%">
<DIV align=center>磨钝标准</DIV></TD>
<TD width="22%">
<DIV align=center>车刀类型</DIV></TD>
<TD width="8%">
<DIV align=center>刀具材料</DIV></TD>
<TD width="28%">
<DIV align=center>加工材料</DIV></TD>
<TD width="9%">
<DIV align=center>加工性质</DIV></TD>
<TD width="20%">
<DIV align=center>后刀面最大磨损限度(mm)</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>高速钢</DIV></TD>
<TD width="28%">
<DIV>碳钢、合金钢、铸钢、有色金属</DIV></TD>
<TD width="9%">
<DIV>粗车</DIV></TD>
<TD width="20%">
<DIV>1.5~2.0</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>高速钢</DIV></TD>
<TD width="28%">
<DIV>碳钢、合金钢、铸钢、有色金属</DIV></TD>
<TD width="9%">
<DIV>精车</DIV></TD>
<TD width="20%">
<DIV>1.0</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>高速钢</DIV></TD>
<TD width="28%">
<DIV>灰铸铁、可锻铸铁</DIV></TD>
<TD width="9%">
<DIV>粗车</DIV></TD>
<TD width="20%">
<DIV>2.0~3.0</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>高速钢</DIV></TD>
<TD width="28%">
<DIV>灰铸铁、可锻铸铁</DIV></TD>
<TD width="9%">
<DIV>半精车</DIV></TD>
<TD width="20%">
<DIV>1.5~2.0</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>高速钢</DIV></TD>
<TD width="28%">
<DIV>耐热钢、不锈钢</DIV></TD>
<TD width="9%">
<DIV>粗、精车</DIV></TD>
<TD width="20%">
<DIV>1.0</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>硬质合金</DIV></TD>
<TD width="28%">
<DIV>碳钢、合金钢</DIV></TD>
<TD width="9%">
<DIV>粗车</DIV></TD>
<TD width="20%">
<DIV>1.0~1.4</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>硬质合金</DIV></TD>
<TD width="28%">
<DIV>碳钢、合金钢</DIV></TD>
<TD width="9%">
<DIV>精车</DIV></TD>
<TD width="20%">
<DIV>0.4~0.6</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>硬质合金</DIV></TD>
<TD width="28%">
<DIV>铸铁</DIV></TD>
<TD width="9%">
<DIV>粗车</DIV></TD>
<TD width="20%">
<DIV>0.8~1.0</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>硬质合金</DIV></TD>
<TD width="28%">
<DIV>铸铁</DIV></TD>
<TD width="9%">
<DIV>精车</DIV></TD>
<TD width="20%">
<DIV>0.6~0.8</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>硬质合金</DIV></TD>
<TD width="28%">
<DIV>耐热钢、不锈钢</DIV></TD>
<TD width="9%">
<DIV>粗、精车</DIV></TD>
<TD width="20%">
<DIV>0.8~1.0</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>硬质合金</DIV></TD>
<TD width="28%">
<DIV>钛合金</DIV></TD>
<TD width="9%">
<DIV>精、半精车</DIV></TD>
<TD width="20%">
<DIV>0.4~0.5</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>外圆车刀、端面车刀、镗刀</DIV></TD>
<TD width="8%">
<DIV>硬质合金</DIV></TD>
<TD width="28%">
<DIV>淬硬钢</DIV></TD>
<TD width="9%">
<DIV>精车</DIV></TD>
<TD width="20%">
<DIV>0.8~1.0</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>切槽及切断刀</DIV></TD>
<TD width="8%">
<DIV>高速钢</DIV></TD>
<TD width="28%">
<DIV>钢、铸钢</DIV></TD>
<TD width="9%">
<DIV>-</DIV></TD>
<TD width="20%">
<DIV>0.8~1.0</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>切槽及切断刀</DIV></TD>
<TD width="8%">
<DIV>高速钢</DIV></TD>
<TD width="28%">
<DIV>灰铸钢</DIV></TD>
<TD width="9%">
<DIV>-</DIV></TD>
<TD width="20%">
<DIV>1.5~2.0</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>切槽及切断刀</DIV></TD>
<TD width="8%">
<DIV>硬质合金</DIV></TD>
<TD width="28%">
<DIV>钢、铸钢</DIV></TD>
<TD width="9%">
<DIV>-</DIV></TD>
<TD width="20%">
<DIV>0.4~0.6</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>切槽及切断刀</DIV></TD>
<TD width="8%">
<DIV>硬质合金</DIV></TD>
<TD width="28%">
<DIV>灰铸铁</DIV></TD>
<TD width="9%">
<DIV>-</DIV></TD>
<TD width="20%">
<DIV>0.6~0.8</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV>磨钝标准</DIV></TD>
<TD width="22%">
<DIV>成形车刀</DIV></TD>
<TD width="8%">
<DIV>高速钢</DIV></TD>
<TD width="28%">
<DIV>碳钢</DIV></TD>
<TD width="9%">
<DIV>-</DIV></TD>
<TD width="20%">
<DIV>0.4~0.5</DIV></TD></TR></TBODY></TABLE></DIV>
<DIV align=center> </DIV>
<DIV align=center>
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=1>
<TBODY>
<TR>
<TD width="8%" rowSpan=3>
<DIV align=center>车刀寿命</DIV></TD>
<TD width="24%" rowSpan=2>
<DIV align=center>刀具材料</DIV></TD>
<TD width="21%">
<DIV align=center>硬质合金</DIV></TD>
<TD width="45%" colSpan=2>
<DIV align=center>高速钢</DIV></TD></TR>
<TR>
<TD width="21%">
<DIV align=center>普通车刀</DIV></TD>
<TD width="22%">
<DIV align=center>普通车刀</DIV></TD>
<TD width="23%">
<DIV align=center>成形车刀</DIV></TD></TR>
<TR>
<TD width="24%">
<DIV align=center>车刀寿命T(min)</DIV></TD>
<TD width="21%">
<DIV align=center>60</DIV></TD>
<TD width="22%">
<DIV align=center>60</DIV></TD>
<TD width="23%">
<DIV align=center>120</DIV></TD></TR></TBODY></TABLE></DIV>
<DIV>注: <BR>以上为焊接车刀的寿命,机夹可转位车刀的寿命可适当降低,一般选为30min</DIV>
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