车削加工中硬质合金外圆车刀半精车的进给量
<DIV align=center><TABLE cellSpacing=0 cellPadding=0 width="100%" border=1>
<TBODY>
<TR>
<TD width=134 rowSpan=3>
<DIV align=center>工件材料</DIV></TD>
<TD width=97 rowSpan=3>
<DIV align=center>表面粗糙度Ra(μm)</DIV></TD>
<TD width=102 rowSpan=3>
<DIV align=center>切削速度范围(m/min)</DIV></TD>
<TD width=360 colSpan=3>
<DIV align=center>刀尖圆孤半径r<SUB>ε</SUB>(mm)</DIV></TD></TR>
<TR>
<TD width=122>
<DIV align=center>0.5</DIV></TD>
<TD width=117>
<DIV align=center>1.0</DIV></TD>
<TD width=109>
<DIV align=center>2.0</DIV></TD></TR>
<TR>
<TD width=360 colSpan=3>
<DIV align=center>进给量f(mm/r)</DIV></TD></TR>
<TR>
<TD>
<DIV>铸铁、青铜、铝合金</DIV></TD>
<TD>
<DIV>6.3</DIV></TD>
<TD>
<DIV>不限</DIV></TD>
<TD>
<DIV>0.25~0.40</DIV></TD>
<TD>
<DIV>0.40~0.50</DIV></TD>
<TD>
<DIV>0.50~0.60</DIV></TD></TR>
<TR>
<TD>
<DIV>铸铁、青铜、铝合金</DIV></TD>
<TD>
<DIV>3.2</DIV></TD>
<TD>
<DIV>不限</DIV></TD>
<TD>
<DIV>0.15~0.25</DIV></TD>
<TD>
<DIV>0.25~0.40</DIV></TD>
<TD>
<DIV>0.40~0.60</DIV></TD></TR>
<TR>
<TD>
<DIV>铸铁、青铜、铝合金</DIV></TD>
<TD>
<DIV>1.6</DIV></TD>
<TD>
<DIV>不限</DIV></TD>
<TD>
<DIV>0.10~0.15</DIV></TD>
<TD>
<DIV>0.15~0.20</DIV></TD>
<TD>
<DIV>0.20~0.35</DIV></TD></TR>
<TR>
<TD>
<DIV>碳钢、合金钢</DIV></TD>
<TD>
<DIV>6.3</DIV></TD>
<TD>
<DIV><50</DIV></TD>
<TD>
<DIV>0.30~0.50</DIV></TD>
<TD>
<DIV>0.45~0.60</DIV></TD>
<TD>
<DIV>0.55~0.70</DIV></TD></TR>
<TR>
<TD>
<DIV>碳钢、合金钢</DIV></TD>
<TD>
<DIV>6.3</DIV></TD>
<TD>
<DIV>>50</DIV></TD>
<TD>
<DIV>0.40~0.55</DIV></TD>
<TD>
<DIV>0.55~0.65</DIV></TD>
<TD>
<DIV>0.65~0.70</DIV></TD></TR>
<TR>
<TD>
<DIV>碳钢、合金钢</DIV></TD>
<TD>
<DIV>3.2</DIV></TD>
<TD>
<DIV><50</DIV></TD>
<TD>
<DIV>0.18~0.25</DIV></TD>
<TD>
<DIV>0.25~0.30</DIV></TD>
<TD>
<DIV>0.3~0.40</DIV></TD></TR>
<TR>
<TD>
<DIV>碳钢、合金钢</DIV></TD>
<TD>
<DIV>3.2</DIV></TD>
<TD>
<DIV>>50</DIV></TD>
<TD>
<DIV>0.25~0.30</DIV></TD>
<TD>
<DIV>0.30~0.35</DIV></TD>
<TD>
<DIV>0.35~0.50</DIV></TD></TR>
<TR>
<TD>
<DIV>碳钢、合金钢</DIV></TD>
<TD>
<DIV>1.6</DIV></TD>
<TD>
<DIV><50</DIV></TD>
<TD>
<DIV>0.10</DIV></TD>
<TD>
<DIV>0.11~0.15</DIV></TD>
<TD>
<DIV>0.15~0.22</DIV></TD></TR>
<TR>
<TD>
<DIV>碳钢、合金钢</DIV></TD>
<TD>
<DIV>1.6</DIV></TD>
<TD>
<DIV>50~100</DIV></TD>
<TD>
<DIV>0.11~0.16</DIV></TD>
<TD>
<DIV>0.16~0.25</DIV></TD>
<TD>
<DIV>0.25~0.35</DIV></TD></TR>
<TR>
<TD>
<DIV>碳钢、合金钢</DIV></TD>
<TD>
<DIV>1.6</DIV></TD>
<TD>
<DIV>>100</DIV></TD>
<TD>
<DIV>0.16~0.20</DIV></TD>
<TD>
<DIV>0.20~0.25</DIV></TD>
<TD>
<DIV>0.25~0.35</DIV></TD></TR></TBODY></TABLE></DIV>
<DIV> </DIV>
页:
[1]