车削加工中车削速度的计算公式
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<DIV align=center><IMG height=88 src="http://www.chmcw.com/upload/news/RCL/13220_2bpwqy080226910431207.gif" width=400 border=0></DIV></TD></TR>
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<TD colSpan=8>
<DIV align=center>公式中的系数及指数</DIV></TD></TR>
<TR>
<TD width=112 rowSpan=2>
<DIV>加工材料</DIV></TD>
<TD width=100 rowSpan=2>
<DIV>加工形式</DIV></TD>
<TD width=98 rowSpan=2>
<DIV>刀具材料</DIV></TD>
<TD width=40 rowSpan=2>
<DIV>进给量</DIV></TD>
<TD width=177 colSpan=4>
<DIV>系数指数</DIV></TD></TR>
<TR>
<TD width=25>
<DIV>c<SUB>v</SUB></DIV></TD>
<TD width=47>
<DIV>x<SUB>v</SUB></DIV></TD>
<TD width=49>
<DIV>y<SUB>v</SUB></DIV></TD>
<TD width=56>
<DIV>m</DIV></TD></TR>
<TR>
<TD>
<DIV>碳素结构钢σ<SUB>b</SUB>=650MPa</DIV></TD>
<TD>
<DIV>外圆纵车(Kr>0°)</DIV></TD>
<TD>
<DIV>YT15(不用切削液)</DIV></TD>
<TD>
<DIV>f≤0.30</DIV></TD>
<TD>
<DIV>291</DIV></TD>
<TD>
<DIV>0.15</DIV></TD>
<TD>
<DIV>0.20</DIV></TD>
<TD>
<DIV>0.20</DIV></TD></TR>
<TR>
<TD>
<DIV>碳素结构钢σ<SUB>b</SUB>=650MPa</DIV></TD>
<TD>
<DIV>外圆纵车(Kr>0°)</DIV></TD>
<TD>
<DIV>YT15(不用切削液)</DIV></TD>
<TD>
<DIV>f≤0.70</DIV></TD>
<TD>
<DIV>242</DIV></TD>
<TD>
<DIV>0.15</DIV></TD>
<TD>
<DIV>0.35</DIV></TD>
<TD>
<DIV>0.20</DIV></TD></TR>
<TR>
<TD>
<DIV>碳素结构钢σ<SUB>b</SUB>=650MPa</DIV></TD>
<TD>
<DIV>外圆纵车(Kr>0°)</DIV></TD>
<TD>
<DIV>YT15(不用切削液)</DIV></TD>
<TD>
<DIV>f>0.70</DIV></TD>
<TD>
<DIV>235</DIV></TD>
<TD>
<DIV>0.15</DIV></TD>
<TD>
<DIV>0.45</DIV></TD>
<TD>
<DIV>0.20</DIV></TD></TR>
<TR>
<TD>
<DIV>碳素结构钢σ<SUB>b</SUB>=650MPa</DIV></TD>
<TD>
<DIV>外圆纵车(Kr>0°)</DIV></TD>
<TD>
<DIV>高速钢(用切削液)</DIV></TD>
<TD>
<DIV>f≤0.25</DIV></TD>
<TD>
<DIV>67.2</DIV></TD>
<TD>
<DIV>0.25</DIV></TD>
<TD>
<DIV>0.33</DIV></TD>
<TD>
<DIV>0.125</DIV></TD></TR>
<TR>
<TD>
<DIV>碳素结构钢σ<SUB>b</SUB>=650MPa</DIV></TD>
<TD>
<DIV>外圆纵车(Kr>0°)</DIV></TD>
<TD>
<DIV>高速钢(用切削液)</DIV></TD>
<TD>
<DIV>f>0.25</DIV></TD>
<TD>
<DIV>43</DIV></TD>
<TD>
<DIV>0.25</DIV></TD>
<TD>
<DIV>0.66</DIV></TD>
<TD>
<DIV>0.125</DIV></TD></TR>
<TR>
<TD>
<DIV>碳素结构钢σ<SUB>b</SUB>=650MPa</DIV></TD>
<TD>
<DIV>外圆纵车(Kr=0°)</DIV></TD>
<TD>
<DIV>YT15(不用切削液)</DIV></TD>
<TD>
<DIV>f≥a<SUP>p</SUP></DIV></TD>
<TD>
<DIV>198</DIV></TD>
<TD>
<DIV>0.30</DIV></TD>
<TD>
<DIV>0.15</DIV></TD>
<TD>
<DIV>0.18</DIV></TD></TR>
<TR>
<TD>
<DIV>碳素结构钢σ<SUB>b</SUB>=650MPa</DIV></TD>
<TD>
<DIV>外圆纵车(Kr=0°)</DIV></TD>
<TD>
<DIV>YT15(不用切削液)</DIV></TD>
<TD>
<DIV>f<a<SUP>p</SUP></DIV></TD>
<TD>
<DIV>198</DIV></TD>
<TD>
<DIV>0.15</DIV></TD>
<TD>
<DIV>0.30</DIV></TD>
<TD>
<DIV>0.18</DIV></TD></TR>
<TR>
<TD>
<DIV>碳素结构钢σ<SUB>b</SUB>=650MPa</DIV></TD>
<TD>
<DIV>切断及切槽</DIV></TD>
<TD>
<DIV>YT5(不用切削液)</DIV></TD>
<TD>
<DIV>-</DIV></TD>
<TD>
<DIV>38</DIV></TD>
<TD>
<DIV>-</DIV></TD>
<TD>
<DIV>0.80</DIV></TD>
<TD>
<DIV>0.25</DIV></TD></TR>
<TR>
<TD>
<DIV>碳素结构钢σ<SUB>b</SUB>=650MPa</DIV></TD>
<TD>
<DIV>切断及切槽</DIV></TD>
<TD>
<DIV>高速钢(用切削液)</DIV></TD>
<TD>
<DIV>-</DIV></TD>
<TD>
<DIV>21</DIV></TD>
<TD>
<DIV>-</DIV></TD>
<TD>
<DIV>0.66</DIV></TD>
<TD>
<DIV>0.25</DIV></TD></TR>
<TR>
<TD>
<DIV>碳素结构钢σ<SUB>b</SUB>=650MPa</DIV></TD>
<TD>
<DIV>成形车削</DIV></TD>
<TD>
<DIV>高速钢(用切削液)</DIV></TD>
<TD>
<DIV>-</DIV></TD>
<TD>
<DIV>20.3</DIV></TD>
<TD>
<DIV>-</DIV></TD>
<TD>
<DIV>0.50</DIV></TD>
<TD>
<DIV>0.30</DIV></TD></TR>
<TR>
<TD>
<DIV>耐热钢1Cr18Ni9Ti141HB</DIV></TD>
<TD>
<DIV>外圆纵车</DIV></TD>
<TD>
<DIV>YG8(不用切削液)</DIV></TD>
<TD>
<DIV>-</DIV></TD>
<TD>
<DIV>110</DIV></TD>
<TD>
<DIV>0.20</DIV></TD>
<TD>
<DIV>0.45</DIV></TD>
<TD>
<DIV>0.15</DIV></TD></TR>
<TR>
<TD>
<DIV>耐热钢1Cr18Ni9Ti141HB</DIV></TD>
<TD>
<DIV>外圆纵车</DIV></TD>
<TD>
<DIV>高速钢(不用切削液)</DIV></TD>
<TD>
<DIV>-</DIV></TD>
<TD>
<DIV>31</DIV></TD>
<TD>
<DIV>0.20</DIV></TD>
<TD>
<DIV>0.55</DIV></TD>
<TD>
<DIV>0.15</DIV></TD></TR>
<TR>
<TD>
<DIV>淬硬钢50HRCσ<SUB>b</SUB>=1650MPa</DIV></TD>
<TD>
<DIV>外圆纵车</DIV></TD>
<TD>
<DIV>YT15(不用切削液)</DIV></TD>
<TD>
<DIV>f≤0.3</DIV></TD>
<TD>
<DIV>53.5</DIV></TD>
<TD>
<DIV>0.18</DIV></TD>
<TD>
<DIV>0.40</DIV></TD>
<TD>
<DIV>0.10</DIV></TD></TR>
<TR>
<TD>
<DIV>淬硬钢50HRCσ<SUB>b</SUB>=1650MPa</DIV></TD>
<TD>
<DIV>外圆纵车</DIV></TD>
<TD>
<DIV>YG6(不用切削液)</DIV></TD>
<TD>
<DIV>f≤0.40</DIV></TD>
<TD>
<DIV>189.9</DIV></TD>
<TD>
<DIV>0.15</DIV></TD>
<TD>
<DIV>0.20</DIV></TD>
<TD>
<DIV>0.20</DIV></TD></TR>
<TR>
<TD>
<DIV>灰铸铁190HB</DIV></TD>
<TD>
<DIV>外圆纵车(Kr>0°)</DIV></TD>
<TD>
<DIV>YG6(不用切削液)</DIV></TD>
<TD>
<DIV>f>0.40</DIV></TD>
<TD>
<DIV>158</DIV></TD>
<TD>
<DIV>0.15</DIV></TD>
<TD>
<DIV>0.40</DIV></TD>
<TD>
<DIV>0.20</DIV></TD></TR>
<TR>
<TD>
<DIV>灰铸铁190HB</DIV></TD>
<TD>
<DIV>外圆纵车(Kr>0°)</DIV></TD>
<TD>
<DIV>高速钢(不用切削液)</DIV></TD>
<TD>
<DIV>f≤0.25</DIV></TD>
<TD>
<DIV>24</DIV></TD>
<TD>
<DIV>0.15</DIV></TD>
<TD>
<DIV>0.30</DIV></TD>
<TD>
<DIV>0.1</DIV></TD></TR>
<TR>
<TD>
<DIV>灰铸铁190HB</DIV></TD>
<TD>
<DIV>外圆纵车(Kr=0°)</DIV></TD>
<TD>
<DIV>高速钢(不用切削液)</DIV></TD>
<TD>
<DIV>f>0.25</DIV></TD>
<TD>
<DIV>22.7</DIV></TD>
<TD>
<DIV>0.15</DIV></TD>
<TD>
<DIV>0.40</DIV></TD>
<TD>
<DIV>0.1</DIV></TD></TR>
<TR>
<TD>
<DIV>灰铸铁190HB</DIV></TD>
<TD>
<DIV>外圆纵车(Kr=0°)</DIV></TD>
<TD>
<DIV>YG6(不用切削液)</DIV></TD>
<TD>
<DIV>f≥a<SUP>p</SUP></DIV></TD>
<TD>
<DIV>208</DIV></TD>
<TD>
<DIV>0.40</DIV></TD>
<TD>
<DIV>0.20</DIV></TD>
<TD>
<DIV>0.28</DIV></TD></TR>
<TR>
<TD>
<DIV>灰铸铁190HB</DIV></TD>
<TD>
<DIV>外圆纵车(Kr=0°)</DIV></TD>
<TD>
<DIV>YG6(不用切削液)</DIV></TD>
<TD>
<DIV>f<a<SUP>p</SUP></DIV></TD>
<TD>
<DIV>208</DIV></TD>
<TD>
<DIV>0.20</DIV></TD>
<TD>
<DIV>0.40</DIV></TD>
<TD>
<DIV>0.28</DIV></TD></TR>
<TR>
<TD>
<DIV>灰铸铁190HB</DIV></TD>
<TD>
<DIV>切断及切槽</DIV></TD>
<TD>
<DIV>YG6(不用切削液)</DIV></TD>
<TD>
<DIV>-</DIV></TD>
<TD>
<DIV>54.8</DIV></TD>
<TD>
<DIV>-</DIV></TD>
<TD>
<DIV>0.40</DIV></TD>
<TD>
<DIV>0.20</DIV></TD></TR></TBODY></TABLE></DIV>
<DIV> </DIV>
<DIV>注: <BR>1.内表面加工(镗孔、孔内切槽、内表面成形车削)时,用外圆加工的车削速度乘以系数0.9。<BR>2.用高速钢车刀加工结构钢、不锈钢铸钢,不用切削液时,车削速度乘以系数0.8。<BR>3.用YT5车刀对钢件切断及切槽使用切削液时,车削速度乘以系数1.4 <BR>4.成形车削深轮廓及复杂轮廓工件时,切削速度乘以系数0.85。<BR>5.用高速钢车刀加工热处理地钢件时,车削速度应减少;正火,乘以系数0.95;退火,乘以系数0.9;调质,乘以系数0.8。</DIV>
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