芯轴类零件数控车床加工编程
加工图所示的零件，毛坯直径为φ45mm，长为370mm，材料为Q235；未注倒角1×45°，其余R<SUB>a</SUB>12.5。<DIV align=center><IMG alt=1 src="http://www.chmcw.com/upload/news/article/83/13220_qelyzl200765114023728.jpg" border=0><STRONG><FONT size=2></DIV>
<DIV align=center>图</FONT><FONT size=2> </FONT><FONT size=2>心轴零件</FONT></STRONG></DIV>
<DIV>解：采用华中数控系统编程。该零件的加工工艺及其程序见表1、表2。</DIV>
<DIV align=center><B>表1 加工外圆及螺纹的程序 </B></DIV>
<P>
<TABLE id=table10 cellSpacing=0 cellPadding=0 border=1>
<TBODY>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>程序</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>说明</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>％7091</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>程序名</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N10 G92 X100 Z10</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>设置工件坐标系</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N20 M03 S500</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>主轴正转，转速500r/min</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N30 M06 T0101</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>换刀补号为01的01号刀（外圆粗加工偏刀）</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N40 G00 Z5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>快速定位到距端面5mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N50 X47 Z2</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>快速定位到φ47mm外圆处，距端面2mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N60 G80 X42.5 Z-364 F300</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>粗车φ42mm外圆，径向余量0.5mm，轴向余量0.3mm</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N70 G80 X38 Z-134.2 F300</FONT></DIV></TD>
<TD vAlign=top width=350 rowSpan=2>
<DIV><FONT size=2>粗加工φ35mm外圆，径向余量0.5mm，轴向余量0.3mm</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N80 G80 X35.5 Z-134.2 F300</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N90 G80 X30 Z-47.2 F300</FONT></DIV></TD>
<TD vAlign=top width=350 rowSpan=2>
<DIV><FONT size=2>粗加工φ28mm外圆，径向余量0.5mm，轴向余量0.3mm</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N100 G80 X28.5 Z47.2 F300</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N110 G00 X100</FONT></DIV></TD>
<TD vAlign=top width=350 rowSpan=2>
<DIV><FONT size=2>X方向快速定位到φ100mm处，Z方向快速定位到距端面10mm处，使刀尖回到程序原点，作为换刀位置</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N120 Z10</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N125 T0100</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>清除刀偏</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N130 M06 T0303</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>换精车刀</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N140 S800</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>调高主轴转速</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N150 G00 Z1</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>快速定位到距端面1mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N160 X24</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>再快速定位到φ24mm外圆处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N170 G01 X28 Z-1 F100</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>倒角1×45°</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N180 Z-47.5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>精车φ28mm外圆</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N190 X32.85</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>精车轴肩</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N200 X34.85 Z-48.5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>倒角1×45°</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N210 Z-70.5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>精车φ34.85mm螺纹外圆</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N220 X35</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>定位到φ35mm外圆处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N230 Z-134.5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>精车φ35mm外圆</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N240 X42</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>定位到φ42mm外圆处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N230 Z-360.5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>精车φ42mm外圆</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N240 G00 X100</FONT></DIV></TD>
<TD vAlign=top width=350 rowSpan=2>
<DIV><FONT size=2>X方向快速定位到φ100mm处，Z方向快速定位到距端面10mm处，使刀尖回到程度原点，作为换刀位置</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N250 Z10</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N255 T0300</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>清除刀偏</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N260 M06 T0202</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>换宽2mm的切槽刀</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N270 S300</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>将主轴调速为300r/min</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N280 G00 X45 Z-134.5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>定位到φ45mm外圆处，距端面134.5mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N290 G01 X34 F50</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>切2×0.5的槽</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N300 X36</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>提刀至φ36mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N310 G00 Z-70.5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>快速定位到距端面70.5mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N320 G01 X33</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>切至φ33mm外圆处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N330 X36</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>提刀至φ36mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N340 Z-69. 5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>向Z轴方向移动1mm（槽宽3mm）</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N350 X33</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>切至φ33mm外圆处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N360 X36</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>提刀至φ36mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N370 G00 X100</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2> </FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N380 Z10</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2> </FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N385 T0200</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>清除刀偏</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N390 M06 T0404</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>换60°的螺纹刀</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N400 S400</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>将主轴调速为400r/min</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N410 G00 X37 Z-45</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>定位到φ37mm外圆处，距端面45mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N420 G76 R4 A60 X33.65 Z-72 I0 K0.8 F1.5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>加工M35×1.5的螺纹</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N430 G00 X100</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2> </FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N440 Z10</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2> </FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N445 T0400</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>清除刀偏</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N450 M06 T0202</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>换宽2mm的切槽刀</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N460 S300</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>将主轴调速为300r/min</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N470 G00 Z-363.5</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>定位到距端面363.5mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N480 X45</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>定位到φ45mm外圆处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N490 G01 X5 F50</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>切到φ5mm处</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N500 G00 X100</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2> </FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N510 Z10</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2> </FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N515 T0200</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>清除刀偏</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N518 M05</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>主轴停</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=307>
<DIV><FONT size=2>N520 M02</FONT></DIV></TD>
<TD vAlign=top width=350>
<DIV><FONT size=2>程序结束</FONT></DIV></TD></TR></TBODY></TABLE></P>
<DIV align=center><STRONG>表2 精加工φ20mm内孔的程序</STRONG></DIV>
<P>
<TABLE id=table11 cellSpacing=0 cellPadding=0 border=1>
<TBODY>
<TR>
<TD vAlign=top width=347>
<DIV><FONT size=2>％7092</FONT></DIV></TD>
<TD vAlign=top width=347>
<DIV><FONT size=2>程序名</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=347>
<DIV><FONT size=2>N10 G92 X100 Z50</FONT></DIV></TD>
<TD vAlign=top width=347>
<DIV><FONT size=2>设置工件坐标系</FONT></DIV></TD></TR>
<TR>
<TD vAlign=top width=347>
<DIV><FONT size=2>N20 M03 S600</FONT></DIV></TD>
<TD 70%?> </TD></TR></TBODY></TABLE></P>
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