机床导轨用耐磨铸铁的牌号、力学性能与用途
<P><TABLE cellSpacing=0 cellPadding=0 width="100%" border=1>
<TBODY>
<TR>
<TD width="13%" rowSpan=3>
<DIV align=center>铸铁名称</DIV></TD>
<TD width="17%" rowSpan=3>
<DIV align=center>牌 号</DIV></TD>
<TD width="55%" colSpan=4>
<DIV align=center>力学性能</DIV></TD>
<TD width="13%" rowSpan=3>
<DIV align=center>用途举例</DIV></TD></TR>
<TR>
<TD width="13%">
<DIV align=center>抗拉强度</DIV>
<DIV align=center>σ<SUB>b</SUB>/MPa</DIV></TD>
<TD width="13%">
<DIV align=center>抗弯强度</DIV>
<DIV align=center>σ<SUB>bb</SUB>/MPa</DIV></TD>
<TD width="13%">
<DIV align=center>挠度</DIV>
<DIV align=center><EM>f </EM>/ mm</DIV></TD>
<TD width="13%" rowSpan=2>
<DIV align=center>硬度</DIV>
<DIV align=center>HBS</DIV></TD></TR>
<TR>
<TD width="41%" colSpan=3>
<DIV align=center>≥</DIV></TD></TR>
<TR>
<TD width="13%" rowSpan=3>
<DIV align=center>钒钛耐磨铸铁</DIV></TD>
<TD width="17%">
<DIV align=center>MTVTi20</DIV></TD>
<TD width="13%">
<DIV align=center>200</DIV></TD>
<TD width="13%">
<DIV align=center>400</DIV></TD>
<TD width="13%" rowSpan=3>
<DIV align=center>3.0</DIV></TD>
<TD width="13%">
<DIV align=center>160~240</DIV></TD>
<TD width="13%" rowSpan=3>
<DIV align=center>各类中小型机床的导轨铸件</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTVTi25</DIV></TD>
<TD width="13%">
<DIV align=center>250</DIV></TD>
<TD width="13%">
<DIV align=center>470</DIV></TD>
<TD width="13%">
<DIV align=center>160~240</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTVTi30</DIV></TD>
<TD width="13%">
<DIV align=center>300</DIV></TD>
<TD width="13%">
<DIV align=center>540</DIV></TD>
<TD width="13%">
<DIV align=center>170~240</DIV></TD></TR>
<TR>
<TD width="13%" rowSpan=4>
<DIV align=center>磷铜钛耐磨铸铁</DIV></TD>
<TD width="17%">
<DIV align=center>MTPCuTi15</DIV></TD>
<TD width="13%">
<DIV align=center>150</DIV></TD>
<TD width="13%">
<DIV align=center>330</DIV></TD>
<TD width="13%" rowSpan=3>
<DIV align=center>2.5</DIV></TD>
<TD width="13%">
<DIV align=center>170~229</DIV></TD>
<TD width="13%" rowSpan=4>
<DIV align=center>精密机床的床身、立柱、工作台等</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTPCuTi20</DIV></TD>
<TD width="13%">
<DIV align=center>200</DIV></TD>
<TD width="13%">
<DIV align=center>400</DIV></TD>
<TD width="13%">
<DIV align=center>187~235</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTPCuTI25</DIV></TD>
<TD width="13%">
<DIV align=center>250</DIV></TD>
<TD width="13%">
<DIV align=center>470</DIV></TD>
<TD width="13%">
<DIV align=center>187~241</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTPCuTi30</DIV></TD>
<TD width="13%">
<DIV align=center>300</DIV></TD>
<TD width="13%">
<DIV align=center>540</DIV></TD>
<TD width="13%">
<DIV align=center>2.8</DIV></TD>
<TD width="13%">
<DIV align=center>187~255</DIV></TD></TR>
<TR>
<TD width="13%" rowSpan=4>
<DIV align=center>高磷耐磨铸铁</DIV></TD>
<TD width="17%">
<DIV align=center>MTP15</DIV></TD>
<TD width="13%">
<DIV align=center>150</DIV></TD>
<TD width="13%">
<DIV align=center>330</DIV></TD>
<TD width="13%" rowSpan=3>
<DIV align=center>2.5</DIV></TD>
<TD width="13%">
<DIV align=center>170~229</DIV></TD>
<TD width="13%" rowSpan=4>
<DIV align=center>普通机床的床身、溜板、工作台</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTP20</DIV></TD>
<TD width="13%">
<DIV align=center>200</DIV></TD>
<TD width="13%">
<DIV align=center>400</DIV></TD>
<TD width="13%">
<DIV align=center>179~235</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTP25</DIV></TD>
<TD width="13%">
<DIV align=center>250</DIV></TD>
<TD width="13%">
<DIV align=center>470</DIV></TD>
<TD width="13%">
<DIV align=center>187~241</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTP30</DIV></TD>
<TD width="13%">
<DIV align=center>300</DIV></TD>
<TD width="13%">
<DIV align=center>540</DIV></TD>
<TD width="13%" rowSpan=2>
<DIV align=center>2.8</DIV></TD>
<TD width="13%">
<DIV align=center>187~255</DIV></TD></TR>
<TR>
<TD width="13%" rowSpan=3>
<DIV align=center>铬钼铜耐磨铸铁</DIV></TD>
<TD width="17%">
<DIV align=center>MTCrMoCu25</DIV></TD>
<TD width="13%">
<DIV align=center>250</DIV></TD>
<TD width="13%">
<DIV align=center>470</DIV></TD>
<TD width="13%">
<DIV align=center>185~230</DIV></TD>
<TD width="13%" rowSpan=6>
<DIV align=center>中小型精密仪器仪表机床床身等导轨铸件</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTCrMoCu30</DIV></TD>
<TD width="13%">
<DIV align=center>300</DIV></TD>
<TD width="13%">
<DIV align=center>540</DIV></TD>
<TD width="13%">
<DIV align=center>3.0</DIV></TD>
<TD width="13%">
<DIV align=center>200~250</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTCrMoCu35</DIV></TD>
<TD width="13%">
<DIV align=center>350</DIV></TD>
<TD width="13%">
<DIV align=center>610</DIV></TD>
<TD width="13%">
<DIV align=center>3.5</DIV></TD>
<TD width="13%">
<DIV align=center>220~260</DIV></TD></TR>
<TR>
<TD width="13%" rowSpan=3>
<DIV align=center>铬铜耐磨铸铁</DIV></TD>
<TD width="17%">
<DIV align=center>MTCrCu25</DIV></TD>
<TD width="13%">
<DIV align=center>250</DIV></TD>
<TD width="13%">
<DIV align=center>470</DIV></TD>
<TD width="13%" rowSpan=3>
<DIV align=center>3.0</DIV>
<DIV align=center>3.2</DIV></TD>
<TD width="13%">
<DIV align=center>185~230</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTCrCu30</DIV></TD>
<TD width="13%">
<DIV align=center>300</DIV></TD>
<TD width="13%">
<DIV align=center>540</DIV></TD>
<TD width="13%">
<DIV align=center>200~240</DIV></TD></TR>
<TR>
<TD width="17%">
<DIV align=center>MTCrCu35</DIV></TD>
<TD width="13%">
<DIV align=center>350</DIV></TD>
<TD width="13%">
<DIV align=center>610</DIV></TD>
<TD width="13%">
<DIV align=center>210~250</DIV></TD></TR></TBODY></TABLE></P>
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