HEATS 发表于 2010-9-12 19:04:17

铸件最小壁厚

最小壁厚(不小于)                                       单位(mm)
<TABLE cellSpacing=0 cellPadding=0 width="100%" align=center border=1>
<TBODY>
<TR>
<TD width="7%">
<DIV align=center>铸造方法</DIV></TD>
<TD width="19%">
<DIV align=center>铸件尺寸</DIV></TD>
<TD width="10%">
<DIV align=center>铸钢</DIV></TD>
<TD width="10%">
<DIV align=center>灰铸铁</DIV></TD>
<TD width="7%">
<DIV align=center>球墨铸铁</DIV></TD>
<TD width="11%">
<DIV align=center>可锻铸铁</DIV></TD>
<TD width="11%">
<DIV align=center>铝合金</DIV></TD>
<TD width="11%">
<DIV align=center>镁合金</DIV></TD>
<TD width="11%">
<DIV align=center>铜合金</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV align=center>砂型</DIV></TD>
<TD width="19%">
<DIV align=center>≈200×200</DIV>
<DIV align=center>>200×200~500×500</DIV>
<DIV align=center>500×500</DIV></TD>
<TD width="10%">
<DIV align=center>8</DIV>
<DIV align=center>10~12</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>15~20</DIV></TD>
<TD width="10%">
<DIV align=center>6</DIV>
<DIV align=center>>6~10</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>15~20</DIV></TD>
<TD width="7%">
<DIV align=center>6</DIV>
<DIV align=center>12</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>—</DIV></TD>
<TD width="11%">
<DIV align=center>5</DIV>
<DIV align=center>8</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>—</DIV></TD>
<TD width="11%">
<DIV align=center>3</DIV>
<DIV align=center>4</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>6</DIV></TD>
<TD width="11%">
<DIV align=center>—</DIV>
<DIV align=center>3</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>—</DIV></TD>
<TD width="11%">
<DIV align=center>3~5</DIV>
<DIV align=center>6~8</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>—</DIV></TD></TR>
<TR>
<TD width="7%">
<DIV align=center>金属型</DIV></TD>
<TD width="19%">
<DIV align=center>~70×70</DIV>
<DIV align=center>>70×70~150×150</DIV>
<DIV align=center>>150×150</DIV></TD>
<TD width="10%">
<DIV align=center>5</DIV>
<DIV align=center>—</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>10</DIV></TD>
<TD width="10%">
<DIV align=center>4</DIV>
<DIV align=center>5</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>6</DIV></TD>
<TD width="7%">
<DIV align=center>—</DIV>
<DIV align=center>—</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>—</DIV></TD>
<TD width="11%">
<DIV align=center>2.5~3.5</DIV>
<DIV align=center>—</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>—</DIV></TD>
<TD width="11%">
<DIV align=center>2~3</DIV>
<DIV align=center>4</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>5</DIV></TD>
<TD width="11%">
<DIV align=center>—</DIV>
<DIV align=center>2.5</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>—</DIV></TD>
<TD width="11%">
<DIV align=center>3</DIV>
<DIV align=center>4~5</DIV>
<DIV align=center>&nbsp;</DIV>
<DIV align=center>6~8</DIV></TD></TR></TBODY></TABLE>
<DIV>注:1.一般铸造条件下,各种灰铸铁的最小允许壁厚:</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HT100,HT150,δ=4~6mm</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HT200,δ=6~8mm</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HT250,δ=8~15mm</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HT300,HT350,δ=15mm</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HT400,δ≥20mm</DIV>
<P>2.当改善铸造条件时,灰铸铁最小壁厚可达3mm,可锻铸铁可小于3mm。&nbsp;</P>
               
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