丝锥切削锥长度及其应用
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<TD><FONT size=2>形式</FONT>
<TD><FONT size=2>简图</FONT>
<TD><FONT size=2>切削锥牙数</FONT>
<TD><FONT size=2>切削锥角度</FONT>
<TD><FONT size=2>典型沟槽形式</FONT>
<TD><FONT size=2>主要应用</FONT>
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<TD align=middle><FONT size=2>A</FONT>
<TD><FONT size=2><IMG src="http://www.chmcw.com/upload/news/RCL/13220_wnanee200779104729.gif"></FONT>
<TD><FONT size=2>6～8牙</FONT>
<TD><FONT size=2>5°</FONT>
<TD><FONT size=2>直槽</FONT>
<TD><FONT size=2>短的通孔</FONT>
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<TD align=middle><FONT size=2>B</FONT>
<TD><FONT size=2><IMG src="http://www.chmcw.com/upload/news/RCL/13220_ybar5f200779104741.gif"></FONT>
<TD><FONT size=2>3.5～5牙</FONT>
<TD><FONT size=2>8°</FONT>
<TD><FONT size=2>头部带负刃倾角的直槽(挤压丝锥)</FONT>
<TD><FONT size=2>中到长切屑材料的通孔</FONT>
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<TD align=middle><FONT size=2>C</FONT>
<TD><FONT size=2><IMG src="http://www.chmcw.com/upload/news/RCL/13220_2fmka0200779104749.gif"></FONT>
<TD><FONT size=2>2～3牙</FONT>
<TD><FONT size=2>15°</FONT>
<TD><FONT size=2>直槽或螺旋槽</FONT>
<TD><FONT size=2>盲孔<BR>短切屑材料的通孔</FONT>
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<TD align=middle><FONT size=2>D</FONT>
<TD><FONT size=2><IMG src="http://www.chmcw.com/upload/news/RCL/13220_gkaezz200779104816.gif"></FONT>
<TD><FONT size=2>3.5～5牙</FONT>
<TD><FONT size=2>8°</FONT>
<TD><FONT size=2> </FONT>
<TD><FONT size=2>底孔与螺孔深度相差较大的盲孔<BR>通孔</FONT>
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<TD align=middle><FONT size=2>E</FONT>
<TD><FONT size=2><IMG src="http://www.chmcw.com/upload/news/RCL/13220_wlkha2200779104829.gif"></FONT>
<TD><FONT size=2>1.5～2牙</FONT>
<TD><FONT size=2>23°</FONT>
<TD><FONT size=2> </FONT>
<TD><FONT size=2>底孔与螺孔深度相差较小的盲孔</FONT></TD></TR></TBODY></TABLE>
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