sp01_check.htm

this my useful things plese help you self

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  </v:shape><![endif]--><![if !vml]><img width=72 height=24
  src="./SP01_Check1.files/image002.gif" v:shapes="_x0000_i1029"><![endif]></sub>应满足下列要求：</span><span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  mso-pagination:none'>　　两端固定　　　　　　　<i><span lang=EN-US>b</span></i>≤<span
  lang=EN-US>5.3</span><span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:
  12.0pt;font-family:"Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  mso-pagination:none'>　　一端固定一端回转　　　<i><span lang=EN-US>b</span></i>≤<span
  lang=EN-US>3.7</span><span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:
  12.0pt;font-family:"Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:21.0pt;mso-pagination:none'>两端回转　　　　　　　<i><span lang=EN-US>b</span></i>≤<span
  lang=EN-US>2.6</span><span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:
  12.0pt;font-family:"Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:21.0pt;mso-pagination:none'>当高径比<span lang=EN-US>b大于上述数值时，要按照下式进行验算</span><span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal align=center style='text-align:center;text-indent:21.0pt;
  mso-pagination:none'><sub><span lang=EN-US><!--[if gte vml 1]><v:shape id="_x0000_i1030"
   type="#_x0000_t75" style='width:87pt;height:18pt'>
   <v:imagedata src="./SP01_Check1.files/image003.wmz" o:title=""/>
  </v:shape><![endif]--><![if !vml]><img width=116 height=24
  src="./SP01_Check1.files/image004.gif" v:shapes="_x0000_i1030"><![endif]></span></sub><span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:21.0pt;mso-pagination:none'>式中　<i><span lang=EN-US>F</span></i><sub><span
  lang=EN-US>c</span></sub>——弹簧的临界载荷（<span lang=EN-US>N）；</span><span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:21.0pt;mso-pagination:none'>　　　<i><span lang=EN-US>C</span></i><sub><span
  lang=EN-US>B</span></sub>――不稳定系数，从图<span lang=EN-US>00中查取；</span><span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:21.0pt;mso-pagination:none'>　　　<i><span lang=EN-US>k</span></i>――弹簧刚度（<span
  lang=EN-US>N/mm）；</span><span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:
  12.0pt;font-family:"Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:21.0pt;mso-pagination:none'>　　　<i><span lang=EN-US>F</span></i><sub><span
  lang=EN-US>n</span></sub>――最大工作载荷（<span lang=EN-US>N）。</span><span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p align=center style='text-align:center'><span lang=EN-US><img width=452
  height=525 id="_x0000_i1027" src="IMAGE\261903.jpg" border=0></span></p>
  </td>
 </tr>
 <tr style='height:13.5pt'>
  <td width=27 valign=top style='width:20.25pt;padding:0cm 0cm 0cm 0cm;
  height:13.5pt'>
  <p class=MsoNormal><span lang=EN-US>6</span></p>
  </td>
  <td width=696 valign=top style='width:522.0pt;padding:0cm 0cm 0cm 0cm;
  height:13.5pt'>
  <p class=MsoNormal>共振验算条件如下： </p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  mso-pagination:none'><span lang=EN-US><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp; </span>对高速动转中承受循环载荷的弹簧，需进行共振验算，其验算公式为</span><span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:none'><sub><span
  lang=EN-US><!--[if gte vml 1]><v:shape id="_x0000_i1033" type="#_x0000_t75"
   style='width:129pt;height:30.75pt'>
   <v:imagedata src="./SP01_Check1.files/image005.wmz" o:title=""/>
  </v:shape><![endif]--><![if !vml]><img width=172 height=41
  src="./SP01_Check1.files/image006.gif" v:shapes="_x0000_i1033"><![endif]></span></sub><span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  mso-pagination:none'>式中：<sub><span lang=EN-US><!--[if gte vml 1]><v:shape
   id="_x0000_i1034" type="#_x0000_t75" style='width:14.25pt;height:17.25pt'>
   <v:imagedata src="./SP01_Check1.files/image007.wmz" o:title=""/>
  </v:shape><![endif]--><![if !vml]><img width=19 height=23
  src="./SP01_Check1.files/image008.gif" v:shapes="_x0000_i1034"><![endif]></span></sub>――弹簧自振频率（<span
  lang=EN-US>Hz）；</span><span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:
  12.0pt;font-family:"Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:31.5pt;mso-pagination:none'><sub><span lang=EN-US><!--[if gte vml 1]><v:shape
   id="_x0000_i1035" type="#_x0000_t75" style='width:12.75pt;height:17.25pt'>
   <v:imagedata src="./SP01_Check1.files/image009.wmz" o:title=""/>
  </v:shape><![endif]--><![if !vml]><img width=17 height=23
  src="./SP01_Check1.files/image010.gif" v:shapes="_x0000_i1035"><![endif]></span></sub>――强迫机械振动频率（<span
  lang=EN-US>Hz）；</span><span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:
  12.0pt;font-family:"Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:31.5pt;mso-pagination:none'><i><span lang=EN-US>d</span></i>――弹簧材料直径（<span
  lang=EN-US>mm）；</span><span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:
  12.0pt;font-family:"Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:31.5pt;mso-pagination:none'><i><span lang=EN-US>D</span></i>――弹簧中径（<span
  lang=EN-US>mm）；</span><span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:
  12.0pt;font-family:"Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:31.5pt;mso-pagination:none'><i><span lang=EN-US>n</span></i>――弹簧有效圈数。<span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  mso-pagination:none'><span lang=EN-US><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp; </span>对于减振弹簧，按下式验算</span><span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal align=center style='text-align:center;mso-pagination:none'><sub><span
  lang=EN-US><!--[if gte vml 1]><v:shape id="_x0000_i1036" type="#_x0000_t75"
   style='width:66.75pt;height:35.25pt'>
   <v:imagedata src="./SP01_Check1.files/image011.wmz" o:title=""/>
  </v:shape><![endif]--><![if !vml]><img width=89 height=47
  src="./SP01_Check1.files/image012.gif" v:shapes="_x0000_i1036"><![endif]></span></sub>≤<sub><span
  lang=EN-US><!--[if gte vml 1]><v:shape id="_x0000_i1037" type="#_x0000_t75"
   style='width:27.75pt;height:17.25pt'>
   <v:imagedata src="./SP01_Check1.files/image013.wmz" o:title=""/>
  </v:shape><![endif]--><![if !vml]><img width=37 height=23
  src="./SP01_Check1.files/image014.gif" v:shapes="_x0000_i1037"><![endif]></span></sub><span
  lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:12.0pt;font-family:
  "Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  mso-pagination:none'>式中：<i><span lang=EN-US>k</span></i>――弹簧刚度（<span
  lang=EN-US>N/mm）；</span><span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:
  12.0pt;font-family:"Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:31.5pt;mso-pagination:none'><i><span lang=EN-US>g</span></i>――重力加速度，<span
  lang=EN-US>g=9800mm/s<sup>2</sup>；</span><span lang=EN-US style='font-size:
  10.5pt;mso-bidi-font-size:12.0pt;font-family:"Times New Roman";mso-font-kerning:
  1.0pt'><o:p></o:p></span></p>
  <p class=MsoNormal style='text-align:justify;text-justify:inter-ideograph;
  text-indent:31.5pt;mso-pagination:none'><i><span lang=EN-US>W</span></i>――载荷（<span
  lang=EN-US>N）。</span><span lang=EN-US style='font-size:10.5pt;mso-bidi-font-size:
  12.0pt;font-family:"Times New Roman";mso-font-kerning:1.0pt'><o:p></o:p></span></p>
  <p><span lang=EN-US><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></span></p>
  <p>　</p>
  </td>
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  height:13.5pt'>
  <p class=MsoNormal><![if !supportEmptyParas]>&nbsp;<![endif]><span
  lang=EN-US><o:p></o:p></span></p>
  </td>
  <td width=696 valign=top style='width:522.0pt;padding:0cm 0cm 0cm 0cm;
  height:13.5pt'>
  <p class=MsoNormal><span lang=EN-US><a href="SP01_Main.htm">返回主页</a></span></p>
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