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10.5pt;">3.3</span><span style="line-height: 11pt; text-indent: 0pt; font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">垂直和水平方向分别加入振动源</span></p> <p class="NewStyle20" style="margin-left: 0pt; text-indent: 0pt; page-break-after: avoid; line-height: 11pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">对垂直方向和水平方向分别加入不同的简谐振动进行分析总结如下：</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle19" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(1)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">比较图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.16</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">中的</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">),</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">可以看出，这俩幅图相对于图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.2</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">对爬行的控制都有了 改善，大部分时候是频率越大对改善爬行效果越差，因为在垂直和水平方向都加入振动 后系统不稳定；</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle19" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">⑵图3.17、图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.18</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.19</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">都是分别加入不同的垂直振动和水平振动，而图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.17 </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.19(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">根本就没有改善爬行现象，说明在选取垂直方向的正弦值和水平方向的正弦 值的时候，要考虑到双方之间存在的比例关系，只有找到合适的配置比才能减少爬行；</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle19" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(3) </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.18</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">的</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">相比较能说明若在垂直方向加入的频率小于在水平方向加入的 频率对爬行的改善效果要好于在垂直方向加入的频率大于水平方向加入频率的情况，因 为在垂直方向加入的频率过大会导致后期速度稳定时出现速度在一定范围内波动而非恒 定速度；</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle19" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(4) </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">比较图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.18</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.19,</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.19(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">是在垂直方向加入的频率大于在水平方向加入的 频率，图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.19(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">是在垂直方向加入的频率小于在水平方向加入的频率，看起来似乎与图 </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.18</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">的</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">比较得出的结论相反。事实上,结论是一致的，图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.19(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">确实是比图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.19(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">) </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">速度波动大，且持续时间长，但是在后期速度趋于稳定时将恒定在</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">8</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">mm</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">/</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">s</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">，</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">而图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.19(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">) </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">虽然在较短的时间就达到了稳定速度，但是后期速度稳定后将持续波动，影响将一直持 续，总体来说，后者危害更大一■点。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle19" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(5) </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.16(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)、</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.17(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">与图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.18(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">比较、图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.16(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">与图</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.17(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">比较都能看出，在垂 直振动源大小不变的情况下，一定周期内，加入的水平振动源的频率越大越能改善爬行。</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p> <p class="NewStyle19" style="margin-left: 0pt; text-indent: 18pt; line-height: 21.85pt;"><!--[if !supportLists]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">(6) </span><!--[endif]--><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"> </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">图 </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.16(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)、</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">图 </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.17(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和图 </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.18(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">);</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">图 </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.16(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和图 </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.17(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">);</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">图 </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.18(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">a</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">和图 </span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">3.19(</span><span class="16" style="font-family: Georgia; letter-spacing: 0pt; font-size: 10.5pt;">b</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">)</span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;">中每一组比较可以说明，在水平振动源大小不变的情况下，加入的垂直振动源的频率越 大，对改善爬行帮助越小。</span></p> <p class="NewStyle19" style="margin-left: 0pt; text-indent: 0pt; line-height: 21.85pt;"> </p> <p class="NewStyle19" style="margin-left: 0pt; text-indent: 0pt; line-height: 21.85pt;"><span style="font-size:9.0pt;font-family:宋体;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";mso-bidi-font-family: "Times New Roman";mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language: ZH-CN;mso-bidi-language:AR-SA">本文采摘自“振动对数控机床进给系统爬行的影响”，因为编辑困难导致有些函数、表格、图片、内容无法显示，有需要者可以在网络中查找相关文章！本文由伯特利数控整理发表文章均来自网络仅供学习参考，转载请注明！</span></p> <p class="NewStyle19" style="margin-left: 0pt; text-indent: 0pt; line-height: 21.85pt;"><span style="font-family: 宋体; letter-spacing: 0pt; font-size: 11pt;"><o:p></o:p></span></p></div> <div class="blank30"></div> <!-- tag --> <div class="blank10"></div> 标签： <a 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