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论文以某一型号的数控加工中心的伺服进给系统为研宄对象，探讨了空心滚珠丝杠的数学模型、边界条件、仿真分析… <a href="/bethel/news/show_1022.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>16</span> <p>2015-09</p> </div> <h4><a title="滚珠丝杠强度、刚度的校核" href="/bethel/news/show_1021.html" target="_blank" ><font style="color:#000000;">滚珠丝杠强度、刚度的校核</font></a></h4> <p>4.4滚珠丝杠强度、刚度的校核 …… <a href="/bethel/news/show_1021.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>16</span> <p>2015-09</p> </div> <h4><a title="伺服进给系统的稳定性分析" href="/bethel/news/show_1020.html" target="_blank" ><font style="color:#000000;">伺服进给系统的稳定性分析</font></a></h4> <p>4.2伺服进给系统的稳定性分析 …… <a href="/bethel/news/show_1020.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>16</span> <p>2015-09</p> </div> <h4><a title="伺服进给系统的数学建模" href="/bethel/news/show_1019.html" target="_blank" ><font style="color:#000000;">伺服进给系统的数学建模</font></a></h4> <p>4.1伺服进给系统的数学建模 空心滚珠丝杠对数控机床伺服进给系统的精确性的影响主要是热误差方面，这在前两章已经做了充分的研宄。对于一… <a href="/bethel/news/show_1019.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="高速实心/空心滚珠丝杠热动态性能分析与研究" href="/bethel/news/show_1018.html" target="_blank" ><font style="color:#000000;">高速实心/空心滚珠丝杠热动态性能分析与研究</font></a></h4> <p>3.8本章小结 本章从仿真分析的角度对高速机床伺服传动系统的热位移做了深入的研宄。在仿真分析时，通过空心滚珠丝杠与实心滚珠丝杠冷却液… <a href="/bethel/news/show_1018.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="空心滚珠丝杠副在不同开口大小的仿真分析" href="/bethel/news/show_1017.html" target="_blank" ><font style="color:#000000;">空心滚珠丝杠副在不同开口大小的仿真分析</font></a></h4> <p>3.6空心滚珠丝杠副在不同开口大小的仿真分析 对于空心滚珠丝杠副的开口大小不仅影响到滚珠丝杠的温度场分布与滚珠丝杠副的强度，而且与丝… <a href="/bethel/news/show_1017.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="空心滚珠丝杠副在不同冷却介质下的仿真分析" href="/bethel/news/show_1016.html" target="_blank" ><font style="color:#000000;">空心滚珠丝杠副在不同冷却介质下的仿真分析</font></a></h4> <p>3.5空心滚珠丝杠副在不同冷却介质下的仿真分析 不同的冷却介质对滚珠丝杠的散热过程有重要的影响，而冷却介质的参数中比热、导热系数对滚… <a href="/bethel/news/show_1016.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="空心滚珠丝杠副在不同冷却液流速下冷却液中心线温度分布及热变形比较" href="/bethel/news/show_1015.html" target="_blank" ><font style="color:#000000;">空心滚珠丝杠副在不同冷却液流速下冷却液中心线温度分布及热变形比较</font></a></h4> <p>3.4空心滚珠丝杠副在不同冷却液流速下冷却液中心线温度分布及热变形比较 为研究空心滚珠丝杠的温度分布及热变形规律，下面仿真了在不同… <a href="/bethel/news/show_1015.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="空心滚珠丝杠在不同转速下温度分布及热变形仿真" href="/bethel/news/show_1014.html" target="_blank" ><font style="color:#000000;">空心滚珠丝杠在不同转速下温度分布及热变形仿真</font></a></h4> <p>3.3空心滚珠丝杠在不同转速下温度分布及热变形仿真 为了与实心滚珠丝杠对比，论文在做了实心滚珠丝杠在不同的进给速度下的仿真之后，接… <a href="/bethel/news/show_1014.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="实心滚珠丝杠在不同转速下温度分布及热变形仿真" href="/bethel/news/show_1013.html" target="_blank" ><font style="color:#000000;">实心滚珠丝杠在不同转速下温度分布及热变形仿真</font></a></h4> <p>3.2实心滚珠丝杠在不同转速下温度分布及热变形仿真 首先，本文仿真了实心滚珠丝杠在不同的转速下的温度分布及热位移，从而找到滚珠丝杠… <a href="/bethel/news/show_1013.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="滚珠丝杠的仿真边界条件的研究" href="/bethel/news/show_1012.html" target="_blank" ><font style="color:#000000;">滚珠丝杠的仿真边界条件的研究</font></a></h4> <p> 3.1.2仿真边界条件的研究 在仿真中温度分布求解是热边界条件的设置是关键的，除了环境温度和冷却液的初始温度外滚珠丝杠模型在仿真时… <a href="/bethel/news/show_1012.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="滚珠丝杠的仿真建模" href="/bethel/news/show_1011.html" target="_blank" ><font style="color:#000000;">滚珠丝杠的仿真建模</font></a></h4> <p>第三章高速实心/空心滚珠丝杠热动态性能分析与研究 3.1仿真建模及仿真的边界条件 3.1.1滚珠丝杠的仿真建模 从某种意义上讲，模型… <a href="/bethel/news/show_1011.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="空心滚珠丝杠的热特性理论研宄-小结" href="/bethel/news/show_1010.html" target="_blank" ><font style="color:#000000;">空心滚珠丝杠的热特性理论研宄-小结</font></a></h4> <p>2.3本章小结 本章从理论分析的角度对高速机床伺服传动系统的温度场及热位移做了深入的研究。在理论推导中，得出以下重要结论： 1、 螺… <a href="/bethel/news/show_1010.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="空心滚珠丝杠进给系统的理论计算" href="/bethel/news/show_1009.html" target="_blank" ><font style="color:#000000;">空心滚珠丝杠进给系统的理论计算</font></a></h4> <p>2.2空心滚珠丝杠进给系统的理论计算 2.2.1系统热平衡分析 散热的途径除了本文重点考虑的螺母空心冷却、中空丝杠冷却、空气对流散热… <a href="/bethel/news/show_1009.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>15</span> <p>2015-09</p> </div> <h4><a title="滚珠丝杠副的传热理论" href="/bethel/news/show_1008.html" target="_blank" ><font style="color:#000000;">滚珠丝杠副的传热理论</font></a></h4> <p>第二章空心滚珠丝杠的热特性理论研宄 2.1滚珠丝杠副的传热理论 2.1.1热传导理论 当物体内部温度不均匀而出现温度梯度时，热量的移… <a href="/bethel/news/show_1008.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>14</span> <p>2015-09</p> </div> <h4><a title="空心滚珠丝杠在数控机床伺服进给系统中的应用研究的内容及意义" href="/bethel/news/show_1007.html" target="_blank" ><font style="color:#000000;">空心滚珠丝杠在数控机床伺服进给系统中的应用研究的内容及意义</font></a></h4> <p>1.3课题内容及意义 理论上如果每一单位长度的滚珠丝杠传热状态可知，可以准确地计算出滚珠丝杠的温度分布与热变形。一般可以认为，滚珠丝… <a href="/bethel/news/show_1007.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>14</span> <p>2015-09</p> </div> <h4><a title="国内滚珠丝杠热特性的研宄现状" href="/bethel/news/show_1006.html" target="_blank" ><font style="color:#000000;">国内滚珠丝杠热特性的研宄现状</font></a></h4> <p>1.2.2国内滚珠丝杠热特性的研宄现状 在国内，浙江大学对机床热误差补偿特别是热变形研宄得比较早，取得了重要的成果为温度传感器测点在… <a href="/bethel/news/show_1006.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>14</span> <p>2015-09</p> </div> <h4><a title="国外滚珠丝杠热特性的研宄现状" href="/bethel/news/show_1005.html" target="_blank" ><font style="color:#000000;">国外滚珠丝杠热特性的研宄现状</font></a></h4> <p> 1.2滚珠丝杠副伺服进给系统国内外热特性研究现状 1.2.1国外滚珠丝杠热特性的研宄现状 数控机床在切削加工的过程当中，大量的热… <a href="/bethel/news/show_1005.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>14</span> <p>2015-09</p> </div> <h4><a title="空心滚珠丝杠在数控机床伺服进给系统中的应用研究-背景" href="/bethel/news/show_1004.html" target="_blank" ><font style="color:#000000;">空心滚珠丝杠在数控机床伺服进给系统中的应用研究-背景</font></a></h4> <p>第一章绪论 1.1课题背景 目前世界上主要的制造业强国对先进制造技术的投入不断地加强，高速加工、精密制造等先进技术的应用日益增多，柔… <a href="/bethel/news/show_1004.html" target="_blank">[了解更多]</a></p> </div> <div class="news-list list-border"> <div class="list-date"> <span>13</span> <p>2015-09</p> </div> <h4><a title="振动对数控机床进给系统爬行的影响-结论与展望" href="/bethel/news/show_1003.html" target="_blank" ><font style="color:#000000;">振动对数控机床进给系统爬行的影响-结论与展望</font></a></h4> <p>结论与展望 数控机床在低速或重载的情况下容易出现爬行现象。爬行出现会影响机床的定位精度和表面粗糙度等，严重时还可能造成机床停机，给机… <a href="/bethel/news/show_1003.html" target="_blank">[了解更多]</a></p> </div> <!-- 内容列表结束 --> <div class="blank30"></div> <!-- 内容列表分页开始 --> <div class="blank30"></div> <nav> <ul class="pagination"> <li><a href="/bethel/NC/89.html"><span aria-hidden="true">«</span></a></li> <li><a href="/bethel/NC/81.html">81</a></li> <li><a href="/bethel/NC/82.html">82</a></li> <li><a href="/bethel/NC/83.html">83</a></li> <li><a href="/bethel/NC/84.html">84</a></li> <li><a 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