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<dt>摇臂钻床电气拖动特点及控?/dt> <dd>更新时间?021-07-13</dd> <dd>因为摇臂钻床的运动部件较多,为简化传动设备,使用多电动机拖动,主电动机承担主钻削及进给使命,摇臂升降、夹紧放松和冷却泵各用一台电动机拖动。为了习惯多种形式的加工要求,摇臂钻床主轴的旋转及进给运动有较大的调速规模,一般情况下多由机械变速组织完成。主轴变速组织与进给变速组织均装在主轴箱内。摇臂钻床的主运动和进给运动均为主轴的运动,为此这两项运动有一台主轴电动机拖动,分别经主轴传动组织,进给传</dd> </dl> </a> </li> <li class="ac"><a href="/news/757.html" title="数控雕铣机主轴发烫的原因是什么?"> <div> <img src="/Images/nopic.gif" alt="数控雕铣机主轴发烫的原因是什么?"/></div> <dl> <dt>数控雕铣机主轴发烫的原因是什么?</dt> <dd>更新时间?021-07-01</dd> <dd>数控机床主轴产生温度变化的内部原因:数控雕铣机的电主轴因每个厂家设计不同内部结构会有所区别,但基本原理都是前后各一组轴承支?只是轴承因大小会有所不同,材料也可能不相同。但由轴承来支撑主轴与轴承本身减少相互的摩擦力原理是一致的。主轴旋转时,即使是轴承的摩擦力很小,但是细微的摩擦力在高速运转时还是会使温度上升。并且温度随着转速的升高而增?以及工作时间的延长而增加。此时轴承所产生的热量也?/dd> </dl> </a> </li> <li class="ac"><a href="/news/756.html" title="组合机床在制造使用方面有哪些不同之处"> <div> <img src="/Images/nopic.gif" alt="组合机床在制造使用方面有哪些不同之处"/></div> <dl> <dt>组合机床在制造使用方面有哪些不同之处</dt> <dd>更新时间?021-06-28</dd> <dd>组合机床在制造加工和设计方面,与其他类型的机床设备还是会有着截然不同的地方。因此,这在用途上会更加广泛一点,尤其是在制造使用方面有着很多的不同之处?.组合机床在制造方面呈现出组装的模式,大量使用一些通用的零部件来进行制造而成的,因此这在设计制造的周期上是很短的。那么,这是可以快速的投入使用,看出来这在运行方面的效率和稳定性上也是很不错的,这也是在设计过程中有着截然不同的工艺流程?nb</dd> </dl> </a> </li> <li class="ac"><a href="/news/752.html" title="龙门加工中心主传动系统和滑枕结构优化设计"> <div> <img src="/upload/image/20210416/16185541825155683.jpg" alt="龙门加工中心主传动系统和滑枕结构优化设计"/></div> <dl> <dt>龙门加工中心主传动系统和滑枕结构优化设计</dt> <dd>更新时间?021-04-16</dd> <dd>机床设备作为现代装备制造业的工作母机,已经成为涉及国民经济命脉、国家安全的重要装备。CNC数控龙门加工中心是航空航天、船舶、机车车辆、工程机械和纺织等行业不可缺少的主要加工设备之一,随着机床设备技术的不断发展进步,对机床结构的优化设计提出了更高的要求,即在满足机床整体性能的条件下,要逐步提高机床加工、装配的工艺性、可靠性。本文在对CNC数控龙门加工中心的主传动系统和滑枕结构分析的基础上,</dd> </dl> </a> </li> <li class="ac"><a href="/news/717.html" title="数控加工中心开机操作步骤分?> <div> <img src="/upload/image/20210311/16154285224020383.jpg" alt="数控加工中心开机操作步骤分?/></div> <dl> <dt>数控加工中心开机操作步骤分?/dt> <dd>更新时间?021-03-11</dd> <dd>1. 加工中心开机准备数控加工中心在每次开机或数控加工中心按急停复位后,首先回机床参考零?即回?,使机床对其以后的操作有一个基准位置?. 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