| 1. | Structure design and displacement analysis for a new type virtual axis machine tool 一种新型虚拟轴机床的结构设计与位置分析 |
| 2. | This paper are introduced concept , characteristics , developing survey , key technology , developing trend and applied prospects of virtual axis machine tool 摘要对虚拟轴机床的概念、特点、发展概况、关键技术、发展趋势和应用前景作了介绍。 |
| 3. | Parallel machine tools ( pmts ) , also know as virtual axis machine tools ( vamts ) , are a new kinds of machine tools which came into being since 1990 ' s 并联机床即虚拟轴机床,是二十世纪90年代中期问世的新型数控机床,是机器人技术与机床相结合的产物。 |
| 4. | In order to meet the requirement of high speed and precision in processing complicated shape and three - dimension bend surface on the virtual axis machine tool , a kind of pc control system is introduced 摘要根据虚拟轴机床加工速度快、精度高、加工形状复杂的特点,提出了一种基于pc机的控制系统实现方案。 |
| 5. | During simulation of kinematic calibration of virtual axis machine tool , indirect method is used for measuring its position and orientation ; meanwhile jacobean matrix regrouping method is used instead of arduous optimization to avoid measurement noise maginification 摘要在对虚拟轴机床进行运动学标定的仿真计算过程中,采用间接测量法对虚拟轴机床的运动进行间接测量,然后通过矩阵重构的方法来解决测量噪声的干扰问题。 |
| 6. | Simulation result shows that although all structural error of virtual axis machine tool can not be identified completely while the moving platform moves inside its working space , the moving platform kinematic accuracy is fulfilled inside the whole working space after error compensation 仿真结果表明,虽然在虚轴机床的工作空间里无法将其可能存在的结构误差全部求出来,但计算结果完全可以满足机床在工作空间里的运动精度要求。 |
| 7. | In order to obtain the solution for mapping nc code of a parallel machine tool from virtual axis space to real axis space without the construction of mathematical model , a method of using assembly constraint and dimension driven function of cad software was presented 摘要为了有助于并联机床数控系统和仿真系统的开发,克服建立数学模型实现机床数控代码虚实映射计算的缺点,文章提出了综合利用cad软件的装配约束和尺寸驱动功能来实现虚实映射的方法。 |
| 8. | Parallel machine tools ( pmts ) , which came forth in the middle of l990s , are also called virtual axis machine tools ( vamts ) . pmt is an application of spatial multi - loop parallel machanism in the field of nc machine tool , is an combination otheome of mechanism theory robotic technology and numerical control technology , the prototype of pmts is parallel robotic manipulators 并联机床( parallelmachinetool )又称为虚拟轴机床( virtualaxismachinetool ) ,是90年代中期问世的数控机床新结构,是机构学理论、机器人技术与数控技术结合的产物,其原型是并联机器人操作机。 |
| 9. | Virtual axis machine tool ( vamt ) is characterized by the simple structure , high rigidity , large load handling capacity , and non - accumulation of position error . as the supplement of series machine tool ( smt ) , vamt has become the focus of research in machine tool , and plentiful research achievements have been acquired in mechanics , kinematics , dynamics , but few in kinematic control 虚拟轴机床具有结构简单、刚度大、承载能力强、位置误差不积累等特点,在应用上与串联机床成互补关系,现已成为机床领域的研究热点,并在机构学、运动学和动力学研究上取得了大量成果,而对运动控制的研究非常少。 |