To achieve compound machining by utilizing multiple spindle nc machine tool is one of the most popular international machining technology, and it belongs to advanced manufacturing technology.
利用多轴数控机床实现复合加工是目前国际上流行的加工工艺之一，属先进制造的一种。
The process of NC machining directly affects the machining quality. Several measures were presented in order to use NC machine tool efficiently and improve NC processing accuracy.
数控加工中的工艺直接影响加工质量，为高效地使用数控机床，提高数控加工质量，必须采用相应的措施。
By computer simulation of machining we can check the correctness and rationality of NC programming, and avoid the collision between machine tool and blade or fixture.
通过加工仿真，以检查数控程序的正确性、合理性，避免加工设备与叶片和夹具等的碰撞。
Introduces the theory and machine tool of NC Electrochemical Turning Machining (ECTM).
介绍数控电解车削加工原理及试验装置。
The simulation environment of Multi-axis simultaneous NC machining for blades of large hydro turbine is established through mapping of machining process for NC machine tool, cutter and clamp.
水轮机叶片多轴联动数控加工仿真环境，通过对数控机床、刀具、夹具及等加工过程映射构建。
While machining turbine blade simply by Parallel machine Tool (PMT), NC program development is often limited by workspace of PMT, and it is difficult to process at the best posture.
用并联机床加工汽轮机叶片时，往往受其工作空间的限制而不能在最佳的切削姿态下进行加工。
The main reasons for low efficiency of nc machine tool include machining technology, cutting tool precision, preparative cycle, encouragement method and talents.
企业数控机床加工效率不高的主要原因涉及加工工艺技术水平、切削刀具、准备周期长短、激励措施及人才等方面。
Refitment of nc machine tool which machined rotor profile of Roots blower, and functional allocation of nc system are set forth. Machining procedure of rotor profile and its trial run are introduced.
阐述了加工罗茨鼓风机转子型面的数控机床的改装，数控系统的功能配置，介绍了转子型面的加工程序及其调试。
The machining status of the NC machine tool is sampled and displayed in real time. So the operator can control the machine tool according to the actual condition.
该系统可将数控机床的加工状态实时采集并显示，让操作者通过计算机可以直接观看到机床的加工情况，从而根据实际情况对机床进行控制。
The relation of the step length of cutting tool with mechanical error when machining curved face in the 5 coordination NC machine, and the calculating formulas are deduced.
讨论了在五坐标数控机床上加工曲面时刀具走刀步长和切削带步长与加工误差的关系并推导了计算公式。
The nc machining simulation environment, including roughcast, tools, fixture and machine tool modeling, is constructed in computer by combining three-dimensional entity modeling and database method.
综合利用三维实体建模技术与数据库技术，在计算机仿真模型中，构建了包括毛坯、刀具、夹具及机床等部件的“真实”数控加工仿真环境。
The global and local collision detection and processing in the machining planar double-enveloping toroid worm gear drive using 5-axis NC machine tool was discussed in the dissertation.
提出了平面二包蜗杆副五轴联动数控加工中全局干涉检测和处理、局部干涉检测和处理的方法；
The global and local collision detection and processing in the machining planar double-enveloping toroid worm gear drive using 5-axis NC machine tool was discussed in the dissertation.
提出了平面二包蜗杆副五轴联动数控加工中全局干涉检测和处理、局部干涉检测和处理的方法；
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